First-Party vs. Third-Party Intent Data Benchmarks
A data-driven comparison of first-party and third-party B2B intent data, analyzing 2024 benchmarks on accuracy, cost, scalability, and use cases.
According to Forrester's 2024 research, B2B buyers spend only 17% of their buying time in direct contact with vendors, conducting most research anonymously. [5] This makes third-party intent data, which identifies accounts showing research surges, critical for early engagement. While first-party data from your own website offers higher accuracy, often above 90%, its scope is limited. [9] Third-party data from providers like Bombora offers scale but has lower accuracy, typically 65-85%, and requires careful validation. [9]
TL;DR
- Gartner's 2024 research shows B2B buyers spend only 17% of their time meeting with potential vendors. [5]
- First-party data from owned web properties can achieve 90-95% precision in identifying interest for known accounts. [9]
- Third-party providers like Bombora aggregate data from co-ops of over 5,000 B2B publisher websites. [13]
- Annual costs for third-party intent data platforms typically range from $25,000 for Bombora to over $60,000 for 6sense. [2]
- A Forrester study on Bombora found that using intent data can yield a 342% ROI and a 30% faster sales velocity. [5]
What is Intent Data? The Signal Layer for Pre-Funnel Activity
Intent data consists of behavioral signals indicating a company is actively researching a problem your product or service can solve, often before they make direct contact with a vendor. [1, 4] This pre-funnel activity is critical because the vast majority of the B2B buying process now happens anonymously. Research from Gartner's 2024 studies confirms this shift, finding that B2B buyers spend only 17% of their total purchase journey meeting with potential suppliers. [12, 16, 19] The remaining 83% of their time is spent on independent activities like online research, reading reviews, and holding internal discussions. [24] This self-directed portion of the journey is often called the 'dark funnel' because the research behaviors are largely invisible to sales and marketing teams. [8] According to Forrester's Buyers' Journey Survey from 2025, the consequences are significant: 68% of B2B buyers already have a preferred vendor in mind when they begin their formal purchasing process, and that front-runner wins the deal 80% of the time. [28] This makes early visibility into research spikes an essential capability for any B2B go-to-market team, as it allows them to engage prospects during the crucial independent research phase rather than waiting for an inbound inquiry. [8]
First-party intent data is collected directly from a company's own digital properties and provides the most accurate, albeit limited, view of buyer interest. [5, 7] These signals are generated by known contacts and anonymous visitors interacting with your website, CRM systems, email campaigns, and paid media. [5] Examples include tracking which accounts visit high-value pages like pricing or integrations, downloading specific white papers, registering for webinars, or showing sustained engagement with emails on a particular topic. [5] According to a 2024 Forrester Consulting study on the impact of first-party behavioral data, businesses that effectively leverage these signals can improve customer acquisition costs by up to 83% and increase conversions by 73%. [25] The primary advantage of this data is its precision and relevance; because it comes from your own audience interacting with your specific solutions, the context is clear. A 2024 report from IAB, titled State of Data 2024, found that 71% of brands are actively growing their first-party datasets, a nearly twofold increase from two years prior, underscoring its strategic importance in a privacy-first marketing landscape. [25] While its accuracy is a major strength, the main limitation of first-party data is its scope, as it can only capture the behavior of prospects who have already found and engaged with your brand. [11]
Third-party intent data provides the scale that first-party data lacks by aggregating behavioral signals from a wide array of external sources. [5, 7] This data is collected from publisher networks, online communities, and advertising exchanges, revealing account-level interest in specific topics and categories across the broader web. [9] The leading provider in this space is Bombora, whose Company Surge product, updated for Q3 2024, is built on a data cooperative of over 5,000 B2B publisher websites. [11, 13, 15] This model works by monitoring the content consumption of millions of businesses; when employees at a specific company begin researching a topic, like 'cloud security' or 'account-based marketing', more intensely than their historical baseline, Bombora flags that account as 'surging' on that topic. [17, 18] This provides visibility into the 'dark funnel' of anonymous research, identifying companies that are in-market but have not yet visited your website. [8] However, this scale comes with a trade-off in precision. While a 2024 B2B Buying Study found that intent-prioritized accounts convert to opportunities at 21.3% versus 8.4% for non-prioritized accounts, the data itself is account-level only, meaning it identifies the interested company but not the specific individual. [10, 11] This requires an additional validation and enrichment step to be truly actionable for sales teams. [15]
First-Party Data: High Accuracy, Limited Scope
First-party data is defined by its origin: it is the information your organization collects directly from your audience through your own digital properties and channels. [14, 16] This data encompasses a wide array of signals, including customer records and purchase histories stored in CRM systems like Salesforce, website and app behaviors tracked in analytics platforms, and engagement metrics from email or SMS marketing efforts. [1, 6] According to Acquia's 2024 CX Trends Report, an overwhelming 93% of marketers now believe that collecting this direct data is more critical than ever for their organizations. [16] These sources are considered the most reliable because they reflect real, tangible interactions a person has with your brand, such as form submissions, content downloads, and product usage. [5, 8] This direct collection method, free from intermediary interference, provides a clear and unfiltered view into the actions and interests of prospects and customers already within your marketing ecosystem, forming the bedrock of a modern, privacy-compliant data strategy. [13, 14]
The primary advantage of first-party data is its exceptional accuracy, which stems from the direct relationship between the data source and your brand. Because these signals are captured from individuals actively and knowingly engaging with your website, products, or content, their precision in identifying genuine interest is remarkably high. Industry analysis from a 2026 FL0 report suggests that first-party data can achieve 90-95% precision in identifying actual interest, a figure that stands in stark contrast to the 65-85% range typical for third-party sources. [19] This high fidelity makes it an invaluable asset. However, the greatest strength of first-party data is also its most significant weakness: its limited scope. [2] This data is inherently confined to the audience you already know, people who have visited your site or are in your CRM, which creates a ceiling for acquisition and prospecting efforts. [1] You only gain visibility into how users interact with your brand, leaving you blind to their research activities across the broader internet and making it difficult to reach new potential customers at scale. [2]
The high precision of first-party data makes it exceptionally well-suited for mid-to-late funnel sales and marketing activities where understanding the nuances of known accounts is critical. Its most powerful use cases involve optimizing the journey for prospects already in your ecosystem. [24] For instance, analyzing a lead's content consumption on your website or their interaction history in your CRM allows for more effective lead prioritization, ensuring sales teams focus on accounts demonstrating the strongest engagement. [8] Furthermore, this data is the engine for sophisticated personalization, enabling you to tailor nurture streams, website content, and product recommendations based on observed behaviors. [13, 16] Advanced analysis of these direct signals can also power predictive models to identify both upsell opportunities and churn risks within your existing customer base, allowing for proactive intervention. [20] According to a 2024 study by Bombora, blending first-party engagement data with third-party signals was shown to improve MQL-to-SQL conversion rates by 34%, demonstrating its power in qualifying and advancing the pipeline. [15]
Third-Party Data: Broad Coverage, Probabilistic Accuracy
Third-party intent data is primarily gathered at scale through two methods: publisher data cooperatives and programmatic bidstream data. The most well-known cooperative model is leveraged by providers like Bombora, which aggregates content consumption signals from a network of nearly 6,000 B2B publisher and brand websites. This consent-based framework tracks when employees at a company show a significant increase in research around specific business topics, creating a 'Company Surge' score. For example, a surge in research on 'endpoint detection' across this publisher network signals that an account is likely entering a research cycle. The alternative method, bidstream data, involves analyzing the data exhaust from real-time programmatic ad auctions. Providers using this method capture user behavior and keyword data from the ad impressions being bought and sold across billions of websites, offering immense scale but with less contextual clarity and more regulatory scrutiny. While a publisher co-op provides topic-level signals from a curated and disclosed network of sites, bidstream data offers a wider, less-curated view of web activity.
The accuracy of third-party data is fundamentally probabilistic, not deterministic, with typical precision benchmarks falling well below first-party sources. Industry analysis from a 2024 ABM Operations Audit, which validated signals against CRM activity, found a median precision of just 0.51 for topic-based third-party intent, though mature programs reached 0.63. Other analyses suggest a broader accuracy range of 60-75% for predicting buying behavior. This probabilistic nature stems from the core challenge of account resolution, which relies on matching an observed IP address or device ID to a specific company. This IP-to-company mapping was more reliable when employees worked from centralized offices but has become a significant weakness with the prevalence of remote work, where employees use residential ISPs and VPNs that obscure their corporate identity. A 2025 study noted that misattributed IP data was a key challenge for 29% of sales professionals using a major intent platform. This means a signal indicating high intent from 'Company X' could easily be a false positive, eroding sales team trust and leading to wasted outreach efforts.
The primary and most effective use case for third-party intent data is top-of-funnel account discovery and prioritization within an Account-Based Marketing (ABM) strategy. Given that B2B buyers complete a significant portion of their research anonymously before ever contacting a vendor, third-party data provides a crucial early warning system. It identifies accounts that are 'in-market' but not yet on a company's radar, allowing marketing and sales teams to engage them before they have formed a shortlist. According to a 2025 6sense report, 80% of B2B deals are won by the vendor the buyer favored before making first contact, highlighting the importance of this early engagement. For example, a marketing team can use a platform like Bombora or 6sense to identify a list of accounts showing a spike in research around 'supply chain logistics software'. This allows the team to prioritize these accounts for targeted advertising, personalized content, and sales development outreach long before those accounts visit the company website or fill out a form, aligning resources with accounts demonstrating active buying behavior.
| Provider | Primary Data Source | Reported Signal Type | Example Product / Feature | Known Integrations |
|---|---|---|---|---|
| Bombora | Cooperative of ~6,000 B2B publisher sites. | Company-level topic surges based on content consumption. | Company Surge® Report | 6sense, Demandbase, Cognism, Lusha. |
| 6sense | Proprietary signal network ('Signalverse') combining third-party co-op data, bidstream, and first-party signals. | Predictive buying stage scores (e.g., Awareness, Decision) based on AI analysis of account activity. | 6sense Revenue AI™ for Marketing | Salesforce, HubSpot, Outreach, Marketo. |
| ZoomInfo | Multi-source: Bidstream data, data co-ops/publisher networks, and second-party data from G2. | Account-level keyword and topic intent, including 'Streaming Intent' for real-time alerts. | ZoomInfo SalesOS with Streaming Intent | Salesforce, HubSpot, G2, Salesloft. |
| Demandbase | Multi-source: Proprietary data, third-party intent, and first-party website data. | Account journeys and intent keywords across 810,000+ topics. | Demandbase One™ Smarter GTM™ Platform | Salesforce, Marketo, LinkedIn, HubSpot. |
| G2 | Second-party data from user activity on G2.com software review marketplace. | High-intent signals from product comparisons, category page views, and review interactions. | G2 Buyer Intent Data | ZoomInfo, HubSpot, Salesforce, 6sense. |
| Cognism | Bombora's data cooperative, plus other signals like job changes and funding. | Bombora-powered topic surges combined with compliant global contact data. | Cognism Diamond Data® | Salesforce, HubSpot, Outreach |
2024 Benchmark Comparison: Accuracy, Scale, Cost, and Use Case
First-party intent data achieves precision rates of 90-95% because it is sourced directly from a company's owned digital assets, such as website interactions, email engagement, and CRM records. [7] This direct observation provides a near real-time, highly accurate view of an account's direct engagement and interest in your specific solutions. [7] In contrast, third-party intent data is aggregated from external sources, primarily publisher co-operatives and programmatic bidstream data, which tracks content consumption across thousands of external websites. [2, 8] This aggregation process, which involves mapping behavior to companies through methods like reverse IP tracking, introduces variables that reduce precision; benchmarks for third-party data accuracy typically range from 65-85%. [7] Furthermore, this process can introduce significant delays, with some third-party signals having a latency of 60 to 90 days, impacting the timeliness of outreach. [7] A 2024 analysis by Leadium confirms that a direct action, like a visit to your pricing page, is a far stronger predictor of a booked meeting than a topic surge signal purchased from a third-party co-op. [1]
Third-party data platforms provide a massive advantage in scalability, capable of covering 10 to 50 times more accounts than a company’s first-party data alone. [7] This scale is crucial for identifying net-new, in-market accounts that are actively researching solutions but have not yet visited a specific vendor's website. [2] While first-party data offers deep insight into a limited pool of known prospects, third-party data from providers like Bombora casts a wide net across the entire market, monitoring millions of companies for research spikes. [8, 20] However, this scale comes with a trade-off in signal confidence. The signals are probabilistic, indicating an account showed unusual research activity rather than a confirmed interest. [4] According to a 2024 report, 62% of intent data buyers noted that fewer than 70% of accounts flagged by third-party platforms showed any corroborating activity in their CRM within 30 days, underscoring the need for validation. [26] The most effective strategies use third-party data for early-stage prospecting and then leverage first-party signals to validate interest and time outreach for maximum impact. [21]
The investment required for third-party intent data platforms reflects their role in top-of-funnel pipeline generation. According to 2026 user-reported data, annual contracts for Bombora's Company Surge product typically start around $30,000, with mid-market packages ranging from $50,000 to $100,000. [11, 24] More comprehensive platforms like 6sense, which bundle intent data with predictive analytics and orchestration, command higher investments, with annual contracts commonly falling between $60,000 and $300,000. [5, 13] These costs are driven by the number of accounts tracked, the volume of data, and the specific modules activated. [13] In contrast, first-party data is often viewed as more cost-effective because its collection is a byproduct of existing infrastructure like website analytics and CRM systems. [6] The primary use case for this high-accuracy, low-latency data is nurturing known leads and identifying upsell opportunities within the existing customer base. Third-party data, with its significant subscription cost, is a strategic investment for discovering accounts in the early, anonymous phases of their buying journey, as highlighted in a 2025 B2B buying study where intent-prioritized accounts converted to opportunities at a much higher rate. [26]
| Attribute | First-Party Intent Data | Third-Party Intent Data | Primary Use Case |
|---|---|---|---|
| Data Source | Owned digital properties (website, CRM, email engagement). [7] | Publisher co-ops (e.g., Bombora) and bidstream data from ad exchanges. [2, 3] | Nurturing known leads vs. discovering new prospects. |
| Accuracy Benchmark | High precision (90-95%) based on direct, observed behavior. [7] | Moderate precision (65-85%) based on inferred, modeled behavior. [7] | Validating interest vs. identifying potential interest. |
| Scalability | Limited to known contacts and website visitors. [7] | Broad market coverage, potentially 10-50x more accounts. [7] | Deep insight on few vs. wide insight on many. |
| Signal Latency | Real-time or near real-time. [7] | Can have delays from days to weeks, sometimes up to 90 days. [1, 7] | Timing outreach to engaged accounts vs. early-stage awareness. |
| Annual Cost Structure | Low marginal cost; often included with existing marketing technology. | Annual subscription models; e.g., Bombora ($30k+), 6sense ($60k+). [11, 5] | Lower cost for higher-funnel vs. significant investment for top-of-funnel. |
| Example Vendors | HubSpot, Google Analytics, Salesforce | Bombora (Company Surge), 6sense, Demandbase | Platform-native analytics vs. specialized data providers. |
The ROI of Intent: From Signal to Revenue
Investing in third-party intent data delivers a substantial, quantifiable return, with a Forrester Consulting study commissioned by Bombora calculating a 342% ROI over three years. [2, 3] This Total Economic Impact™ (TEI) analysis, based on a real-world B2B financial services organization with $22 billion in annual revenue, identified $5.4 million in total benefits against $1.2 million in costs. [2] The benefits were not abstract; they translated directly to profit from an improved lead conversion rate of up to 18%, which delivered $3.3 million, and increased sales velocity that added another $1.6 million in profit over the three-year evaluation period. [2, 3] The methodology involved a deep analysis of the organization's processes before and after implementing Bombora's Company Surge® data. [4] Before, the firm struggled with manual lead management and lacked behavioral data to prioritize outreach. [3] By integrating intent signals, they automated lead scoring and triggered campaigns for high-priority accounts, enabling them to grow revenue by 15% without increasing headcount. [2, 3] This demonstrates that the ROI of intent is not merely a marketing metric but a core driver of business profitability, directly impacting sales efficiency and revenue capture.
Account-Based Marketing (ABM) campaigns achieve a dramatically higher return on investment when powered by intent data, with a Forrester report finding they deliver a 4x higher ROI compared to ABM strategies that lack these behavioral signals. [1] This performance lift is rooted in precision and timing. Intent data allows marketing and sales teams to move beyond static firmographic lists and focus their resources on a small, dynamic subset of accounts that are actively researching solutions. This is critical in a landscape where buyers conduct the majority of their research independently before ever contacting a vendor. By using tools like Bombora's Company Surge®, which identifies when target accounts show increased research activity on relevant topics, ABM programs can prioritize outreach and personalize messaging with remarkable accuracy. [2, 9] This data-driven approach ensures that expensive, high-touch sales and marketing efforts are concentrated only on accounts demonstrating a high propensity to buy, drastically reducing wasted effort and budget. The result is a more efficient and effective ABM engine that drives higher engagement, faster sales cycles, and ultimately, a superior return on investment. [6]
Blending first-party and third-party data is the key to unlocking maximum pipeline value, as it improves the Marketing Qualified Lead (MQL) to Sales Qualified Lead (SQL) conversion rate by 34% compared to using third-party data alone. This synergy arises because each data type compensates for the other's weaknesses. First-party data, gathered from your own digital properties, provides high-fidelity signals of engagement from known prospects, but its scope is limited to your existing audience. Third-party data, sourced from providers like 6sense or Demandbase, offers immense scale, revealing topic-level interest from a universe of accounts that may not know your brand exists. [9] When combined, a signal that an account is surging on a relevant topic (third-party) and has also visited your pricing page (first-party) becomes a high-priority lead that sales can pursue with confidence. This powerful combination directly impacts the timeline for seeing returns, with one analysis finding the median time from signing an intent data contract to seeing the first qualified pipeline contribution is 94 days. [15] This benchmark provides a realistic timeframe for organizations to plan for implementation, data integration, campaign activation, and the initial sales cycle needed to convert intent signals into tangible pipeline opportunities.
Hybrid Strategies: Activating a Blended Data Model
A blended data model begins by leveraging third-party intent data for broad, top-of-funnel awareness and to discover new in-market accounts for Account-Based Marketing programs. Platforms like Bombora's Company Surge® Q4 2026 report on accounts showing increased research activity across a cooperative of over 21,600 B2B topics, providing a wide-angle view of the market that first-party data alone cannot offer. This external lens is critical for identifying potential buyers early in their journey, often before they have ever visited your website or directly engaged with your brand. For instance, a surge in research on "cloud data warehousing" from a specific enterprise that fits your ideal customer profile (ICP) allows marketing teams to add that account to a targeted advertising campaign or a content nurture stream. This strategy ensures that marketing resources are focused on organizations that are actively exploring solutions, rather than targeting a static list of cold accounts. Using third-party data this way allows teams to build a dynamic and responsive pipeline, populating ABM campaigns with accounts that have demonstrated verifiable, though indirect, interest in your solution category, maximizing the efficiency of demand generation efforts from the very start.
Once third-party data identifies a universe of generally interested accounts, first-party data provides the validation needed to trigger direct sales engagement and personalized nurturing. An account showing a topic surge on a third-party network is a promising but incomplete signal; that signal becomes highly actionable when a contact from the same account visits your pricing page, downloads a technical whitepaper, or registers for a product webinar. This direct interaction is the most reliable indicator of genuine interest and elevates an account from a suspect to a qualified prospect. According to a 2025 analysis from Turtl, combining external insights with permission-based first-party signals allows teams to build tailored journeys that resonate in a welcome, not unnerving, way. For example, a marketing automation platform can use a first-party signal, like a form fill, to move an account from a broad awareness campaign into a specific, mid-funnel nurture track that addresses the exact topics the user engaged with. This layered approach prevents sales teams from wasting resources on chasing weak, unverified signals and focuses their efforts on accounts that have explicitly raised their hands.
Accounts demonstrating intent across both first- and third-party sources consistently represent the highest-quality opportunities and should be prioritized for immediate and coordinated outreach. When an account appears in a Bombora Company Surge® report for "cybersecurity compliance" and, within the same week, multiple stakeholders from that company download a related compliance checklist from your website, the combined signals indicate a strong, active buying committee. This convergence of data provides a holistic view of the buyer's journey, confirming both broad market research and specific interest in your brand. This dual confirmation is the core of an effective hybrid strategy, transforming noisy, directionally useful third-party data into a precise, actionable sales trigger. A 2026 report from ArkenTech Solutions emphasizes that this combined model prevents weak signals from creating sales noise, ensuring that outreach is reserved for context-rich opportunities. By flagging these dually-active accounts, revenue teams can confidently allocate their most valuable resources, such as strategic account executives and personalized executive outreach, knowing the probability of engagement and conversion is at its peak.
Aligning sales and marketing teams around a shared, hybrid intent data model is the foundational step toward accelerating revenue growth and improving go-to-market efficiency. According to research from SiriusDecisions, now part of Forrester, B2B organizations with tightly aligned sales and marketing functions achieve 24% faster three-year revenue growth. This alignment is nearly impossible without a common source of truth for identifying and prioritizing opportunities. When both teams operate from the same intent data, disagreements over lead quality diminish and are replaced by collaborative strategy sessions focused on how to best engage high-priority accounts. A 2024 Forrester survey highlighted a major disconnect, where 82% of C-level executives believed their sales and marketing teams were aligned, but 65% of frontline professionals reported a lack of alignment. A unified intent data platform, like 6sense Revenue AI, provides a shared dashboard and predictive model that both teams can trust, helping to bridge this perception gap and drive higher conversion rates through coordinated, data-driven actions.
Related reading
- see our 11 tactics for abm success at every funnel stage analysis
- see our 12 tips for selling to the c suite analysis
- see our 2024 b2b intent data benchmarks analysis
- see our ai in sales salesforce data productivity analysis
Frequently Asked Questions
What is the main difference between first-party and third-party intent data?
The main difference is the data's origin and the control you have over it. First-party intent data comes from your own digital properties, such as website visits or CRM interactions, making it highly accurate but limited to audiences you already know. [11] In contrast, third-party data is aggregated by external providers from a wide network of publisher sites, giving you a broader market view of accounts researching relevant topics. [8] This makes third-party data ideal for discovering new prospects, while first-party data is better for understanding engagement from known accounts. [8]
How accurate is B2B intent data from providers like Bombora?
The accuracy of third-party B2B intent data from providers like Bombora typically ranges from 65% to 85%. [3] This is because the data is aggregated from a cooperative of B2B websites and uses models to infer interest, which introduces some uncertainty. [3] Providers like Bombora increase accuracy by using natural language processing and machine learning to analyze content consumption, filtering out noise and focusing on signals that more closely correlate with purchase intent. [27] However, the probabilistic nature of this data means it should be used as a signal to prioritize accounts, not as a definitive confirmation of buying readiness. [20]
How much does third-party intent data cost in 2024?
The cost for third-party intent data in 2024 varies significantly, with entry-level plans from major providers typically starting between $25,000 and $30,000 per year. [9, 16] Enterprise-level contracts with providers like 6sense or Demandbase can range from $50,000 to over $150,000 annually, depending on the volume of data, number of topics tracked, and depth of platform integrations. [7, 13] Some platforms, like ZoomInfo, offer intent data as an add-on to their core subscription, which can cost an additional $15,000 to $40,000 per year. [9, 13]
What is Bombora Company Surge® data?
Bombora's Company Surge® data identifies which businesses are researching specific topics related to your products and services more intensely than usual. [2] It establishes a historical baseline of a company's content consumption across a cooperative of thousands of B2B websites and then flags a 'surge' when that company's research activity significantly increases. [1, 6] This spike in research activity is a strong indicator that an account is actively in-market for a solution. [6] Marketing and sales teams use these surge signals to prioritize accounts for outreach and personalize their messaging based on the topics being researched. [1]
Can you combine first-party and third-party intent data?
Yes, combining first-party and third-party intent data is a highly recommended best practice for creating a comprehensive view of buyer behavior. [11] This hybrid approach uses broad third-party data to identify new, in-market accounts that are not yet in your CRM and then uses high-accuracy first-party data to validate their interest when they engage with your website or content. [8, 15] Accounts that show strong intent signals across both data sources represent the highest quality opportunities for sales and marketing teams to pursue. [3] This blended model allows you to compensate for the limited scope of first-party data and the lower precision of third-party data. [3]
What is the ROI of using B2B intent data?
The ROI of using B2B intent data primarily comes from increased pipeline efficiency, higher conversion rates, and shorter sales cycles. [35, 37] By focusing resources on accounts that are actively researching solutions, companies can significantly improve marketing and sales performance. A Forrester Consulting study commissioned by Bombora found that a composite organization achieved a 342% ROI, alongside benefits like a 10% reduction in customer churn. [12] Aligning sales and marketing teams around shared intent data can lead to 24% faster revenue growth over three years. [12]
Last updated: September 2026