Roku yesterday announced Roku Curate, a new advertising product that packages the company's first-party platform data together with purchase behavior signals from six retail and commerce partners into ready-to-activate media buys, removing the need for advertisers to source and assemble those data layers independently.
The announcement, dated April 27, 2026, comes from Roku's headquarters in San Jose, California. According to the company, Roku Curate is designed to solve a structural tension that has persisted in connected television buying: high-quality audience data has been difficult to access at scale because much of it sits inside walled gardens, forcing buyers to choose between scale, data accuracy, and ease of use.
How the product is built
Roku Curate combines two types of signals. The first is proprietary Roku data describing how audiences engage with the platform - viewing patterns, content preferences, and interaction behaviors gathered from the platform's logged-in user base. The second is purchase behavior data contributed by external partners, drawn from actual consumer transactions both online and in physical stores.
The resulting media packages are sold as pre-built bundles. According to Roku, these can be purchased and measured through marketers' existing standard workflows, which means brands working within their current agency and technology setups do not need to build new integrations to activate them. The packages also count toward upfront commitments, an important operational detail for buyers who allocate budgets through the traditional television upfront market.
The infrastructure layer powering the product is Magnite's SpringServe technology. Roku Exchange, Roku's programmatic advertising infrastructure, serves as the underlying ad delivery framework. Magnite has described Roku as "a very fast-growing publisher" within Roku Exchange, where Magnite operates as the preferred programmatic partner. The decision to base Roku Curate on SpringServe reflects the depth of that relationship. Magnite merged its SpringServe ad server with its supply-side platform capabilities in April 2025, creating a unified stack that now powers ad transactions across 99% of US streaming supply according to Jounce Media's March 2025 Supply Path Benchmarking Report.
According to Miles Fisher, Senior Director of Strategic Advertising Partnerships at Roku: "Roku Curate allows buyers to work directly with Roku while removing the technical complexity of audience curation, and these buys count toward upfront commitments. The result is high-quality data and inventory bundled together without the need to go through unnecessary intermediaries."
The phrase "unnecessary intermediaries" is pointed. Much of the CTV advertising supply chain has historically required buyers to work through data brokers, clean room operators, and third-party audience vendors to access the kind of purchase-level targeting signals that Roku Curate is promising to deliver in a single transaction.
The six launch partners
Roku Curate launches with six data partners, each bringing a different slice of consumer purchase behavior.
Best Buy Ads contributes purchase and browsing data from its customer base of more than 200 million customers, enabling campaigns targeted at in-market electronics shoppers. The product includes closed-loop measurement, meaning advertisers can track actual purchase outcomes - both in-store and online - rather than stopping at impressions or clicks. According to Lisa Valentino, President of Best Buy Ads: "By combining Roku's scale with Best Buy's first-party data and holistic measurement capabilities, we're driving awareness and consideration with clear visibility into downstream impact."
Criteo brings omnichannel shopping and browsing data, described as commerce-focused audiences built from signals across multiple retail environments. Criteo has a prior relationship with Roku: the company participated in a commerce-driven CTV activation with WPP Media in July 2025, piloting curated Deal IDs across Roku inventory alongside Samsung and Scripps. Roku Curate represents a deeper and more formalized version of that data relationship.
Fandango contributes ticketing and entertainment discovery signals, covering moviegoers who have actively searched for and purchased tickets. Closed-loop measurement for this partner tracks campaigns from impression through to actual ticket purchase, making it one of the more precisely attributable data sets in the package.
Fetch is described as providing deterministic, retail-agnostic purchase data derived from $212 billion in annual consumer spending online and in-store. That figure is based on observed Q4 2025 annualized transaction data from receipts directly uploaded by Fetch users, according to the press release. The term "retail-agnostic" is meaningful here: unlike retailer-specific data from a Best Buy or a Kroger, Fetch's signals span purchases across many different stores and categories, potentially offering broader audience coverage.
Instacart provides purchase-based audience segments drawn from consumers shopping across more than 2,200 retail banners on its platform. According to Tim Castelli, Vice President of Global Advertising Sales at Instacart: "Instacart sees what consumers buy at the moment decisions are made, giving brands a uniquely powerful signal for driving measurable outcomes on CTV. Through Roku Curate, we're making it easier than ever to reach these consumers across premium streaming inventory and tie every campaign directly to sales impact."
Kroger Precision Marketing completes the six-partner lineup with data from verified Kroger households, with closed-loop measurement covering both in-store and online transactions. Kroger's precision marketing unit has been an active player in the retail media and data licensing space for several years, making it a familiar name for brands that already buy audience data from grocery and general merchandise retailers.
All six partners offer what Roku describes as closed-loop measurement - the ability to connect an ad impression on a streaming screen to a downstream purchase event. The availability of that link across all six data sets is one of the more significant technical commitments in the product.
The walled garden problem in CTV
The competitive context matters. Roku Curate is explicitly framed as a response to walled gardens in CTV advertising. The argument is that high-quality audience data, particularly at the level of deterministic purchase behavior, has typically required advertisers to operate within a specific platform's ecosystem to access it. Getting Instacart data onto Roku inventory, or Fetch's receipt-based signals into a CTV targeting workflow, would previously have required multiple data agreements, clean room negotiations, or third-party vendor relationships.
Roku is positioning Curate as a way to short-circuit that complexity by doing the data assembly work at the platform level and delivering it as a pre-packaged buy. The claim that packages can be activated through "standard workflows" - without additional integrations or fees - is the crux of the value proposition.
This approach has a parallel in programmatic curation more broadly, where supply-side platforms and publishers have increasingly moved to offer pre-assembled inventory and data packages through curated Deal IDs, rather than leaving all audience assembly to the buy side. Magnite's ClearLine platform, which evolved significantly in October 2025, follows a similar logic: buyers define deal terms and activate audiences within a single interface, with the curation happening closer to the impression to reduce signal loss.
Roku's approach differs in that it is sold directly by Roku rather than through an SSP curation layer, and it is exclusive to Roku's own inventory. Buyers are getting Roku's data and partner data, on Roku, in one transaction. That directness is both its appeal and its constraint.
Scale context
The product lands at a moment when Roku's platform reach has grown substantially. Roku surpassed 100 million streaming households worldwide in April 2026, a milestone announced on April 16, just eleven days before the Roku Curate launch. According to Hypothesis Group data from December 2025, Roku is the number one TV streaming platform in the United States, Canada, and Mexico by hours streamed. Nielsen data from October 2025 showed that streaming on Roku devices alone accounted for more than 21% of all television viewing in the United States.
That audience scale underpins the commercial logic of Roku Curate. Purchase data partners are more likely to offer their signals to a platform with 100 million households than to one with a fraction of that reach. And advertisers are more willing to consolidate their CTV buying with a single publisher when that publisher represents a meaningful share of total television viewing time.
Roku's Q4 2025 results showed platform revenue of $1.224 billion in that quarter alone, with advertising forming a substantial portion of that figure. The company's advertising gross margin reached 58% in FY2025 on a $2.3 billion advertising revenue base, reflecting significant pricing power in the ad delivery market. That financial foundation provides investment capacity for initiatives like Roku Curate, which requires maintaining data agreements with multiple external partners simultaneously.
Outcome-based measurement architecture
The closed-loop measurement offered across all six Roku Curate partners reflects a broader shift in how Roku has approached campaign accountability. In January 2026, Roku became the first major streaming publisher to use iSpot's Outcomes at Scale product for outcome-based campaign optimization. Early testing with SimpliSafe demonstrated a 23% increase in leads and a 31% increase in website visits compared to a control group. That infrastructure - optimizing campaigns against actual business outcomes rather than impressions - creates the technical foundation for the kind of closed-loop attribution Roku Curate promises.
Roku's partnership with iSpot, which began in 2024, was originally structured around measurement capabilities including reach, frequency, and ad exposure verification. The integration of iSpot's Advertising Watermark technology added inventory authenticity verification. Roku Curate sits downstream of that measurement infrastructure, using the outcome-based optimization layer to improve campaign delivery toward the purchase signals provided by each data partner.
The measurement capability is also commercially significant for a specific operational reason. Brands that buy Roku Curate packages can demonstrate to internal stakeholders that CTV spend drove actual sales, not just reach or awareness. That kind of downstream accountability has become increasingly important as brands face pressure to justify media investments with direct business outcomes.
What it means for CTV buying
For media buyers managing CTV campaigns, Roku Curate introduces a specific trade-off. The product reduces complexity and lowers the data-sourcing burden, but it concentrates buying on a single publisher. Buyers who want Instacart's purchase signals or Fetch's receipt-based data across multiple CTV platforms will still need separate arrangements. Roku Curate only operates on Roku inventory.
An industry analysis from November 2025 on PPC Land flagged inventory curation as a core challenge in CTV buying, noting that advertisers who target the open market typically end up serving ads on FAST channels with large supply volumes rather than premium streaming inventory. Roku Curate sidesteps that problem by definition: the inventory is Roku's own, and the packages are curated rather than open-market.
The implication for retail and consumer goods brands is fairly direct. A packaged goods brand wanting to reach verified grocery shoppers - specifically Kroger households - on a premium streaming screen now has a route to do that in a single negotiation with Roku. That specificity was not available through standard programmatic CTV buying.
Timeline
- May 2024: Roku and iSpot announce strategic measurement partnership designating iSpot as preferred third-party measurement partner
- June 2024: Roku launches Roku Exchange programmatic advertising platform with Magnite as preferred programmatic partner
- January 6, 2025: Roku launches Roku Data Cloud, providing access to proprietary TV viewing data through clean room technology
- April 23, 2025: Magnite merges SpringServe ad server with SSP capabilities into unified platform; Roku listed among initial clients
- June 16, 2025: Amazon Ads and Roku announce largest authenticated CTV partnership, covering 80 million US CTV households through Amazon DSP
- July 30, 2025: Criteo and WPP Media launch commerce-driven CTV activation piloted on Roku, Samsung, and Scripps inventory
- September 3, 2025: Roku streaming surpasses broadcast TV viewership for third consecutive month, capturing 21.4% of total television viewing time
- November 18, 2025: Magnite launches Live Scheduler for standardized live event advertising; Roku among first platforms to adopt
- December 22, 2025: Nielsen and Roku expand strategic partnership, incorporating Roku viewing data into Nielsen's Big Data + Panel measurement
- January 6, 2026: Roku becomes first streaming publisher to use iSpot Outcomes at Scale for outcome-based campaign optimization; SimpliSafe test shows 23% lead increase
- February 12, 2026: Roku reports Q4 2025 platform revenue of $1.224 billion, with advertising gross margin at 58%
- March 24, 2026: Roku named first publisher in Google's Confidential Publisher Match, enabling encrypted identity matching for Display and Video 360 advertisers
- April 16, 2026: Roku surpasses 100 million streaming households worldwide
- April 27, 2026: Roku announces Roku Curate with six launch partners: Best Buy Ads, Criteo, Fandango, Fetch, Instacart, and Kroger Precision Marketing
Summary
Who: Roku, Inc. (NASDAQ: ROKU), headquartered in San Jose, California, with six data partners: Best Buy Ads, Criteo, Fandango, Fetch, Instacart, and Kroger Precision Marketing. The product is powered in part by Magnite's SpringServe technology.
What: Roku Curate is a new advertising product that bundles Roku's first-party platform engagement data with purchase behavior signals from retail and commerce partners into pre-packaged, ready-to-activate CTV media buys. The packages include closed-loop measurement across all six partner data sets and count toward advertisers' upfront commitments.
When: Announced on April 27, 2026. The Fetch data figure is based on observed Q4 2025 annualized transaction data.
Where: The product is available on Roku's streaming platform in the United States, which has surpassed 100 million streaming households globally as of April 2026 and accounts for more than 21% of all US television viewing according to Nielsen data from October 2025.
Why: Roku designed Curate to address the difficulty of accessing high-quality, purchase-level audience data in CTV advertising, where the most valuable data sets have historically been fragmented across walled gardens and required separate agreements, clean room negotiations, and additional fees to activate. By packaging partner data with its own inventory, Roku aims to reduce intermediary complexity and give advertisers measurable purchase outcomes from CTV campaigns.