Bluefin Labs
AcquiredCambridge, US · Founded 2008 · 12 known investors
Cambridge, MA social TV analytics company linking social media commentary to TV shows and ads; acquired by Twitter in 2013.
Also known as Bluefin · Bluefin Labs, Inc.
Founders & leadership
Bluefin Labs was founded in 2008 by Michael Fleischman and Deb Roy, Ph.D..
Board
Investors · 12
Also in the syndicate · 7
Reported raises · per SEC filings
Form D private placements$12.2M disclosed across 1 of 3 rounds · 2009–2012
▶$12.2MraisedFeb 2012 · 11 investors · Other TechnologyRule 506(b)
- Marc DupreExecutive Officer
- Michael FleischmanExecutive Officer, Director
- Brian BedolDirector
- Geoff YangDirector
- Frank MossDirector
- Deb Roy, Ph.D.Executive Officer, Director
- Offering amount
- $12.2M
- Amount sold
- $12.2M
- First sale
- Jan 2012
- Incorporated
- Corporation, Delaware, 2008
- Federal exemptions
- 06
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Company profile
researched Aug 2026Bluefin Labs was a social TV analytics company based in Cambridge, Massachusetts, that measured viewer engagement with television programming and advertising by analyzing publicly available social media commentary from Twitter, Facebook and blogs. Its platform semantically interpreted individual comments and automatically linked them to the specific TV shows and commercials that prompted them, producing engagement data for a problem the TV and marketing industries had historically found costly and complex to measure.
The company's flagship product, Bluefin Signals, was a SaaS analytics suite sold on subscription to brands, agencies and TV networks for research and audience insights, media planning and buying, TV ad sales negotiations, and ad creative development and optimization. Signals ingested an electronic programming guide feed and TV closed captioning to deliver telecast-level analytics. Two editions were offered: a Network Edition used by more than 40 of the top U.S. broadcast and cable networks, and a Brand Edition described as the first social TV analytics product built for brands. Bluefin described the resulting dataset — a network of cause-and-effect links between broadcast stimulus and social response — as the "TV Genome."
The company was acquired by Twitter in February 2013 and ceased to operate as an independent entity; Wikipedia records it as defunct in 2013 and lists it as a division. Its listed office address was One Kendall Square, B17001, Cambridge, MA.
Founding story
Bluefin Labs was founded in 2008 by Deb Roy and Michael Fleischman, both from the MIT Media Lab. Roy headed the Media Lab's Cognitive Machines group and led the Human Speechome Project, which recorded roughly 240,000 hours of audio and video of his son's first three years of home life to study language acquisition and required deep machine learning algorithms to extract context and patterns from the corpus. Fleischman, a student in Roy's group, adapted these data-driven methods to another large video dataset, broadcast television. His PhD work drew the attention of the National Science Foundation, which awarded Roy and Fleischman a Small Business Innovation Research grant that effectively bootstrapped the company's launch.
Business model
Enterprise software and data business: Bluefin Signals was sold as a subscription SaaS analytics platform, with enterprise-grade data and professional services delivered to brands, advertising agencies and television networks.
Subscription-based access to the Bluefin Signals analytics platform, offered in Network Edition and Brand Edition tiers for TV networks and brands respectively.
Traction
By January 2012 Bluefin Signals provided data and analysis on more than 346,000 individual TV telecasts across all dayparts and genres, with clients including CBS, Fox, Discovery Communications, MediaCom, MTV Networks and Starcom MediaVest Group. Later figures cite visibility into more than 5 billion public social media comments per month, a fingerprint archive of more than one million distinct airings, ingestion of 115 U.S. broadcast and cable networks, and use of the Network Edition by over 40 top U.S. networks.
Latest developments
Twitter's acquisition, announced in February 2013 at approximately $100 million, was described as Twitter's largest acquisition at that time and its second Cambridge-based acquisition. Bluefin's technology was reported to support Twitter's advertising strategy and social TV ratings ambitions, coinciding with Twitter's partnership with Nielsen on social TV ratings. Seedtable's listing (updated 2026) shows the company as acquired by X with 31 employees.
▸Full profile — market position, technology, go-to-market, geography, history, risks & controversies
Market position
Positioned as a pioneer in social TV analytics at a time when social media was emerging as a second screen for television viewing and advertisers sought metrics for social engagement. Sources describe differentiation based on its MIT research pedigree, its scale of comment and broadcast processing, and its dual-sided value to both broadcasters and advertisers.
Cited differentiators include the MIT Media Lab research foundation, the ability to process large volumes of social commentary and broadcast content in near real time, sentiment separation and ad-level attribution that told advertisers when a specific ad generated brand mentions, and the combined value delivered to both networks and advertisers.
Technology
Proprietary algorithms matched social media comments to televised content using three components: temporal analysis of when a comment was posted, semantic analysis matching comment text to on-screen content, and machine learning to continuously train and retrain the matching model. Additional proprietary algorithms performed sentiment and gender analysis of comments. The system relied on video fingerprinting of TV broadcasts, an electronic programming guide feed and closed-caption text. The approach was grounded in 15 years of cognitive science and machine learning research at the MIT Media Lab. Seedtable lists 21 patents assigned to the company.
Go-to-market
Direct enterprise sales and client services to networks, brands and agencies, with an initial private pilot program in May 2011 preceding the commercial launch of Bluefin Signals in July 2011; Series B proceeds were designated to accelerate sales and client-services growth.
Brand advertisers, advertising agencies and television networks. Named clients included CBS, Fox, Discovery Communications, MediaCom, MTV Networks and Starcom MediaVest Group.
Geography
Headquartered in Cambridge, Massachusetts (One Kendall Square), with coverage focused on U.S. national television — 115 U.S. broadcast and cable networks.
History
Founded in 2008 out of MIT Media Lab research and bootstrapped by an NSF SBIR grant, Bluefin raised seed capital in 2009 and a Series A led by Redpoint Ventures in 2010. It introduced its analytics service via a private pilot in May 2011 and launched Bluefin Signals in July 2011. In January 2012 it raised a $12 million Series B led by Time Warner Investments, with SoftBank Capital joining and Redpoint Ventures and Lerer Ventures returning; Rachel Lam of Time Warner Investments took a board seat. In 2012 advertising executive JP Maheu was announced as CEO. In February 2013 Twitter announced its acquisition of the company, reported at approximately $100 million (other coverage estimated $50-$100 million), roughly 18 months after Bluefin's first commercial product launch.
Risks & controversies
Source reliability is uneven: the Wikipedia article carries maintenance tags for possible undisclosed paid editing, promotional content and being out of date, and contains an impossible date ("July 32, 2012"). Reported acquisition price varies from an estimated $50-$100 million to approximately $100 million, and total disclosed funding varies across sources ($19.0M, $19.2M, $20.5M). One aggregator (Startup Intros) states the Twitter acquisition occurred on November 1, 2025 for an undisclosed amount and lists 1,001-5,000 employees, both inconsistent with the February 2013 acquisition documented elsewhere. A separate crypto company named Bluefin (a Sui-based decentralized exchange) appears in unrelated coverage and is not this company.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Founder mafia
2 people who came through Bluefin Labs went on to found or lead other companies.
Timeline · 6
launches, deals, and filingsTwitter announced it was buying Bluefin Labs for approximately $100 million; other coverage estimated the transaction at $50-$100 million. Seedtable records the acquisition on 2013-02-05 at $100M, and Redpoint dates the acquisition to February 2013.
$100M source ↗
Series B of $12 million led by Time Warner Investments, with new investor SoftBank Capital and returning investors Redpoint Ventures and Lerer Ventures. Proceeds earmarked for sales and client services expansion plus continued technology and R&D investment. Rachel Lam of Time Warner Investments joined the board of directors.
$12M source ↗
Rachel Lam, senior vice president and group managing director of Time Warner Investments, joined the board in connection with the Series B round.
Bluefin Labs announced that advertising industry veteran JP Maheu would join the company as CEO (Wikipedia gives an invalid date, 'July 32, 2012').
Bluefin launched its flagship product, Bluefin Signals, an analytics platform that analyzes and organizes social media conversations about US national television.
Bluefin Labs first introduced its social TV analytics service through a private pilot program.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 8
primary sources listed
- Bluefin Labs - Wikipediaen.wikipedia.org · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Bluefin Labs do?
- Cambridge, MA social TV analytics company linking social media commentary to TV shows and ads; acquired by Twitter in 2013.
- Who founded Bluefin Labs?
- Bluefin Labs was founded by Michael Fleischman, Deb Roy, Ph.D. in 2008.
- Who are Bluefin Labs's investors?
- Bluefin Labs's investors include Imagination Capital, Lerer Hippeau, High Alpha, Offline Ventures, Redpoint Ventures.
- How much funding has Bluefin Labs raised?
- Bluefin Labs has disclosed $12.2M raised across 1 of its 3 known rounds.
- Where is Bluefin Labs headquartered?
- Bluefin Labs is headquartered in Cambridge, US.




