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Oakbio

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Oakbio – High Value Products from Captured Carbon

Sunnyvale, United StatesFounded 2009Biotech & Life Sciences
Valuation $100–250M Last recorded · 2024
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Oakbio and the history behind them.

About Oakbio

Oakbio, Inc., founded in 2009 by Brian Sefton and Pierre Pujol, operates at the intersection of biotechnology and industrial sustainability. The company has positioned itself as a carbon capture and utilization entity, focusing on the conversion of waste carbon streams into valuable commercial products. Its core technology revolves around a proprietary platform that utilizes engineered microbes within bioreactors to transform carbon dioxide, sourced from industrial flue gas and other waste streams, into a range of marketable goods.

The company's product portfolio is diverse, including chemical feedstocks, biofuels, PHA bioplastics, and animal feed. A significant output is biobutanol, an 87-octane compatible biofuel, produced directly from flue gas. Beyond fuels, Oakbio has successfully produced biodegradable plastics, demonstrating a process that yields over 50% bioplastics by dry weight from the microbe biomass. This process was notably tested on-site at the Lehigh Southwest Cement Company plant, using the plant's exhaust as a direct feedstock. In 2015, the company announced the development of a novel E. coli-based microbe model to produce n-Butanol from a wider array of feedstocks, including agricultural and municipal waste.

Operating under the brand name NovoNutrients, Oakbio has also made significant strides in the aquaculture market. This initiative, spearheaded by CEO David Tze who joined after extensive experience in aquaculture seed funding, focuses on converting industrial CO2 into a high-protein feed ingredient called Novomeal. This product is designed to be a sustainable, non-GMO alternative to traditional fishmeal, addressing the issue of overfishing while providing a nutritionally complete protein source for farmed fish. The company's technology in this vertical uses patent-pending microbial consortia that thrive on untreated industrial waste gases from sources like cement plants and oil refineries.

From a funding perspective, Oakbio has navigated several rounds, including a grant of $54.5K in April 2017 from investors like the European Innovation Council and a seed round in July 2018 with participation from SOSV and IndieBio. The company has been noted as deadpooled, and in July 2025, it was announced that there would be an online auction for its assets. The company's primary inventors, Brian Sefton and William J. Coleman, have secured multiple patents for its core technologies, covering methods for biochemical production, bioreactor design, and microbial biomass-based feed products.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2009
Headquarters
Sunnyvale, United States
Employees
1
Open positions
None listed
Dealroom signal
23.3/100
Industry
Health, Energy
Sub-industry
Pharmaceutical, BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Biotech and Pharma, Hard Tech, Horizon Europe, DT and LS, science-based

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VC✓Equity / VC Jul 2024 $17M $69M Undisclosed ↗
EARLY VCEquity / VC Feb 2021 $6.3M $25M Undisclosed —
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Growth signals

Oakbio website traffic

Latest recorded traffic for Oakbio is 110 monthly website visits, down 8.3% over the last three months. Oakbio's team grew 0% over the past year.

Latest monthly visits110 3-month web change-8.3% 1-year team growth0%
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Similar companies

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Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

3 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

  • European Innovation Council
  • SOSV

Other known investors1 additional known investor

Team profiled 1 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · Sunnyvale HQ
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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Oakbio on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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