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- Biossil
Biossil Valuation, Funding & Investors
Biossil is valued at $1B as of September 2026.
Last Biossil valuation
$1B
Undisclosed stage · Sep 2026
Last Biossil funding round
$153M
Undisclosed stage · Sep 2026
Cumulative funding Biossil raised
$223M
across 2 funding rounds
Key investors in Biossil
Founders Fund
Quiet Capital
Golden Ventures
Panache Ventures
Modern Capital
OpenAI
About Biossil
Biossil is an applied AI drug discovery platform that develops specialized treatments for individual patients.
Founded
2023
HQ
Website
Status
Privately held
Valuation
$1B (Sep 2026)
Biossil Valuation
Biossil is currently valued at $1B, based on its undisclosed-stage round in September 2026. Read the announcement ↗
The $153M round was led by OpenAI Startup Fund, with participation from Panache Ventures, Modern Capital, Founders Fund, Abu Dhabi Investment Council, Duke University and 2 other investors.
Biossil valuation by funding round
| Date | Stage | Valuation |
|---|---|---|
| Sep 2026 | Undisclosed stage | $1B |
Biossil Funding History
Biossil has raised a total of $223M across 2 funding rounds.
Biossil's first fundraising round was a $70M undisclosed-stage round in April 2026. The most recent completed round was a $153M undisclosed-stage round in September 2026.
Biossil funding rounds
| Date | Stage | Investors | Raised | Valuation | Deal Summary |
|---|---|---|---|---|---|
| Sep 2026 | Undisclosed stage | OpenAI Startup Fund (lead); Panache Ventures; Modern Capital; Founders Fund; Abu Dhabi Investment Council; Duke University; Quiet Capital; Golden Ventures | $153M | $1B | OpenAI’s Startup Fund led Biossil’s September 2026 all-equity financing of $153 million at a $1 billion valuation, with participation from Founders Fund, Quiet Capital, Modern Capital, Golden Ventures, Panache Ventures, Duke University’s endowment fund, and Abu Dhabi Investment Council. The round was used to expand Biossil’s clinical development capacity and to buy additional drug candidates for its pipeline, supporting its model of acquiring failed or discontinued drug assets and attempting to revive them with artificial intelligence. Biossil is a Toronto-based biotech company focused on rescuing abandoned drug candidates and advancing them through clinical development using AI-assisted analysis. |
| Apr 2026 | Undisclosed stage | 137 Ventures; Panache Ventures; Staircase Ventures; OpenAI; Modern Capital; Founders Fund; DRI Healthcare Trust; Quiet Capital; Golden Ventures | $70M | - | Toronto-based biotech startup Biossil raised approximately $70 million USD in equity funding, exiting stealth mode in April 2026. Backers include OpenAI Startup Fund, Founders Fund, Modern Capital, Staircase Ventures, Golden Ventures, Panache Ventures, Quiet Capital, 137 Ventures, and DRI Healthcare. The company has not raised debt but evaluates off-balance-sheet funding sources. Biossil acquires drug candidates discarded by competitors after clinical trial failures and revives them using AI to give failed medicines a second chance. This strategy leverages artificial intelligence for innovative drug development. Biossil operates in the biotech sector, focusing on rescuing abandoned pharmaceutical assets to accelerate development timelines. |
Who has invested in Biossil?
12 investors have backed Biossil across its funding rounds, including Founders Fund, Quiet Capital, Golden Ventures, Panache Ventures, Modern Capital and OpenAI.
Lead investors include OpenAI Startup Fund.
Biossil Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 2 | Participant | Apr 2026 | ||
| 2 | Participant | Apr 2026 | ||
| 2 | Participant | Apr 2026 | ||
| 2 | Participant | Apr 2026 | ||
| 2 | Participant | Apr 2026 | ||
| 1 | Lead | Sep 2026 | ||
| 1 | Participant | Apr 2026 | ||
| 1 | Participant | Apr 2026 | ||
| 1 | Participant | Apr 2026 | ||
| 1 | Participant | Sep 2026 | ||
This data is available for Pro users. Sign up to see all 12 Biossil investors. Start Free Trial | ||||
Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples
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Start Free TrialBiossil Competitors
Biossil competitors include listed companies like Arcs Co and Alto Neuroscience, and private ones like Collate, Altana, Augury and Beamery.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Private | - | - | $1B | - | ||
| Publicly listed | $4B | $183M | $1.2B | 0.2x | ||
| Private | - | $564M | $1B | - | ||
| Private | $100M | - | $1B | - | ||
| Private | - | - | $1B | - | ||
| Publicly listed | - | ($67M) | $1B | - |
Biossil Public Comps
Biossil is still privately-owned, but its public comps include Alto Neuroscience, Pacira BioSciences, iFLYHealth, Kissei Pharmaceutical, MoonLake, Oscotec, Vetoquinol, Cullinan Therapeutics, SPIMACO - ADDWAEIH and Monte Rosa Therapeutics.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| - | ($67M) | - | - | (11.7x) | (7.5x) | |||
| $726M | $100M | 1.6x | 1.5x | 11.6x | 6.3x | |||
| $137M | ($7M) | 7.6x | 6.1x | (148.8x) | 2071.1x | |||
| $619M | $136M | 1.1x | 1.1x | 5.0x | 15.6x | |||
| - | ($220M) | - | - | (2.5x) | (2.3x) | |||
| $74M | $39M | 11.8x | 14.3x | 22.3x | 29.3x | |||
| $597M | $126M | 1.3x | 1.3x | 6.0x | 5.9x | |||
| - | ($242M) | - | 69.2x | (2.7x) | (3.2x) | |||
This data is available for Pro users. Sign up to see all Biossil competitors and their valuation data. Start Free Trial | ||||||||
Common questions about Biossil
| When was Biossil founded? | Biossil was founded in 2023. |
| Where is Biossil headquartered? | Biossil is headquartered in Toronto, Canada. |
| Is Biossil publicly listed? | No, Biossil is a private, VC-backed company. |
| What is Biossil's valuation? | Biossil was last valued at $1B in its undisclosed-stage round in September 2026. |
| How much funding has Biossil raised? | Biossil has raised $223M across 2 funding rounds. |
| What was Biossil's last funding round? | Biossil's last funding round was a $153M undisclosed-stage round in September 2026, led by OpenAI Startup Fund. |
| Who are Biossil's investors? | Biossil's investors include Panache Ventures, Modern Capital, Founders Fund, Quiet Capital, Golden Ventures, OpenAI Startup Fund, 137 Ventures, Staircase Ventures, OpenAI, Abu Dhabi Investment Council and 2 others. |
| Which companies are comparable to Biossil? | Companies comparable to Biossil include Collate, Arcs Co, Altana, Augury, Beamery and Alto Neuroscience. |
See companies similar to Biossil
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