About Criteria Bio Ventures
Criteria Bio Ventures is a venture capital firm founded in 2007. It is primarily based out of Barcelona, Spain. As of May 2026, Criteria Bio Ventures is an active investor, having invested in 4 companies, with 3 new investments in the last 12 months. It primarily invests in Series A round in United Kingdom based startups. Its investments are spread across Life Sciences sector. Most recently it participated in the $***** Series A round of Cytospire Therapeutics A lot of funds co-invest with Criteria Bio Ventures, with names like British Business Bank sharing a substantial percentage of its portfolio. Criteria Bio Ventures has team of 2 people.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio Soonicorns
Deals in last 12 months
Criteria Bio Ventures' List of All Investments
Criteria Bio Ventures has a portfolio of 4 companies. Their most notable investmentis in Adaptam TherapeuticsTheir portfolio spans across United Kingdom, Spain and United States. They have invested in Life Sciences, across Seed, Series A and 1 more. Here is the list of all investments by Criteria Bio Ventures:
Developer of drugs for neurodegenerative diseases.It is involved in developing the small molecule-based drug which can penetrant mitochondrial permeability and transition pore inhibitors to safeguard dopamine cells for neurodegenerative diseases like Parkinson’s disease, Alzheimer’s disease, and motor neuron disease
Key facts about NRG Therapeutics
- Founded Year: 2018
- Location: Cambridge (United Kingdom)
- Stage: Series B
- Total Funding till date: $85.9M
- Employee Count: 7 as on Apr 30, 2025
- Investors: Novartis, Omega Funds and 9 Others
- Latest Funding Round: Series B, Sep 08, 2025, $*****
- Highlight: Editors' Pick
Developer of thymus-based therapies for immune-mediated diseases to increase healthspan. It focuses on preserving, restoring, and manipulating the function of the thymus. The thymus is a master regulator of immune tolerance. The company aims to control immune tolerance by influencing thymus function.
Key facts about Tolerance Bio
- Founded Year: 2023
- Location: Chapel Hill (United States)
- Stage: Seed
- Total Funding till date: $52.5M
- Employee Count: 17 as on Jul 31, 2026
- Investors: Columbus Venture Partners, BioAdvance and 4 Others
- Latest Funding Round: Seed, Jun 03, 2026, $*****
- Highlight: Editors' Pick
Provider of immune cell engagers for treating cancer. It offers a portfolio of differentiated multispecific engager antibodies to enhance and direct the activity of innate and adaptive effector immune cells to discriminate between target diseased vs healthy cell for the treatment of solid tumors and other cancer.
Key facts about Cytospire Therapeutics
- Founded Year: 2023
- Location: London (United Kingdom)
- Stage: Series A
- Total Funding till date: $83M
- Employee Count: 28 as on Jul 31, 2026
- Investors: Abingworth, 4Bio Capital and 8 Others
- Latest Funding Round: Series A, May 05, 2026, $*****
Developer of antibody-based immunotherapies targeting the immunosuppressive myeloid tumor microenvironment. It focuses on creating therapies directed to novel targets expressed in immunosuppressive myeloid cells. These therapies include antibody-drug conjugates and bispecific antibodies for oncology indications. The organization advances first-in-class antibody-based therapies.
Key facts about Adaptam Therapeutics
- Founded Year: 2023
- Location: San Sebastian (Spain)
- Stage: Seed
- Total Funding till date: $3.49M
- Employee Count: 6 as on Jul 31, 2026
- Investors: Criteria Bio Ventures
- Latest Funding Round: Seed, Oct 27, 2025, $*****
Criteria Bio Ventures' Year-on-Year Investment Trends
In 2025, it made 2 investments, while as of May 2026, it has made 1 investment in this year. Its most recent first time investment was in Cytospire Therapeutics.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 1 | 0 | 1 |
2025 | 2 | 0 | 2 |
2024 | 1 | 0 | 1 |
Criteria Bio Ventures' Investments by Stage
Criteria Bio Ventures has made 2 investments in Seed stage with an average round size of $10.3M, 1 investment in Series A stage with an average round size of $83M and 1 investment in Series B stage with an average round size of $67.5M.Stage of entry | No. of Investments |
|---|---|
Seed | 2 |
Series A | 1 |
Series B | 1 |
Note: We have considered here, only first round of investments
Criteria Bio Ventures' Investments by Sector
Criteria Bio Ventures has a portfolio focused on Life Sciences. Notably, it has invested in 4 Enterprise (B2B) companies and 4 Tech companies.Criteria Bio Ventures' Investments by Geography
Criteria Bio Ventures has made most investments in United Kingdom (2), followed by Spain where it has made 1 investment.Country | No. of Investments |
|---|---|
United Kingdom | 2 |
Spain | 1 |
United States | 1 |
Note: We have considered here, only first round of investments
Criteria Bio Ventures' recent investments
Criteria Bio Ventures has made 1 investments in 2026 so far - Cytospire Therapeutics.Here are the most recent investments by Criteria Bio Ventures:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
May 05, 2026 | United Kingdom | Series A | 7096 | [+8] | |
Oct 27, 2025 | Spain | Seed | 5342 | - | |
Sep 08, 2025 | United Kingdom | Series B | 7985 | [+5] | |
Oct 29, 2024 | United States | Seed | 6776 |
Team profile of Criteria Bio Ventures
Criteria Bio Ventures has a team of 2 members located in Spain. Criteria Bio Ventures' team does not sit on the board of any company as of now.Co-investors of Criteria Bio Ventures
Over the past 2 years, 22 investors have co-invested in Criteria Bio Ventures's portfolio companies. This includes funds and angels.
- Invested before Criteria Bio Ventures: Gov, The Michael J. Fox Foundation and 3 others have invested in rounds before Criteria Bio Ventures. There is 1 company where Gov has invested before Criteria Bio Ventures and 1 company where The Michael J. Fox Foundation has invested before Criteria Bio Ventures.
- Top Co-investors of Criteria Bio Ventures: 16 investors entered a company along with Criteria Bio Ventures. These include investors like British Business Bank (2 companies).
- Invested after Criteria Bio Ventures: Pacific 8 Ventures (1 company) is the only investor which has invested in Criteria Bio Ventures's portfolio after their investments.
Recent News related to Criteria Bio Ventures
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4BIO Capital leads oversubscribed £61 million Series A financing for Cytospire TherapeuticsGlobeNewswire•May 05, 2026•Cytospire Therapeutics, 4Bio Capital, Criteria Bio Ventures, LifeArc Ventures and 4 others
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NRG Therapeutics Raises £50M Series B FinancingFinSMEs•Sep 08, 2025•Criteria Bio Ventures, Brandon Capital, Omega Funds, NRG Therapeutics and 7 others
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