# EcoR1 Capital

> EcoR1 Capital is a VC fund backing Biotechnology and Health Care. See 132 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: San Francisco, United States
- Total investments: 132
- Last investment: Jul 2026
- Lead investor: 15%
- Fund size: $78M
- Last fund: Oct 2019
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/2796455?trk=tyah&trkInfo=clickedVertical%3Acompany%2CclickedEntityId%3A2796455%2Cidx%3A1-1-1%2CtarId%3A1441126555540%2Ctas%3AEcoR1%20Capital
- Website: http://ecor1cap.com/

EcoR1 Capital is a biotech-focused investment advisory firm.

## Contacts

5 contacts available for EcoR1 Capital. Shizune tracks 4 team members at EcoR1 Capital. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/ecor1-capital?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 88 | 67% |
| Health Care | 48 | 36% |
| Therapeutics | 45 | 34% |
| Medical | 36 | 27% |
| Pharmaceutical | 27 | 20% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Post-IPO Equity | 38 | 29% |
| Series B | 24 | 18% |
| Series C | 20 | 15% |
| Series A | 18 | 14% |
| Funding Round | 4 | 3% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 84 | 64% |
| Canada | 3 | 2% |
| Austria | 1 | 1% |
| Germany | 1 | 1% |
| United Kingdom | 1 | 1% |

6 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Alex Tkachenko | Entrepreneur In Residence | 1 | https://shizune.co/investors/profile/alex-tkachenko |
| Caroline Stout | Principal | 1 | https://shizune.co/investors/profile/caroline-stout |
| Oleg Nodelman | Founder & Managing Director | 11 | https://shizune.co/investors/profile/oleg-nodelman |
| Scott Perlen | CFO | 0 | https://shizune.co/investors/profile/scott-perlen |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Alto Neuroscience | Alto Neuroscience is a clinical-stage biopharmaceutical company that integrates the biology of the patient into drug development to improve the lives of people with mental health conditions. Through its AI-enabled biomarker platform, Alto Neuroscience combines rich sources of information on patients’ brain activity and behavior to rapidly develophighly-effective medicines for targeted populations. Alto Neuroscience aims to replace today's trial-and-error clinical approach by aligning the right Alto drug with the right patient, redefining psychiatry at a time when the world needs it most. | $100M | Post-IPO Equity | Jul 13, 2026 |  |
| Artiva Biotherapeutics | Artiva Biotherapeutics is a private biotech company advancing a pipeline of off-the-shelf, allogeneic NK cell therapies, for the treatment of hematologic cancers or solid tumors. It was founded on the understanding that NK cells hold enormous therapeutic potential as cancer therapies and the dedication and expertise to overcome technologicalbarriers in the scaling and manufacturing of these cells. At Artiva, its mission is to deliver highly effective cell therapies that are also safe and immediately available and accessible to any cancer patient who stands to benefit. Artiva’s platform delivers scalability, quality, and cryopreservation to support a pipeline of safe, effective, versatile, and accessible product candidates. | $300M | Post-IPO Equity | May 08, 2026 |  |
| Immunic Therapeutics | Immunic, Inc. is a clinical-stage biopharmaceutical company with a pipeline of selective oral immunology therapies focused on treating chronic inflammatory and autoimmune diseases. The company is developing three small molecule products: its lead development program, IMU-838, a selective immune modulator that inhibits the intracellular metabolismof activated immune cells by blocking the enzyme DHODH and exhibits a host-based antiviral effect, is currently being developed as a treatment option for multiple sclerosis, ulcerative colitis, Crohn's disease, and primary sclerosing cholangitis. IMU-935, a selective inverse agonist of the transcription factor RORγt, is targeted for development in psoriasis, castration-resistant prostate cancer and Guillain-Barré syndrome. IMU-856, which targets the restoration of the intestinal barrier function, is targeted for development in diseases involving bowel barrier dysfunction. | $400M | Post-IPO Equity | Feb 13, 2026 |  |
| CAMP4 Therapeutics | CAMP4 is focused on addressing the fundamental cause of disease by controlling the output of genes central to disease. By taking advantage of the gene circuitry code, CAMP4 is able to control gene production through signaling pathways the cell is already utilizing to regulate gene expression. Their predictions enables CAMP4 to have a rapid start todisease treatment, significantly reducing the time and risk to bring new medicines to patients. | $30M | Post-IPO Equity | Dec 18, 2025 |  |
| Aquestive Therapeutics | Aquestive Therapeutics is a specialty pharmaceutical company that advances and commercializes medicines to solve critical healthcare problems and meaningfully improve people’s lives. Aquestive is committed to addressing immediate CNS challenges by furthering its strong pipeline of products. As the undisputed leader in developing and deliveringdrugs via its proprietary technologies, the Company also collaborates with pharmaceutical partners to bring new molecules to market in differentiated and highly-marketable dosage forms. | $85M | Post-IPO Equity | Aug 14, 2025 |  |
| Atara Biotherapeutics | Atara Biotherapeutics, Inc. (@Atarabio) is an off-the-shelf, allogeneic T-cell immunotherapy company developing novel treatments for patients with cancer, autoimmune, and viral diseases. Atara’s technology platform leverages research collaborations with leading academic institutions with the Company’s scientific, clinical, regulatory, andmanufacturing expertise. Atara’s pipeline includes tab-cel® (tabelecleucel), which is in Phase 3 development for patients with Epstein-Barr virus-associated post-transplant lymphoproliferative disorder (EBV+ PTLD) as well as in earlier stage development for other EBV-associated hematologic malignancies and solid tumors, including nasopharyngeal carcinoma (NPC); T-cell immunotherapies targeting EBV antigens believed to be important for the potential treatment of multiple sclerosis; and next-generation chimeric antigen receptor T-cell (CAR T) immunotherapies. The company was founded in 2012 and is co-located in South San Francisco and Southern California. Our Southern California hub is anchored by the state-of-the-art Atara T-cell Operations and Manufacturing (ATOM) facility in Thousand Oaks, California. For additional information about the company, please visit atarabio.com. | $16M | Post-IPO Equity | May 15, 2025 |  |
| Attovia Therapeutics | Attovia Therapeutics is a biotherapeutics pipeline developer focused on immune-mediated illness and oncology. The company uses the nanobody platform to create tiny format binders with low picomolar affinity, increased selectivity, quicker internalization, and rapid tissue penetration, thereby assisting cancer patients in being treated. | $90M | Series C | Apr 15, 2025 |  |
| Tectonic Therapeutic | Tectonic is a privately held biotechnology company that aims to transform the discovery of novel GPCR-targeted drugs and unlock the therapeutic utility the most challenging receptors in the class. Tectonic’s founders are at the forefront of scientific research in biochemistry and molecular pharmacology with an extensive track record ofentrepreneurial achievement. | $185M | Post-IPO Equity | Feb 03, 2025 |  |
| Neurogene | Neurogene is a developer of generic medicines intended to improve patient outcomes for neurological disorders.The company's offerings include advancing genetic medicines for many neurological disorders where no effective treatment options exist, providing patients and families affected by rare neurological disorders with gene therapy thatimproves quality of life. | $200M | Post-IPO Equity | Nov 04, 2024 |  |
| Atara Biotherapeutics | Atara Biotherapeutics, Inc. (@Atarabio) is an off-the-shelf, allogeneic T-cell immunotherapy company developing novel treatments for patients with cancer, autoimmune, and viral diseases. Atara’s technology platform leverages research collaborations with leading academic institutions with the Company’s scientific, clinical, regulatory, andmanufacturing expertise. Atara’s pipeline includes tab-cel® (tabelecleucel), which is in Phase 3 development for patients with Epstein-Barr virus-associated post-transplant lymphoproliferative disorder (EBV+ PTLD) as well as in earlier stage development for other EBV-associated hematologic malignancies and solid tumors, including nasopharyngeal carcinoma (NPC); T-cell immunotherapies targeting EBV antigens believed to be important for the potential treatment of multiple sclerosis; and next-generation chimeric antigen receptor T-cell (CAR T) immunotherapies. The company was founded in 2012 and is co-located in South San Francisco and Southern California. Our Southern California hub is anchored by the state-of-the-art Atara T-cell Operations and Manufacturing (ATOM) facility in Thousand Oaks, California. For additional information about the company, please visit atarabio.com. | $36M | Post-IPO Equity | Sep 03, 2024 |  |

10 of 132 investments shown.

## Co-investors
- [Samsara BioCapital](https://shizune.co/investors/profile/samsara-biocapital) — VC Fund, 28 deals together
- [Boxer Capital](https://shizune.co/investors/profile/boxer-capital) — VC Fund, 25 deals together
- [RA Capital Management](https://shizune.co/investors/profile/ra-capital-management) — VC Fund, 23 deals together
- [OrbiMed](https://shizune.co/investors/profile/orbimed-advisors) — VC Fund, 22 deals together
- [Redmile Group](https://shizune.co/investors/profile/redmile-group) — VC Fund, 20 deals together
- [Invus](https://shizune.co/investors/profile/invus) — VC Fund, 17 deals together

## Similar investors

### Similar stage
- [RA Capital Management](https://shizune.co/investors/profile/ra-capital-management) — VC Fund
- [KB Securities](https://shizune.co/investors/profile/kb-securities) — VC Fund
- [Frazier Healthcare Partners](https://shizune.co/investors/profile/frazier-healthcare-ventures) — VC Fund

## FAQ

### What does EcoR1 Capital invest in?

EcoR1 Capital invests primarily in Biotechnology, Health Care and Therapeutics startups, most often at Post-IPO Equity and Series B stage. Most of the 132 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact EcoR1 Capital?

Public channels for EcoR1 Capital include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at EcoR1 Capital?

The team at EcoR1 Capital includes Alex Tkachenko (Entrepreneur In Residence), Caroline Stout (Principal) and Oleg Nodelman (Founder & Managing Director). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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