About Elm Street Ventures
Elm Street Ventures is a venture capital firm founded in 2006. It is primarily based out of New Haven, United States. As of May 2026, Elm Street Ventures has invested in 25 companies. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from Life Sciences to Enterprise Applications and Retail. Most recently it participated in the $***** Series D round of P2 Science Overall, Elm Street Ventures portfolio has seen 1 IPO and 8 acquisitions including key companies like Halda Therapeutics, Arvinas and Device42. A lot of funds co-invest with Elm Street Ventures, with names like Connecticut Innovations sharing a substantial percentage of its portfolio. Elm Street Ventures has team of 13 people including 2 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio IPOs
Portfolio Acquisitions
Portfolio Soonicorns
Deals in last 12 months
Elm Street Ventures' List of Top Investments
Elm Street Ventures has a portfolio of 25 companies. Their most notable investments are in EvolveImmune and SeeClickFix.Their portfolio spans across and United States. They have invested in Life Sciences, Enterprise Applications, Retail and 12 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of top investments by Elm Street Ventures:
Developer of precision therapeutics for cancer treatment. It offers a lead drug candidate which is a RIPTAC therapeutic that utilizes androgen receptor as a targeting protein to selectively deliver the drug for the treatment of metastatic, castrate-resistant prostate cancer, and tumors.
Key facts about Halda Therapeutics
- Founded Year: 2019
- Location: New Haven (United States)
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $217M
- Investors: Access Industries, Boxer Capital and 10 Others
- Latest Funding Round: Series B, Aug 12, 2024, $*****
- Highlight: Acquired
2. P2 Science
Manufacturer of diversified green chemicals. It develops bio-renewable speciality chemicals. Its product portfolio includes chemicals for cosmetic and personal care, flavour and fragrance, renewable polymers and bioactive. It produces petroleum-like biopolymers from sustainable resources.
Key facts about P2 Science
- Founded Year: 2011
- Location: Woodbridge (United States)
- Stage: Series D
- Total Funding till date: $62.2M
- Employee Count: 37 as on Aug 31, 2026
- Investors: BASF, Malaysian Life Sciences Capital Fund and 15 Others
- Latest Funding Round: Series D, May 27, 2026, $*****
- Highlight: Editors' Pick
3. Arvinas
Developer of small molecule drugs to target and degrade disease causing proteins. It offer therapeutics to treat a variety of diseases including cancer, pro-inflammatory, autoimmune and rare diseases. Its protein degradation platform uses bifunctional small molecules, Proteolysis-Targeting Chimeras (PROTACs), to target proteins for removal from the cell. PROTACs recruit an E3 ubiquitin ligase to a specific targeted protein, thereby labelling that protein for elimination by the Ubiquitin/Proteasome System (UPS).
Key facts about Arvinas
- Founded Year: 2013
- Location: New Haven (United States)
- Stage: Public
- Total Funding till date: $100M
- Employee Count: 295 as on Aug 31, 2026
- Investors: Access Industries, BB Biotech and 14 Others
- Latest Funding Round: Post IPO, Jul 19, 2019, $*****
- Highlight: Public
4. EvolveImmune
Key facts about EvolveImmune
- Founded Year: 2019
- Location: Branford (United States)
- Stage: Series B
- Total Funding till date: $92M
- Employee Count: 56 as on Aug 31, 2026
- Investors: Takeda, Solasta Ventures and 7 Others
- Latest Funding Round: Series B, Oct 22, 2024, $*****
5. Desmos
Desmos is a free online graphic calculator. It plots any equation from lines and parabolas up through derivatives and Fourier series. Through its Activity Builder dashboard, teachers can create online activities for students to create mathematical ideas, work on live graphs. It can customize graphs from 16 graphs having a familiar graphing calculator interface. It is present in multiple locations.
Key facts about Desmos
- Founded Year: 2011
- Location: San Francisco (United States)
- Stage: Series A
- Total Funding till date: $5.8M
- Employee Count: 65 as on Aug 31, 2026
- Investors: Google Ventures, Learn Capital and 7 Others
- Latest Funding Round: Grant (prize money), Jan 01, 2019, $*****
- Highlight: Editors' Pick
Elm Street Ventures' Year-on-Year Investment Trends
Elm Street Ventures has invested in 25 companies over the last 18 years, with an average of 1 new investment annually in the last 10 years. As of May 2026, it has made 1 investment in this year. Its most recent first time investment was in Cybrexa Therapeutics and most recent follow-on round was in P2 Science.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 1 | 1 |
2025 | 0 | 0 | 0 |
2024 | 0 | 1 | 1 |
2023 | 0 | 2 | 2 |
2022 | 0 | 0 | 0 |
2021 | 1 | 0 | 1 |
2020 | 2 | 2 | 4 |
2019 | 2 | 0 | 2 |
2018 | 0 | 0 | 0 |
2017 | 0 | 2 | 2 |
Elm Street Ventures' Investments by Stage
Elm Street Ventures has made 6 investments in Seed stage with an average round size of $2.83M, 6 investments in Series A stage with an average round size of $13.9M and 2 investments in Series B stage with an average round size of $13.8M.Stage of entry | No. of Investments |
|---|---|
Seed | 6 |
Series A | 6 |
Series B | 2 |
Note: We have considered here, only first round of investments
Elm Street Ventures' Investments by Sector
Elm Street Ventures has a diverse portfolio, with companies operating in the Life Sciences, Enterprise Applications, High Tech, Sustainability Tech and Chemicals and Materials Tech. Notably, it has invested in 20 Tech companies, 14 Enterprise (B2B) companies, 8 Software companies and at least 4 companies focusing on Consumer (B2C).Sector | No. of Investments |
|---|---|
Life Sciences | 8 |
Enterprise Applications | 2 |
High Tech | 2 |
Sustainability Tech | 2 |
Chemicals and Materials Tech | 1 |
Others | 7 |
Note: We have considered here, only first round of investments
Elm Street Ventures' Investments by Geography
Elm Street Ventures has made most investments in United States (14).Elm Street Ventures' recent investments
Elm Street Ventures has made 1 investments in 2026 so far - P2 Science.Here are the most recent investments by Elm Street Ventures:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
May 27, 2026 | United States | Series D | 1299 | [+8] | |
Aug 12, 2024 | United States | Series B | 2552 | [+8] | |
Sep 27, 2023 | United States | Series A | 2046 | [+7] | |
Feb 23, 2023 | United States | Series D | 1982 | ||
Mar 11, 2021 | United States | Series B | 5193 |
IPOs and Publicly Listed companies in Elm Street Ventures' Portfolio
1 of Elm Street Ventures' portfolio company became public - Arvinas. It got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Sep 2018 at marketcap of $515MHere are Elm Street Ventures' portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Sep 27, 2018 | Jul 16, 2013 | Seed | 4198 |
Acquired companies in Elm Street Ventures' Portfolio
8 companies from Elm Street Ventures' portfolio have been acquired. The most recent acquisition was Halda Therapeutics in Nov 2025 by Johnson & Johnson for $*****.Here are Elm Street Ventures' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Nov 17, 2025 | Feb 28, 2019 | Series A | 3163 | |
May 02, 2024 | Dec 18, 2014 | Seed | 6830 | |
Oct 04, 2022 | Jan 07, 2009 | Series B | 2467 | |
Nov 01, 2016 | - | - | 1025 | |
Nov 11, 2015 | Nov 06, 2012 | Seed | 9515 |
Team profile of Elm Street Ventures
Elm Street Ventures has a team of 13 members including 2 Partners and 2 Venture Partners located in United States. Elm Street Ventures' team does not sit on the board of any company as of now.Here is a list of top team members in Elm Street Ventures:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Branford | - | ||
Partner | United States | - | ||
Venture Partner | Potomac | - | - | |
Venture Partner | New Haven | - | - |
Co-investors of Elm Street Ventures
Over the past 18 years, 95 investors have co-invested in Elm Street Ventures's portfolio companies. This includes only funds.
- Invested before Elm Street Ventures: HHS, Connecticut Innovations and 10 others have invested in rounds before Elm Street Ventures. There are 3 companies where HHS has invested before Elm Street Ventures and 2 companies where Connecticut Innovations has invested before Elm Street Ventures.
- Top Co-investors of Elm Street Ventures: 28 investors entered a company along with Elm Street Ventures. These include investors like Connecticut Innovations (7 companies).
- Invested after Elm Street Ventures: A total of 55 investors have invested in Elm Street Ventures's portfolio after their investments. Top Investors include RA Capital Management (2 companies), Xeraya Capital (2 companies) and Access Biotechnology (1 company).
Recent News related to Elm Street Ventures
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Halda Therapeutics Raises $126M in Series B Extension FinancingFinSMEs•Aug 12, 2024•Halda Therapeutics, Deep Track Capital, Frazier Life Sciences, RA Capital Management and 22 others
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CellFE Raises $22M in Series A FinancingFinSMEs•Sep 27, 2023•CellFE, M Ventures, GreatPoint Ventures, Riverine Ventures and 6 others
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P2 Science Raises Funding RoundFinSMEs•Feb 24, 2023•P2 Science, Lewis & Clark Agrifood, HG Ventures, Elm Street Ventures and 3 others
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Bayzat raises $16m in Series B fundingKhaleej Times•Oct 19, 2021•BAYZAT, Point72 Ventures, Mubadala, Elm Street Ventures and 2 others
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Cybrexa Therapeutics Completes $25M Series B FinancingFinSMEs•Mar 11, 2021•Cybrexa Therapeutics, Elm Street Ventures, HighCape Capital
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FOODICS raises $20 million in Series BWamda•Feb 01, 2021•Foodics, Sanabil, STV, Endeavor and 5 others
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CellFE lands $4.8mVCJ•Mar 31, 2020•CellFE, Elm Street Ventures, Embark Ventures, Cota Capital and 2 others
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P2 Science Raises $12 Million in Series C Financing RoundPRWeb•Jan 28, 2020•P2 Science, HG Ventures, Xeraya Capital, BASF and 7 others
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Bayzat, the Abu Dhabi-Based Tech Startup, Raises $16M in Series B FundingBusiness Wire•Oct 21, 2019•BAYZAT, Tech Invest Com, Endeavor, Greyhound Capital and 4 others
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Zid raises $2 million pre-Series AWamda•Jul 24, 2019•MSA Capital, Arzan Venture Capital, Zid, Elm and 1 other
