# Delos Capital: portfolio, investments and team > Delos Capital is a private equity based in United States. 11 investments on record, 1 in the last 12 months, latest Jun 2026. Source: https://millionrounds.com/fund/delos-capital (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Delos Capital Last cheque observed Jun 2026; 11 cheques on record. Email Deploying now New fund $300M, Jan 2022 Private equity Series A Series B Growth Connected-health E-health Mental Health Follow Delos Capital and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fdelos-capital) Deploying now **50%** of best year **1** **cheques in 12 months**, 11 on record Since the last cheque **153** days **00** hrs **00** min **00** sec Median round **$34M** Rounds led **4 of 11** Sole investor **2 rounds** Mostly in **United States, 82%** Pitch Delos Capital ## Delos Capital highlights - 01 1 cheques in the last 12 months - 02 Mostly Series B and Series C: 64% of its rounds - 03 Sole investor in 2 rounds, median $17M ## What they do > Delos Capital is a private equity firm based in New York City From their own website - **Type:** Private equity (from a list, unverified) - **Cheque size:** Not stated - **Stages:** Series A Series B Growth - **Sectors:** Connected-health E-health Mental Health - **Based in:** Boston, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **11 appearances** - **2026** 1 round - **Jun** **[Rejoni](https://millionrounds.com/company/rejoni)** Venture · US · Catalyst Health Ventures **$25M** With 7 others - **2024** 2 rounds - **Nov** **[TRex Bio](https://millionrounds.com/company/trex-bio)** Series B · US · Avego Management **$84M** *Led* - **May** **[Zenas BioPharma](https://millionrounds.com/company/zenas-biopharma)** Series C · US · Tellus BioVentures **$200M** *Led* - **2019** 4 rounds - **Dec** **[Imperative Care](https://millionrounds.com/company/imperative-care)** Series C · US · FinSMEs **$85M** With 5 others - **Nov** **[Clover Biopharmaceutical](https://millionrounds.com/company/clover-biopharmaceutical)** Series B · CN · FinSMEs **$43M** *Led* - **Sept** **[Curamir Therapeutics](https://millionrounds.com/company/curamir-therapeutics)** Series A · US · FinSMEs **$10M** Sole investor - **Jun** **[OncoMyx Therapeutics](https://millionrounds.com/company/oncomyx-therapeutics)** Series A · US · FinSMEs **$25M** *Led* - **2016** 1 round - **Jun** **[Allecra Therapeutics](https://millionrounds.com/company/allecra-therapeutics)** Series B · DE · FinSMEs **$24M** Sole investor - **2015** 3 rounds - **Nov** **[BAROnova](https://millionrounds.com/company/baronova)** Series D · US **$37M** With 4 others - **Aug** **[Syndax Pharmaceuticals](https://millionrounds.com/company/syndax-pharmaceuticals)** Series C · US **$80M** With 12 others - **May** **[Atia Medical](https://millionrounds.com/company/atia-medical)** Series B · US **$3.0M** With 1 other An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor. ## The team Named by the firm itself, on a filing, its Form ADV or its company registration **5 named** CC **Chi Chuan Chen** Director of Delos Capital Advisors LLC (02/2017); Manager of Delos Capital GP III, LLC (11/2021) i Form ADV EK **Eileen Kavanagh** Chief Compliance Officer i Form ADV HL **Henry Lin Chen** Director of Delos Advisors Limited; Director of Delos Capital Advisors LLC i Form ADV MR **Matthew Robert Constantino** Chief Investment Officer i Form ADV ML **Mike Louis Ambrosio** Chief Financial Officer i Form ADV We also hold **19** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them. ## What the register says From the firm's own filings with the SEC, which it must file accurately by law **$652M** assets it manages, 2 advisers combined Oct 2026 **Exempt** reporting adviser venture or small private funds - **Legal name:** Delos Advisors Limited - **SEC number:** CRD 320761 Funds on its Form ADV **7** private funds, **$298M** in gross assets · filed Aug 2024 - Delos Investment Fund II, L.P. *Private equity* 28 investors $238M - Delos Investment Fund, L.P. *Private equity* 34 investors $30M - Delos USF Co-Investors, L.P. *Private equity* 2 investors $15M - Delos LSI Co-Investors, L.P. *Private equity* 2 investors $8.1M - Delos USF Co-Investors II L.P. *Private equity* 1 investor $5.0M - Delos USF Lender Co-Investor L.P. *Private equity* 2 investors $1.9M - Delos Pioneer Co-Investors, L.P. *Private equity* 2 investors $463K ## What they claim to have backed From their own portfolio page (on their website) **9** of 24 we have independently watched raise [Atia Accommodating intraocular](https://millionrounds.com/company/atia-vision)[Curamir Genetic medicine](https://millionrounds.com/company/curamir-therapeutics)[Eccogene Leading platform](https://millionrounds.com/company/eccogene)[Ensoma In vivo](https://millionrounds.com/company/ensoma)[Imperative Interventional stroke](https://millionrounds.com/company/imperative-care)[Instylla Next-generation liquid](https://millionrounds.com/company/instylla)[Rejoni A solution](https://millionrounds.com/company/rejoni)[STRM.BIO Novel gene](https://millionrounds.com/company/strm)[TRexBio Advancing a](https://millionrounds.com/company/t-rex) Allecra Novel treatment Alpha-9 Oncology Targeted Altrubio Clinical stage Apbioinc Cardurion Pharmaceuticals Developing Clover Biopharmaceuticals I/O Curatia Interventional vascular products Hemo A leading Intrinsic Spinal implants LipoSeuticals Enhancement of Phanes Therapeutics Innovative Sirius Therapeutics Leading Truvic Innovative solutions Tulavi Neuro-modulation to Verge Medical Aorto-ostial Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded. ## Companies it bought Acquisitions by the firm itself **FCA Packaging** **Undisclosed** Jan 2015 New fund on file **$300M** raised in Jan 2022 From its SEC filing, not a journalist: a firm that has just raised has money to deploy. ## The cheque Series A Series B Growth Median round joined **$34M** the round, not its cheque Alone, median **$17M** Led 4 of 11 rounds **36%** - **Sole investor:** 2 rounds - **Last cheque:** Jun 2026 Rounds by stage said on their site - Series B said *4* - Series C *3* - Series A said *2* - Series D *1* - Venture *1* - Growth said *-* Cheques by month Led Joined Dec 2023 Nov 2026 Often in the room with - [Longitude Capital](https://millionrounds.com/fund/longitude-capital) 2 - [Rock Springs Capital](https://millionrounds.com/fund/rock-springs-capital) 2 **Pitching Delos Capital?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Who they invest alongside The investors most often in the same rounds as Delos Capital. A count of rooms they were both in, not a relationship either has claimed. [**Longitude Capital** VC firm **2** rounds together](https://millionrounds.com/fund/longitude-capital)[**Rock Springs Capital** Hedge fund **2** rounds together](https://millionrounds.com/fund/rock-springs-capital) ## Recently backed The latest companies Delos Capital put money into. [**Zenas BioPharma** $200M · May 2024](https://millionrounds.com/company/zenas-biopharma)[**Imperative Care** $85M · Dec 2019](https://millionrounds.com/company/imperative-care)[**Curamir Therapeutics** $10M · Sept 2019](https://millionrounds.com/company/curamir-therapeutics)[**OncoMyx Therapeutics** $25M · Jun 2019](https://millionrounds.com/company/oncomyx-therapeutics) ## Quick answers about Delos Capital ### What does Delos Capital invest in? Delos Capital invests most often at Series B and Series C (64% of the rounds on record), in sectors such as Connected-health, E-health and Mental Health. ### How active is Delos Capital? 11 investments on record, 1 of them in the last 12 months, and it led 4. The most recent was in Jun 2026. ### What has Delos Capital invested in recently? Its most recent investments on record: Rejoni (Venture, Jun 2026), TRex Bio (Series B, Nov 2024) and Zenas BioPharma (Series C, May 2024). ### How big are Delos Capital's cheques? The median round it joins is $34M. ### Does Delos Capital lead rounds? Yes: it led 4 of its 11 investments on record (36%). ### Where does Delos Capital invest? Most of the companies it backs are in the United States (82%), China (9%) and Germany (9%). ### Is Delos Capital investing now? Yes: it is actively investing, with 1 investments in the last 12 months. ### Who does Delos Capital invest alongside? Most often Longitude Capital (2 rounds together) and Rock Springs Capital (2 rounds together). ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=delos-capital) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=delos-capital)