# Catalio Capital Management: portfolio, investments and team > Catalio Capital Management is a vc firm based in United States. 108 investments on record, 42 in the last 12 months, latest Oct 2026. Source: https://millionrounds.com/fund/catalio-capital-management (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Catalio Capital Management Last cheque observed Oct 2026; 108 cheques on record. Email Deploying now New fund $20M, Sept 2026 VC firm Seed Series A Series B Healthcare Drugs Ai-enabled Follow Catalio Capital Management and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fcatalio-capital-management) Deploying now **93%** of best year **42** **cheques in 12 months**, 108 on record Since the last cheque **8** days **00** hrs **00** min **00** sec Median round **$73M** Cheque size, as they say **$100K – $5.0M** Rounds led **4 of 108** Sole investor **10 rounds** Mostly in **United States, 88%** Pitch Catalio Capital Management ## Catalio Capital Management highlights - 01 42 cheques in the last 12 months - 02 Mostly Venture and Series B: 59% of its rounds - 03 Sole investor in 10 rounds, median $20M ## What they do > A New York based investment firm focused on the full lifecycle of innovative healthcare investing, across private, public and credit markets. From their own website - **Type:** VC firm (from a list, unverified) - **Cheque size:** $100K – $5.0M as they say - **Stages:** Seed Series A Series B Growth Pre-IPO - **Sectors:** Healthcare Drugs Ai-enabled - **Based in:** New York, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **108 appearances** - **2026** 35 rounds - **Oct** **[Star Therapeutics](https://millionrounds.com/company/star-therapeutics)** US · Pulse 2.0 **$200M** With 10 others - **Oct** **[ZAP Surgical Systems](https://millionrounds.com/company/zap-surgical-systems)** Growth · US · AI Insider **$36M** *Led* - **Sept** **[BigHat Biosciences](https://millionrounds.com/company/bighat-biosciences)** Series C · US · Kevin Moore **$75M** With 4 others - **Sept** **[Basecamp Research](https://millionrounds.com/company/basecamp-research)** Series C · GB · Ventureburn **$140M** With 17 others - **Sept** **[Stuut Technologies](https://millionrounds.com/company/stuut-technologies)** Series B · US · Ventureburn **$53M** *Led* - **Sept** **[Evvy](https://millionrounds.com/company/evvy)** Series B · US · TechCrunch **$40M** *Led* - **Sept** **[Enveda](https://millionrounds.com/company/enveda)** Series E · US **$311M** With 3 others - **Sept** **[IAMBIC](https://millionrounds.com/company/iambic)** Debt · US **$66M** With 5 others - **Sept** **[Avava](https://millionrounds.com/company/avava)** Venture · US **$30M** Sole investor - **Sept** **[OpenEvidence](https://millionrounds.com/company/openevidence)** Series E · US **$250M** With 4 others - **Aug** **[Georgiamune](https://millionrounds.com/company/georgiamune)** Series B · US **$93M** With 3 others - **Jul** **[AdvanCell](https://millionrounds.com/company/advancell)** Series D · AU · QRM Capital **$315M** With 16 others - **Jul** **[Claris Biotherapeutics](https://millionrounds.com/company/claris-biotherapeutics)** Series B · US **$118M** With 4 others - **Jul** **[Cambrian Biopharma](https://millionrounds.com/company/cambrian-biopharma)** Venture · US **$124M** With 4 others - **Jul** **[Leo Cancer Care](https://millionrounds.com/company/leo-cancer-care)** Series D · GB **$65M** With 2 others - **Jul** **[Ratio Therapeutics](https://millionrounds.com/company/ratio-therapeutics)** Series C · US **$70M** With 1 other - **Jun** **[Flourish](https://millionrounds.com/company/flourish)** Growth · US · Ventureburn **$500M** With 3 others - **Jun** **[Parabilis Medicines](https://millionrounds.com/company/parabilis-medicines)** US **$75M** With 4 others - **May** **[Thea](https://millionrounds.com/company/thea)** Pre-seed · US **$4.0M** With 3 others - **May** **[9amHealth](https://millionrounds.com/company/9amhealth)** Series B · US **$26M** With 3 others - **May** **[Cartography Biosciences](https://millionrounds.com/company/cartography-biosciences)** Venture · US **Undisclosed** With 4 others - **May** **[ArriVent](https://millionrounds.com/company/arrivent)** US **$250M** With 4 others - **May** **[Odyssey Therapeutics](https://millionrounds.com/company/odyssey-therapeutics)** US **$25M** With 4 others - **Apr** **[Spiral Therapeutics](https://millionrounds.com/company/spiral-therapeutics)** Series B · US · LifeLink Ventures **$27M** With 1 other - **Apr** **[Beacon Biosignals](https://millionrounds.com/company/beacon-biosignals)** Series B · US **$11M** With 3 others - **Mar** **[Imperative Care, Inc.](https://millionrounds.com/company/imperative-care-inc)** US · Elevage Medical Technologies **$100M** With 6 others - **Mar** **[Hyperfine](https://millionrounds.com/company/hyperfine)** Debt · US **$40M** With 1 other - **Mar** **[Avava](https://millionrounds.com/company/avava)** Series D · US **$20M** Sole investor - **Mar** **[Dianthus Therapeutics](https://millionrounds.com/company/dianthus-therapeutics)** US **$719M** With 3 others - **Feb** **[Somethings](https://millionrounds.com/company/somethings)** Series A · US · AlleyWatch **$19M** *Led* - **Feb** **[COMPASS Pathways](https://millionrounds.com/company/compass-pathways)** GB **$200M** With 4 others - **Feb** **[ProSomnus Sleep Technologies](https://millionrounds.com/company/prosomnus-sleep-technologies)** Venture · US **$38M** Sole investor - **Jan** **[Parabilis Medicines](https://millionrounds.com/company/parabilis-medicines)** Series F · US **$305M** With 4 others - **Jan** **[PrognomiQ](https://millionrounds.com/company/prognomiq)** Venture · US **$12M** With 4 others - **Jan** **[Lila Sciences](https://millionrounds.com/company/lila-sciences)** Grant · US **$671K** With 3 others - **2025** 35 rounds - **Dec** **[Sidera Bio](https://millionrounds.com/company/sidera-bio)** Series A · DK **$109M** With 3 others - **Dec** **[Protara Therapeutics](https://millionrounds.com/company/protara-therapeutics)** US **$75M** With 2 others - **Dec** **[Medra AI](https://millionrounds.com/company/medra-ai)** Series A · US **$52M** With 5 others - **Nov** **[Beacon Biosignals](https://millionrounds.com/company/beacon-biosignals)** Series B · US **$86M** With 8 others - **Nov** **[Freenome](https://millionrounds.com/company/freenome)** Venture · US **$75M** With 4 others 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** GP **George Petrocheilos** Executive Officer i Filing they signed GP **Georgios Petrocheilos** Manager and Member of the Manager i Filing they signed OE **Olga Eduardovna Maltseva** Chief Compliance Officer and Head of Operations i Form ADV RJ **R. Jacob Vogelstein** Manager and Member of the Manager i Filing they signed RJ **Rachel Jacob Vogelstein** Manager and Member of Manager i Filing they signed We also hold **79** 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 **$2.2B** assets it manages Oct 2026 **Registered** investment adviser full reporting to the SEC - **Legal name:** Catalio Capital Management, LP - **SEC number:** CRD 310374 Funds on its Form ADV **15** private funds, **$1.0B** in gross assets · filed Mar 2024 Venture **9** Private equity **3** Hedge **1** - Catalio Nexus Fund III, L.P. *Private equity* 327 investors $365M - Catalio Nexus Fund IV, L.P. *Private equity* 166 investors $191M - Catalio Public Equities Master Fund, L.P. *Hedge* 59 investors $109M - Catalio Nexus Fund II, L.P. *Private equity* 151 investors $88M - Catalio Structured Opportunities Fund I L.P. *Private credit* 83 investors $55M - Catalio Genesis Fund I, LLC *Venture* 54 investors $47M - Catalio Genesis Fund II, LLC *Venture* 100 investors $43M - Catalio Genesis Fund III, LLC *Venture* 77 investors $36M - Catalio Structured Opportunities AIV I L.P. *Structured credit* 80 investors $31M - Catalio Access Fund V, LLC *Venture* 60 investors $15M And 5 more on the filing. New fund on file **$20M** raised in Sept 2026 From its SEC filing, not a journalist: a firm that has just raised has money to deploy. ## The cheque Seed Series A Series B Median round joined **$73M** the round, not its cheque Alone, median **$20M** Led 4 of 108 rounds **4%** - **Said size:** $100K – $5.0M - **Sole investor:** 10 rounds - **Last cheque:** Oct 2026 Rounds by stage said on their site - Venture *26* - Series B said *21* - Series A said *17* - Series D *11* - Grant *5* - Seed said *-* - Growth said *-* Cheques by month Led Joined Nov 2023 Oct 2026 Often in the room with - [General Catalyst](https://millionrounds.com/fund/general-catalyst) 17 - [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) 17 - [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) 10 - [Lux Capital](https://millionrounds.com/fund/lux-capital) 9 - [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) 8 - [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) 8 **Pitching Catalio Capital Management?** 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 Catalio Capital Management. A count of rooms they were both in, not a relationship either has claimed. [**General Catalyst** VC firm **17** rounds together](https://millionrounds.com/fund/general-catalyst)[**RA Capital Management** Private equity **17** rounds together](https://millionrounds.com/fund/ra-capital-management)[**Alumni Ventures** VC firm **10** rounds together](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)[**Lux Capital** VC firm **9** rounds together](https://millionrounds.com/fund/lux-capital)[**Andreessen Horowitz** VC firm **8** rounds together](https://millionrounds.com/fund/andreessen-horowitz)[**Janus Henderson Investors** Private equity **8** rounds together](https://millionrounds.com/fund/janus-henderson-investors)[**S32** VC firm **8** rounds together](https://millionrounds.com/fund/s32)[**8VC** VC firm **7** rounds together](https://millionrounds.com/fund/8vc)[**ARCH Venture Partners** VC firm **7** rounds together](https://millionrounds.com/fund/arch-venture-partners)[**Eli Lilly** Corporate VC **7** rounds together](https://millionrounds.com/fund/eli-lilly)[**Gaingels** Private equity **7** rounds together](https://millionrounds.com/fund/gaingels)[**Polaris Partners** VC firm **7** rounds together](https://millionrounds.com/fund/polaris-partners) ## Recently backed The latest companies Catalio Capital Management put money into. [**Star Therapeutics** $200M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**BigHat Biosciences** $75M · Sept 2026](https://millionrounds.com/company/bighat-biosciences)[**Basecamp Research** $140M · Sept 2026](https://millionrounds.com/company/basecamp-research)[**Evvy** $40M · Sept 2026](https://millionrounds.com/company/evvy)[**Enveda** $311M · Sept 2026](https://millionrounds.com/company/enveda)[**IAMBIC** $66M · Sept 2026](https://millionrounds.com/company/iambic) ## Quick answers about Catalio Capital Management ### What does Catalio Capital Management invest in? Catalio Capital Management invests most often at Venture and Series B (59% of the rounds on record), in sectors such as Healthcare, Drugs and Ai-enabled. ### How active is Catalio Capital Management? 108 investments on record, 42 of them in the last 12 months, and it led 4. The most recent was in Oct 2026. ### What has Catalio Capital Management invested in recently? Its most recent investments on record: Star Therapeutics (Undisclosed round, Oct 2026), ZAP Surgical Systems (Growth, Oct 2026) and BigHat Biosciences (Series C, Sept 2026). ### How big are Catalio Capital Management's cheques? The median round it joins is $73M. It says it writes cheques of $100K to $5.0M. ### Does Catalio Capital Management lead rounds? Sometimes: it led 4 of its 108 investments on record (4%). ### Where does Catalio Capital Management invest? Most of the companies it backs are in the United States (88%) and the United Kingdom (8%). ### Is Catalio Capital Management investing now? Yes: it is actively investing, with 42 investments in the last 12 months. ### Who does Catalio Capital Management invest alongside? Most often General Catalyst (17 rounds together), RA Capital Management (17 rounds together) and Alumni Ventures (10 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=catalio-capital-management) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=catalio-capital-management)