# 4BIO Capital: portfolio, investments and team > 4BIO Capital is a vc firm based in United Kingdom. 10 investments on record, 5 in the last 12 months, latest Oct 2026. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/4bio-capital (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Investor](https://millionrounds.com/investors) # 4BIO Capital Last cheque observed Oct 2026; 10 cheques on record. Email Deploying now New fund $10M, Jul 2026 VC firm Seed Series A Series B Metabolites Life Sciences Tools Gene Follow 4BIO Capital and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2F4bio-capital) Deploying now **100%** of best year **5** **cheques in 12 months**, 10 on record Since the last cheque **19** days **00** hrs **00** min **00** sec Median round **$61M** Rounds led **7 of 10** Mostly in **United Kingdom, 63%** Pitch 4BIO Capital ## 4BIO Capital highlights - 01 5 cheques in the last 12 months - 02 Mostly Series A and Seed: 70% of its rounds - 03 Led 7 rounds ## What they do > WE ARE A LONDON-BASED FIRM INVESTING IN LIFE SCIENCES VENTURE CAPITAL From their own website - **Type:** VC firm (from a list, unverified) - **Cheque size:** Not stated - **Stages:** Seed Series A Series B Growth - **Sectors:** Metabolites Life Sciences Tools Gene - **Based in:** London, United Kingdom - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **10 appearances** - **2026** 5 rounds - **Oct** **[Undecimal Bio](https://millionrounds.com/company/undecimal-bio)** Seed · 4BIO Capital **$18M** *Led* - **Sept** **[Aptadir Therapeutics](https://millionrounds.com/company/aptadir-therapeutics)** Seed · GB · 4BIO Capital **$46M** *Led* - **Sept** **[Cloverleaf Bio](https://millionrounds.com/company/cloverleaf-bio)** Seed · 4BIO Capital **$33M** *Led* - **May** **[Cytospire Therapeutics](https://millionrounds.com/company/cytospire-therapeutics)** Series A · GB · Ventureburn **$83M** *Led* - **Apr** **[Ray Therapeutics](https://millionrounds.com/company/ray-therapeutics)** Series B · US · 4BIO Capital **$125M** With 10 others - **2025** 2 rounds - **Oct** **[Trogenix Ltd](https://millionrounds.com/company/trogenix-ltd)** Series A · GB · 4BIO Capital **$94M** With 7 others - **Jul** **[Actithera](https://millionrounds.com/company/actithera)** Series A · GB · 4BIO Capital **$76M** *Led* - **2024** 1 round - **Oct** **[March Biosciences](https://millionrounds.com/company/march-biosciences)** Series A · US · 4BIO Capital **$28M** *Led* - **2022** 1 round - **Jun** **[LUCA Science](https://millionrounds.com/company/luca-science)** Series B · JP · Firms' own news pages **$29M** *Led* - **2017** 1 round - **Dec** **[Orchard](https://millionrounds.com/company/orchard)** Series B · GB · FinSMEs **$110M** With 8 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 **4 named** AK **Andrey Kozlov** Managing Partner i Form ADV DA **Dmitry Andrew Kuzmin** Managing Partner i Form ADV KM **Kieran Mudryy** Partner, General Counsel, Chief Compliance Officer i Form ADV K& **Kyrylo "Kieran" Mudryy** Partner i Filing they signed We also hold **23** 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 **$264M** gross assets of its funds Oct 2026 **Exempt** reporting adviser venture or small private funds - **Legal name:** 4bio Partners LLP - **SEC number:** CRD 314372 Funds on its Form ADV **4** private funds, **$167M** in gross assets · filed Oct 2024 Private equity **2** Liquidity **2** - 4BIO Ventures II L.P. *Private equity* 60 investors $110M - 4BIO Ventures III L.P. *Private equity* 16 investors $49M - 4BIO Advanced Therapies Fund ICAV *Liquidity* 1 investor $4.2M - 4BIO Advanced Therapies LONG Equity Fund *Liquidity* 6 investors $4.2M Who backs their funds ## 1 LP on record in 4BIO Capital's funds - **Funds:** 1 The institutions that put money into its funds, which the firm then invests in companies. Source: an LP list. - [**Concentric** 1 fund](https://millionrounds.com/fund/concentric) Fund Vintage Committed 4Bio Capital - - ## What they claim to have backed From their own portfolio page (on their website) **0** of 1 we have independently watched raise Bvca 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. New fund on file **$10M** raised in Jul 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 **$61M** the round, not its cheque Led 7 of 10 rounds **70%** - **Sole investor:** Never alone - **Last cheque:** Oct 2026 Rounds by stage said on their site - Series A said *4* - Seed said *3* - Series B said *3* - Growth said *-* Cheques by month Led Joined Nov 2023 Oct 2026 Often in the room with - [IQ Capital](https://millionrounds.com/fund/iq-capital) 2 - [Kerna Ventures](https://millionrounds.com/fund/kerna-ventures) 2 - [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) 2 - [Modi Ventures](https://millionrounds.com/fund/modi-ventures) 2 **Pitching 4BIO 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 4BIO Capital. A count of rooms they were both in, not a relationship either has claimed. [**IQ Capital** VC firm **2** rounds together](https://millionrounds.com/fund/iq-capital)[**Kerna Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/kerna-ventures)[**Mission BioCapital** VC firm **2** rounds together](https://millionrounds.com/fund/mission-biocapital)[**Modi Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/modi-ventures) ## Recently backed The latest companies 4BIO Capital put money into. [**Aptadir Therapeutics** $46M · Sept 2026](https://millionrounds.com/company/aptadir-therapeutics)[**Cloverleaf Bio** $33M · Sept 2026](https://millionrounds.com/company/cloverleaf-bio)[**Actithera** $76M · Jul 2025](https://millionrounds.com/company/actithera)[**March Biosciences** $28M · Oct 2024](https://millionrounds.com/company/march-biosciences) ## Quick answers about 4BIO Capital ### What does 4BIO Capital invest in? 4BIO Capital invests most often at Series A and Seed (70% of the rounds on record), in sectors such as Metabolites, Life Sciences Tools and Gene. ### How active is 4BIO Capital? 10 investments on record, 5 of them in the last 12 months, and it led 7. The most recent was in Oct 2026. ### What has 4BIO Capital invested in recently? Its most recent investments on record: Undecimal Bio (Seed, Oct 2026), Aptadir Therapeutics (Seed, Sept 2026) and Cloverleaf Bio (Seed, Sept 2026). ### How big are 4BIO Capital's cheques? The median round it joins is $61M. ### Does 4BIO Capital lead rounds? Yes: it led 7 of its 10 investments on record (70%). ### Where does 4BIO Capital invest? Most of the companies it backs are in the United Kingdom (63%), the United States (25%) and Japan (13%). ### Is 4BIO Capital investing now? Yes: it is actively investing, with 5 investments in the last 12 months. ### Who does 4BIO Capital invest alongside? Most often IQ Capital (2 rounds together), Kerna Ventures (2 rounds together) and Mission BioCapital (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=4bio-capital) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=4bio-capital)