# Fine Structure Ventures: portfolio, investments and team > Fine Structure Ventures is a vc firm based in United States. 4 investments on record, 2 in the last 12 months, latest Sept 2026. Source: https://millionrounds.com/fund/fine-structure-ventures (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Fine Structure Ventures Last cheque observed Sep 2026; 4 cheques on record. Email VC firm Deploying now Pre-seed Seed Series A Science Technology Follow Fine Structure Ventures and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Ffine-structure-ventures) Deploying now **100%** of best year **2** **cheques in 12 months**, 4 on record Since the last cheque **64** days **00** hrs **00** min **00** sec Median round **$80M** Rounds led **0 of 4** Pitch Fine Structure Ventures ## Fine Structure Ventures highlights - 01 2 cheques in the last 12 months - 02 Mostly Series A and Series B: 100% of its rounds ## What they do > Venture capital for disruptive scientific innovation From their own website - **Type:** VC firm - **Cheque size:** Not stated - **Stages:** Pre-seed Seed Series A Series B Growth - **Sectors:** Science Technology - **Based in:** Cambridge, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **4 appearances** - **2026** 2 rounds - **Sept** **[iPronics](https://millionrounds.com/company/ipronics)** Series B · ES · Amadeus Capital Partners **$125M** With 11 others - **Feb** **[DG Matrix](https://millionrounds.com/company/dg-matrix)** Series A · US · TechCrunch **$60M** With 8 others - **2025** 1 round - **Aug** **[Aalo Atomics](https://millionrounds.com/company/aalo-atomics)** Series B · US · TechCrunch **$100M** With 15 others - **2024** 1 round - **Sept** **[Constructive Bio](https://millionrounds.com/company/constructive-bio)** Series A · GB · Ahren Innovation Capital **$58M** With 5 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 **9 named** AP **Abigail Pierrepont Johnson** Director, Sole Trustee of Shm a1 Trust, Sole Trustee of Shm a2 Trust i Form ADV DS **David Samuel Guy** Chief Compliance Officer i Form ADV EC **Edward Crosby Johnson Iv** Director, Sole Trustee of Shm E1 Trust, Sole Trustee of Shm E2 Trust i Form ADV EL **Elizabeth Livingston Johnson** Sole Trustee of Shm B1 Trust i Form ADV GJ **Gerard John Mcgraw** Director i Form ADV JJ **John Joseph Remondi** Sole Trustee of Shm B2 Trust i Form ADV MD **Matthew David Borden** Chief Financial Officer i Form ADV MJ **Matthew Joseph Wick** Treasurer, Vice President i Form ADV SK **Suzanne Kristina Streeter** President, Director i Form ADV We also hold **9** 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 **$13B** assets it manages Oct 2026 **Registered** investment adviser full reporting to the SEC - **Legal name:** Impresa Management LLC - **SEC number:** CRD 168741 Funds on its Form ADV **39** private funds, **$15B** in gross assets · filed Mar 2024 Venture **32** Private equity **7** - Impresa Fund III L.P. *Private equity* 171 investors $3.0B - Impresa Fund IV LLC *Private equity* 290 investors $2.8B - FMR Capital Holdings LLC *Private equity* 290 investors $2.5B - F-Prime Capital Partners Life Sciences Fund VII L.P. *Venture* 3 investors $736M - F-Prime Capital Partners Healthcare Fund V L.P. *Venture* 3 investors $604M - 42 North Resource Partners II L.P. *Private equity* 2 investors $572M - F-Prime Capital Partners Life Sciences Fund VIII L.P. *Venture* 3 investors $501M - Impresa Fund V *Private equity* 219 investors $485M - 42 North Resource Partners L.P. *Private equity* 2 investors $394M - F-Prime Capital Partners Tech Fund II L.P. *Venture* 3 investors $370M And 29 more on the filing. ## What they claim to have backed From their own portfolio page (on their website) **14** of 26 we have independently watched raise [Aalo](https://millionrounds.com/company/aalo-atomics)[Ambientphotonics](https://millionrounds.com/company/ambient-photonics)[Bostonmetal](https://millionrounds.com/company/boston-metal)[Gspacetech](https://millionrounds.com/company/gilmour-space-technologies)[Hoxtonfarms](https://millionrounds.com/company/hoxton-farms)[Ipronics](https://millionrounds.com/company/ipronics)[Mainspringenergy](https://millionrounds.com/company/mainspring-energy)[Nitricity](https://millionrounds.com/company/nitricity)[Osmoses](https://millionrounds.com/company/osmoses)[Phytoformlabs](https://millionrounds.com/company/phytoform-labs)[Sepiontechnologies](https://millionrounds.com/company/sepion-technologies)[Veir](https://millionrounds.com/company/veir)[constructive.bio](https://millionrounds.com/company/constructive-bio)[quaise.energy](https://millionrounds.com/company/quaise-energy) Debutbiotech F-Prime Femto Feonenergy Finwavesemi Mantle3d Nulixir Pallidus Ph7technologies Radianaerospace cfs.energy hedron.space 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. ## The cheque Pre-seed Seed Series A Median round joined **$80M** the round, not its cheque Led 0 of 4 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Sept 2026 Rounds by stage said on their site - Series A said *2* - Series B said *2* - Pre-seed said *-* - Seed said *-* - Growth said *-* Cheques by month Led Joined Dec 2023 Nov 2026 Often in the room with - [MCJ](https://millionrounds.com/fund/mcj) 2 **Pitching Fine Structure Ventures?** 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 Fine Structure Ventures. A count of rooms they were both in, not a relationship either has claimed. [**MCJ** VC firm **2** rounds together](https://millionrounds.com/fund/mcj) ## Recently backed The latest companies Fine Structure Ventures put money into. [**iPronics** $125M · Sept 2026](https://millionrounds.com/company/ipronics)[**DG Matrix** $60M · Feb 2026](https://millionrounds.com/company/dg-matrix)[**Aalo Atomics** $100M · Aug 2025](https://millionrounds.com/company/aalo-atomics)[**Constructive Bio** $58M · Sept 2024](https://millionrounds.com/company/constructive-bio) ## Mentioned on podcasts Episodes that name Fine Structure Ventures in their description, not their title. - [Inevitable](https://millionrounds.com/podcasts/inevitable) 18 Jul 2024 · 50 min Startup Series: Hoxton Farms’ Cruelty-Free Fats Mentions [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund)[Fine Structure Ventures](https://millionrounds.com/fund/fine-structure-ventures) Apple PodcastsShow page ## Quick answers about Fine Structure Ventures ### What does Fine Structure Ventures invest in? Fine Structure Ventures invests most often at Series A and Series B (100% of the rounds on record), in sectors such as Science and Technology. ### How active is Fine Structure Ventures? 4 investments on record, 2 of them in the last 12 months. The most recent was in Sept 2026. ### What has Fine Structure Ventures invested in recently? Its most recent investments on record: iPronics (Series B, Sept 2026), DG Matrix (Series A, Feb 2026) and Aalo Atomics (Series B, Aug 2025). ### How big are Fine Structure Ventures's cheques? The median round it joins is $80M. ### Is Fine Structure Ventures investing now? Yes: it is actively investing, with 2 investments in the last 12 months. ### Who does Fine Structure Ventures invest alongside? Most often MCJ (2 rounds together). ### What kind of investor is Fine Structure Ventures? Fine Structure Ventures is a VC firm based in Cambridge, United States. ### How much does Fine Structure Ventures manage? About $13B, as regulatory assets under management (Oct 2026). ## 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=fine-structure-ventures) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=fine-structure-ventures)