# OSS Capital L.P.: portfolio, investments and team > OSS Capital L.P. is a vc firm based in United States. 3 investments on record, latest Aug 2025. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/oss-capital (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # OSS Capital L.P. Filed with the SEC to raise a fund in Aug 2025. Last cheque observed Aug 2025. Email VC firm Quiet New fund, Aug 2025 Pre-seed Seed Series A Productivity Tools Collaboration Tools SaaS Follow OSS Capital L.P. and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Foss-capital) Cheques on record **0%** of best year **0** **cheques in 12 months**, 3 on record Since the last cheque **461** days **00** hrs **00** min **00** sec Median round **$11M** Rounds led **2 of 3** Pitch OSS Capital L.P. ## OSS Capital L.P. highlights - 01 3 rounds on record - 02 Mostly Series A and Pre-seed: 100% of its rounds - 03 Led 2 rounds ## What they do > OSS Capital is the first and only early-stage VC exclusively dedicated to backing leading COSS (commercial open source) startup founders on a global basis since 2018. From their own website - **Type:** VC firm (from a list, unverified) - **Cheque size:** Not stated - **Stages:** Pre-seed Seed Series A Series B - **Sectors:** Productivity Tools Collaboration Tools SaaS - **Based in:** San Francisco, United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **3 appearances** - **2025** 2 rounds - **Aug** **[Comp AI](https://millionrounds.com/company/comp-ai)** Pre-seed · US · TechStartups **$2.6M** *Led* - **Jul** **[Manifold Labs](https://millionrounds.com/company/manifold-labs)** Series A · OSS Capital L.P. **$11M** *Led* - **2019** 1 round - **Nov** **[Dev](https://millionrounds.com/company/dev)** Series A · US · FinSMEs **$12M** With 2 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 **1 named** JA **Joseph Abraham Jacks** Managing Member of the General Partner i Filing they signed We also hold **4** 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 **$462M** gross assets of its funds Oct 2026 **Exempt** reporting adviser venture or small private funds - **Legal name:** OSS Capital, LLC - **SEC number:** CRD 314805 New fund on file **Raised** a new fund in Aug 2025 From its SEC filing, not a journalist: a firm that has just raised has money to deploy. ## The cheque Pre-seed Seed Series A Median round joined **$11M** the round, not its cheque Led 2 of 3 rounds **67%** - **Sole investor:** Never alone - **Last cheque:** Aug 2025 Rounds by stage said on their site - Series A said *2* - Pre-seed said *1* - Seed said *-* - Series B said *-* Cheques by month Led Joined Dec 2023 Nov 2026 **Pitching OSS Capital L.P.?** 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 *→* ## Recently backed The latest companies OSS Capital L.P. put money into. [**Manifold Labs** $11M · Jul 2025](https://millionrounds.com/company/manifold-labs)[**Dev** $12M · Nov 2019](https://millionrounds.com/company/dev) ## Quick answers about OSS Capital L.P. ### What does OSS Capital L.P. invest in? OSS Capital L.P. invests most often at Series A and Pre-seed (100% of the rounds on record), in sectors such as Productivity Tools, Collaboration Tools and SaaS. ### How active is OSS Capital L.P.? 3 investments on record, 0 of them in the last 12 months, and it led 2. The most recent was in Aug 2025. ### What has OSS Capital L.P. invested in recently? Its most recent investments on record: Comp AI (Pre-seed, Aug 2025), Manifold Labs (Series A, Jul 2025) and Dev (Series A, Nov 2019). ### How big are OSS Capital L.P.'s cheques? The median round it joins is $11M. ### Is OSS Capital L.P. investing now? No investments in the last 12 months; the latest was in Aug 2025. ### What kind of investor is OSS Capital L.P.? OSS Capital L.P. is a VC firm based in San Francisco, United States. ### How much does OSS Capital L.P. manage? About $462M, as gross assets of its private funds (Oct 2026). ### Has OSS Capital L.P. raised a new fund? Its latest fund filing with the SEC was in Aug 2025. ## 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=oss-capital) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=oss-capital)