# Primer Ventures: portfolio, investments and team > Primer Ventures is a vc firm based in United States. 2 investments on record, 2 in the last 12 months, latest Jul 2026. Source: https://millionrounds.com/fund/primer-ventures (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Primer Ventures Last cheque observed Jul 2026; 2 cheques on record. Email VC firm Deploying now Last fund $17M, Sept 2024 Seed Series A Life Science Tools Therapeutics Genomics Follow Primer Ventures and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fprimer-ventures) Deploying now **100%** of best year **2** **cheques in 12 months**, 2 on record Since the last cheque **121** days **00** hrs **00** min **00** sec Median round **$47M** Rounds led **0 of 2** Pitch Primer Ventures ## Primer Ventures highlights - 01 2 cheques in the last 12 months - 02 Mostly Series A and Series D: 100% of its rounds ## What they do > We focus on investing in breakthrough innovations and vast market opportunities in the fields of life science tools and therapeutics at early stage. From their own website - **Type:** VC firm - **Cheque size:** Not stated - **Stages:** Seed Series A - **Sectors:** Life Science Tools Therapeutics Genomics - **Based in:** Palo Alto, United States - **Cold pitches:** Not accepted ## The record Every round we can evidence, newest first **2 appearances** - **2026** 2 rounds - **Jul** **[FORE Biotherapeutics](https://millionrounds.com/company/fore-biotherapeutics)** Series D · US · Ventureburn **$67M** With 15 others - **May** **[Countable Labs](https://millionrounds.com/company/countable-labs)** Series A · Ventureburn **$26M** 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. ## What the register says From the firm's own filings with the SEC, which it must file accurately by law **$31M** gross assets of its funds Oct 2026 **Exempt** reporting adviser venture or small private funds - **Legal name:** Primer Management, LLC - **SEC number:** CRD 327512 ## What they claim to have backed From their own portfolio page (on their website) **1** of 2 we have independently watched raise [Fore](https://millionrounds.com/company/fore-biotherapeutics) Curiobioscience 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. Latest fund on file **$17M** raised in Sept 2024 From its SEC filing. Nothing newer is on file yet. ## The cheque Seed Series A Median round joined **$47M** the round, not its cheque Led 0 of 2 rounds **0%** - **Sole investor:** Never alone - **Last cheque:** Jul 2026 Rounds by stage said on their site - Series A said *1* - Series D *1* - Seed said *-* Cheques by month Led Joined Dec 2023 Nov 2026 **Pitching Primer 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 *→* ## Recently backed The latest companies Primer Ventures put money into. [**FORE Biotherapeutics** $67M · Jul 2026](https://millionrounds.com/company/fore-biotherapeutics)[**Countable Labs** $26M · May 2026](https://millionrounds.com/company/countable-labs) ## Quick answers about Primer Ventures ### What does Primer Ventures invest in? Primer Ventures invests most often at Series A and Series D (100% of the rounds on record), in sectors such as Life Science Tools, Therapeutics and Genomics. ### How active is Primer Ventures? 2 investments on record, 2 of them in the last 12 months. The most recent was in Jul 2026. ### What has Primer Ventures invested in recently? Its most recent investments on record: FORE Biotherapeutics (Series D, Jul 2026) and Countable Labs (Series A, May 2026). ### How big are Primer Ventures's cheques? The median round it joins is $47M. ### Is Primer Ventures investing now? Yes: it is actively investing, with 2 investments in the last 12 months. ### What kind of investor is Primer Ventures? Primer Ventures is a VC firm based in Palo Alto, United States. ### How much does Primer Ventures manage? About $31M, as gross assets of its private funds (Oct 2026). ### Has Primer Ventures raised a new fund? Its latest fund filing with the SEC was in Sept 2024, reporting $17M raised. ## 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=primer-ventures) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=primer-ventures)