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.

United States · Investor
Last cheque observed Jul 2026; 2 cheques on record.
VC firmDeploying nowLast fund $17M, Sept 2024
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2 cheques in the last 12 months
Mostly Series A and Series D: 100% of its rounds
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
Every round we can evidence, newest first2 appearances
2 rounds
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.
From the firm's own filings with the SEC, which it must file accurately by law
From their own portfolio page (on their website)
ForeCuriobioscience
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 latest companies Primer Ventures put money into.
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.
2 investments on record, 2 of them in the last 12 months. The most recent was in Jul 2026.
Its most recent investments on record: FORE Biotherapeutics (Series D, Jul 2026) and Countable Labs (Series A, May 2026).
The median round it joins is $47M.
Yes: it is actively investing, with 2 investments in the last 12 months.
Primer Ventures is a VC firm based in Palo Alto, United States.
About $31M, as gross assets of its private funds (Oct 2026).
Its latest fund filing with the SEC was in Sept 2024, reporting $17M raised.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it