United States · Investor

Primer Ventures

Last cheque observed Jul 2026; 2 cheques on record.

VC firmDeploying nowLast fund $17M, Sept 2024

SeedSeries ALife Science ToolsTherapeuticsGenomics

Deploying now
100%of best year2cheques in 12 months, 2 on record
Since the last cheque121days00hrs00min00sec
Median round$47MRounds led0 of 2
Pitch Primer Ventures

Primer Ventures highlights

  1. 01

    2 cheques in the last 12 months

  2. 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
SeedSeries A
Sectors
Life Science ToolsTherapeuticsGenomics
Based in
Palo Alto, United States
Cold pitches
Not accepted

The record

Every round we can evidence, newest first2 appearances

  1. 2026

    2 rounds

  2. Jul
    FORE BiotherapeuticsSeries D · US · Ventureburn$67MWith 15 others
  3. May
    Countable LabsSeries A · Ventureburn$26MWith 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

$31Mgross assets of its fundsOct 2026
Exemptreporting adviserventure 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

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.

Recently backed

The latest companies Primer Ventures put money into.

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?

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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