Investor

Jefferson Life Sciences

Last cheque observed Oct 2026; 5 cheques on record.

Deploying nowFamily office

SeedSeries ASeries BTherapeuticsBiotechHealthcare

Deploying now
100%of best year4cheques in 12 months, 5 on record
Since the last cheque11days00hrs00min00sec
Median round$65MRounds led1 of 5Mostly inUnited States, 60%
Pitch Jefferson Life Sciences

Jefferson Life Sciences highlights

  1. 01

    4 cheques in the last 12 months

  2. 02

    Mostly Series B and Series A: 80% of its rounds

  3. 03

    Led 1 rounds

What they do

part of Jefferson River Capital, is an investment firm committed to advancing transformative innovations in medicine.From their own website
Type
Family office
Cheque size
Not stated
Stages
SeedSeries ASeries BGrowth
Sectors
TherapeuticsBiotechHealthcare
Cold pitches
Not accepted

The record

Every round we can evidence, newest first5 appearances

  1. 2026

    4 rounds

  2. Oct
    OMass TherapeuticsSeries C · GB · Jefferson Life Sciences$310MWith 12 others
  3. Jul
    Draig TherapeuticsSeries B · GB · Jefferson Life Sciences$65MWith 6 others
  4. Jun
  5. Jan
    Juvena TherapeuticsSeries B · US · Jefferson Life Sciences$34MWith 6 others
  6. 2025

    1 round

  7. Jul
    Character BiosciencesSeries B · US · Jefferson Life Sciences$93MWith 7 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 they claim to have backed

From their own portfolio page (on their website)

1 of 6 we have independently watched raise

BlackstoneAscenta CapitalDevelopersMubadalaSafar PartnersaMoon

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.

Who they invest alongside

The investors most often in the same rounds as Jefferson Life Sciences. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies Jefferson Life Sciences put money into.

Quick answers about Jefferson Life Sciences

What does Jefferson Life Sciences invest in?

Jefferson Life Sciences invests most often at Series B and Series A (80% of the rounds on record), in sectors such as Therapeutics, Biotech and Healthcare.

How active is Jefferson Life Sciences?

5 investments on record, 4 of them in the last 12 months, and it led 1. The most recent was in Oct 2026.

What has Jefferson Life Sciences invested in recently?

Its most recent investments on record: OMass Therapeutics (Series C, Oct 2026), Draig Therapeutics (Series B, Jul 2026) and Fesarius Therapeutics (Series A, Jun 2026).

How big are Jefferson Life Sciences's cheques?

The median round it joins is $65M.

Does Jefferson Life Sciences lead rounds?

Yes: it led 1 of its 5 investments on record (20%).

Where does Jefferson Life Sciences invest?

Most of the companies it backs are in the United States (60%) and the United Kingdom (40%).

Is Jefferson Life Sciences investing now?

Yes: it is actively investing, with 4 investments in the last 12 months.

Who does Jefferson Life Sciences invest alongside?

Most often British Business Bank (2 rounds together), Janus Henderson Investors (2 rounds together) and SV Health Investors (2 rounds together).

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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