Polaris Partners

Activity from announced rounds

Activity in this selectionOct 24, 2026 · Biotech · Jan 1, 2026
Rounds participated in
5
Confirmed lead rounds
0
4 roles undisclosed
New companies
5
First participation on record · 0 follow-on
Funding in participating rounds
$386M
5 disclosed · full round size, not this investor’s share

By stage

Series B3
Series A1
Undisclosed1

By primary sector

Biotech5

By country

United States5

Rounds

5 in this selection
Soufflé Therapeutics

Soufflé Therapeutics develops targeted RNA medicines for patients with muscle disorders and heart failure.

$135MSeries B
Participant
TRex Bio

Develops precision immunoregulatory medicines based on tissue Treg biology

$50MUndisclosed
Role not disclosed
EpiBiologics

Develops bispecific antibodies for targeted degradation of extracellular proteins.

$107MSeries B
Role not disclosed