Bain Capital

Activity from announced rounds

Activity in this selectionOct 25, 2026 · North America · Jan 1, 2026
Rounds participated in
4
Confirmed lead rounds
0
3 roles undisclosed
New companies
3
First participation on record · 1 follow-on
Funding in participating rounds
$562.3M
3 disclosed · full round size, not this investor’s share

By stage

Series A2
Series B1
Undisclosed1

By primary sector

Biotech1
Climate tech1
Defense tech1
Hardware1

By country

United States4

Rounds

4 in this selection
Oratomic

Builds quantum computers using lasers to hold individual atoms in place

$300MSeries A
Role not disclosed
Beeline Medicines

Beeline Medicines develops clinical-stage therapies that target immune dysfunction in lupus and other autoimmune and inflammatory diseases.

$126.3MSeries A extension
Participant
Duravent Group

Duravent Group provides venting and air-quality products for HVAC professionals.

UndisclosedStrategic
Role not disclosed
Defense Unicorns

Develops secure software delivery for national security mission systems

$136MSeries B
Role not disclosed