Tamarack Global

tamarackglobal.com ↗Activity from announced rounds

All recorded activity

Tamarack Global backs technology companies across industrial manufacturing, energy, space and the application of AI to the physical world.

Technology investment across physical industries

Tamarack Global invests in entrepreneurs developing technologies and business models that can open new markets. Its published investment themes include energy, advanced manufacturing, space, defense technology and the intersection of AI with physical systems.

Funding activity recorded by RoundOS

RoundOS records Tamarack’s participation in Hark, Isembard and Poseidon Aerospace. Hark develops personal AI and computing hardware; Isembard builds software-led manufacturing operations; Poseidon develops autonomous cargo aircraft. These disclosed financings illustrate the firm’s activity captured in this database.

Sources
Rounds participated in
3
Confirmed lead rounds
1
2 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$761M
3 disclosed · full round size, not this investor’s share

By stage

Series A2
Seed1

By primary sector

AI1
Industrial tech1
Mobility1

By country

United States2
United Kingdom1

Rounds

3 in all activity
Poseidon Aerospace

Poseidon Aerospace is developing unmanned cargo aircraft for commercial freight and defense logistics. Its Egret short-takeoff-and-landing freighter and Heron seaplane are designed to move heavy loads between small, remote or water-based operating sites without an onboard pilot.

$11MSeed
Lead
Hark

Building advanced personalized intelligence and next-generation hardware for humans and machines

$700MSeries A
Role not disclosed
Isembard

Develops software to automate manufacturing of key component parts for industries

$50MSeries A
Role not disclosed