Exit
Sierra acquired Takeoff, a portfolio company Matrix invested in via its $15M round in June 2026. Takeoff built long-horizon autonomous AI agents and was nearing $10M ARR at the time of acquisition by Sierra.
Takeoff
JUL 23, 2026
4 investments· FEB 2026 – JUN 2026
Investment
Matrix invested in Takeoff's $15M funding round alongside Lachy Groom. Takeoff builds fully autonomous 'long-horizon' AI agents that handle complex workflows across voice, SMS, and email for industries like lending and healthcare.
Takeoff
JUN 10, 2026
Investment
Participated as an existing investor in Suno's $400M+ Series D at a $5.4B post-money valuation.
Suno
JUN 3, 2026
Investment
Participated in Collov AI's $23M Series B round.
Collov AI
APR 21, 2026
Investment
Participated in Giant's $8M seed round.
Giant
FEB 23, 2026