Trousdale Ventures is a Los Angeles-based investment firm founded by Phillip Sarofim that backs visionary entrepreneurs tackling formidable challenges in space, mobility, climate, and deep tech. The firm partners with mission-driven companies from pre-seed through late-stage crossover rounds.
Deal activity decreased year-over-year (3 deals in the last 12 months vs 6 prior). Average disclosed round size is $69.1M (across 38 rounds with reported amounts).
Portfolio
35
Fund Size
—
Top Stage
Series B
Last 12 Mo
3
Team
HJ
Hinrich J. Woebcken
General Partner
GM
Graham Miller
Investor
DL
Dave Lin
Head of Consumer and Consumer Technology
PS
Phillip Sarofim
Founder and CEO
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
47 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| SStarfish | Series B | $100M | Apr 2026 |
 CesiumAstro | Series C | — | Feb 2026 |
 Cesium | Series C | $470M | Feb 2026 |
 Impulse Space | Series D | $150M | Jan 2026 |
 Coreshell | Series B | $24M | Mar 2025 |
 Our Next Energy | Unknown | — | Mar 2025 |
 Teleo | Series A | $16.2M | Nov 2024 |
 Anello | Series B | — | Nov 2024 |
| Impulse Space | Series C | $150M | Oct 2024 |
 Notpla | Unknown | — | Sep 2024 |
| CesiumAstro | Series B | $65M | Jun 2024 |
 Range Energy | Seed | $23.5M | Feb 2024 |
| CesiumAstro | Series B | $65M | Jan 2024 |
 Blackbird AI | Series B | $20M | Jun 2023 |
 Jiko | Series B | $40M | Oct 2022 |
 Jiko | Series B | $40M | Oct 2022 |
 Lemon Perfect | Series A | $31M | Apr 2022 |
 Minded | Seed | $25M | Feb 2022 |
 BARCODE | Seed | $2.2M | Feb 2022 |
 Career Karma | Series B | $40M | Jan 2022 |
| Jiko | Series B | $40M | Jan 2022 |
 Brightside | Series B | $50M | Jan 2022 |
 Clarifai | Series C | $60M | Oct 2021 |
| Blackbird AI | Series A | $10M | Sep 2021 |
 NotCo | Series D | $235M | Jul 2021 |
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Top Co-Investors
Airbus Ventures11 shared
Alumni Ventures7 shared
DCVC7 shared
Lux Capital7 shared
Balerion Space Ventures6 shared
Tamarack Global6 shared
Founders Fund6 shared
Gaingels5 shared
In-Q-Tel5 shared
137 Ventures4 shared
Overmatch Ventures4 shared
Radicle Impact4 shared
DFJ Growth4 shared
Elysium Venture Capital3 shared
Y Combinator3 shared
La Maison Partners3 shared
Red River West3 shared
Upfront Ventures3 shared
Valor Equity Partners3 shared
Asymmetry Ventures3 shared
Last updated: 7 October 2026