About
Walden Catalyst is a venture capital firm helping early-stage companies in the U.S., Europe, and Israel build the next generation of category-defining businesses in deep tech. We back the bold and the daring, trailblazers who are changing the world and making life better for all of us. The firm is led by Young Sohn and Lip-Bu Tan, deep-tech industry pioneers who between them have invested in more than 560 startups across the globe, of which 115 have gone on to IPO.
Key facts
At-a-glance profile data
- Website
- waldencatalyst.com
- Type
- Venture Capital
- Headquarters
- United States
- Funds raised
- $550M
- Portfolio companies
- 5
- Stages
- SeedSeries ASeries B
- Cheque size
- $3M to $25M
- Sector focus
- EnterpriseAnalyticsDataVLSIAcceleration
Recent investments
| Date | Company | Round | Amount |
|---|---|---|---|
| 4 Jun 2025 | 995850 | Undisclosed round | $44M |
| 3 Jun 2025 | 995850 | Series B | $44M |
| 3 Jun 2025 | 142969 | Undisclosed round | $44M |
| 13 Feb 2025 | EnCharge AI | Series B | $100M |
| 22 May 2024 | Rivos | Undisclosed round | $250M |
| 28 Feb 2024 | Sanctuary AI | Undisclosed round | $75M |
| 15 Feb 2024 | Clarity | Seed | $16M |
| 9 Nov 2023 | Ingonyama | Seed | $20M |
| 31 Aug 2023 | AI21 Labs | Series C | $155M |
| 1 Aug 2023 | Enfabrica | Undisclosed round | $125M |
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Frequently asked
What companies has Walden Catalyst Ventures invested in?
Walden Catalyst Ventures has invested in 995850, 142969, EnCharge AI, Rivos, Sanctuary AI and 6 more.
AUM
$550M
PORTFOLIO
5

