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Walden Catalyst is an early-stage venture capital firm that primarily invests in deep-tech companies, with a strong focus on data and artificial intelligence. The firm targets startups in the US, Europe, and Israel, backing pioneers in scientific discovery and engineering innovation, including areas like semiconductors, cloud, quantum, and digital biology.
Deal activity increased 67% year-over-year (5 deals in the last 12 months). Average disclosed round size is $70.1M (across 17 rounds with reported amounts).
Portfolio
17
Fund Size
$550M
Top Stage
Series C
Last 12 Mo
5
Team
Shankar Chandran
Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
17 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| CCognichip | Series C | $60M | Apr 2026 |
 OPAQUE | Series B | $24M | Feb 2026 |
 Empower Semiconductor | Series D | $140M | Sep 2025 |
 Speedata | Series B | $44M | Jun 2025 |
| VVirtue AI | Seed | $30M | Apr 2025 |
 Ati Motors | Series B | $20M | Jan 2025 |
 ANYbotics | Series C | $60M | Dec 2024 |
 Nearfield Instruments | Series C | $135M | Jul 2024 |
 Clarity | Seed | $16M | Feb 2024 |
 AI21 Labs | Series C | $155M | Aug 2023 |
| ANYbotics | Series B | $50M | May 2023 |
 Galileo | Series A | $18M | Nov 2022 |
| AI21 Labs | Series B | $64M | Jul 2022 |
| OOpaque Systems | Series A | $22M | Jun 2022 |
| Speedata | Series A | $55M | Sep 2021 |
| AI21 Labs | Series C | $208M | — |
 Artera | Series C | $90M | — |
Top Co-Investors
NGP Capital3 shared
Intel Capital3 shared
Koch Disruptive Technologies3 shared
Bessemer Venture Partners2 shared
Thomvest Ventures2 shared
83North2 shared
Viola Ventures2 shared
Factory2 shared
GV (Google Ventures)2 shared
Nvidia2 shared
Btov2 shared
Samsung Next2 shared
Qualcomm Ventures1 shared
Supernova Invest1 shared
Swisscom Venture1 shared
TDK Ventures1 shared
Swisscanto1 shared
The House Fund1 shared
Secret Chord Ventures1 shared
Ascend Venture Capital1 shared
Last updated: 12 April 2026