50 investors have funded 9 Agentic AI companies head-officed in Seattle, across 79 rounds (May 2020 – Oct 2025). They are ranked by how many Seattle companies in this market they have actually backed.
"In Seattle" describes the companies, not the investor: most of the money in any city comes from somewhere else, and the Where the money comes from section below shows exactly where it came from here.
Ranked by companies backed in this market and city, then by round count. "Led" counts rounds recorded with this investor as lead.
| # | Investor | Based in | Stages here | Companies | Rounds | Led | Latest | Portfolio total |
|---|---|---|---|---|---|---|---|---|
| 1 | Madrona Venture Group | Seattle, United States | SeedSeries ASeries B | 2 | 3 | 1 | Jul 2025 | 271 |
| 2 | ASCEND | Seattle, United States | SeedSeries A | 2 | 2 | — | Sep 2025 | 40 |
| 3 | Techstars | New York City, United States | Seed | 1 | 3 | 1 | Oct 2025 | 3,580 |
| 4 | S32 | Sunnyvale, United States | Series ASeed | 1 | 3 | — | Jul 2022 | 82 |
| 5 | Pioneer Square Labs | Seattle, United States | Series ASeries BSeed | 1 | 3 | — | Jul 2025 | 51 |
| 6 | Flying Fish Ventures | Seattle, United States | Series ASeed | 1 | 3 | 2 | Jul 2022 | 41 |
| 7 | Decibel | Palo Alto, United States | SeedSeries ASeries B | 1 | 3 | 1 | Jul 2025 | 34 |
| 8 | Index Ventures | London, United Kingdom | Series ASeries B | 1 | 2 | 1 | Oct 2025 | 639 |
| 9 | In-Q-Tel | Washington, DC, United States | Series ASeries B | 1 | 2 | — | Jul 2025 | 318 |
| 10 | Bezos Expeditions | Mercer Island, United States | SeedSeries A | 1 | 2 | — | Nov 2021 | 81 |
| 11 | Defy | Woodside, United States | SeedSeries A | 1 | 2 | 1 | Nov 2021 | 66 |
| 12 | Array Ventures | San Francisco, United States | Seed | 1 | 2 | 1 | Oct 2024 | 37 |
| 13 | MiraclePlus | Beijing, China | Seed | 1 | 2 | 1 | Oct 2025 | 38 |
| 14 | Concentric | London, United Kingdom | SeedSeries A | 1 | 2 | — | Aug 2025 | 24 |
| 15 | Character | Milwaukee, United States | Series A | 1 | 2 | — | Jul 2022 | 18 |
| 16 | Trammell Venture Partners | Austin, United States | Series ASeed | 1 | 2 | 1 | Aug 2025 | 10 |
| 17 | Helena | Los Angeles, United States | Series ASeries B | 1 | 2 | — | Oct 2025 | 10 |
| 18 | Theory Ventures | Portola Valley, United States | Series ASeries B | 1 | 2 | 2 | Jul 2025 | 11 |
| 19 | Jinqiu Capital | Seed | 1 | 2 | 1 | Oct 2025 | 9 | |
| 20 | Stillmark | Los Angeles | Seed | 1 | 2 | 2 | Jul 2024 | 8 |
| 21 | Starshot Capital | Phoenix, United States | Series A | 1 | 2 | 1 | Jul 2022 | 6 |
| 22 | Hat-Trick Capital | Palo Alto, United States | Seed | 1 | 2 | 1 | Oct 2025 | 7 |
| 23 | Edge Case Capital Partners | United States | Seed | 1 | 2 | 1 | Oct 2025 | 1 |
| 24 | Y Combinator | Mountain View, United States | Seed | 1 | 1 | 1 | Jan 2025 | 5,648 |
| 25 | Collab Fund | New York City, United States | Series B | 1 | 1 | — | Oct 2025 | 217 |
| 26 | Point72 Ventures | New York City, United States | Series A | 1 | 1 | — | Sep 2025 | 145 |
| 27 | Sony Innovation Fund | Tokyo, Japan | Series B | 1 | 1 | — | Oct 2025 | 158 |
| 28 | Firstminute Capital | London, United Kingdom | Seed | 1 | 1 | — | May 2020 | 123 |
| 29 | NVIDIA | Santa Clara, United States | Series B | 1 | 1 | — | Oct 2025 | 121 |
| 30 | Trilogy Equity Partners | Bellevue, United States | Seed | 1 | 1 | 1 | Oct 2025 | 60 |
| 31 | Upsparks Capital | Bengaluru, India | Seed | 1 | 1 | 1 | Jun 2022 | 50 |
| 32 | Baidu Venture Capital | Haidian, China | Seed | 1 | 1 | — | Oct 2025 | 45 |
| 33 | FUSE | Bellevue, United States | Series A | 1 | 1 | 1 | Sep 2025 | 34 |
| 34 | AI Fund | Palo Alto, United States | Series A | 1 | 1 | 1 | Nov 2021 | 30 |
| 35 | Ahren | Cambridge, United Kingdom | Series A | 1 | 1 | — | Jul 2022 | 26 |
| 36 | KPMG | London, United Kingdom | Seed | 1 | 1 | 1 | Oct 2024 | 24 |
| 37 | BoldCap | Miami, United States | Seed | 1 | 1 | — | Jan 2023 | 17 |
| 38 | NJF Capital | London, United Kingdom | Seed | 1 | 1 | — | May 2020 | 14 |
| 39 | AI2 Incubator | Seattle, United States | Series A | 1 | 1 | — | Sep 2025 | 16 |
| 40 | Pack Ventures | Seattle, United States | Seed | 1 | 1 | 1 | Jun 2022 | 14 |
| 41 | Untapped Capital | Remote, United States | Seed | 1 | 1 | 1 | Jun 2022 | 13 |
| 42 | Allen Institute for Artificial Intelligence | Seattle, United States | Seed | 1 | 1 | — | Sep 2020 | 11 |
| 43 | Lightning Ventures | New York City, United States | Seed | 1 | 1 | — | Apr 2023 | 9 |
| 44 | Ten31 | Seed | 1 | 1 | — | Apr 2023 | 8 | |
| 45 | Geek Ventures | New York City, United States | Seed | 1 | 1 | 1 | Oct 2024 | 10 |
| 46 | SeaChange | Seattle, United States | Seed | 1 | 1 | 1 | Jun 2022 | 8 |
| 47 | Rebellion Ventures | San Francisco, United States | Seed | 1 | 1 | 1 | Oct 2024 | 9 |
| 48 | University of Washington | Seattle, United States | Seed | 1 | 1 | — | May 2020 | 4 |
| 49 | Ahead VC | San Francisco, United States | Seed | 1 | 1 | 1 | Oct 2024 | 3 |
| 50 | Perpetual Venture Capital | Seed | 1 | 1 | — | Oct 2024 | 1 |
Head office of the investors on this page.
Rounds by stage — where in a company's life this money arrives.
Total disclosed size of each round, not one investor's share.
How active this market has been.
Agentic AI companies head-officed in Seattle that took money from these investors.
| Company | Backers | Rounds | Disclosed | Latest round |
|---|---|---|---|---|
| Phaidra phaidra.ai |
13 | 21 | $435.5M | Series B Oct 2025 |
| Wokelo wokelo.ai |
10 | 11 | $31.5M | Seed Oct 2024 |
| TestSprite testsprite.com |
7 | 13 | $64.5M | Seed Oct 2025 |
| Why Labs whylabs.ai |
6 | 9 | $60M | Series A Nov 2021 |
| Dropzone AI dropzone.ai |
5 | 11 | $259.4M | Series B Jul 2025 |
| Vida Lab vida.io |
5 | 8 | $26M | Series A Aug 2025 |
| Envive AI envive.ai |
4 | 4 | $60M | Series A Sep 2025 |
| Calltree AI calltree.ai |
1 | 1 | $500K | Seed Jan 2025 |
| Petavue petavue.com |
1 | 1 | — | Seed Jan 2023 |
| Date | Investor | Company | Stage | Round size |
|---|---|---|---|---|
| Oct 2025 | Trilogy Equity PartnersLED | TestSprite | Seed | $8.1M |
| Oct 2025 | Baidu Venture Capital | TestSprite | Seed | $8.1M |
| Oct 2025 | Techstars | TestSprite | Seed | $8.1M |
| Oct 2025 | Hat-Trick Capital | TestSprite | Seed | $8.1M |
| Oct 2025 | MiraclePlus | TestSprite | Seed | $8.1M |
| Oct 2025 | Edge Case Capital Partners | TestSprite | Seed | $8.1M |
| Oct 2025 | Jinqiu Capital | TestSprite | Seed | $8.1M |
| Oct 2025 | Sony Innovation Fund | Phaidra | Series B | $50M |
| Oct 2025 | Index Ventures | Phaidra | Series B | $50M |
| Oct 2025 | Nvidia | Phaidra | Series B | $50M |
| Oct 2025 | Collab Fund | Phaidra | Series B | $50M |
| Oct 2025 | Helena | Phaidra | Series B | $50M |
| Sep 2025 | Point72 Ventures | Envive AI | Series A | $15M |
| Sep 2025 | ASCEND | Envive AI | Series A | $15M |
| Sep 2025 | AI2 Incubator | Envive AI | Series A | $15M |
| Sep 2025 | FUSELED | Envive AI | Series A | $15M |
| Aug 2025 | Trammell Venture PartnersLED | Vida Lab | Series A | $4M |
| Aug 2025 | Concentric | Vida Lab | Series A | $4M |
| Jul 2025 | Madrona | Dropzone AI | Series B | $37M |
| Jul 2025 | In-Q-Tel | Dropzone AI | Series B | $37M |
Agentic AI investors in other cities
Other markets in Seattle