Seaport Therapeutics, Inc. · NASDAQ:SPTX
Seaport Therapeutics, Inc. shareholders
As of Jun 30, 2026, 51 institutions reported holding Seaport Therapeutics, Inc., 69.9% of its shares. Largest: ARCH Venture Management, LLC, General Atlantic, L.P. and Sofinnova Investments, Inc. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Seaport Therapeutics, Inc. | Change | Filed |
|---|---|---|---|---|
| ARCH Venture Management, LLC | 6.29M | 11.8% | new | Aug 14, 2026 |
| General Atlantic, L.P. | 6.1M | 11.4% | new | Aug 14, 2026 |
| Sofinnova Investments, Inc. | 3.56M | 6.7% | new | Aug 14, 2026 |
| Goldman Sachs | 2.18M | 4.1% | new | Aug 14, 2026 |
| Trv Gp VI, LLC | 2.06M | 3.9% | new | Aug 10, 2026 |
| CPP Investments | 1.98M | 3.7% | new | Aug 14, 2026 |
| JPMorgan | 1.82M | 3.4% | new | Aug 12, 2026 |
| Foresite Capital Management VI, LLC | 1.78M | 3.3% | new | Aug 14, 2026 |
| T. Rowe Price | 1.31M | 2.4% | new | Aug 14, 2026 |
| Fidelity | 1.19M | 2.2% | new | Aug 13, 2026 |