RA Capital Nexus Fund III, L.P.
CIK 1883840
Transactions on file
59
Open-market buys
10
Win rate (buys)
80%
10 scored
Avg % since filing (buys)
+101.9%
Tickers traded
Recent activity
| Filed | Txn date | Issuer | Roles | Code | Shares | Value | % since Filing | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-11 | 2026-06-11 | ARTV Artiva Biotherapeutics, Inc. | Director | Buy | 548,580 | $4.34M | +8.0% | open → |
| 2026-06-11 | 2026-06-10 | ARTV Artiva Biotherapeutics, Inc. | Director | Buy | 103 | $721.00 | +22.0% | open → |
| 2026-06-11 | 2026-06-09 | ARTV Artiva Biotherapeutics, Inc. | Director | Buy | 479,039 | $3.31M | +23.6% | open → |
| 2026-05-13 | 2026-05-11 | ARTV Artiva Biotherapeutics, Inc. | Director | Buy | 6,510,416 | $75.00M | -25.9% | open → |
| 2025-02-10 | 2025-02-10 | SION Sionna Therapeutics, Inc. | Director | Buy | 102,414 | $1.84M | +99.6% | open → |
| 2025-02-10 | 2025-02-10 | SION Sionna Therapeutics, Inc. | Director | Buy | 1,022,586 | $18.41M | +99.6% | open → |
| 2025-02-10 | 2025-02-10 | SION Sionna Therapeutics, Inc. | Director | C | 179,975 | — | — | open → |
| 2025-02-10 | 2025-02-10 | SION Sionna Therapeutics, Inc. | Director | C | 2,222,084 | — | — | open → |
| 2025-02-10 | 2025-02-10 | SION Sionna Therapeutics, Inc. | Director | C | 5,021,990 | — | — | open → |
| 2025-02-10 | 2025-02-10 | SION Sionna Therapeutics, Inc. | Director | C | 527,444 | — | — | open → |
| 2025-03-17 | 2025-03-13 | MLYS Mineralys Therapeutics, Inc. | Director | Buy | 1,296,296 | $17.50M | +75.0% | open → |
| 2025-12-15 | 2025-12-12 | CLYM Climb Bio, Inc. | Director10% | Buy | 101,462 | $290.2K | +300.0% | open → |
| 2025-12-15 | 2025-12-11 | CLYM Climb Bio, Inc. | Director10% | Buy | 213,099 | $464.6K | +424.8% | open → |
| 2025-12-15 | 2025-12-11 | CLYM Climb Bio, Inc. | Director10% | Disp. | 20,440,000 | $0.00 | — | open → |
| 2025-11-24 | 2025-11-21 | SION Sionna Therapeutics, Inc. | Director | Sale | 7,609 | $300.6K | -9.1% | open → |
| 2025-11-24 | 2025-11-21 | SION Sionna Therapeutics, Inc. | Director | Sale | 6,440 | $254.4K | -9.1% | open → |
| 2025-11-24 | 2025-11-21 | SION Sionna Therapeutics, Inc. | Director | Sale | 9,924 | $392.0K | -9.1% | open → |
| 2025-11-24 | 2025-11-21 | SION Sionna Therapeutics, Inc. | Director | Sale | 1,210 | $47.8K | -9.1% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 604 | $24.5K | -11.3% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 512 | $20.7K | -11.3% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 788 | $31.9K | -11.3% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 96 | $3.9K | -11.3% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 947 | $37.8K | -10.0% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 801 | $32.0K | -10.0% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 1,235 | $49.3K | -10.0% | open → |
| 2025-11-24 | 2025-11-20 | SION Sionna Therapeutics, Inc. | Director | Sale | 150 | $6.0K | -10.0% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 9 | $365.49 | -11.5% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 8 | $324.88 | -11.5% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 12 | $487.32 | -11.5% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 2 | $81.22 | -11.5% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 14,325 | $573.1K | -10.2% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 12,126 | $485.2K | -10.2% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 18,684 | $747.5K | -10.2% | open → |
| 2025-11-19 | 2025-11-19 | SION Sionna Therapeutics, Inc. | Director | Sale | 2,276 | $91.1K | -10.2% | open → |
| 2025-11-19 | 2025-11-18 | SION Sionna Therapeutics, Inc. | Director | Sale | 2,092 | $82.8K | -9.2% | open → |
| 2025-11-19 | 2025-11-18 | SION Sionna Therapeutics, Inc. | Director | Sale | 1,770 | $70.0K | -9.2% | open → |
| 2025-11-19 | 2025-11-18 | SION Sionna Therapeutics, Inc. | Director | Sale | 2,728 | $107.9K | -9.2% | open → |
| 2025-11-19 | 2025-11-18 | SION Sionna Therapeutics, Inc. | Director | Sale | 332 | $13.1K | -9.2% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 331 | $13.9K | -14.7% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 280 | $11.8K | -14.7% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 433 | $18.2K | -14.7% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 53 | $2.2K | -14.7% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 10,707 | $439.5K | -12.5% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 9,063 | $372.0K | -12.5% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 13,964 | $573.2K | -12.5% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 1,701 | $69.8K | -12.5% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 13,734 | $552.1K | -10.6% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 11,626 | $467.4K | -10.6% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 17,913 | $720.1K | -10.6% | open → |
| 2025-11-19 | 2025-11-17 | SION Sionna Therapeutics, Inc. | Director | Sale | 2,182 | $87.7K | -10.6% | open → |
| 2025-10-28 | 2025-10-28 | SION Sionna Therapeutics, Inc. | Director | Sale | 10,476 | $414.6K | -9.2% | open → |
| 2025-10-28 | 2025-10-28 | SION Sionna Therapeutics, Inc. | Director | Sale | 17,118 | $677.5K | -9.2% | open → |
| 2025-10-28 | 2025-10-28 | SION Sionna Therapeutics, Inc. | Director | Sale | 31,392 | $1.24M | -9.2% | open → |
| 2025-10-28 | 2025-10-28 | SION Sionna Therapeutics, Inc. | Director | Sale | 3,624 | $143.4K | -9.2% | open → |
| 2025-10-28 | 2025-10-24 | SION Sionna Therapeutics, Inc. | Director | Sale | 107,941 | $4.26M | -9.1% | open → |
| 2025-10-28 | 2025-10-24 | SION Sionna Therapeutics, Inc. | Director | Sale | 66,672 | $2.63M | -9.1% | open → |
| 2025-10-28 | 2025-10-24 | SION Sionna Therapeutics, Inc. | Director | Sale | 122,271 | $4.83M | -9.1% | open → |
| 2025-10-28 | 2025-10-24 | SION Sionna Therapeutics, Inc. | Director | Sale | 14,116 | $557.6K | -9.1% | open → |
| 2025-09-08 | 2025-09-04 | MLYS Mineralys Therapeutics, Inc. | Director | Buy | 1,176,470 | $30.00M | -7.4% | open → |
