HELIX ACQUISITION CORP III - G4444S107
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cormorant Asset Management, LP | History | No change | 1,297,500 | 13,805 | 0.71% | 0.66% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | No change | 1,250,000 | 13,300 | 0.12% | 0.13% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Nantahala Capital Management, LLC | History | No change | 1,250,000 | 13,300 | 0.44% | 0.47% | 3 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Affinity Asset Advisors, LLC | History | No change | 1,250,000 | 13,300 | 0.6% | 0.66% | 4 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SILVERARC CAPITAL MANAGEMENT, LLC | History | Reduced | 1,177,821 | 12,532 | 1.3% | 1.25% | 5 | -31,165 | -2.58% | Q2 2026 | Aug 13, 2026 |
| Decagon Asset Management LLP | History | Added to | 1,044,766 | 11,116 | 2.12% | 2.1% | 6 | +245,875 | 30.78% | Q2 2026 | Aug 14, 2026 |
| ADAR1 Capital Management, LLC | History | No change | 1,000,000 | 10,600 | 0.49% | 0.61% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | No change | 990,000 | 10,494 | 0.01% | 0.01% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BRAIDWELL LP | History | No change | 900,000 | 9,540 | 0.35% | 0.31% | 9 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Sculptor Capital LP | History | Added to | 872,563 | 9,284 | 0.08% | 0.08% | 10 | +77,890 | 9.8% | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 865,893 | 9,213 | 0.0% | 0.0% | 11 | +10,172 | 1.19% | Q2 2026 | Aug 14, 2026 |
| J. Goldman & Co LP | History | Added to | 725,000 | 7,714 | 0.2% | 0.16% | 12 | +175,000 | 31.82% | Q2 2026 | Aug 14, 2026 |
| TORONTO DOMINION BANK | History | Reduced | 625,000 | 6,650 | 0.01% | 0.01% | 13 | -248,820 | -28.47% | Q2 2026 | Aug 14, 2026 |
| Commodore Capital LP | History | No change | 500,000 | 5,320 | 0.32% | 0.29% | 14 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Spruce Street Capital LP | History | No change | 500,000 | 5,320 | 1.04% | 1.22% | 15 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SONA ASSET MANAGEMENT (US) LLC | History | No change | 350,000 | 3,724 | 0.08% | 0.07% | 16 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 271,875 | 2,892 | 0.0% | 0.0% | 17 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Longaeva Partners L.P. | History | Reduced | 246,709 | 2,615 | 0.06% | 0.09% | 18 | -791 | -0.32% | Q2 2026 | Aug 14, 2026 |
| BERKLEY W R CORP | History | No change | 223,830 | 2,372 | 0.11% | 0.12% | 19 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ExodusPoint Capital Management, LP | History | New | 200,000 | 2,128 | 0.01% | — | 21 | +200,000 | New | Q2 2026 | Aug 14, 2026 |
| EcoR1 Capital, LLC | History | No change | 200,000 | 2,128 | 0.1% | 0.09% | 20 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Laurion Capital Management LP | History | No change | 200,000 | 2,120 | 0.05% | 0.09% | 22 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | Reduced | 199,974 | 2,119 | 0.07% | 0.09% | 23 | -26 | -0.01% | Q2 2026 | Aug 14, 2026 |
| DLD Asset Management, LP | History | No change | 194,846 | 2,073 | 0.14% | 0.18% | 24 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| Radcliffe Capital Management, L.P. | History | Added to | 173,974 | 1,851 | 0.14% | 0.13% | 25 | +3,474 | 2.04% | Q2 2026 | Aug 14, 2026 |
| STEMPOINT CAPITAL LP | History | Reduced | 171,671 | 1,826 | 0.31% | 0.6% | 26 | -133,357 | -43.72% | Q2 2026 | Aug 14, 2026 |
| RLH Capital LLC | History | No change | 150,000 | 1,596 | 0.76% | 0.77% | 27 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| PERISCOPE CAPITAL INC. | History | Added to | 141,780 | 1,506 | 0.13% | 0.06% | 28 | +84,232 | 146.37% | Q2 2026 | Aug 11, 2026 |
| First Trust Capital Management L.P. | History | No change | 118,000 | 1,255 | 0.07% | 0.06% | 29 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Shaolin Capital Management LLC | History | Reduced | 100,275 | 1,066 | 0.05% | 0.05% | 30 | -24,725 | -19.78% | Q2 2026 | Aug 14, 2026 |
| MOORE CAPITAL MANAGEMENT, LP | History | No change | 100,000 | 1,064 | 0.02% | 0.02% | 31 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Quarry LP | History | No change | 100,000 | 1,064 | 0.09% | 0.18% | 32 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ABC ARBITRAGE SA | History | No change | 30,000 | 319 | 0.03% | 0.04% | 33 | 0 | 0.0% | Q2 2026 | Jul 20, 2026 |
| Clear Street Group Inc. | History | No change | 25,497 | 271 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| DELTEC ASSET MANAGEMENT LLC | History | No change | 25,000 | 266 | 0.04% | 0.05% | 35 | 0 | 0.0% | Q2 2026 | Jul 21, 2026 |
| Schonfeld Strategic Advisors LLC | History | Reduced | 20,000 | 212 | 0.0% | 0.0% | 36 | -5,300 | -20.95% | Q2 2026 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 12,563 | 131 | 0.0% | 0.0% | 37 | -7,391 | -37.04% | Q2 2026 | Aug 12, 2026 |
| HRT FINANCIAL LP | History | Reduced | 10,671 | 113 | 0.0% | 0.0% | 38 | -2,803 | -20.8% | Q2 2026 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 10,598 | 112 | 0.0% | 0.0% | 39 | -2,704 | -20.33% | Q2 2026 | Sep 02, 2026 |
| Monashee Investment Management LLC | History | Closed out | 0 | 0 | — | 0.76% | — | -137,113 | -100.0% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -44,427 | -100.0% | Q2 2026 | Aug 13, 2026 |
| METEORA CAPITAL, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -11,670 | -100.0% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | Added to | 28 | 0 | — | — | — | +22 | 366.67% | Q2 2026 | Aug 13, 2026 |