HELIX ACQUISITION CORP II - G4444H101
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 | New | 2,909,000 | 30,893 | 2.3% | — | 1 | +2,909,000 | New | Q2 2025 | Aug 14, 2025 |
| BlackRock, Inc. | History | No change | 1,498,865 | 15,917 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q2 2025 | Aug 12, 2025 |
| CITADEL ADVISORS LLC | History | Added to | 1,427,201 | 15,199 | 0.0% | 0.0% | 3 | +15,241 | 1.08% | Q2 2025 | Aug 14, 2025 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | No change | 1,400,000 | 14,868 | 0.03% | 0.03% | 4 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | New | 1,071,550 | 11,413 | 0.0% | — | 5 | +1,071,550 | New | Q2 2025 | Aug 14, 2025 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 897,251 | 9,528 | 0.0% | 0.01% | 6 | -199,131 | -18.16% | Q2 2025 | Aug 14, 2025 |
| SILVERARC CAPITAL MANAGEMENT, LLC | History | New | 613,393 | 6,514 | 1.2% | — | 7 | +613,393 | New | Q2 2025 | Aug 14, 2025 |
| FARALLON CAPITAL MANAGEMENT LLC | History | No change | 600,000 | 6,390 | 4.56% | 2.48% | 8 | 0 | 0.0% | Q2 2025 | Feb 17, 2026 |
| Harraden Circle Investments, LLC | History | New | 569,831 | 6,051 | 1.57% | — | 9 | +569,831 | New | Q2 2025 | Aug 14, 2025 |
| BERKLEY W R CORP | History | New | 445,195 | 4,727 | 0.25% | — | 10 | +445,195 | New | Q2 2025 | Aug 14, 2025 |
| TORONTO DOMINION BANK | History | Added to | 444,377 | 4,719 | 0.01% | 0.0% | 11 | +306,377 | 222.01% | Q2 2025 | Aug 14, 2025 |
| ADAR1 Capital Management, LLC | History | New | 442,615 | 4,700 | 0.72% | — | 12 | +442,615 | New | Q2 2025 | Aug 14, 2025 |
| PERCEPTIVE ADVISORS LLC | History | No change | 398,000 | 4,226 | 0.16% | 0.16% | 13 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| Decagon Asset Management LLP | History | New | 348,223 | 3,698 | 2.41% | — | 14 | +348,223 | New | Q2 2025 | Aug 14, 2025 |
| STEMPOINT CAPITAL LP | History | New | 315,812 | 3,290 | 1.06% | — | 15 | +315,812 | New | Q2 2025 | Aug 14, 2025 |
| Laurion Capital Management LP | History | New | 300,000 | 3,195 | 0.06% | — | 16 | +300,000 | New | Q2 2025 | Aug 14, 2025 |
| Shaolin Capital Management LLC | History | New | 292,338 | 3,104 | 0.11% | — | 17 | +292,338 | New | Q2 2025 | Aug 14, 2025 |
| Octagon Capital Advisors LP | History | New | 250,000 | 2,662 | 0.58% | — | 18 | +250,000 | New | Q2 2025 | Aug 14, 2025 |
| JPMORGAN CHASE & CO | History | Added to | 210,125 | 2,237 | 0.0% | 0.0% | 19 | +57,909 | 38.04% | Q2 2025 | Aug 12, 2025 |
| Creative Planning | History | New | 200,000 | 2,124 | 0.0% | — | 20 | +200,000 | New | Q2 2025 | Aug 08, 2025 |
| ACUTA CAPITAL PARTNERS, LLC | History | New | 187,257 | 1,988 | 2.78% | — | 21 | +187,257 | New | Q2 2025 | Aug 14, 2025 |
| WELLINGTON MANAGEMENT GROUP LLP | History | No change | 184,590 | 1,965 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| TD ASSET MANAGEMENT INC | History | No change | 144,772 | 1,541 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q2 2025 | Jul 28, 2025 |
| Hudson Bay Capital Management LP | History | New | 108,300 | 1,153 | 0.0% | — | 24 | +108,300 | New | Q2 2025 | Aug 18, 2025 |
| Woodline Partners LP | History | No change | 103,247 | 1,096 | 0.01% | 0.01% | 25 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| MOORE CAPITAL MANAGEMENT, LP | History | No change | 100,000 | 1,065 | 0.01% | 0.02% | 26 | 0 | 0.0% | Q2 2025 | Aug 14, 2025 |
| K2 PRINCIPAL FUND, L.P. | History | New | 100,000 | 1,062 | 0.15% | — | 27 | +100,000 | New | Q2 2025 | Aug 14, 2025 |
| UBS Group AG | History | Reduced | 68,534 | 727 | 0.0% | 0.0% | 28 | -24,126 | -26.04% | Q2 2025 | Aug 14, 2025 |
| GREAT POINT PARTNERS LLC | History | New | 29,381 | 312 | 0.2% | — | 29 | +29,381 | New | Q2 2025 | Aug 14, 2025 |
| FNY Investment Advisers, LLC | History | New | 27,184 | 289 | 0.12% | — | 30 | +27,184 | New | Q2 2025 | Jul 30, 2025 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 13,328 | 141 | 0.0% | 0.0% | 31 | +54 | 0.41% | Q2 2025 | Aug 08, 2025 |
| FIFTH LANE CAPITAL, LP | History | New | 10,500 | 111 | 0.13% | — | 32 | +10,500 | New | Q2 2025 | Aug 13, 2025 |
| Sculptor Capital LP | History | Closed out | 0 | 0 | — | 31.42% | — | -800,000 | -100.0% | Q1 2025 | Feb 26, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Closed out | 0 | 0 | — | 0.0% | — | -189,285 | -100.0% | Q1 2025 | May 15, 2025 |
| SOROS FUND MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.03% | — | -150,000 | -100.0% | Q1 2025 | May 15, 2025 |