HELIX ACQUISITION CORP II - G4444H101

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q2 2025 · Compare: Q1 2025
13D/13G major owners: Ownership tab.
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