Oaktree Acquisition Corp. III Life Sciences - OACC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 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
AQR Arbitrage LLC History Reduced 1,324,175 14,062 0.23% 0.32% 1 -88,575 -6.27% Q1 2026 May 15, 2026
Decagon Asset Management LLP History Added to 1,002,427 10,605 2.75% 2.75% 2 +326,790 48.37% Q1 2026 May 15, 2026
Fort Baker Capital Management LP History New 1,000,000 10,580 0.83% 3 +1,000,000 New Q1 2026 May 15, 2026
Empyrean Capital Partners, LP History No change 900,000 9,558 0.31% 0.33% 4 0 0.0% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History No change 861,625 9,150 0.01% 0.01% 5 0 0.0% Q1 2026 May 15, 2026
Boussard & Gavaudan Investment Management LLP History No change 720,000 7,617 0.72% 0.58% 6 0 0.0% Q1 2026 May 15, 2026
LINDEN ADVISORS LP History No change 600,000 6,372 0.04% 0.04% 7 0 0.0% Q1 2026 May 15, 2026
Sculptor Capital LP History Added to 530,807 5,615 0.06% 0.06% 8 +270 0.05% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History No change 529,535 5,602 0.0% 0.0% 9 0 0.0% Q1 2026 May 15, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 525,000 5,554 0.11% 0.08% 10 0 0.0% Q1 2026 May 15, 2026
ADAR1 Capital Management, LLC History No change 516,482 5,500 0.32% 0.4% 11 0 0.0% Q1 2026 May 15, 2026
LMR Partners LLP History No change 510,900 5,405 0.01% 0.01% 12 0 0.0% Q1 2026 May 15, 2026
HighTower Advisors, LLC History Reduced 510,836 5,404 0.01% 0.01% 13 -116,193 -18.53% Q1 2026 May 05, 2026
Alberta Investment Management Corp History No change 500,000 5,310 0.03% 0.03% 14 0 0.0% Q1 2026 Apr 28, 2026
TORONTO DOMINION BANK History Reduced 496,650 5,254 0.01% 0.01% 15 -178,547 -26.44% Q1 2026 May 15, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND History No change 450,000 4,779 0.01% 0.01% 16 0 0.0% Q1 2026 May 14, 2026
Ghisallo Capital Management LLC History No change 450,000 4,779 0.13% 0.21% 17 0 0.0% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History No change 437,500 4,628 0.0% 0.01% 18 0 0.0% Q1 2026 May 15, 2026
GRITSTONE ASSET MANAGEMENT LLC History No change 394,908 4,178 4.46% 3.99% 19 0 0.0% Q1 2026 May 05, 2026
Radcliffe Capital Management, L.P. History Added to 382,445 4,055 0.3% 0.22% 20 +5,380 1.43% Q1 2026 May 15, 2026
GLAZER CAPITAL, LLC History Reduced 357,922 3,787 0.08% 0.1% 21 -7,178 -1.97% Q1 2026 May 14, 2026
PERISCOPE CAPITAL INC. History No change 323,400 3,429 0.38% 0.39% 22 0 0.0% Q1 2026 May 13, 2026
Shaolin Capital Management LLC History Reduced 314,990 3,332 0.12% 0.12% 23 -60,010 -16.0% Q1 2026 May 15, 2026
Verition Fund Management LLC History Reduced 305,048 3,239 0.02% 0.01% 24 -4,692 -1.51% Q1 2026 May 15, 2026
Hudson Bay Capital Management LP History Reduced 300,000 3,186 0.01% 0.01% 25 -100,000 -25.0% Q1 2026 May 13, 2026
Governors Lane LP History No change 300,000 3,181 0.2% 0.19% 26 0 0.0% Q1 2026 May 15, 2026
O'Connor Alternative Investments LLC History New 300,000 3,174 0.27% 29 +300,000 New Q1 2026 May 15, 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) History No change 300,000 3,174 0.37% 0.37% 27 0 0.0% Q4 2025 Feb 13, 2026
TENOR CAPITAL MANAGEMENT Co., L.P. History No change 300,000 3,174 0.05% 0.04% 28 0 0.0% Q1 2026 May 15, 2026
Affinity Asset Advisors, LLC History No change 250,000 2,662 0.14% 0.15% 30 0 0.0% Q1 2026 May 14, 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS History No change 250,000 2,651 0.01% 0.01% 31 0 0.0% Q1 2026 May 01, 2026
WHITEBOX ADVISORS LLC History No change 250,000 2,645 0.03% 0.04% 32 0 0.0% Q1 2026 May 15, 2026
Lineage Point Capital LP History Added to 232,645 2,467 0.6% 0.93% 33 +3 0.0% Q1 2026 May 15, 2026
BERKLEY W R CORP History No change 223,645 2,371 0.13% 0.11% 34 0 0.0% Q1 2026 May 15, 2026
K2 PRINCIPAL FUND, L.P. History No change 195,292 2,066 0.14% 0.17% 35 0 0.0% Q1 2026 May 14, 2026
METEORA CAPITAL, LLC History Reduced 182,093 1,926 0.14% 0.17% 36 -8,885 -4.65% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 175,000 1,851 0.0% 0.0% 37 -98,914 -36.11% Q1 2026 May 15, 2026
DLD Asset Management, LP History Added to 181,254 1,480 0.13% 0.11% 38 +45,719 33.73% Q1 2026 May 13, 2026
Schonfeld Strategic Advisors LLC History Reduced 110,107 1,167 0.01% 0.01% 39 -5,067 -4.4% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History New 81,520 862 0.0% 41 +81,520 New Q1 2026 May 12, 2026
UBS Group AG History Reduced 81,528 862 0.0% 0.0% 40 -28,718 -26.05% Q1 2026 May 05, 2026
PICTON MAHONEY ASSET MANAGEMENT History No change 75,000 793 0.01% 0.01% 42 0 0.0% Q1 2026 May 13, 2026
Athos Capital Ltd History No change 50,000 534 0.16% 0.21% 43 0 0.0% Q1 2026 May 12, 2026
JPMORGAN CHASE & CO History Added to 49,930 528 0.0% 0.0% 44 +36 0.07% Q1 2026 May 13, 2026
CITIGROUP INC History No change 45,000 477 0.0% 0.0% 45 0 0.0% Q1 2026 May 11, 2026
Clear Street Group Inc. History No change 43,221 458 0.0% 0.0% 46 0 0.0% Q1 2026 May 15, 2026
Rangeley Capital, LLC History Added to 61,188 423 0.41% 0.35% 47 +21,156 52.85% Q1 2026 May 15, 2026
READYSTATE ASSET MANAGEMENT LP History No change 25,000 265 0.01% 0.01% 48 0 0.0% Q1 2026 May 15, 2026
MIZUHO SECURITIES USA LLC History No change 25,000 263 0.01% 0.0% 49 0 0.0% Q1 2026 May 11, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 15,243 161 0.0% 0.0% 50 0 0.0% Q1 2026 May 15, 2026
Kepos Capital LP History No change 15,000 159 0.26% 0.9% 51 0 0.0% Q1 2026 May 12, 2026
Bulldog Investors, LLP History No change 13,500 143 0.03% 0.03% 52 0 0.0% Q1 2026 May 08, 2026
CITADEL ADVISORS LLC History New 10,253 108 0.0% 53 +10,253 New Q1 2026 May 15, 2026
Warberg Asset Management LLC History New 10,025 106 0.02% 54 +10,025 New Q1 2026 May 07, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC History Closed out 0 0 0.05% -670,072 -100.0% Q1 2026 May 15, 2026
Centiva Capital, LP History Closed out 0 0 0.0% -40,400 -100.0% Q1 2026 May 14, 2026
MORGAN STANLEY History Added to 75 0 +21 38.89% Q1 2026 May 15, 2026