Oaktree Acquisition Corp. III Life Sciences - OACC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 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 No change 1,412,750 15,017 0.32% 0.38% 1 0 0.0% Q4 2025 Feb 17, 2026
Empyrean Capital Partners, LP History Added to 900,000 9,522 0.33% 0.32% 2 +150,000 20.0% Q4 2025 Feb 17, 2026
D. E. Shaw & Co., Inc. History No change 861,625 9,159 0.01% 0.01% 3 0 0.0% Q4 2025 Feb 17, 2026
Boussard & Gavaudan Investment Management LLP History Reduced 720,000 7,653 0.58% 0.98% 4 -30,000 -4.0% Q4 2025 Feb 12, 2026
Decagon Asset Management LLP History Added to 675,637 7,148 2.75% 3.42% 5 +31,316 4.86% Q4 2025 Feb 17, 2026
TORONTO DOMINION BANK History Reduced 675,197 7,143 0.01% 0.02% 6 -258,803 -27.71% Q4 2025 Feb 17, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC History Reduced 670,072 7,122 0.05% 0.05% 7 -42,852 -6.01% Q4 2025 Feb 17, 2026
HighTower Advisors, LLC History Reduced 627,029 6,633 0.01% 0.01% 8 -30,599 -4.65% Q4 2025 Feb 06, 2026
LINDEN ADVISORS LP History No change 600,000 6,378 0.04% 0.04% 9 0 0.0% Q4 2025 Feb 17, 2026
Sculptor Capital LP History Added to 530,537 5,613 0.06% 0.06% 10 +30,537 6.11% Q4 2025 Feb 13, 2026
GOLDMAN SACHS GROUP INC History No change 529,535 5,602 0.0% 0.0% 11 0 0.0% Q4 2025 Mar 25, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 525,000 5,554 0.08% 0.08% 12 0 0.0% Q4 2025 Feb 17, 2026
ADAR1 Capital Management, LLC History No change 516,482 5,485 0.4% 0.51% 13 0 0.0% Q4 2025 Feb 18, 2026
LMR Partners LLP History No change 510,900 5,405 0.01% 0.02% 14 0 0.0% Q4 2025 Feb 17, 2026
Alberta Investment Management Corp History No change 500,000 5,315 0.03% 0.04% 15 0 0.0% Q4 2025 Feb 19, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND History No change 450,000 4,783 0.01% 0.01% 16 0 0.0% Q4 2025 Feb 13, 2026
Ghisallo Capital Management LLC History No change 450,000 4,783 0.21% 0.15% 17 0 0.0% Q4 2025 Feb 17, 2026
TWO SIGMA INVESTMENTS, LP History No change 437,500 4,628 0.01% 0.01% 18 0 0.0% Q4 2025 Feb 17, 2026
Hudson Bay Capital Management LP History No change 400,000 4,252 0.01% 0.01% 19 0 0.0% Q4 2025 Feb 13, 2026
GRITSTONE ASSET MANAGEMENT LLC History No change 394,908 4,178 3.99% 4.27% 20 0 0.0% Q4 2025 Jan 23, 2026
Radcliffe Capital Management, L.P. History Added to 377,065 3,989 0.22% 0.15% 21 +151,403 67.09% Q4 2025 Feb 17, 2026
Shaolin Capital Management LLC History Added to 375,000 3,967 0.12% 0.16% 22 +24,134 6.88% Q4 2025 Feb 17, 2026
GLAZER CAPITAL, LLC History No change 365,100 3,863 0.1% 0.13% 23 0 0.0% Q4 2025 Feb 13, 2026
PERISCOPE CAPITAL INC. History Reduced 323,400 3,421 0.39% 0.67% 24 -76,600 -19.15% Q4 2025 Feb 10, 2026
Verition Fund Management LLC History Added to 309,740 3,292 0.01% 0.01% 25 +148,000 91.5% Q4 2025 Feb 13, 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) History No change 300,000 3,174 4.39% 0.51% 26 0 0.0% Q4 2025 Mar 04, 2026
TENOR CAPITAL MANAGEMENT Co., L.P. History No change 300,000 3,174 0.04% 0.04% 27 0 0.0% Q4 2025 Feb 17, 2026
Governors Lane LP History No change 300,000 3,174 0.19% 0.24% 28 0 0.0% Q4 2025 Feb 17, 2026
MILLENNIUM MANAGEMENT LLC History No change 273,914 2,898 0.0% 0.0% 29 0 0.0% Q4 2025 Feb 17, 2026
Affinity Asset Advisors, LLC History No change 250,000 2,652 0.15% 0.23% 30 0 0.0% Q4 2025 Feb 13, 2026
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS History Reduced 250,000 2,645 0.01% 0.01% 31 -25,170 -9.15% Q4 2025 Feb 10, 2026
WHITEBOX ADVISORS LLC History No change 250,000 2,645 0.04% 0.04% 32 0 0.0% Q4 2025 Feb 17, 2026
Lineage Point Capital LP History New 232,642 2,461 0.93% 33 +232,642 New Q4 2025 Feb 26, 2026
BERKLEY W R CORP History No change 223,645 2,366 0.11% 0.14% 34 0 0.0% Q4 2025 Feb 13, 2026
K2 PRINCIPAL FUND, L.P. History No change 195,292 2,066 0.17% 0.17% 35 0 0.0% Q4 2025 Feb 13, 2026
METEORA CAPITAL, LLC History Reduced 190,978 2,020 0.17% 0.28% 36 -57,522 -23.15% Q4 2025 Feb 17, 2026
DLD Asset Management, LP History Reduced 135,535 1,433 0.11% 0.1% 37 -33,828 -19.97% Q4 2025 Feb 13, 2026
Schonfeld Strategic Advisors LLC History Reduced 115,174 1,218 0.01% 0.01% 38 -9,826 -7.86% Q4 2025 Feb 17, 2026
UBS Group AG History Added to 110,246 1,166 0.0% 0.0% 39 +1,742 1.61% Q4 2025 Jan 29, 2026
PICTON MAHONEY ASSET MANAGEMENT History No change 75,000 793 0.01% 0.01% 40 0 0.0% Q4 2025 Feb 11, 2026
Athos Capital Ltd History No change 50,000 536 0.21% 0.33% 41 0 0.0% Q4 2025 Feb 12, 2026
JPMORGAN CHASE & CO History Reduced 49,894 530 0.0% 0.0% 42 -24,923 -33.31% Q4 2025 Feb 11, 2026
CITIGROUP INC History Reduced 45,000 478 0.0% 0.0% 43 -5,900 -11.59% Q4 2025 Feb 13, 2026
Clear Street Group Inc. History Added to 43,221 460 0.0% 0.0% 44 +888 2.1% Q4 2025 Feb 13, 2026
Centiva Capital, LP History No change 40,400 429 0.0% 0.0% 45 0 0.0% Q4 2025 Feb 13, 2026
Rangeley Capital, LLC History Added to 40,032 423 0.35% 0.34% 46 +2,205 5.83% Q4 2025 Feb 17, 2026
READYSTATE ASSET MANAGEMENT LP History No change 25,000 265 0.01% 0.01% 47 0 0.0% Q4 2025 Feb 17, 2026
MIZUHO SECURITIES USA LLC History Reduced 25,000 260 0.0% 0.01% 48 -45,000 -64.29% Q4 2025 Feb 09, 2026
GEODE CAPITAL MANAGEMENT, LLC History No change 15,243 162 0.0% 0.0% 49 0 0.0% Q4 2025 Feb 09, 2026
Kepos Capital LP History No change 15,000 159 0.9% 0.84% 50 0 0.0% Q4 2025 Feb 12, 2026
Bulldog Investors, LLP History No change 13,500 142 0.03% 0.03% 51 0 0.0% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 54 0 +53 5300.0% Q4 2025 Feb 13, 2026