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Oaktree Acquisition Corp. III Life Sciences

OACC
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002029769

No open-market purchases or sales by Oaktree Acquisition Corp. III Life Sciences insiders were filed in the last 90 days; 51 institutions reported holding it in 13F filings for Q2 2026, worth $181.5M in total; no superinvestor holds it.

Other share classesOACCUOACCW

13F holders, Q4 2025

Institutional positions in Oaktree Acquisition Corp. III Life Sciences as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
49
+1 vs. Q3 2025
Shares held
16.9M
+173.2K (+1.0%) vs. Q3 2025
Total value
$178.6M
+$3.56M (+2.0%) vs. Q3 2025
New holders
1
10 more added
Sold out
0
12 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OACC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 49 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 20 institutionsQ1 2025: 39 institutionsQ2 2025: 47 institutionsQ3 2025: 48 institutionsQ4 2025: 49 institutionsQ1 2026: 51 institutionsQ2 2026: 51 institutions
Value heldQ4 2025: $178.6M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $89.8MQ1 2025: $153.2MQ2 2025: $172.4MQ3 2025: $175.1MQ4 2025: $178.6MQ1 2026: $178.9MQ2 2026: $181.5M
Institutions holding OACC and their total value by quarter
QuarterHoldersValue
Q2 202651$181.5M
Q1 202651$178.9M
Q4 202549$178.6M
Q3 202548$175.1M
Q2 202547$172.4M
Q1 202539$153.2M
Q4 202420$89.8M
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Oaktree Acquisition Corp. III Life Sciences; share changes are against Q3 2025.

Institutions holding OACC in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
CNH Partners LLC1,412,750$15.0M0.32%00.0%Unchanged
Empyrean Capital Partners, LP900,000$9.52M0.33%+150,000+20.0%Added
D. E. Shaw & Co., Inc.861,625$9.16M0.01%00.0%Unchanged
Boussard & Gavaudan Investment Management LLP720,000$7.65M0.58%−30,000−4.0%Reduced
Decagon Asset Management LLP675,637$7.15M3.01%+31,316+4.9%Added
Toronto Dominion Bank675,197$7.14M0.01%−258,803−27.7%Reduced
Driehaus Capital Management LLC670,072$7.12M0.05%−42,852−6.0%Reduced
HighTower Advisors, LLC627,029$6.63M0.01%−30,599−4.7%Reduced
Linden Advisors LP600,000$6.38M0.04%00.0%Unchanged
Sculptor Capital LP530,537$5.61M0.07%+30,537+6.1%Added
Goldman Sachs Group Inc529,535$5.60M0.00%00.0%Unchanged
Moore Capital Management, LP525,000$5.55M0.11%00.0%Unchanged
LMR Partners LLP510,900$5.41M0.05%00.0%Unchanged
Alberta Investment Management Corp500,000$5.32M0.03%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund450,000$4.78M0.01%00.0%Unchanged
Ghisallo Capital Management LLC450,000$4.78M0.21%00.0%Unchanged
Two Sigma Investments, LP437,500$4.63M0.01%00.0%Unchanged
Hudson Bay Capital Management LP400,000$4.25M0.02%00.0%Unchanged
Gritstone Asset Management LLC394,908$4.18M3.99%00.0%Unchanged
Radcliffe Capital Management, L.P.377,065$3.99M0.22%+151,403+67.1%Added
Shaolin Capital Management LLC375,000$3.97M0.15%+24,134+6.9%Added
Glazer Capital, LLC365,100$3.86M0.10%00.0%Unchanged
Periscope Capital Inc.323,400$3.42M0.66%−76,600−19.2%Reduced
Verition Fund Management LLC309,740$3.29M0.02%+148,000+91.5%Added
UBS Oconnor LLC300,000$3.17M0.08%00.0%Unchanged
Tenor Capital Management Co., L.P.300,000$3.17M0.04%00.0%Unchanged
Governors Lane LP300,000$3.17M0.29%00.0%Unchanged
Millennium Management LLC273,914$2.90M0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys250,000$2.65M0.01%−25,170−9.1%Reduced
Whitebox Advisors LLC250,000$2.65M0.04%00.0%Unchanged
Lineage Point Capital LP232,642$2.46M0.93%+232,642New
Berkley W R Corp223,645$2.37M0.13%00.0%Unchanged
K2 Principal Fund, L.P.195,292$2.07M0.21%00.0%Unchanged
Meteora Capital, LLC190,978$2.02M0.17%−57,522−23.1%Reduced
DLD Asset Management, LP135,535$1.43M0.15%+9,346+7.4%Added
Schonfeld Strategic Advisors LLC115,174$1.22M0.01%−9,826−7.9%Reduced
UBS Group AG100,481$1.06M0.00%+1,760+1.8%Added
Picton Mahoney Asset Management75,000$793.5K0.01%00.0%Unchanged
JPMorgan Chase & Co49,894$530.4K0.00%−24,923−33.3%Reduced
Citigroup Inc45,000$478.4K0.00%−5,900−11.6%Reduced
Centiva Capital, LP40,400$429.5K0.03%00.0%Unchanged
Rangeley Capital, LLC40,032$423.5K0.36%+2,205+5.8%Added
Readystate Asset Management LP25,000$265.8K0.01%00.0%Unchanged
Mizuho Securities USA LLC25,000$260.0K0.00%−45,000−64.3%Reduced
Clear Street Group Inc.21,000$222.2K0.00%−1,000−4.5%Reduced
Geode Capital Management, LLC15,243$162.0K0.00%00.0%Unchanged
Kepos Capital LP15,000$159.0K0.90%00.0%Unchanged
Bulldog Investors, LLP13,500$142.8K0.03%00.0%Unchanged
Morgan Stanley54$5710.00%+53+5,300.0%Added