Skip to main content
Livermore
Livermore
ZHEN

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, Q1 2026

Institutional positions in Oaktree Acquisition Corp. III Life Sciences as of Mar 31, 2026. 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
51
+3 vs. Q4 2025
Shares held
16.9M
+349.4K (+2.1%) vs. Q4 2025
Total value
$178.9M
+$3.43M (+2.0%) vs. Q4 2025
New holders
5
8 more added
Sold out
2
11 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 51 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 heldQ1 2026: $178.9M
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, Q1 2026

Shares, value and share of portfolio for each institution holding Oaktree Acquisition Corp. III Life Sciences; share changes are against Q4 2025.

Institutions holding OACC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley75$7940.00%+21+38.9%Added
Warberg Asset Management LLC10,025$106.3K0.03%+10,025New
Citadel Advisors LLC10,253$108.9K0.00%+10,253New
Bulldog Investors, LLP13,500$143.3K0.03%00.0%Unchanged
Kepos Capital LP15,000$159.0K0.26%00.0%Unchanged
Geode Capital Management, LLC15,243$161.9K0.00%00.0%Unchanged
Clear Street Group Inc.21,000$222.2K0.00%00.0%Unchanged
Mizuho Securities USA LLC25,000$263.8K0.01%00.0%Unchanged
Readystate Asset Management LP25,000$265.5K0.02%00.0%Unchanged
Rangeley Capital, LLC61,188$423.6K0.46%+21,156+52.8%Added
Citigroup Inc45,000$477.9K0.00%00.0%Unchanged
JPMorgan Chase & Co49,930$528.3K0.00%+36+0.1%Added
UBS Group AG71,763$759.3K0.00%−28,718−28.6%Reduced
Picton Mahoney Asset Management75,000$793.5K0.01%00.0%Unchanged
BNP Paribas Arbitrage, SA81,520$862.5K0.00%+81,520New
Schonfeld Strategic Advisors LLC110,107$1.17M0.01%−5,067−4.4%Reduced
DLD Asset Management, LP136,735$1.45M0.15%+1,200+0.9%Added
Millennium Management LLC175,000$1.85M0.00%−98,914−36.1%Reduced
Meteora Capital, LLC182,093$1.93M0.14%−8,885−4.7%Reduced
K2 Principal Fund, L.P.195,292$2.07M0.22%00.0%Unchanged
Berkley W R Corp223,645$2.37M0.13%00.0%Unchanged
Lineage Point Capital LP232,645$2.47M0.60%+30.0%Added
Whitebox Advisors LLC250,000$2.65M0.04%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys250,000$2.65M0.01%00.0%Unchanged
Tenor Capital Management Co., L.P.300,000$3.17M0.05%00.0%Unchanged
O'Connor Alternative Investments LLC300,000$3.17M0.17%+300,000New
Governors Lane LP300,000$3.18M0.40%00.0%Unchanged
Hudson Bay Capital Management LP300,000$3.19M0.02%−100,000−25.0%Reduced
Verition Fund Management LLC305,048$3.24M0.03%−4,692−1.5%Reduced
Shaolin Capital Management LLC314,990$3.33M0.14%−60,010−16.0%Reduced
Periscope Capital Inc.323,400$3.43M0.60%00.0%Unchanged
Glazer Capital, LLC357,922$3.79M0.08%−7,178−2.0%Reduced
Radcliffe Capital Management, L.P.382,445$4.06M0.30%+5,380+1.4%Added
Gritstone Asset Management LLC394,908$4.18M4.46%00.0%Unchanged
Two Sigma Investments, LP437,500$4.63M0.00%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund450,000$4.78M0.01%00.0%Unchanged
Ghisallo Capital Management LLC450,000$4.78M0.13%00.0%Unchanged
Toronto Dominion Bank496,650$5.25M0.01%−178,547−26.4%Reduced
Alberta Investment Management Corp500,000$5.31M0.03%00.0%Unchanged
HighTower Advisors, LLC510,836$5.40M0.01%−116,193−18.5%Reduced
LMR Partners LLP510,900$5.41M0.05%00.0%Unchanged
Moore Capital Management, LP525,000$5.55M0.20%00.0%Unchanged
Goldman Sachs Group Inc529,535$5.60M0.00%00.0%Unchanged
Sculptor Capital LP530,807$5.62M0.06%+270+0.1%Added
Linden Advisors LP600,000$6.37M0.04%00.0%Unchanged
Boussard & Gavaudan Investment Management LLP720,000$7.62M0.73%00.0%Unchanged
D. E. Shaw & Co., Inc.861,625$9.15M0.01%00.0%Unchanged
Empyrean Capital Partners, LP900,000$9.56M0.32%00.0%Unchanged
Fort Baker Capital Management LP1,000,000$10.6M0.94%+1,000,000New
Decagon Asset Management LLP1,002,427$10.6M2.76%+326,790+48.4%Added
CNH Partners LLC1,324,175$14.1M0.23%−88,575−6.3%Reduced
Driehaus Capital Management LLC0$00.00%−670,072−100.0%Sold out
Centiva Capital, LP0$00.00%−40,400−100.0%Sold out
UBS Oconnor LLC––––Not filed