Who Owns Oaktree Acquisition Corp. III Life Sciences (OACC)?Hedge Fund & Institutional Holders

$10.63-0.07 (-0.65%)Financial ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.5017952290007653e+180T

% of Float Held

—

QoQ Change in Holders

+6 / -1

Price History

$9.96$10.14$10.33$10.52$10.70Dec 24Jul 25Mar 26

OACC — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
GRITSTONE ASSET MANAGEMENT LLCNew Position+474K+$4.2M
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)New Position+300K+$3.2M
Lineage Point Capital LPNew Position+233K+$2.5M
Weiss Asset Management LPNew Position+65K+$46K
BNP PARIBAS FINANCIAL MARKETSNew Position+106K+$0
MIZUHO SECURITIES USA LLCNew Position+25K+$0
MORGAN STANLEYIncreased+53+$-11K
Rangeley Capital, LLCIncreased+2K+$-397.1M
Clear Street Group Inc.Increased+888+$-454.4M
UBS Group AGIncreased+696+$-1.1B
DLD Asset Management, LPIncreased+54K+$-1.3B
Verition Fund Management LLCIncreased+148K+$-1.7B
Radcliffe Capital Management, L.P.Increased+151K+$-2.4B
Shaolin Capital Management LLCIncreased+24K+$-3.8B
Sculptor Capital LPIncreased+31K+$-5.3B

OACC — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
AQR Arbitrage LLCDecreased-106K-$15.1B
TORONTO DOMINION BANKDecreased-260K-$9.8B
Boussard & Gavaudan Investment Management LLPDecreased-30K-$8.0B
DRIEHAUS CAPITAL MANAGEMENT LLCDecreased-43K-$7.6B
Decagon Asset Management LLPDecreased-14K-$6.9B
HighTower Advisors, LLCDecreased-31K-$6.9B
PERISCOPE CAPITAL INC.Decreased-77K-$4.3B
Hudson Bay Capital Management LPDecreased-320-$4.2B
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSDecreased-25K-$2.9B
METEORA CAPITAL, LLCDecreased-58K-$2.6B
Schonfeld Strategic Advisors LLCDecreased-15K-$1.4B
JPMORGAN CHASE & CODecreased-25K-$892.1M
CITIGROUP INCDecreased-6K-$532.9M
Walleye Capital LLCDecreased-300-$127.4M
HIGHBRIDGE CAPITAL MANAGEMENT LLCClosed Position-100-$75K

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1AQR Arbitrage LLC1,412,750$15.0M0.32%Share
2Empyrean Capital Partners, LP900,000$9.5M0.33%Share
3D. E. Shaw & Co., Inc.861,625$9.0M0.00%Share
4Boussard & Gavaudan Investment Management LLP720,000$7.7M0.58%Share
5Decagon Asset Management LLP675,637$7.1M2.75%Share
6DRIEHAUS CAPITAL MANAGEMENT LLC670,072$7.1M0.05%Share
7TORONTO DOMINION BANK675,197$7.0M0.01%Share
8LINDEN ADVISORS LP600,000$6.4M0.04%Share
9HighTower Advisors, LLC627,029$6.0M0.01%Share
10MOORE CAPITAL MANAGEMENT, LP525,000$5.6M0.08%Share
11ADAR1 Capital Management, LLC516,482$5.5M0.40%Share
12GOLDMAN SACHS GROUP INC529,535$5.0M0.00%Share
13Sculptor Capital LP530,537$5.0M0.05%Share
14LMR Partners LLP510,900$5.0M0.01%Share
15Alberta Investment Management Corp500,000$5.0M0.02%Share
16Ghisallo Capital Management LLC450,000$4.8M0.21%Share
17GRITSTONE ASSET MANAGEMENT LLC394,908$4.2M3.99%Share
18Hudson Bay Capital Management LP400,000$4.0M0.01%Share
19HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND450,000$4.0M0.01%Share
20TWO SIGMA INVESTMENTS, LP437,500$4.0M0.01%Share
21Radcliffe Capital Management, L.P.377,065$4.0M0.22%Share
22Shaolin Capital Management LLC375,000$4.0M0.12%Share
23GLAZER CAPITAL, LLC365,100$3.9M0.10%Share
24PERISCOPE CAPITAL INC.323,400$3.4M0.39%Share
25Governors Lane LP300,000$3.2M0.19%Share
26OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)300,000$3.2M0.37%Share
27TENOR CAPITAL MANAGEMENT Co., L.P.300,000$3.2M0.04%Share
28Verition Fund Management LLC309,740$3.0M0.01%Share
29Affinity Asset Advisors, LLC250,000$2.7M0.15%Share
30WHITEBOX ADVISORS LLC250,000$2.6M0.04%Share
31Lineage Point Capital LP232,933$2.5M0.80%Share
32BERKLEY W R CORP223,645$2.4M0.11%Share
33K2 PRINCIPAL FUND, L.P.195,292$2.1M0.17%Share
34METEORA CAPITAL, LLC190,978$2.0M0.17%Share
35COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS250,000$2.0M0.01%Share
36MILLENNIUM MANAGEMENT LLC273,914$2.0M0.00%Share
37DLD Asset Management, LP135,535$1.4M0.11%Share
38Schonfeld Strategic Advisors LLC115,174$1.2M0.01%Share
39UBS Group AG100,481$1.1M0.00%Share
40Athos Capital Ltd50,000$536K0.21%Share
41Centiva Capital, LP40,400$429K0.00%Share
42Rangeley Capital, LLC40,032$423K0.35%Share
43READYSTATE ASSET MANAGEMENT LP25,000$265K0.01%Share
44AQR Arbitrage LLC290,150$206K0.00%Share
45Kepos Capital LP15,000$159K0.90%Share
46Bulldog Investors, LLP13,500$142K0.03%Share
47Boussard & Gavaudan Investment Management LLP150,000$133K0.01%Share
48DRIEHAUS CAPITAL MANAGEMENT LLC180,000$127K0.00%Share
49Decagon Asset Management LLP147,502$104K0.04%Share
50UBS Group AG9,765$103K0.00%Share

OACC Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202557$179.8M+5
Q3 202552$172.8B+9
Q2 202543$146.2B-4
Q1 202547$176.3B+7
Q4 202440$168.6B—

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As of Q4 2025, 50 institutional investors hold OACC (Oaktree Acquisition Corp. III Life Sciences). The largest holder is AQR Arbitrage LLC with $15.0M in shares. This quarter, 6 institutions opened new positions and 1 closed their positions.

Frequently Asked Questions

How many hedge funds own OACC?

As of Q4 2025, 50 institutional investors report holding OACC (Oaktree Acquisition Corp. III Life Sciences) in their 13F filings.

Who is the largest institutional holder of OACC?

The largest institutional holder of OACC is AQR Arbitrage LLC with $15.0M in shares.

Is institutional ownership of OACC increasing or decreasing?

This quarter, 6 institutions opened new positions in OACC and 1 closed their positions.