OACC · Oaktree Acquisition Corp. III Life Sciences

$10.80 +0.00 (+0.00%) At close · Sep 4

Market Cap

$265.49M

24.58M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 56

Total Value: $189,540,519

Total Shares: 20,561,656

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 56 13F filers · Δ vs Mar 31, 2026

Top Holder

7.5%

−0.4 pts

Top 5

29.8%

−0.3 pts

Top 10

46.4%

−0.9 pts

HHI

346

Broadly held−8

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -2

Institutional value: +6.0%

Shares held: -0.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Small K2 PRINCIPAL FUND, L.P.	+171,919	406,269
Large Verition Fund Management LLC	+164,732	494,132
Mid Fort Baker Capital Management LP	+105,394	1,105,394
Small Decagon Asset Management LLP	+88,900	1,254,029
Small Lineage Point Capital LP	+79,228	311,873

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small Shaolin Capital Management LLC	−127,018	301,172
Mega UBS Group AG	−70,185	11,605
Small Rangeley Capital, LLC	−20,949	40,239
Mid MIZUHO SECURITIES USA LLC	−8,831	16,169
Mega CITIGROUP INC	−2,180	53,000

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Small BOUSSARD & GAVAUDAN GESTION SAS	870,000	$7,704,000
Large HRT FINANCIAL LP	14,920	$159,644

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small Boussard & Gavaudan Investment Management LLP	870,000	$7,617,600
Large HighTower Advisors, LLC	510,836	$5,404,644
Mega CITADEL ADVISORS LLC	10,253	$108,476
Mid Lighthouse Investment Partners, LLC	60,000	$0

Filter: New 2 Increased 12 Reduced 8 Sold out 4 Unchanged 34

Showing 85 of 85

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

AQR Arbitrage LLC

$14,168,672

7.48%

1,324,175

Fort Baker Capital Management LP

$11,827,715

6.24%

1,105,394

Decagon Asset Management LLP

$11,677,198

6.16%

1,091,327

Empyrean Capital Partners, LP

$9,630,000

5.08%

900,000

D. E. Shaw & Co., Inc.

$9,219,387

4.86%

861,625

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	861,625	$9,219,387	100.0%	Defined

BOUSSARD & GAVAUDAN GESTION SAS

$7,704,000

4.06%

720,000

Linden Advisors LP

$6,420,000

3.39%

600,000

TORONTO DOMINION BANK

$5,930,945

3.13%

554,294

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES (USA) LLC	554,294	$5,930,945	100.0%	Defined

ADAR1 Capital Management, LLC OACCU

$5,681,302

3.00%

516,482

Sculptor Capital LP

$5,679,634

3.00%

530,807

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Sculptor Capital II LP joint	530,807	$5,679,634	100.0%	Sole

GOLDMAN SACHS GROUP INC

$5,666,024

2.99%

529,535

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	529,535	$5,666,024	100.0%	Defined

MOORE CAPITAL MANAGEMENT, LP

$5,617,500

2.96%

525,000

LMR Partners LLP

$5,466,630

2.88%

510,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	510,900	$5,466,630	100.0%	Sole

Alberta Investment Management Corp

$5,350,000

2.82%

500,000

Verition Fund Management LLC

$5,032,659

2.66%

470,342

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

$4,815,000

2.54%

450,000

Ghisallo Capital Management LLC

$4,815,000

2.54%

450,000

TWO SIGMA INVESTMENTS, LP

$4,681,250

2.47%

437,500

GRITSTONE ASSET MANAGEMENT LLC

$4,225,515

2.23%

394,908

Radcliffe Capital Management, L.P.

$4,143,275

2.19%

387,222

K2 PRINCIPAL FUND, L.P.

$3,915,130

2.07%

365,900

GLAZER CAPITAL, LLC

$3,826,844

2.02%

357,649

Periscope Capital Inc.

$3,460,380

1.83%

323,400

TENOR CAPITAL MANAGEMENT Co., L.P.

$3,210,000

1.69%

300,000

O'Connor Alternative Investments LLC

$3,210,000

1.69%

300,000

Governors Lane LP

$3,210,000

1.69%

300,000

Hudson Bay Capital Management LP

$3,210,000

1.69%

300,000

Affinity Asset Advisors, LLC OACCU

$2,750,000

1.45%

250,000

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS

$2,675,000

1.41%

250,000

WHITEBOX ADVISORS LLC

$2,675,000

1.41%

250,000

Lineage Point Capital LP

$2,492,511

1.32%

232,945

BERKLEY W R CORP

$2,393,001

1.26%

223,645

Shaolin Capital Management LLC

$2,145,852

1.13%

200,547

METEORA CAPITAL, LLC

$1,989,665

1.05%

185,950

MILLENNIUM MANAGEMENT LLC

$1,872,500

0.99%

175,000

DLD Asset Management, LP

$1,770,154

0.93%

165,435

Schonfeld Strategic Advisors LLC

$1,548,043

0.82%

144,677

BNP PARIBAS ARBITRAGE, SA

$872,264

0.46%

81,520

PICTON MAHONEY ASSET MANAGEMENT

$802,500

0.42%

75,000

Athos Capital Ltd OACCU

$550,000

0.29%

50,000

JPMORGAN CHASE & CO

$534,272

0.28%

49,932

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	49,932	$534,272	100.0%	Defined

CITIGROUP INC

$481,500

0.25%

45,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	45,000	$481,500	100.0%	Defined

Rangeley Capital, LLC

$430,556

0.23%

40,239

READYSTATE ASSET MANAGEMENT LP

$267,500

0.14%

25,000

Clear Street Group Inc. OACCU

$241,725

0.13%

21,975

Clear Street Group Inc.

$224,700

0.12%

21,000

MIZUHO SECURITIES USA LLC

$173,008

0.09%

16,169

GEODE CAPITAL MANAGEMENT, LLC

$163,100

0.09%

15,243

Kepos Capital LP

$160,500

0.08%

15,000

HRT FINANCIAL LP

$159,644

0.08%

14,920

Bulldog Investors, LLP

$144,450

0.08%

13,500

Warberg Asset Management LLC

$107,395

0.06%

10,037

UBS Group AG OACCU

$104,104

0.05%

9,464

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	9,464	$104,104	100.0%	Defined

UBS Group AG

$16,906

0.01%

1,580

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	1,580	$16,906	100.0%	Defined

MORGAN STANLEY

$609

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY CAPITAL SERVICES, LLC	57	$609	100.0%	Defined

Weiss Asset Management LP OACCW

—

144,767

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WEISS ANDREW M joint	144,767	$0	—	Defined

TENOR CAPITAL MANAGEMENT Co., L.P. OACCW

—

60,000

Schonfeld Strategic Advisors LLC OACCW

—

16,500

ExodusPoint Capital Management, LP OACCW

—

60,000

Periscope Capital Inc. OACCW

—

90,000

MILLENNIUM MANAGEMENT LLC OACCW

—

35,000

Alberta Investment Management Corp OACCW

—

100,000

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND OACCW

—

340,000

Walleye Capital LLC OACCW

—

169,502

CITIGROUP INC OACCW

—

8,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	8,000	$0	—	Defined

AQR Arbitrage LLC OACCW

—

282,120

MOORE CAPITAL MANAGEMENT, LP OACCW

—

105,000

Clear Street Group Inc. OACCW

—

9,274

Sculptor Capital LP OACCW

—

50,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Sculptor Capital II LP joint	50,000	$0	—	Sole

PICTON MAHONEY ASSET MANAGEMENT OACCW

—

15,000

BNP PARIBAS ARBITRAGE, SA OACCW

—

105,907

GRITSTONE ASSET MANAGEMENT LLC OACCW

—

78,981

WHITEBOX ADVISORS LLC OACCW

—

50,000

LMR Partners LLP OACCW

—

95,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR PARTNERS (DIFC) Ltd	95,000	$0	—	Sole

K2 PRINCIPAL FUND, L.P. OACCW

—

40,369

Shaolin Capital Management LLC OACCW

—

100,625

Verition Fund Management LLC OACCW

—

23,790

UBS Group AG OACCW

—

561

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	561	$0	—	Defined

DLD Asset Management, LP OACCW

—

44,519

Lineage Point Capital LP OACCW

—

78,928

JPMORGAN CHASE & CO OACCW

—

145,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	145,000	$0	—	Defined

Linden Advisors LP OACCW

—

120,000

BOUSSARD & GAVAUDAN GESTION SAS OACCW

—

150,000

TORONTO DOMINION BANK OACCW

—

189,816

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TD SECURITIES (USA) LLC	189,816	$0	—	Defined

Decagon Asset Management LLP OACCW

—

162,702

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	10,253	$108,476	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
North Rock Capital Management, LLC	60,000	$0	—	Defined

Key facts CIK 2029769 CUSIP G6717R104 13F (30d) 45 filings 45 filers Visit website