Oaktree Acquisition Corp. III Life Sciences OACC Institutional Ownership

NASDAQ OACC

$10.78 +0.00 (+0.00%)

At close: Sep 29, 2026 · 4:00 PM EDT

Institutions by Trading Activity

51 Institutions

Increased 15 29.4%

Unchanged 31 60.8%

Reduced 5 9.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

56.62%

▲+0.21 pp QoQ

Shares Held by Institutions

16.97Mn

of 29.97Mn outstanding

▲+8.33% QoQ

Shares Outstanding

29.97Mn

13.00Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+1.30Mn

accumulated since last quarter

Value of Holdings

$182.90Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Oaktree Acquisition Corp. III Life Sciences (NASDAQ:OACC) has 51 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 56.6% of outstanding shares in June 2026, up from 56.4% in March 2026.
They increased total shares held in OACC by 8.33% quarter over quarter, and investors in Oaktree Acquisition Corp. III Life Sciences increased 10.87% from a year ago.
Among the 51 funds, 15 bought more Oaktree Acquisition Corp. III Life Sciences shares, 5 sold down, and 31 held their ground.
Combined, these investors held 16.97Mn shares in OACC for June 2026, up by 1.3Mn shares quarter on quarter, and up 680.03K shares year over year.
AQR Arbitrage LLC holds the largest position in OACC at 1.32Mn shares as of June 30, 2026, or 4.42% of shares outstanding.
Leading buyers of Oaktree Acquisition Corp. III Life Sciences shares for the quarter ending June 2026 were BOUSSARD & GAVAUDAN GESTION SAS (720.0K), K2 PRINCIPAL FUND, L.P. (170.61K), Verition Fund Management LLC (165.29K), SkyView Investment Advisors, LLC (115.0K), Fort Baker Capital Management LP (105.39K).
Leading sellers of Oaktree Acquisition Corp. III Life Sciences shares for the quarter ending June 2026 were Shaolin Capital Management LLC (114.44K), UBS Group AG (70.18K), Rangeley Capital, LLC (20.95K), GLAZER CAPITAL, LLC (273), Morgan Stanley (18).
According to Business Quant data, leading holders of OACC for June 2026 are AQR Arbitrage LLC (1.32Mn), Fort Baker Capital Management LP (1.11Mn), Decagon Asset Management LLP (1.09Mn), Empyrean Capital Partners, LP (900.0K), D. E. Shaw & Co., Inc. (861.62K), BOUSSARD & GAVAUDAN GESTION SAS (720.0K), LINDEN ADVISORS LP (600.0K), Toronto Dominion Bank (554.29K), Sculptor Capital LP (530.81K), Goldman Sachs Group Inc (529.54K).

Form 13F Holdings

50 Institutional Holders

Report period 30 Jun, 2026

Total shares held 16.97Mn

Of outstanding 56.62%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	AQR Arbitrage LLC	0001167456	1,324,175	4.42%	0	0.00%	$14.18Mn
2	Fort Baker Capital Management LP	0001688382	1,105,394	3.69%	▲105,394	+10.54%	$11.83Mn
3	Decagon Asset Management LLP	0001950677	1,091,327	3.64%	▲88,900	+8.87%	$11.68Mn
4	Empyrean Capital Partners, LP	0001317195	900,000	3.00%	0	0.00%	$9.63Mn
5	D. E. Shaw & Co., Inc.	0001009207	861,625	2.88%	0	0.00%	$9.23Mn
6	BOUSSARD & GAVAUDAN GESTION SAS	0001569001	720,000	2.40%	▲720,000	0.00%	$7.70Mn
7	LINDEN ADVISORS LP	0001279396	600,000	2.00%	0	0.00%	$6.43Mn
8	Toronto Dominion Bank	0000947263	554,294	1.85%	▲57,644	+11.61%	$5.93Mn
9	Sculptor Capital LP	0001054587	530,807	1.77%	0	0.00%	$5.68Mn
10	Goldman Sachs Group Inc	0000886982	529,535	1.77%	0	0.00%	$5.67Mn
11	MOORE CAPITAL MANAGEMENT, LP	0001448574	525,000	1.75%	0	0.00%	$5.62Mn
12	LMR Partners LLP	0001578621	510,900	1.70%	0	0.00%	$5.47Mn
13	Alberta Investment Management Corp	0001463559	500,000	1.67%	0	0.00%	$5.36Mn
14	Verition Fund Management LLC	0001454027	470,342	1.57%	▲165,294	+54.19%	$5.04Mn
15	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	0001535845	450,000	1.50%	0	0.00%	$4.82Mn
15	Ghisallo Capital Management LLC	0001825214	450,000	1.50%	0	0.00%	$4.82Mn
16	TWO SIGMA INVESTMENTS, LP	0001179392	437,500	1.46%	0	0.00%	$4.68Mn
17	GRITSTONE ASSET MANAGEMENT LLC	0001964236	394,908	1.32%	0	0.00%	$4.23Mn
18	Radcliffe Capital Management, L.P.	0001218275	387,222	1.29%	▲4,777	+1.25%	$4.14Mn
19	K2 PRINCIPAL FUND, L.P.	0001461790	365,900	1.22%	▲170,608	+87.36%	$3.92Mn

Showing 1 to 20 of 50 holders