Security Snapshot

Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK (OACC) Institutional Ownership

CUSIP: G6717R104

13F Institutional Holders and Ownership History from Q4 2024 to Q4 2025

Latest Period

Q4 2025

Institutions Reporting

49

Shares (Excl. Options)

16,853,779

Price

$10.58

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Type / Class
Equity / COMMON-STOCK
Symbol
OACC on Nasdaq
Shares outstanding
19,807,471
Price per share
$10.70
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
16,853,779
Total reported value
$178,636,436
% of total 13F portfolios
0%
Share change
-59,441
Value change
-$618,567
Number of holders
49
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • OACC - Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK is tracked under CUSIP G6717R104.
  • 49 institutions reported positions in Q4 2025.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 48 to 49 between Q3 2025 and Q4 2025.
  • Reported value moved from $175,078,843 to $178,636,436.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 49 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP G6717R104?
CUSIP G6717R104 identifies OACC - Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK (OACC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Oaktree Acquisition Holdings III LS, LLC 22% $56,160,462 5,500,535 Oaktree Acquisition Holdings III LS, LLC 31 Dec 2024
AQR CAPITAL MANAGEMENT LLC 7.3% $14,812,158 1,450,750 AQR Capital Management, LLC 31 Mar 2025
BARCLAYS PLC 4.4% -41% $9,115,992 -$4,628,750 861,625 -34% Barclays PLC 31 Dec 2025
GOLDMAN SACHS GROUP INC 4.1% -37% $8,396,439 -$5,580,457 803,487 -40% THE GOLDMAN SACHS GROUP, INC. 30 Jun 2025
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 3.5% -57% $7,147,000 -$10,210,000 700,000 -59% Healthcare of Ontario Pension Plan Trust Fund 31 Mar 2025
MILLENNIUM MANAGEMENT LLC 1.4% $2,915,734 277,689 Millennium Management LLC 30 Jun 2025

As of 31 Dec 2025, 49 institutional investors reported holding 16,853,779 shares of Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK (OACC). This represents 85% of the company’s total 19,807,471 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK (OACC) together control 70% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
AQR Arbitrage LLC 7.1% 1,412,750 0% 0.32% $15,017,533
Empyrean Capital Partners, LP 4.5% 900,000 +20% 0.33% $9,522,000
D. E. Shaw & Co., Inc. 4.4% 861,625 0% 0.01% $9,159,074
Boussard & Gavaudan Investment Management LLP 3.6% 720,000 -4% 1.5% $7,653,528
Decagon Asset Management LLP 3.4% 675,637 +4.9% 3% $7,148,240
TORONTO DOMINION BANK 3.4% 675,197 -28% 0.01% $7,143,584
Driehaus Capital Management LLC 3.4% 670,072 -6% 0.05% $7,122,865
HighTower Advisors, LLC 3.2% 627,029 -4.7% 0.01% $6,633,967
Linden Advisors LP 3% 600,000 0% 0.04% $6,378,000
Sculptor Capital LP 2.7% 530,537 +6.1% 0.07% $5,613,081
GOLDMAN SACHS GROUP INC 2.7% 529,535 0% 0% $5,602,480
MOORE CAPITAL MANAGEMENT, LP 2.7% 525,000 0% 0.11% $5,554,500
LMR Partners LLP 2.6% 510,900 0% 0.05% $5,405,322
Alberta Investment Management Corp 2.5% 500,000 0% 0.03% $5,315,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 2.3% 450,000 0% 0.01% $4,783,500
Ghisallo Capital Management LLC 2.3% 450,000 0% 0.21% $4,783,500
TWO SIGMA INVESTMENTS, LP 2.2% 437,500 0% 0.01% $4,628,750
Hudson Bay Capital Management LP 2% 400,000 0% 0.02% $4,252,000
GRITSTONE ASSET MANAGEMENT LLC 2% 394,908 0% 4% $4,178,127
Radcliffe Capital Management, L.P. 1.9% 377,065 +67% 0.22% $3,989,348
Shaolin Capital Management LLC 1.9% 375,000 +6.9% 0.15% $3,967,500
Glazer Capital, LLC 1.8% 365,100 0% 0.1% $3,863,000
Periscope Capital Inc. 1.6% 323,400 -19% 0.66% $3,421,572
Verition Fund Management LLC 1.6% 309,740 +92% 0.02% $3,292,536
Governors Lane LP 1.5% 300,000 0% 0.29% $3,174,000

Institutional Holders of Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK (OACC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 16,853,779 $178,636,436 -$618,567 $10.58 49
2025 Q3 16,680,578 $175,078,843 +$2,165,225 $10.51 48
2025 Q2 16,481,529 $172,447,168 +$16,137,792 $10.45 47
2025 Q1 14,996,124 $153,193,850 +$61,471,490 $10.23 39
2024 Q4 8,990,036 $89,803,971 +$78,749,069 $9.96 20