Security Snapshot

Oaktree Acquisition Corp. III Life Sciences - Class A ordinary shares, par value $0.0001 per share (OACC) Institutional Ownership

CUSIP: G6717R104

13F Institutional Holders and Ownership History from Q4 2024 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

50

Shares (Excl. Options)

16,842,374

Price

$10.70

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-60,808
Value change
-$586,191
Number of holders
50
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
19,770,417
SEC-reported price per share
$10.75
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • OACC - Oaktree Acquisition Corp. III Life Sciences - Class A ordinary shares, par value $0.0001 per share is tracked under CUSIP G6717R104.
  • 50 institutions reported positions in Q2 2026.
  • 7 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 51 to 50 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $178,889,362 to $180,267,953.

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 50 institutions filings for Q2 2026.

Open SEC evidence

Security key

G6717R104

Latest holder period

Q2 2026

13F holders

50

13D/G owners

7

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
7
Security
OACC
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 7% +66% $14,817,467 +$5,598,080 1,384,810 +61% Barclays PLC 30 Jun 2026
Decagon Asset Management LLP 5.5% $11,677,199 1,091,327 Decagon Asset Management LLP 30 Jun 2026
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 30 Jun 2026, 50 institutional investors reported holding 16,842,374 shares of Oaktree Acquisition Corp. III Life Sciences - Class A ordinary shares, par value $0.0001 per share (OACC). This represents 85% of the company’s total 19,770,417 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
72%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
AQR Arbitrage LLC 6.7% 1,324,175 0% 0.2% $14,181,914
Fort Baker Capital Management LP 5.6% 1,105,394 +11% 0.94% $11,827,716
Decagon Asset Management LLP 5.5% 1,091,327 +8.9% 2.3% $11,677,199
Empyrean Capital Partners, LP 4.6% 900,000 0% 0.34% $9,630,000
D. E. Shaw & Co., Inc. 4.4% 861,625 0% 0.01% $9,228,004
BOUSSARD & GAVAUDAN GESTION SAS 3.6% 720,000 0% 1.2% $7,704,000
Linden Advisors LP 3% 600,000 0% 0.03% $6,426,000
TORONTO DOMINION BANK 2.8% 554,294 +12% 0.01% $5,930,946
Sculptor Capital LP 2.7% 530,807 0% 0.06% $5,679,635
GOLDMAN SACHS GROUP INC 2.7% 529,535 0% 0% $5,666,025
MOORE CAPITAL MANAGEMENT, LP 2.7% 525,000 0% 0.13% $5,617,500
LMR Partners LLP 2.6% 510,900 0% 0.04% $5,466,630
Alberta Investment Management Corp 2.5% 500,000 0% 0.03% $5,355,000
Verition Fund Management LLC 2.4% 470,342 +54% 0.04% $5,037,363
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 2.3% 450,000 0% 0.01% $4,819,500
Ghisallo Capital Management LLC 2.3% 450,000 0% 0.09% $4,819,500
TWO SIGMA INVESTMENTS, LP 2.2% 437,500 0% 0% $4,681,250
GRITSTONE ASSET MANAGEMENT LLC 2% 394,908 0% 4.1% $4,225,516
Radcliffe Capital Management, L.P. 2% 387,222 +1.2% 0.32% $4,143,275
K2 PRINCIPAL FUND, L.P. 1.9% 365,900 +87% 0.47% $3,915,130
GLAZER CAPITAL, LLC 1.8% 357,649 -0.08% 0.09% $3,827,000
Periscope Capital Inc. 1.6% 323,400 0% 0.55% $3,460,380
Hudson Bay Capital Management LP 1.5% 300,000 0% 0.02% $3,213,000
O'Connor Alternative Investments LLC 1.5% 300,000 0% 0.23% $3,213,000
TENOR CAPITAL MANAGEMENT Co., L.P. 1.5% 300,000 0% 0.05% $3,210,000

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
7
Latest
Q2 2026
Rows shown
1-7 of 7
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 16,842,374 $180,267,953 -$586,191 $10.70 50
2026 Q1 16,903,182 $178,889,362 -$459,767 $10.58 51
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
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