Latest Period
Q1 2026
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 Q1 2026
Institutions Reporting
51
Shares (Excl. Options)
16,903,182
Price
$10.58
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- Security type / class
- Equity / COMMON-STOCK
- Symbol
- OACC on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 16,903,182
- Total 13F value
- $178,889,362
- Portfolio coverage rank
- 0%
- Share change
- -32,117
- Value change
- -$459,767
- Number of holders
- 51
- Shares outstanding
- 19,807,471
- SEC-reported price per share
- $10.58
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- OACC - Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK is tracked under CUSIP G6717R104.
- 51 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 49 to 51 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $178,636,436 to $178,889,362.
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
Open SEC evidence
Latest holder context comes from 51 institutions filings for Q1 2026.
Security key
G6717R104
Latest holder period
Q1 2026
13F holders
51
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
OACC full holder history
Oaktree Acquisition Corp. III Life Sciences SEC filings
Oaktree Acquisition Corp. III Life Sciences company facts
Oaktree Acquisition Corp. III Life Sciences insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G6717R104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
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 | 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 Mar 2026, 51 institutional investors reported holding 16,903,182 shares of Oaktree Acquisition Corp. III Life Sciences - COMMON-STOCK (OACC). This represents 85% of the company’s total 19,807,471 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
71%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| AQR Arbitrage LLC | 6.7% | 1,324,175 | -6.3% | 0.23% | $14,062,739 |
| Decagon Asset Management LLP | 5.1% | 1,002,427 | +48% | 2.8% | $10,605,677 |
| Fort Baker Capital Management LP | 5% | 1,000,000 | 0.94% | $10,580,000 | |
| Empyrean Capital Partners, LP | 4.5% | 900,000 | 0% | 0.32% | $9,558,000 |
| D. E. Shaw & Co., Inc. | 4.4% | 861,625 | 0% | 0.01% | $9,150,458 |
| Boussard & Gavaudan Investment Management LLP | 3.6% | 720,000 | 0% | 2.5% | $7,617,600 |
| Linden Advisors LP | 3% | 600,000 | 0% | 0.04% | $6,372,000 |
| Sculptor Capital LP | 2.7% | 530,807 | +0.05% | 0.06% | $5,615,938 |
| GOLDMAN SACHS GROUP INC | 2.7% | 529,535 | 0% | 0% | $5,602,480 |
| MOORE CAPITAL MANAGEMENT, LP | 2.7% | 525,000 | 0% | 0.2% | $5,554,500 |
| LMR Partners LLP | 2.6% | 510,900 | 0% | 0.05% | $5,405,322 |
| HighTower Advisors, LLC | 2.6% | 510,836 | -19% | 0.01% | $5,404,645 |
| Alberta Investment Management Corp | 2.5% | 500,000 | 0% | 0.03% | $5,310,000 |
| TORONTO DOMINION BANK | 2.5% | 496,650 | -26% | 0.01% | $5,254,557 |
| Ghisallo Capital Management LLC | 2.3% | 450,000 | 0% | 0.13% | $4,779,000 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 2.3% | 450,000 | 0% | 0.01% | $4,779,000 |
| TWO SIGMA INVESTMENTS, LP | 2.2% | 437,500 | 0% | 0% | $4,628,750 |
| GRITSTONE ASSET MANAGEMENT LLC | 2% | 394,908 | 0% | 4.5% | $4,178,127 |
| Radcliffe Capital Management, L.P. | 1.9% | 382,445 | +1.4% | 0.31% | $4,055,829 |
| GLAZER CAPITAL, LLC | 1.8% | 357,922 | -2% | 0.08% | $3,787,000 |
| Periscope Capital Inc. | 1.6% | 323,400 | 0% | 0.6% | $3,429,657 |
| Shaolin Capital Management LLC | 1.6% | 314,990 | -16% | 0.28% | $3,332,594 |
| Verition Fund Management LLC | 1.5% | 305,048 | -1.5% | 0.03% | $3,239,610 |
| Governors Lane LP | 1.5% | 300,000 | 0% | 0.4% | $3,181,500 |
| Hudson Bay Capital Management LP | 1.5% | 300,000 | -25% | 0.02% | $3,186,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
6
Latest
Q1 2026
Rows shown
1-6 of 6
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 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 |