13F reference period
Q2 2026
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 Q3 2026
Institutions Reporting
51
Shares (Excl. Options)
16.96M
Full value: 16,957,376 · shares · 30 Jun 2026Price
$10.70
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Class A ordinary shares, par value $0.0001 per share
- Symbol
- OACC on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 16,957,376
- Total 13F value
- $181,498,953
- Portfolio coverage rank
- 0%
- Share change
- +54,194
- Value change
- +$644,809
- Number of holders
- 51
- Shares outstanding
- 19,770,417
- SEC-reported price per share
- $10.78
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
Filing notes and source
Key facts
- OACC - Oaktree Acquisition Corp. III Life Sciences - Class A ordinary shares, par value $0.0001 per share is tracked under CUSIP G6717R104.
- 51 institutions reported positions in Q2 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 51 to 51 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$178.89M
Full value: $178,889,362 · USD · 31 Mar 2026.$181.5M
Full value: $181,498,953 · USD · 30 Jun 2026
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 Q2 2026.
Security key
G6717R104
13F reference period
Q2 2026
13F holders
51
13D/G owners
7
CIK / CUSIP context first
Open Q2 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
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,
51
institutional investors reported holding
shares of
Oaktree Acquisition Corp. III Life Sciences - Class A ordinary shares, par value $0.0001 per share (OACC).
This represents
86%
of the company’s total
outstanding shares.
16.96M
Full value: 16,957,376 · shares · 30 Jun 202619.77M
Full value: 19,770,417 · shares · Stored outstanding share count13F 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 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 1.5% | 300,000 | 0% | 0.05% | $3,210,000 |
| Governors Lane LP | 1.5% | 300,000 | 0% | 0.32% | $3,210,000 |
| O'Connor Alternative Investments LLC | 1.5% | 300,000 | 0% | 0.23% | $3,213,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
8
Headline period
Q2 2026
Rows shown
1-8 of 8
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 204,945 | $2,209,006 | -$2,156,000 | $10.76 | 2 |
| 2026 Q2 | 16,957,376 | $181,498,953 | +$644,809 | $10.70 | 51 |
| 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 |