Oaktree Acquisition Corp. III Life Sciences
OACC- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002029769
No open-market purchases or sales by Oaktree Acquisition Corp. III Life Sciences insiders were filed in the last 90 days; 51 institutions reported holding it in 13F filings for Q2 2026, worth $181.5M in total; no superinvestor holds it.
Holders of 5% or more of OACC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Oaktree Acquisition Corp. III Life Sciences, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Oaktree Acquisition Holdings III LS, LLC | 13G | 22.30%5.50M shares | New | Feb 12, 20251 filing | Feb 12, 2025 | SEC |
| AQR Capital Management LLC | 13G/A | 7.33%1.45M shares | – | May 14, 20251 filing | May 14, 2025 | SEC |
| Barclays PLC | 13G | 6.99%1.38M shares | +2.64 ppfrom 4.35% | May 13, 20253 filings | Aug 13, 2026 | SEC |
| Goldman Sachs Group Inc | 13G | 6.20%1.23M shares | +2.10 ppfrom 4.10% | May 9, 20253 filings | May 11, 2026 | SEC |
| Decagon Asset Management LLP | 13G | 5.52%1.09M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| Fort Baker Capital Management LP | 13G | 5.10%1.00M shares | New | May 15, 20261 filing | May 15, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on Oaktree Acquisition Corp. III Life Sciences, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20265:11 PM ET | Decagon Asset Management LLPand 1 other | 13G | 5.52%1.09M shares | New | Jun 30, 2026 | SEC |
| Aug 13, 20266:34 PM ET | Barclays PLC | 13G | 6.99%1.38M shares | +2.64 ppfrom 4.35% | Jun 30, 2026 | SEC |
| May 15, 20262:14 PM ET | Fort Baker Capital Management LPand 2 others | 13G | 5.10%1.00M shares | New | Mar 31, 2026 | SEC |
| May 11, 20263:04 PM ET | Goldman Sachs Group Incand 1 other | 13G | 6.20%1.23M shares | +2.10 ppfrom 4.10% | Mar 31, 2026 | SEC |
| Feb 11, 20264:06 PM ET | Barclays PLC | 13G/A | 4.35%861.6K shares | −2.84 ppfrom 7.19%Below 5% | Dec 31, 2025 | SEC |
| Aug 12, 202512:12 PM ET | Goldman Sachs Group Incand 1 other | 13G/A | 4.10%803.5K shares | −2.60 ppfrom 6.70%Below 5% | Jun 30, 2025 | SEC |
| Jul 15, 20254:12 PM ET | Millennium Management LLCand 2 others | 13G/A | 1.40%277.7K shares | –Below 5% | Jun 30, 2025 | SEC |
| May 14, 20254:15 PM ET | Healthcare of Ontario Pension Plan Trust Fund | 13G/A | 3.50%700.0K shares | −5.10 ppfrom 8.60%Below 5% | Mar 31, 2025 | SEC |
| May 14, 202512:37 PM ET | AQR Capital Management LLCand 2 others | 13G/A | 7.33%1.45M shares | – | Mar 31, 2025 | SEC |
| May 13, 20255:11 PM ET | Barclays PLC | 13G | 7.19%1.30M shares | New | Mar 31, 2025 | SEC |
| May 9, 202512:31 PM ET | Goldman Sachs Group Incand 1 other | 13G | 6.70%1.34M shares | New | Mar 31, 2025 | SEC |
| Feb 14, 20254:01 PM ET | Healthcare of Ontario Pension Plan Trust Fund | 13G | 8.60%1.70M shares | New | Dec 31, 2024 | SEC |
| Feb 12, 20259:18 PM ET | Oaktree Acquisition Holdings III LS, LLCand 3 others | 13G | 22.30%5.50M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Oaktree Acquisition Corp. III Life Sciences shares.
No Form 144 notices for Oaktree Acquisition Corp. III Life Sciences are on file.