Comparable stake leader
Oaktree Acquisition Holdings III LS, LLC
SEC ownership of Oaktree Acquisition Corp. III Life Sciences
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002029769.
Disclosed value leader
Oaktree Acquisition Holdings III LS, LLC
Comparable rows
36/50
Latest evidence
31 Mar 2026
- Public ticker
- OACC, OACCU, OACCW on Nasdaq
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Oaktree Acquisition Holdings III LS, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
36 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Oaktree Acquisition Holdings III LS, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002029769
- Issuer location
- Los Angeles, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Oaktree Acquisition Corp. III Life Sciences (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Oaktree Acquisition Holdi...
Disclosed value leader
Oaktree Acquisition Holdi...
Comparable rows
36/50
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 22%
14 rows are not safely comparable across share classes.
13D/G row: Oaktree Acquisition Holdings III LS, LLC
Showing 1-8 of 50 holder rows.
Quick read
Oaktree Acquisition Holdings III LS, LLC leads the comparable SEC ownership view at 22%.
36 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Oaktree Acquisition Holdings III LS, LLC's linked filing trail.
Comparable ownership
Top 5
Oaktree Acquisition Holdings III ...
22%
AQR CAPITAL MANAGEMENT LLC
7.3%
GOLDMAN SACHS GROUP INC
6.2%
Fort Baker Capital Management LP
5.1%
BARCLAYS PLC
4.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Oaktree Acquisition Holdings III LS, LLC |
13D/G
3/4/5
10%+ Owner
|
22%
|
$56,160,462
5,500,535 shares
|
$0 | 31 Dec 2024 |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
|
7.3%
|
$14,812,158
1,450,750 shares
|
$0 | 31 Mar 2025 |
| GOLDMAN SACHS GROUP INC |
13F
13D/G
Company · THE GOLDMAN SACHS GROUP, INC.
|
6.2%
from 13D/G
|
$5,602,480
529,535 shares
|
— | 31 Mar 2026 |
| Fort Baker Capital Management LP |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$10,580,000
1,000,000 shares
|
— | 31 Mar 2026 |
| BARCLAYS PLC |
13D/G
|
4.4%
|
$9,115,992
861,625 shares
|
-$4,628,750 | 31 Dec 2025 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13D/G
13F
Company
|
3.5%
|
$7,147,000
700,000 shares
|
-$10,210,000 | 31 Mar 2025 |
| MILLENNIUM MANAGEMENT LLC |
13D/G
13F
Company
|
1.4%
|
$2,915,734
277,689 shares
|
$0 | 30 Jun 2025 |
| Empyrean Capital Partners, LP |
13F
Company
|
4.5%
|
$9,558,000
900,000 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 14 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-11 of 11 reporting-owner rows connected to Oaktree Acquisition Corp. III Life Sciences. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Oaktree Acquisition Holdings III LS, LLC
Net 12M change
$0
Latest report
29 Oct 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Oaktree Acquisition Holdings III LS, LLC | 10%+ Owner | $5,839,810 | Mixed | 30 Oct 2024 | ||
| Thomas Sweeney | Chief Financial Officer | Mixed | 03 Jun 2025 | |||
| Paul M. Meister | Director | Mixed | 23 Oct 2024 | |||
| Zaid Pardesi | Chief Executive Officer | Mixed | 23 Oct 2024 | |||
| Courtney Conigliaro | Chief Financial Officer | Mixed | 23 Oct 2024 | |||
| Mathew Pendo | Chief Operating Officer | Mixed | 23 Oct 2024 | |||
| Aman Kumar | Director | Mixed | 23 Oct 2024 | |||
| Alvin Shih | Director | Mixed | 23 Oct 2024 | |||
| John Frank | Director | Mixed | 23 Oct 2024 | |||
| David A. Berry | Director | Mixed | 17 Oct 2025 | |||
| George Arthur Martinez | Chief Financial Officer | Mixed | 29 Oct 2025 |
Recent insider transactions for Oaktree Acquisition Corp. III Life Sciences
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.