Comparable stake leader
Oaktree Capital I, L.P.
SEC ownership of Oaktree Specialty Lending Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001414932.
Disclosed value leader
Oaktree Capital I, L.P.
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- OCSL 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 Capital I, L.P.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Oaktree Capital I, L.P.
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
- 0001414932
- Issuer location
- Los Angles, 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 Specialty Lending Corp (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 Capital I, L.P.
Disclosed value leader
Oaktree Capital I, L.P.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 8.6%
13D/G row: Oaktree Capital I, L.P.
Showing 1-8 of 50 holder rows.
Quick read
Oaktree Capital I, L.P. leads the comparable SEC ownership view at 8.6%.
50 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 Capital I, L.P.'s linked filing trail.
Comparable ownership
Top 5
Oaktree Capital I, L.P.
8.6%
Craig A. Jacobson
0.08%
Deborah Ann Gero
0.03%
Phyllis R. Caldwell
0.03%
Armen Panossian
0.02%
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 Capital I, L.P. |
13D/G
Oaktree Capital Holdings, LLC
|
8.6%
|
$109,633,495
7,524,605 shares
|
$0 | 03 Feb 2025 |
| Craig A. Jacobson |
3/4/5
Director
|
0.08%
|
$960,939
71,667 shares
|
— | 06 May 2025 |
| Deborah Ann Gero |
3/4/5
Director
|
0.03%
|
$263,123
24,411 shares
|
+$21,558 | 16 Mar 2026 |
| Phyllis R. Caldwell |
3/4/5
Director
|
0.03%
|
$253,095
23,500 shares
|
+$66,501 | 16 Mar 2026 |
| Armen Panossian |
3/4/5
Chief Executive Officer and Co-Chief Investment Officer
|
0.02%
|
$293,748
20,789 shares
|
— | 07 May 2025 |
| PRIVATE MANAGEMENT GROUP INC |
13F
Company
|
4.2%
|
$42,052,882
3,721,494 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
2.9%
|
$28,948,395
2,561,804 shares
|
— | 31 Mar 2026 |
| BRUNI J V & CO /CO |
13F
Company
|
2.8%
|
$28,225,976
2,497,874 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
Net insider flow leans to buying over the last 12 months. Net value: +$88,059.
Buys
$88,059
Insiders: 2
Sells
$0
Insiders: 0
Net
+$88,059
Shares: +7,500
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 7,500
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 4,500 | 0 | $48,483 | $0 | +$48,483 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 3,000 | 0 | $39,576 | $0 | +$39,576 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-11 of 11 reporting-owner rows connected to Oaktree Specialty Lending Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Leonard M. Tannenbaum
Net 12M change
+$88,059
Latest report
16 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Leonard M. Tannenbaum | Other* | $299,508,516 | Mixed | 28 Dec 2021 | ||
| Craig A. Jacobson | Director | $960,939 | Filing P/S | 06 May 2025 | ||
| Mathew Pendo | President | $837,591 | Filing P/S | 24 Feb 2025 | ||
| Armen Panossian | Chief Executive Officer and Co-Chief Investment Officer | $293,748 | Filing P/S | 07 May 2025 | ||
| Deborah Ann Gero | Director | $263,123 | +$21,558 | +8.9% | Filing P/S | 16 Mar 2026 |
| Phyllis R. Caldwell | Director | $253,095 | +$66,501 | +36% | Filing P/S | 16 Mar 2026 |
| Matthew Stewart | Chief Operating Officer | $174,024 | Filing P/S | 23 Mar 2023 | ||
| Raghav Khanna | Co-Chief Investment Officer | $95,700 | Filing P/S | 24 Feb 2025 | ||
| Christopher McKown | Chief Financial Officer and Treasurer | $91,656 | Mixed | 17 Mar 2023 | ||
| Ashley Pak | Chief Compliance Officer | $34,565 | Mixed | 09 Mar 2023 | ||
| Brett McKeone | Chief Operating Officer | Mixed | 31 Dec 2025 |
Recent insider transactions for Oaktree Specialty Lending Corp
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Phyllis R. Caldwell | OCSL | Common Stock, par value $0.01 per share | Purchase | 11.9% | $26,925 | $10.77 | 2,500 | 23,500 | 16 Mar 2026 | Direct |
| Deborah Ann Gero | OCSL | Common Stock, par value $0.01 per share | Purchase | 8.92% | $21,558 | $10.78 | 2,000 | 24,411 | 16 Mar 2026 | Direct |
| Phyllis R. Caldwell | OCSL | Common Stock, par value $0.01 per share | Purchase | 16.7% | $39,576 | $13.19 | 3,000 | 21,000 | 15 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.