5 institutions reported holding $602,290 of OAKTREE SPECIALTY LEND (OCSLL) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($296,060), SIMPLEX TRADING, LLC ($210,180), GROUP ONE TRADING LLC ($96,050), THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. ($0), L & S Advisors Inc ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $296,060 | 26,200 | New |
| 2 | SIMPLEX TRADING, LLC | $210,180 | 18,600 | New |
| 3 | GROUP ONE TRADING LLC | $96,050 | 8,500 | Added |
| 4 | THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $0 | 0 | Exited |
| 5 | L & S Advisors Inc | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31