2 institutions reported holding $126,488 of NEW MOUNTAIN FINANCE COR (NMFCL) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($126,488), L & S Advisors Inc ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $126,488 | 16,300 | Added |
| 2 | L & S Advisors Inc | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31