2 institutions reported holding $391,162 of BEL FUSE INC CL A (BELFA) in SEC 13F filings for 2026-06-30. Largest institutional holders: FNY Investment Advisers, LLC ($360,000), GAMMA Investing LLC ($31,162). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | FNY Investment Advisers, LLC | $360,000 | 1,239 | Added |
| 2 | GAMMA Investing LLC | $31,162 | 107 | Added |
Source: SEC Form 13F filings · as of 2026-06-30