Bel Fuse Inc. (BELFB) ownership: Top institutional holder: Jupiter Topco LLC ($196.49M). Insider activity: Net Seller (0 buys, 20 sells). 1 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Jupiter Topco LLC | 590030.00 | $196.49M | 2026-06-30 |
| BlackRock, Inc. | 846920.00 | $167.67M | 2026-03-31 |
| WASATCH ADVISORS LP | 489414.00 | $162.99M | 2026-06-30 |
| VANGUARD GROUP INC | 908717.00 | $154.15M | 2025-12-31 |
| JANUS HENDERSON GROUP PLC | 760141.00 | $150.59M | 2026-03-31 |
| FMR LLC | 631307.00 | $124.99M | 2026-03-31 |
| T. Rowe Price Investment Management, Inc. | 572919.00 | $113.43M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 489081.00 | $96.83M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-12 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-03-16 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.