Bel Fuse Inc. (BELFB) Holders & Ownership

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.

Top Institutional Holders (13F)

Source: SEC Form 13F
HolderSharesMarket ValueReported
Jupiter Topco LLC590030.00$196.49M2026-06-30
BlackRock, Inc.846920.00$167.67M2026-03-31
WASATCH ADVISORS LP489414.00$162.99M2026-06-30
VANGUARD GROUP INC908717.00$154.15M2025-12-31
JANUS HENDERSON GROUP PLC760141.00$150.59M2026-03-31
FMR LLC631307.00$124.99M2026-03-31
T. Rowe Price Investment Management, Inc.572919.00$113.43M2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC489081.00$96.83M2026-03-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-08-12
Sellnull2026-06-01
Sellnull2026-06-01
Sellnull2026-06-01
Sellnull2026-06-01
Sellnull2026-06-01
Sellnull2026-06-01
Sellnull2026-03-16

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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.