BEL FUSE INC-CL B (BELFB) Institutional Ownership Changes & 13F Activity

BEL FUSE INC-CL B (BELFB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Polen Capital Management, Renaissance Technologies LLC, Oaktree Capital Management, and Third Avenue Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Polen Capital ManagementBuy20,81743,339$8,580,255
Q1 2026Renaissance Technologies LLCSell-17,479213,872$42,342,379
Q4 2025Renaissance Technologies LLCSell-21,500231,351$39,244,070
Q4 2025Polen Capital ManagementBuy2,98322,522$3,820,407
Q3 2025Renaissance Technologies LLCSell-30,600252,851$35,657,048
Q3 2025Polen Capital ManagementSell-84719,539$2,755,390
Q2 2025Renaissance Technologies LLCSell-40,300283,451$27,690,328
Q2 2025Polen Capital ManagementBuy20,38620,386$1,991,508
Q1 2025Renaissance Technologies LLCBuy20,219323,751$24,236,000
Q4 2024Renaissance Technologies LLCSell-1,919303,532$25,032,284
Q3 2024Renaissance Technologies LLCSell-4,400305,451$23,980,958
Q2 2024Renaissance Technologies LLCBuy4,027309,851$20,214,679
Q1 2024Renaissance Technologies LLCSell-19,013305,824$18,444
Q4 2023Renaissance Technologies LLCSell-34,214324,837$21,689
Q3 2023Renaissance Technologies LLCBuy26,000359,051$17,134
Q2 2023Renaissance Technologies LLCSell-19,900333,051$19,120
Q1 2023Renaissance Technologies LLCSell-51,700352,951$13,264
Q4 2022Renaissance Technologies LLCSell-47,900404,651$13,321
Q3 2022Renaissance Technologies LLCBuy13,700452,551$11,427
Q2 2022Renaissance Technologies LLCSell-40,394438,851$6,829
Q1 2022Renaissance Technologies LLCSell-65,606479,245$8,550
Q4 2021Renaissance Technologies LLCBuy34,200544,851$7,045
Q3 2021Renaissance Technologies LLCSell-900510,651$6,347
Q2 2021Renaissance Technologies LLCBuy35,800511,551$7,366
Q1 2021Renaissance Technologies LLCSell-25,500475,751$9,463
Q4 2020Renaissance Technologies LLCBuy428501,251$7,534
Q3 2020Renaissance Technologies LLCSell-3,600500,823$5,349
Q2 2020Renaissance Technologies LLCSell-36,000504,423$5,412
Q1 2020Renaissance Technologies LLCSell-1,400540,423$5,264
Q4 2019Renaissance Technologies LLCBuy35,000541,823$11,107

Frequently asked questions about BELFB activity

  • Which institutional owners are buying BELFB?

    Institutional owners buying BELFB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in BELFB activity?

    "Buy" means an investor increased their reported position in BELFB compared to the prior reporting period. This reflects growing exposure to BEL FUSE INC-CL B (BELFB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in BELFB increasing?

    Institutional interest in BELFB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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