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Bel Fuse Inc

BELFA
Exchange
Nasdaq
Industry
Electronic Coils, Transformers & Other Inductors
SEC CIK
0000729580

In the last 90 days, Bel Fuse Inc insiders filed 0 open-market purchases and 3 sales; 109 institutions reported holding it in 13F filings for Q2 2026, worth $393.9M in total; no superinvestor holds it.

Other share classesBELFB

13F holders, Q1 2024

Institutional positions in Bel Fuse Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
32
+6 vs. Q4 2023
Shares held
807.3K
+116.8K (+16.9%) vs. Q4 2023
Total value
$57.2M
+$12.6M (+28.3%) vs. Q4 2023
New holders
8
13 more added
Sold out
2
4 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BELFA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 32 institutions
Q1 2021: 18 institutionsQ2 2021: 17 institutionsQ3 2021: 15 institutionsQ4 2021: 16 institutionsQ1 2022: 13 institutionsQ2 2022: 14 institutionsQ3 2022: 16 institutionsQ4 2022: 17 institutionsQ1 2023: 19 institutionsQ2 2023: 25 institutionsQ3 2023: 25 institutionsQ4 2023: 26 institutionsQ1 2024: 32 institutionsQ2 2024: 40 institutionsQ3 2024: 54 institutionsQ4 2024: 56 institutionsQ1 2025: 56 institutionsQ2 2025: 59 institutionsQ3 2025: 64 institutionsQ4 2025: 77 institutionsQ1 2026: 94 institutionsQ2 2026: 109 institutions
Value heldQ1 2024: $57.2M
Q1 2021: $14.0MQ2 2021: $10.8MQ3 2021: $10.6MQ4 2021: $10.8MQ1 2022: $14.9MQ2 2022: $15.2MQ3 2022: $19.7MQ4 2022: $20.8MQ1 2023: $23.6MQ2 2023: $39.2MQ3 2023: $31.3MQ4 2023: $44.6MQ1 2024: $57.2MQ2 2024: $78.8MQ3 2024: $103.5MQ4 2024: $89.9MQ1 2025: $69.0MQ2 2025: $81.7MQ3 2025: $106.7MQ4 2025: $148.5MQ1 2026: $209.7MQ2 2026: $393.9M
Institutions holding BELFA and their total value by quarter
QuarterHoldersValue
Q2 2026109$393.9M
Q1 202694$209.7M
Q4 202577$148.5M
Q3 202564$106.7M
Q2 202559$81.7M
Q1 202556$69.0M
Q4 202456$89.9M
Q3 202454$103.5M
Q2 202440$78.8M
Q1 202432$57.2M
Q4 202326$44.6M
Q3 202325$31.3M
Q2 202325$39.2M
Q1 202319$23.6M
Q4 202217$20.8M
Q3 202216$19.7M
Q2 202214$15.2M
Q1 202213$14.9M
Q4 202116$10.8M
Q3 202115$10.6M
Q2 202117$10.8M
Q1 202118$14.0M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q4 2023.

Institutions holding BELFA in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Gabelli Funds LLC201,500$14.3M0.11%−4,500−2.2%Reduced
Brown Advisory Inc144,337$10.2M0.01%+106,563+282.1%Added
Gamco Investors, Inc. Et Al140,038$9.92M0.10%−12,500−8.2%Reduced
Dimensional Fund Advisors LP92,519$6.55M0.00%−2,533−2.7%Reduced
Renaissance Technologies LLC35,500$2.51M0.00%+2,200+6.6%Added
Potrero Capital Research LLC24,069$1.70M1.06%−30,102−55.6%Reduced
Santa Monica Partners LP23,434$1.66M1.15%00.0%Unchanged
Advisory Research Inc19,242$1.36M0.27%+9,242+92.4%Added
Royce & Associates LP18,805$1.33M0.01%00.0%Unchanged
Janney Montgomery Scott LLC13,123$929.0K0.00%+1,063+8.8%Added
Geode Capital Management, LLC10,775$763.4K0.00%+4,951+85.0%Added
State Street Corp9,314$659.5K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc9,170$649.3K0.00%+235+2.6%Added
Marshall Wace, LLP8,029$568.5K0.00%+8,029New
Northern Trust Corp7,681$543.9K0.00%+15+0.2%Added
Goldman Sachs Group Inc6,686$473.4K0.00%+6,686New
Qube Research & Technologies Ltd6,475$458.5K0.00%+6,225+2,490.0%Added
Barclays PLC6,074$430.1K0.00%+6,074New
UBS Group AG5,842$413.7K0.00%+2,680+84.8%Added
Vanguard Group Inc5,002$354.2K0.00%00.0%Unchanged
Citadel Advisors LLC4,902$347.1K0.00%+4,902New
Millennium Management LLC3,698$261.9K0.00%+3,698New
BlackRock Inc.3,570$252.8K0.00%+151+4.4%Added
Advisor Group Holdings, Inc.2,787$197.3K0.00%+393+16.4%Added
Morgan Stanley2,166$153.4K0.00%+1,563+259.2%Added
JPMorgan Chase & Co1,610$114.0K0.00%+1,610New
Blair William & Co500$35.4K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)269$19.0K0.00%+72+36.5%Added
Rhumbline Advisers80$5.66K0.00%00.0%Unchanged
CoreCap Advisors, LLC78$5.52K0.00%+78New
Wells Fargo & Company14$1.01K0.00%00.0%Unchanged
Macquarie Group Ltd31$20.00%+31New
FNY Investment Advisers, LLC0$00.00%−31−100.0%Sold out
Bank of America Corp0$00.00%−1−100.0%Sold out