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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 2025

Institutional positions in Bel Fuse Inc as of Mar 31, 2025. 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
56
+1 vs. Q4 2024
Shares held
957.3K
−38.8K (−3.9%) vs. Q4 2024
Total value
$69.0M
−$20.7M (−23.1%) vs. Q4 2024
New holders
4
15 more added
Sold out
3
24 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 56 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 2025: $69.0M
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 2025

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q4 2024.

Institutions holding BELFA in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Brown Advisory Inc170,742$12.3M0.02%−3,358−1.9%Reduced
JPMorgan Chase & Co114,082$8.22M0.00%+791+0.7%Added
BlackRock, Inc.94,538$6.81M0.00%−1,557−1.6%Reduced
Gamco Investors, Inc. Et Al82,538$5.95M0.07%−12,600−13.2%Reduced
Dimensional Fund Advisors LP80,281$5.79M0.00%−3,688−4.4%Reduced
Gabelli Funds LLC67,200$4.84M0.04%−5,000−6.9%Reduced
Vanguard Group Inc43,341$3.12M0.00%−14,106−24.6%Reduced
Renaissance Technologies LLC42,753$3.08M0.00%−500−1.2%Reduced
Geode Capital Management, LLC36,942$2.66M0.00%+81+0.2%Added
American Century Companies Inc35,895$2.59M0.00%+5,876+19.6%Added
State Street Corp23,665$1.71M0.00%+700+3.0%Added
Santa Monica Partners LP23,434$1.69M0.93%00.0%Unchanged
Advisory Research Inc19,242$1.39M0.24%00.0%Unchanged
Royce & Associates LP18,805$1.36M0.01%00.0%Unchanged
Northern Trust Corp17,553$1.26M0.00%−57−0.3%Reduced
Janney Montgomery Scott LLC11,916$859.0K0.00%+76+0.6%Added
Citadel Advisors LLC8,968$646.2K0.00%−7,451−45.4%Reduced
UBS Group AG8,922$642.9K0.00%−1,772−16.6%Reduced
Herald Investment Management Ltd7,500$540.4K0.10%+3,500+87.5%Added
Qube Research & Technologies Ltd5,489$395.5K0.00%+937+20.6%Added
Bank of New York Mellon Corp4,411$317.9K0.00%−5−0.1%Reduced
Marshall Wace, LLP4,400$317.1K0.00%+658+17.6%Added
Cynosure Management, LLC4,302$310.0K0.04%+4,302New
Makaira Partners LLC4,001$288.3K0.10%+4,001New
Goldman Sachs Group Inc3,964$285.6K0.00%−5,345−57.4%Reduced
Morgan Stanley3,496$252.0K0.00%−2,637−43.0%Reduced
Advisor Group Holdings, Inc.3,019$217.5K0.00%+646+27.2%Added
Rhumbline Advisers2,613$188.3K0.00%+767+41.5%Added
Barclays PLC1,761$126.9K0.00%−862−32.9%Reduced
Deutsche Bank AG1,306$94.1K0.00%00.0%Unchanged
New York State Common Retirement Fund1,300$93.7K0.00%00.0%Unchanged
Citigroup Inc1,208$87.0K0.00%−137−10.2%Reduced
Wells Fargo & Company1,102$79.4K0.00%+23+2.1%Added
MetLife Investment Management1,098$79.1K0.00%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.1,066$76.8K0.00%+78+7.9%Added
Bank of America Corp1,033$74.4K0.00%−615−37.3%Reduced
Corebridge Financial, Inc.854$61.5K0.00%−13−1.5%Reduced
Blair William & Co500$36.0K0.00%00.0%Unchanged
FMR LLC361$26.0K0.00%+339+1,540.9%Added
Police & Firemen's Retirement System of New Jersey351$25.3K0.00%00.0%Unchanged
CWM, LLC280$20.0K0.00%+43+18.1%Added
Ameritas Investment Partners, Inc.171$12.3K0.00%00.0%Unchanged
Legal & General Group Plc143$10.3K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)136$9.80K0.00%−201−59.6%Reduced
California State Teachers Retirement System126$9.08K0.00%00.0%Unchanged
Royal Bank of Canada111$8.00K0.00%−108−49.3%Reduced
BNP Paribas Arbitrage, SA110$7.93K0.00%−243−68.8%Reduced
CoreCap Advisors, LLC78$5.62K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.67$4.83K0.00%−37−35.6%Reduced
Amalgamated Bank60$4.00K0.00%00.0%Unchanged
Sterling Capital Management LLC31$2.23K0.00%−28−47.5%Reduced
Nisa Investment Advisors, LLC7$5040.00%−3−30.0%Reduced
EverSource Wealth Advisors, LLC4$2880.00%+4New
GAMMA Investing LLC2$1440.00%−3−60.0%Reduced
True Wealth Design, LLC1$730.00%+1New
Covestor Ltd5$00.00%+4+400.0%Added
STRS Ohio0$00.00%−1,300−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−32−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−7−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed