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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, Q2 2025

Institutional positions in Bel Fuse Inc as of Jun 30, 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
59
+3 vs. Q1 2025
Shares held
909.2K
−48.1K (−5.0%) vs. Q1 2025
Total value
$81.7M
+$12.7M (+18.4%) vs. Q1 2025
New holders
8
15 more added
Sold out
5
22 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 59 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 heldQ2 2025: $81.7M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2025.

Institutions holding BELFA in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Brown Advisory Inc159,933$14.4M0.02%−10,809−6.3%Reduced
BlackRock, Inc.90,834$8.16M0.00%−3,704−3.9%Reduced
Gamco Investors, Inc. Et Al81,038$7.28M0.07%−1,500−1.8%Reduced
Dimensional Fund Advisors LP77,601$6.97M0.00%−2,680−3.3%Reduced
FMR LLC68,435$6.15M0.00%+68,074+18,857.1%Added
Gabelli Funds LLC67,400$6.06M0.04%+200+0.3%Added
Vanguard Group Inc46,206$4.15M0.00%+2,865+6.6%Added
Renaissance Technologies LLC42,453$3.81M0.01%−300−0.7%Reduced
Geode Capital Management, LLC36,408$3.27M0.00%−534−1.4%Reduced
American Century Companies Inc32,166$2.89M0.00%−3,729−10.4%Reduced
Advisory Research Inc28,250$2.54M0.39%+9,008+46.8%Added
Investors Asset Management of Georgia Inc26,051$2.34M1.08%+26,051New
State Street Corp25,245$2.27M0.00%+1,580+6.7%Added
Santa Monica Partners LP23,434$2.11M1.23%00.0%Unchanged
Royce & Associates LP18,805$1.69M0.02%00.0%Unchanged
Northern Trust Corp16,230$1.46M0.00%−1,323−7.5%Reduced
Janney Montgomery Scott LLC10,765$967.0K0.00%−1,151−9.7%Reduced
Herald Investment Management Ltd7,500$669.8K0.10%00.0%Unchanged
UBS Group AG6,167$554.1K0.00%−2,755−30.9%Reduced
Cynosure Management, LLC5,302$476.4K0.05%+1,000+23.2%Added
Morgan Stanley4,275$384.1K0.00%+779+22.3%Added
Bank of New York Mellon Corp4,272$383.8K0.00%−139−3.2%Reduced
Makaira Partners LLC4,001$359.5K0.11%00.0%Unchanged
Los Angeles Capital Management LLC3,675$330.2K0.00%+3,675New
Rhumbline Advisers3,075$276.3K0.00%+462+17.7%Added
Advisor Group Holdings, Inc.2,925$262.7K0.00%−94−3.1%Reduced
Barclays PLC2,810$252.5K0.00%+1,049+59.6%Added
Citadel Advisors LLC2,493$224.0K0.00%−6,475−72.2%Reduced
JPMorgan Chase & Co2,201$197.8K0.00%−111,881−98.1%Reduced
Deutsche Bank AG1,306$117.3K0.00%00.0%Unchanged
New York State Common Retirement Fund1,300$116.8K0.00%00.0%Unchanged
Wells Fargo & Company1,097$98.6K0.00%−5−0.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.882$79.2K0.00%−184−17.3%Reduced
Bank of America Corp763$68.6K0.00%−270−26.1%Reduced
Tower Research Capital LLC (TRC)744$66.8K0.00%+608+447.1%Added
Citigroup Inc575$51.7K0.00%−633−52.4%Reduced
FNY Investment Advisers, LLC571$51.0K0.02%+571New
Blair William & Co500$44.9K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey351$31.5K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.171$15.4K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA166$14.9K0.00%+56+50.9%Added
Legal & General Group Plc143$12.8K0.00%00.0%Unchanged
California State Teachers Retirement System126$11.3K0.00%00.0%Unchanged
Royal Bank of Canada123$11.0K0.00%+12+10.8%Added
CWM, LLC101$9.00K0.00%−179−63.9%Reduced
GAMMA Investing LLC84$7.55K0.00%+82+4,100.0%Added
CoreCap Advisors, LLC78$7.01K0.00%00.0%Unchanged
Amalgamated Bank60$5.00K0.00%00.0%Unchanged
Sterling Capital Management LLC49$4.40K0.00%+18+58.1%Added
Nisa Investment Advisors, LLC30$2.70K0.00%+23+328.6%Added
Glenmede Investment Management, LP15$1.35K0.00%+15New
The PNC Financial Services Group, Inc.14$1.26K0.00%−53−79.1%Reduced
Russell Investments Group, Ltd.11$9880.00%+11New
Ameritas Advisory Services, LLC10$8990.00%+10New
O'Shaughnessy Asset Management, LLC4$3590.00%+4New
EverSource Wealth Advisors, LLC1$900.00%−3−75.0%Reduced
True Wealth Design, LLC1$900.00%00.0%Unchanged
Essential Partners LLC1$900.00%+1New
Covestor Ltd3$00.00%−2−40.0%Reduced
Qube Research & Technologies Ltd0$00.00%−5,489−100.0%Sold out
Marshall Wace, LLP0$00.00%−4,400−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−3,964−100.0%Sold out
MetLife Investment Management0$00.00%−1,098−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−854−100.0%Sold out