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Bel Fuse Inc

BELFB
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; 276 institutions reported holding it in 13F filings for Q2 2026, worth $4.18B in total; no superinvestor holds it.

Other share classesBELFA

13F holders, Q4 2022

Institutional positions in Bel Fuse Inc as of Dec 31, 2022. 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
90
+8 vs. Q3 2022
Shares held
6.25M
−94.6K (−1.5%) vs. Q3 2022
Total value
$205.7M
+$45.5M (+28.4%) vs. Q3 2022
New holders
16
29 more added
Sold out
8
33 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BELFB 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 holdersQ4 2022: 90 institutions
Q1 2021: 88 institutionsQ2 2021: 82 institutionsQ3 2021: 82 institutionsQ4 2021: 67 institutionsQ1 2022: 70 institutionsQ2 2022: 61 institutionsQ3 2022: 83 institutionsQ4 2022: 90 institutionsQ1 2023: 96 institutionsQ2 2023: 126 institutionsQ3 2023: 134 institutionsQ4 2023: 146 institutionsQ1 2024: 147 institutionsQ2 2024: 153 institutionsQ3 2024: 163 institutionsQ4 2024: 168 institutionsQ1 2025: 164 institutionsQ2 2025: 174 institutionsQ3 2025: 197 institutionsQ4 2025: 207 institutionsQ1 2026: 235 institutionsQ2 2026: 276 institutions
Value heldQ4 2022: $205.7M
Q1 2021: $155.6MQ2 2021: $107.4MQ3 2021: $79.1MQ4 2021: $79.4MQ1 2022: $111.9MQ2 2022: $95.9MQ3 2022: $160.2MQ4 2022: $205.7MQ1 2023: $250.6MQ2 2023: $412.5MQ3 2023: $333.4MQ4 2023: $491.0MQ1 2024: $456.7MQ2 2024: $539.8MQ3 2024: $656.5MQ4 2024: $714.9MQ1 2025: $689.3MQ2 2025: $941.8MQ3 2025: $1.31BQ4 2025: $1.72BQ1 2026: $2.05BQ2 2026: $4.18B
Institutions holding BELFB and their total value by quarter
QuarterHoldersValue
Q2 2026276$4.18B
Q1 2026235$2.05B
Q4 2025207$1.72B
Q3 2025197$1.31B
Q2 2025174$941.8M
Q1 2025164$689.3M
Q4 2024168$714.9M
Q3 2024163$656.5M
Q2 2024153$539.8M
Q1 2024147$456.7M
Q4 2023146$491.0M
Q3 2023134$333.4M
Q2 2023126$412.5M
Q1 202396$250.6M
Q4 202290$205.7M
Q3 202283$160.2M
Q2 202261$95.9M
Q1 202270$111.9M
Q4 202167$79.4M
Q3 202182$79.1M
Q2 202182$107.4M
Q1 202188$155.6M

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q3 2022.

Institutions holding BELFB in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP741,243$24.4M0.01%+38,428+5.5%Added
Vanguard Group Inc565,097$18.6M0.00%−92,788−14.1%Reduced
Portolan Capital Management, LLC486,476$16.0M1.59%+170,774+54.1%Added
Renaissance Technologies LLC404,651$13.3M0.02%−47,900−10.6%Reduced
Acadian Asset Management LLC397,856$13.1M0.06%−12,744−3.1%Reduced
Ameriprise Financial Inc267,833$8.82M0.00%−48,731−15.4%Reduced
Morgan Stanley259,494$8.54M0.00%−20,408−7.3%Reduced
BlackRock Inc.244,763$8.06M0.00%−17,451−6.7%Reduced
LSV Asset Management223,841$7.37M0.02%−16,182−6.7%Reduced
Hillsdale Investment Management Inc.196,501$6.47M0.55%−9,950−4.8%Reduced
Millennium Management LLC167,043$5.50M0.01%+4,807+3.0%Added
Boston Partners147,574$4.86M0.01%−8,818−5.6%Reduced
Russell Investments Group, Ltd.128,147$4.22M0.01%+23,589+22.6%Added
Oberweis Asset Management Inc114,800$3.78M0.80%+10,000+9.5%Added
Geode Capital Management, LLC111,422$3.67M0.00%+3,663+3.4%Added
Citadel Advisors LLC108,068$3.56M0.00%+45,245+72.0%Added
EAM Investors, LLC104,333$3.43M0.71%−40,648−28.0%Reduced
Bank of New York Mellon Corp89,368$2.94M0.00%+14,902+20.0%Added
Invesco Ltd.88,971$2.93M0.00%+6,061+7.3%Added
Gabelli Funds LLC83,791$2.76M0.02%−7,200−7.9%Reduced
American Century Companies Inc79,652$2.62M0.00%+53,624+206.0%Added
D. E. Shaw & Co., Inc.76,911$2.53M0.00%+3,646+5.0%Added
Bridgeway Capital Management, LLC68,329$2.25M0.06%−43,891−39.1%Reduced
Santa Monica Partners LP67,634$2.23M1.61%00.0%Unchanged
Kennedy Capital Management, Inc.62,742$2.07M0.06%+135+0.2%Added
Investors Asset Management of Georgia Inc55,595$1.83M0.95%00.0%Unchanged
Investment Management of Virginia LLC51,040$1.68M0.33%−10,760−17.4%Reduced
Susquehanna International Group, LLP50,249$1.65M0.00%+35,123+232.2%Added
Calamos Advisors LLC48,423$1.59M0.01%−9,845−16.9%Reduced
EAM Global Investors LLC48,324$1.59M0.41%−15,247−24.0%Reduced
Two Sigma Advisers, LP42,515$1.40M0.00%−13,800−24.5%Reduced
O'Shaughnessy Asset Management, LLC42,215$1.39M0.02%−4,624−9.9%Reduced
State Street Corp41,896$1.38M0.00%+4,000+10.6%Added
Perritt Capital Management Inc35,564$1.17M0.67%+464+1.3%Added
Quadrature Capital Ltd32,523$1.07M0.03%−11,645−26.4%Reduced
Northern Trust Corp29,863$983.1K0.00%−1,602−5.1%Reduced
Horizon Kinetics Asset Management LLC28,988$954.3K0.02%00.0%Unchanged
Caxton Associates LP27,353$900.5K0.07%−957−3.4%Reduced
Gamco Investors, Inc. Et Al25,700$846.0K0.01%−13,150−33.8%Reduced
First Trust Advisors LP25,425$837.0K0.00%−1,780−6.5%Reduced
Manatuck Hill Partners, LLC25,000$823.0K0.39%00.0%Unchanged
Spouting Rock Asset Management, LLC21,236$699.1K0.52%+21,236New
Grantham, Mayo, Van Otterloo & Co. LLC18,300$602.4K0.00%00.0%Unchanged
Ritholtz Wealth Management17,175$565.4K0.03%+280+1.7%Added
HRT Financial LP16,210$533.0K0.01%+16,210New
Navellier & Associates Inc15,856$522.0K0.11%+15,856New
SEI Investments Co15,762$518.9K0.00%+1,398+9.7%Added
Royal Bank of Canada14,824$488.0K0.00%+1,224+9.0%Added
Cubist Systematic Strategies, LLC14,502$477.4K0.00%+1,668+13.0%Added
Arrowstreet Capital, Limited Partnership14,219$468.0K0.00%−15,496−52.1%Reduced
Jump Financial, LLC13,933$458.7K0.02%+5,533+65.9%Added
Qube Research & Technologies Ltd13,738$452.3K0.00%+3,322+31.9%Added
Trexquant Investment LP13,566$446.6K0.01%+13,566New
Jane Street Group, LLC12,018$395.6K0.00%+12,018New
Janney Montgomery Scott LLC11,609$382.0K0.00%+801+7.4%Added
Barclays PLC11,489$378.2K0.00%−1,775−13.4%Reduced
Bailard, Inc.10,853$357.3K0.01%−2,922−21.2%Reduced
Alpha Paradigm Partners, LLC10,117$333.0K0.14%+10,117New
Occudo Quantitative Strategies LP9,302$306.2K0.04%−2,253−19.5%Reduced
Blair William & Co9,150$301.2K0.00%00.0%Unchanged
Two Sigma Investments, LP7,837$258.0K0.00%−35,245−81.8%Reduced
Globeflex Capital L P7,733$254.6K0.03%00.0%Unchanged
Engineers Gate Manager LP7,444$245.1K0.01%−1,106−12.9%Reduced
Beach Investment Counsel Inc6,555$216.0K0.03%+6,555New
Schonfeld Strategic Advisors LLC6,510$214.3K0.00%−2,290−26.0%Reduced
Stokes Family Office, LLC6,458$212.6K0.03%+6,458New
Algert Global LLC6,370$209.7K0.01%−7,340−53.5%Reduced
Balyasny Asset Management LLC6,337$208.6K0.00%+6,337New
Advisor Group Holdings, Inc.4,787$158.0K0.00%+4,467+1,395.9%Added
BNP Paribas Arbitrage, SA3,800$125.1K0.00%+3,800New
State of Wyoming3,576$117.7K0.04%+3,576New
Lazard Asset Management LLC2,828$93.0K0.00%+358+14.5%Added
Advisory Services Network, LLC2,677$88.1K0.00%+2,677New
Victory Capital Management Inc2,628$86.5K0.00%−2,923−52.7%Reduced
Quantbot Technologies LP2,306$75.9K0.01%+2,306New
Dorsey Wright & Associates1,604$52.8K0.02%+1,604New
Tower Research Capital LLC (TRC)1,380$45.0K0.00%+985+249.4%Added
UBS Group AG1,289$42.4K0.00%−1,089−45.8%Reduced
JPMorgan Chase & Co1,200$40.0K0.00%−2,258−65.3%Reduced
GWM Advisors LLC1,122$33.0K0.00%+1,122New
Steward Partners Investment Advisory, LLC900$29.6K0.00%+200+28.6%Added
FMR LLC737$24.3K0.00%00.0%Unchanged
North Star Investment Management Corp.550$18.1K0.00%00.0%Unchanged
Aquatic Capital Management LLC400$13.0K0.00%+400New
Federated Hermes, Inc.214$7.04K0.00%00.0%Unchanged
Wells Fargo & Company71$2.34K0.00%+1+1.4%Added
Simplex Trading, LLC86$2.00K0.00%+2+2.4%Added
ClariVest Asset Management LLC32$1.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.28$9220.00%00.0%Unchanged
Bank of America Corp17$5600.00%+6+54.5%Added
Norges Bank0$00.00%−69,600−100.0%Sold out
Aristides Capital LLC0$00.00%−28,512−100.0%Sold out
Bank of Montreal0$00.00%−13,400−100.0%Sold out
Bank of Nova Scotia0$00.00%−8,418−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−5,303−100.0%Sold out
Teachers Retirement System of the State of Kentucky0$00.00%−1,600−100.0%Sold out
Financial Management Professionals, Inc.0$00.00%−876−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−666−100.0%Sold out
Wipfli Financial Advisors LLC,––––Not filed