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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, Q1 2021

Institutional positions in Bel Fuse Inc as of Mar 31, 2021. 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
88
No complete 13F data for Q4 2020
Shares held
7.82M
No complete 13F data for Q4 2020
Total value
$155.6M
No complete 13F data for Q4 2020

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 holdersQ1 2021: 88 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 heldQ1 2021: $155.6M
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, Q1 2021

Shares, value and share of portfolio for each institution holding Bel Fuse Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding BELFB in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.1,685,014$33.5M0.00%––
Dimensional Fund Advisors LP747,455$14.9M0.00%––
Vanguard Group Inc673,837$13.4M0.00%––
Renaissance Technologies LLC475,751$9.46M0.01%––
Oaktree Capital Management LPSuperinvestorOaktree Capital462,679$9.20M0.13%––
JPMorgan Chase & Co461,566$9.18M0.00%––
Invesco Ltd.367,132$7.30M0.00%––
State Street Corp314,711$6.26M0.00%––
LSV Asset Management298,094$5.93M0.01%––
Geode Capital Management, LLC174,720$3.48M0.00%––
Boston Partners160,084$3.18M0.00%––
Bank of New York Mellon Corp147,854$2.94M0.00%––
Acadian Asset Management LLC135,224$2.69M0.01%––
Essex Investment Management Co LLC123,435$2.46M0.30%––
Northern Trust Corp120,451$2.40M0.00%––
Bridgeway Capital Management, LLC97,870$1.95M0.04%––
Morgan Stanley79,405$1.58M0.00%––
Nomura Holdings Inc74,740$1.48M0.01%––
Principal Financial Group Inc70,202$1.40M0.00%––
Santa Monica Partners LP67,634$1.34M0.87%––
Millennium Management LLC66,404$1.32M0.00%––
Wells Fargo & Company64,458$1.28M0.00%––
Jacobs Levy Equity Management, Inc60,469$1.20M0.01%––
Goldman Sachs Group Inc53,976$1.07M0.00%––
Ameriprise Financial Inc50,943$1.01M0.00%––
Nuveen Asset Management, LLC46,588$927.0K0.00%––
Perritt Capital Management Inc36,250$721.0K0.39%––
STRS Ohio36,200$720.0K0.00%––
Rhumbline Advisers35,638$709.0K0.00%––
Bank of America Corp33,727$671.0K0.00%––
Guggenheim Capital LLC32,275$642.0K0.00%––
Parametric Portfolio Associates LLC31,259$622.0K0.00%––
Arrowstreet Capital, Limited Partnership30,239$601.0K0.00%––
Horizon Kinetics Asset Management LLC28,988$577.0K0.01%––
Legal & General Group Plc27,647$550.0K0.00%––
Public Sector Pension Investment Board27,442$546.0K0.00%––
Charles Schwab Investment Management Inc26,338$524.0K0.00%––
New York State Teachers Retirement System24,702$491.0K0.00%––
Oppenheimer & Co Inc22,186$441.0K0.01%––
California Public Employees Retirement System20,500$408.0K0.00%––
Assenagon Asset Management S.A.20,513$408.0K0.00%––
Voya Investment Management LLC19,484$388.0K0.00%––
Investors Asset Management of Georgia Inc19,225$382.0K0.22%––
Pacer Advisors, Inc.19,222$382.0K0.01%––
Royce & Associates LP17,877$356.0K0.00%––
Russell Investments Group, Ltd.15,349$305.0K0.00%––
California State Teachers Retirement System15,128$301.0K0.00%––
Prudential Financial Inc12,789$254.0K0.00%––
Barclays PLC12,589$251.0K0.00%––
O'Shaughnessy Asset Management, LLC11,971$238.0K0.01%––
Gamco Investors, Inc. Et Al11,700$233.0K0.00%––
Connor, Clark & Lunn Investment Management Ltd.11,534$229.0K0.00%––
Wedge Capital Management L L P11,404$227.0K0.00%––
Two Sigma Advisers, LP11,315$225.0K0.00%––
State Board of Administration of Florida Retirement System11,173$222.0K0.00%––
New York State Common Retirement Fund10,100$201.0K0.00%––
Comerica Bank10,388$180.0K0.00%––
Great West Life Assurance Co9,046$180.0K0.00%––
Royal Bank of Canada8,545$170.0K0.00%––
BNP Paribas Arbitrage, SA6,948$138.2K0.00%––
State of Alaska, Department of Revenue6,916$137.0K0.00%––
American International Group, Inc.6,696$133.0K0.00%––
Deutsche Bank AG6,518$130.0K0.00%––
Victory Capital Management Inc5,870$117.0K0.00%––
UBS Group AG5,443$108.0K0.00%––
Public Employees Retirement System of Ohio5,180$103.0K0.00%––
Oregon Public Employees Retirement Fund4,137$82.0K0.00%––
State of Tennessee, Treasury Department3,639$72.0K0.00%––
Tower Research Capital LLC (TRC)3,012$60.0K0.00%––
Lazard Asset Management LLC2,292$45.0K0.00%––
Bank of Montreal2,327$44.0K0.00%––
Panagora Asset Management Inc1,814$36.0K0.00%––
Teachers Retirement System of the State of Kentucky1,600$32.0K0.00%––
Mutual of America Capital Management LLC1,363$27.0K0.00%––
Citigroup Inc1,046$21.0K0.00%––
Ameritas Investment Partners, Inc.968$19.0K0.00%––
Sutton Wealth Advisors Inc.561$11.2K0.00%––
Captrust Financial Advisors560$11.0K0.00%––
Patriot Financial Group Insurance Agency, LLC500$10.0K0.00%––
Advisor Group Holdings, Inc.450$9.00K0.00%––
The PNC Financial Services Group, Inc.300$7.00K0.00%––
FNY Investment Advisers, LLC346$6.00K0.00%––
Versant Capital Management, Inc210$4.00K0.00%––
Eaton Vance Management53$1.00K0.00%––
Parkside Financial Bank & Trust54$1.00K0.00%––
Simplex Trading, LLC100$1.00K0.00%––
TCI Wealth Advisors, Inc.47$1.00K0.00%––
Harbour Investments, Inc.8$00.00%––