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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 2021

Institutional positions in Bel Fuse Inc as of Dec 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
67
−14 vs. Q3 2021
Shares held
6.14M
−201.7K (−3.2%) vs. Q3 2021
Total value
$79.4M
+$461.7K (+0.6%) vs. Q3 2021
New holders
1
26 more added
Sold out
15
26 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 67 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 2021: $79.4M
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 2021

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q3 2021.

Institutions holding BELFB in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP645,574$8.35M0.00%−34,991−5.1%Reduced
Renaissance Technologies LLC544,851$7.04M0.01%+34,200+6.7%Added
Vanguard Group Inc497,370$6.43M0.00%+4,156+0.8%Added
Oaktree Capital Management LPSuperinvestorOaktree Capital462,679$5.98M0.07%00.0%Unchanged
Nomura Holdings Inc450,000$5.75M0.03%00.0%Unchanged
Millennium Management LLC408,712$5.29M0.01%−20,393−4.8%Reduced
Ameriprise Financial Inc408,074$5.28M0.00%−12,246−2.9%Reduced
LSV Asset Management295,594$3.82M0.01%+14,000+5.0%Added
Acadian Asset Management LLC290,041$3.75M0.01%+68,584+31.0%Added
BlackRock Inc.268,235$3.47M0.00%+6,044+2.3%Added
Boston Partners165,104$2.13M0.00%−1,887−1.1%Reduced
Morgan Stanley154,016$1.99M0.00%+44,287+40.4%Added
Arrowstreet Capital, Limited Partnership110,700$1.43M0.00%−3,400−3.0%Reduced
Geode Capital Management, LLC108,880$1.41M0.00%+2,036+1.9%Added
Bridgeway Capital Management, LLC106,329$1.38M0.03%+16,959+19.0%Added
Marshall Wace, LLP98,398$1.27M0.00%−35,089−26.3%Reduced
Two Sigma Investments, LP77,597$1.00M0.00%−4,415−5.4%Reduced
Two Sigma Advisers, LP72,715$940.0K0.00%+6,200+9.3%Added
Bank of New York Mellon Corp70,180$907.0K0.00%+11,278+19.1%Added
D. E. Shaw & Co., Inc.69,456$898.0K0.00%+45,160+185.9%Added
Santa Monica Partners LP67,634$875.0K0.56%00.0%Unchanged
Citadel Advisors LLC61,388$793.0K0.00%+3,678+6.4%Added
Exchange Traded Concepts, LLC50,637$655.0K0.01%+809+1.6%Added
Susquehanna Fundamental Investments, LLC41,374$535.0K0.01%00.0%Unchanged
State Street Corp40,376$522.0K0.00%+12,600+45.4%Added
Investors Asset Management of Georgia Inc39,400$509.0K0.24%+13,020+49.4%Added
Royce & Associates LP37,001$478.0K0.00%−5,561−13.1%Reduced
Gabelli Funds LLC35,000$453.0K0.00%+15,000+75.0%Added
Perritt Capital Management Inc33,950$439.0K0.23%+3,400+11.1%Added
Northern Trust Corp32,806$424.0K0.00%−1,816−5.2%Reduced
Gamco Investors, Inc. Et Al31,850$412.0K0.00%−4,300−11.9%Reduced
Assenagon Asset Management S.A.30,225$391.0K0.00%+16,448+119.4%Added
JPMorgan Chase & Co29,284$379.0K0.00%+7,584+34.9%Added
Horizon Kinetics Asset Management LLC28,988$375.0K0.01%00.0%Unchanged
Quadrature Capital Ltd26,979$348.0K0.02%+16,767+164.2%Added
Goldman Sachs Group Inc22,893$296.0K0.00%−3,460−13.1%Reduced
Ergoteles LLC22,700$294.0K0.01%−92,478−80.3%Reduced
Barclays PLC21,943$284.0K0.00%−1,222−5.3%Reduced
Engineers Gate Manager LP18,598$240.0K0.01%−3,765−16.8%Reduced
Connor, Clark & Lunn Investment Management Ltd.16,515$214.0K0.00%+3,142+23.5%Added
American Century Companies Inc15,754$204.0K0.00%+3,468+28.2%Added
Invesco Ltd.15,116$195.0K0.00%−980−6.1%Reduced
6 Meridian15,041$194.0K0.01%+182+1.2%Added
O'Shaughnessy Asset Management, LLC14,654$189.0K0.00%−4,113−21.9%Reduced
PDT Partners, LLC14,576$188.0K0.01%+2,346+19.2%Added
Royal Bank of Canada14,429$186.0K0.00%+7,103+97.0%Added
Squarepoint Ops LLC11,702$151.0K0.00%−10,676−47.7%Reduced
Thompson Davis & Co., Inc.11,127$144.0K0.12%+11,127New
Trexquant Investment LP10,862$140.0K0.01%−6,973−39.1%Reduced
Gabelli & Co Investment Advisers, Inc.10,000$129.0K0.02%00.0%Unchanged
Victory Capital Management Inc5,954$77.0K0.00%+1,191+25.0%Added
Russell Investments Group, Ltd.3,800$49.0K0.00%−13,791−78.4%Reduced
Teachers Retirement System of the State of Kentucky1,600$21.0K0.00%00.0%Unchanged
UBS Group AG1,001$13.0K0.00%−961−49.0%Reduced
North Star Investment Management Corp.550$7.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.450$6.00K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC500$6.00K0.00%00.0%Unchanged
FNY Investment Advisers, LLC500$6.00K0.00%00.0%Unchanged
Eaton Vance Management454$6.00K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)342$4.00K0.00%−6,557−95.0%Reduced
Bank of America Corp315$4.00K0.00%−2,155−87.2%Reduced
Captrust Financial Advisors346$4.00K0.00%−85−19.7%Reduced
Lazard Asset Management LLC116$1.00K0.00%−2,176−94.9%Reduced
Wells Fargo & Company63$1.00K0.00%−1−1.6%Reduced
The PNC Financial Services Group, Inc.84$1.00K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA37$4780.00%−109−74.7%Reduced
FMR LLC16$00.00%00.0%Unchanged
Proequities, Inc.0$00.00%−200−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−128,393−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−26,194−100.0%Sold out
LMR Partners LLP0$00.00%−25,000−100.0%Sold out
HRT Financial LP0$00.00%−24,613−100.0%Sold out
Walleye Capital LLC0$00.00%−22,200−100.0%Sold out
Parametric Portfolio Associates LLC0$00.00%−18,467−100.0%Sold out
National Asset Management, Inc.0$00.00%−13,400−100.0%Sold out
Jump Financial, LLC0$00.00%−13,471−100.0%Sold out
Jane Street Group, LLC0$00.00%−11,395−100.0%Sold out
Voya Investment Management LLC0$00.00%−10,264−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−5,180−100.0%Sold out
TCI Wealth Advisors, Inc.0$00.00%−47−100.0%Sold out
Harbour Investments, Inc.0$00.00%−9−100.0%Sold out
Simplex Trading, LLC0$00.00%−3−100.0%Sold out
Marshall Wace North America L.P.––––Not filed