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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, Q3 2021

Institutional positions in Bel Fuse Inc as of Sep 30, 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
82
0 vs. Q2 2021
Shares held
6.36M
−1.10M (−14.7%) vs. Q2 2021
Total value
$79.1M
−$28.3M (−26.4%) vs. Q2 2021
New holders
24
21 more added
Sold out
24
24 more reduced

Compare with Q2 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 holdersQ3 2021: 82 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 heldQ3 2021: $79.1M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q2 2021.

Institutions holding BELFB in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP680,565$8.46M0.00%−72,613−9.6%Reduced
Renaissance Technologies LLC510,651$6.35M0.01%−900−0.2%Reduced
Vanguard Group Inc493,214$6.13M0.00%−170,909−25.7%Reduced
Oaktree Capital Management LPSuperinvestorOaktree Capital462,679$5.75M0.08%00.0%Unchanged
Nomura Holdings Inc450,000$5.63M0.04%+140,346+45.3%Added
Millennium Management LLC429,105$5.33M0.01%+145,111+51.1%Added
Ameriprise Financial Inc420,320$5.22M0.00%+40,130+10.6%Added
LSV Asset Management281,594$3.50M0.01%−21,100−7.0%Reduced
BlackRock Inc.262,191$3.26M0.00%−867,896−76.8%Reduced
Acadian Asset Management LLC221,457$2.75M0.01%+68,739+45.0%Added
Boston Partners166,991$2.08M0.00%+4,805+3.0%Added
Marshall Wace, LLP133,487$1.66M0.01%+133,487New
Jacobs Levy Equity Management, Inc128,393$1.60M0.01%+43,204+50.7%Added
Ergoteles LLC115,178$1.43M0.05%+71,678+164.8%Added
Arrowstreet Capital, Limited Partnership114,100$1.42M0.00%+45,978+67.5%Added
Morgan Stanley109,729$1.36M0.00%+8,980+8.9%Added
Geode Capital Management, LLC106,844$1.33M0.00%−100.0%Reduced
Bridgeway Capital Management, LLC89,370$1.11M0.02%+9,600+12.0%Added
Two Sigma Investments, LP82,012$1.02M0.00%+82,012New
Santa Monica Partners LP67,634$841.0K0.54%00.0%Unchanged
Two Sigma Advisers, LP66,515$827.0K0.00%+55,800+520.8%Added
Bank of New York Mellon Corp58,902$731.0K0.00%−59,505−50.3%Reduced
Citadel Advisors LLC57,710$717.0K0.00%+57,710New
Exchange Traded Concepts, LLC49,828$619.0K0.02%+49,828New
Royce & Associates LP42,562$529.0K0.00%+22,228+109.3%Added
Susquehanna Fundamental Investments, LLC41,374$514.0K0.01%+22,971+124.8%Added
Gamco Investors, Inc. Et Al36,150$449.0K0.00%+23,100+177.0%Added
Northern Trust Corp34,622$430.0K0.00%−7,976−18.7%Reduced
Perritt Capital Management Inc30,550$380.0K0.21%+3,300+12.1%Added
Horizon Kinetics Asset Management LLC28,988$360.0K0.01%00.0%Unchanged
State Street Corp27,776$345.0K0.00%−152,942−84.6%Reduced
Goldman Sachs Group Inc26,353$328.0K0.00%−4,360−14.2%Reduced
Investors Asset Management of Georgia Inc26,380$328.0K0.17%+11,380+75.9%Added
Susquehanna International Group, LLP26,194$326.0K0.00%+26,194New
LMR Partners LLP25,000$311.0K0.00%+25,000New
HRT Financial LP24,613$305.0K0.00%+10,814+78.4%Added
D. E. Shaw & Co., Inc.24,296$302.0K0.00%+24,296New
Barclays PLC23,165$288.0K0.00%+13,738+145.7%Added
Squarepoint Ops LLC22,378$278.0K0.00%−766−3.3%Reduced
Engineers Gate Manager LP22,363$278.0K0.02%+22,363New
Walleye Capital LLC22,200$276.0K0.01%+22,200New
JPMorgan Chase & Co21,700$270.0K0.00%−138,938−86.5%Reduced
Gabelli Funds LLC20,000$249.0K0.00%+20,000New
O'Shaughnessy Asset Management, LLC18,767$233.0K0.00%+2,645+16.4%Added
Parametric Portfolio Associates LLC18,467$230.0K0.00%−29,278−61.3%Reduced
Trexquant Investment LP17,835$222.0K0.02%+17,835New
Russell Investments Group, Ltd.17,591$218.0K0.00%−196−1.1%Reduced
Invesco Ltd.16,096$200.0K0.00%−567,394−97.2%Reduced
6 Meridian14,859$185.0K0.01%+14,859New
Assenagon Asset Management S.A.13,777$171.0K0.00%+13,777New
National Asset Management, Inc.13,400$167.0K0.01%+13,400New
Jump Financial, LLC13,471$167.0K0.01%+13,471New
Connor, Clark & Lunn Investment Management Ltd.13,373$166.0K0.00%+13,373New
Marshall Wace North America L.P.12,553$156.0K0.00%+12,553New
American Century Companies Inc12,286$153.0K0.00%−279−2.2%Reduced
PDT Partners, LLC12,230$152.0K0.01%+12,230New
Jane Street Group, LLC11,395$141.0K0.00%+11,395New
Voya Investment Management LLC10,264$128.0K0.00%+10,264New
Quadrature Capital Ltd10,212$127.0K0.00%+10,212New
Gabelli & Co Investment Advisers, Inc.10,000$124.0K0.01%+10,000New
Royal Bank of Canada7,326$91.0K0.00%+26+0.4%Added
Tower Research Capital LLC (TRC)6,899$85.0K0.00%+6,899New
Public Employees Retirement System of Ohio5,180$64.0K0.00%00.0%Unchanged
Victory Capital Management Inc4,763$59.0K0.00%−24−0.5%Reduced
Bank of America Corp2,470$30.0K0.00%−14,398−85.4%Reduced
Lazard Asset Management LLC2,292$28.0K0.00%00.0%Unchanged
UBS Group AG1,962$24.0K0.00%−874−30.8%Reduced
Teachers Retirement System of the State of Kentucky1,600$20.0K0.00%00.0%Unchanged
North Star Investment Management Corp.550$7.00K0.00%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
Advisor Group Holdings, Inc.450$6.00K0.00%00.0%Unchanged
Captrust Financial Advisors431$5.00K0.00%−119−21.6%Reduced
Proequities, Inc.200$2.00K0.00%+200New
BNP Paribas Arbitrage, SA146$1.81K0.00%−5,935−97.6%Reduced
Wells Fargo & Company64$1.00K0.00%−672−91.3%Reduced
The PNC Financial Services Group, Inc.84$1.00K0.00%−208−71.2%Reduced
TCI Wealth Advisors, Inc.47$1.00K0.00%00.0%Unchanged
Eaton Vance Management454$00.00%−28−5.8%Reduced
FMR LLC16$00.00%00.0%Unchanged
Harbour Investments, Inc.9$00.00%+1+12.5%Added
Simplex Trading, LLC3$00.00%00.0%Unchanged
Principal Financial Group Inc0$00.00%−70,975−100.0%Sold out
Guggenheim Capital LLC0$00.00%−53,986−100.0%Sold out
Pacer Advisors, Inc.0$00.00%−44,976−100.0%Sold out
Public Sector Pension Investment Board0$00.00%−34,005−100.0%Sold out
New York State Teachers Retirement System0$00.00%−25,003−100.0%Sold out
Tibra Equities Europe Ltd0$00.00%−23,800−100.0%Sold out
Rhumbline Advisers0$00.00%−20,284−100.0%Sold out
Legal & General Group Plc0$00.00%−19,461−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−13,594−100.0%Sold out
Prudential Financial Inc0$00.00%−11,640−100.0%Sold out
Great West Life Assurance Co0$00.00%−9,046−100.0%Sold out
State of Alaska, Department of Revenue0$00.00%−7,056−100.0%Sold out
Citigroup Inc0$00.00%−4,925−100.0%Sold out
Oregon Public Employees Retirement Fund0$00.00%−4,137−100.0%Sold out
State of Tennessee, Treasury Department0$00.00%−3,639−100.0%Sold out
Mutual of America Capital Management LLC0$00.00%−1,450−100.0%Sold out
American International Group, Inc.0$00.00%−908−100.0%Sold out
Sutton Wealth Advisors Inc.0$00.00%−561−100.0%Sold out