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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 2024

Institutional positions in Bel Fuse Inc as of Mar 31, 2024. 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
147
+2 vs. Q4 2023
Shares held
7.58M
+224.2K (+3.0%) vs. Q4 2023
Total value
$456.7M
−$34.1M (−6.9%) vs. Q4 2023
New holders
29
53 more added
Sold out
27
44 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 147 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 2024: $456.7M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q4 2023.

Institutions holding BELFB in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.797,001$48.1M0.00%+5,086+0.6%Added
Dimensional Fund Advisors LP777,402$46.9M0.01%+3,768+0.5%Added
Vanguard Group Inc696,965$42.0M0.00%−4,207−0.6%Reduced
Royce & Associates LP440,451$26.6M0.24%+386,699+719.4%Added
Invesco Ltd.314,368$19.0M0.00%+33,556+11.9%Added
Renaissance Technologies LLC305,824$18.4M0.03%−19,013−5.9%Reduced
Geode Capital Management, LLC266,713$16.1M0.00%+7,943+3.1%Added
American Century Companies Inc247,616$14.9M0.01%+50,241+25.5%Added
Advisory Research Inc239,090$14.4M2.87%+48,904+25.7%Added
LSV Asset Management236,400$14.3M0.03%−13,500−5.4%Reduced
State Street Corp216,724$13.1M0.00%+1,257+0.6%Added
Acadian Asset Management LLC199,733$12.0M0.04%−56,156−21.9%Reduced
GW&K Investment Management, LLC186,665$11.3M0.10%−1,100−0.6%Reduced
Loomis Sayles & Co L P177,622$10.7M0.02%−89−0.1%Reduced
ArrowMark Colorado Holdings LLC116,203$7.01M0.08%+4,725+4.2%Added
Granahan Investment Management Inc114,539$6.91M0.24%+78,671+219.3%Added
Portolan Capital Management, LLC107,697$6.50M0.49%−82,815−43.5%Reduced
Charles Schwab Investment Management Inc107,023$6.45M0.00%+7,307+7.3%Added
Northern Trust Corp104,417$6.30M0.00%−1,874−1.8%Reduced
Bank of New York Mellon Corp102,188$6.16M0.00%−2,141−2.1%Reduced
Potrero Capital Research LLC92,007$5.55M3.45%+5,437+6.3%Added
Santa Monica Partners LP67,634$4.08M2.82%00.0%Unchanged
Paragon Associates & Paragon Associates II Joint Venture60,000$3.62M6.45%+60,000New
Morgan Stanley55,441$3.34M0.00%−23,256−29.6%Reduced
Investors Asset Management of Georgia Inc55,015$3.32M1.56%−449−0.8%Reduced
Squarepoint Ops LLC47,507$2.87M0.01%+12,203+34.6%Added
Roubaix Capital, LLC46,481$2.80M1.77%+46,481New
JPMorgan Chase & Co46,282$2.79M0.00%+19,697+74.1%Added
Boston Partners45,742$2.76M0.00%−2,078−4.3%Reduced
Thrivent Financial for Lutherans44,404$2.68M0.01%+44,404New
Janney Montgomery Scott LLC41,958$2.53M0.01%+4,426+11.8%Added
Citadel Advisors LLC41,180$2.48M0.00%+5,022+13.9%Added
AQR Capital Management LLC40,508$2.44M0.00%+12,093+42.6%Added
SEI Investments Co36,636$2.21M0.00%−15,425−29.6%Reduced
O'Shaughnessy Asset Management, LLC36,628$2.21M0.02%−1,566−4.1%Reduced
Brandywine Global Investment Management, LLC36,437$2.20M0.02%+7,245+24.8%Added
Apis Capital Advisors, LLC36,100$2.18M1.65%+22,100+157.9%Added
Pinnacle Associates Ltd35,830$2.16M0.03%−850−2.3%Reduced
Two Sigma Advisers, LP32,415$1.95M0.00%−13,400−29.2%Reduced
Perritt Capital Management Inc30,494$1.84M0.99%−228−0.7%Reduced
First Trust Advisors LP28,567$1.72M0.00%−3,296−10.3%Reduced
Nuveen Asset Management, LLC28,302$1.71M0.00%00.0%Unchanged
HRT Financial LP28,241$1.70M0.01%+28,241New
Goldman Sachs Group Inc27,670$1.67M0.00%+6,920+33.3%Added
Teacher Retirement System of Texas26,885$1.62M0.01%+13,863+106.5%Added
Susquehanna International Group, LLP26,010$1.57M0.00%+8,392+47.6%Added
Deutsche Bank AG25,902$1.56M0.00%+21,223+453.6%Added
Russell Investments Group, Ltd.25,400$1.53M0.00%+25,400New
Victory Capital Management Inc24,731$1.49M0.00%+18,675+308.4%Added
Navellier & Associates Inc24,007$1.45M0.18%−676−2.7%Reduced
Swiss National Bank21,000$1.27M0.00%00.0%Unchanged
Jane Street Group, LLC20,598$1.24M0.00%+10,269+99.4%Added
Ritholtz Wealth Management20,484$1.24M0.04%+214+1.1%Added
Martingale Asset Management L P19,458$1.17M0.02%+6,876+54.6%Added
Bridgeway Capital Management, LLC18,560$1.12M0.02%+1,400+8.2%Added
Empowered Funds, LLC18,560$1.12M0.02%+1,400+8.2%Added
Ballast Asset Management, LP17,697$1.07M0.58%+17,697New
Rhumbline Advisers15,979$963.7K0.00%+285+1.8%Added
Allspring Global Investments Holdings, LLC15,288$922.0K0.00%+13,943+1,036.7%Added
ClariVest Asset Management LLC15,257$920.1K0.10%+29+0.2%Added
Quadrature Capital Ltd15,134$913.8K0.02%−752−4.7%Reduced
Corsair Capital Management, L.P.14,800$892.6K0.25%−200−1.3%Reduced
Royal Bank of Canada14,372$867.0K0.00%−1,202−7.7%Reduced
Keybank National Association13,000$784.0K0.00%−28,500−68.7%Reduced
Options Solutions, LLC12,859$775.5K0.44%+12,859New
Credit Suisse AG12,606$760.3K0.00%+486+4.0%Added
Hussman Strategic Advisors, Inc.12,600$759.9K0.18%+12,600New
UBS Group AG12,111$730.4K0.00%−1,187−8.9%Reduced
Legal & General Group Plc11,568$697.7K0.00%00.0%Unchanged
Gotham Asset Management, LLC11,501$693.6K0.01%+523+4.8%Added
Aviva PLC11,327$683.1K0.00%+632+5.9%Added
Barclays PLC10,742$647.9K0.00%−8,021−42.7%Reduced
California State Teachers Retirement System10,613$640.1K0.00%−585−5.2%Reduced
UBS Asset Management Americas Inc10,540$635.7K0.00%00.0%Unchanged
Two Sigma Investments, LP10,297$621.0K0.00%−12,499−54.8%Reduced
STRS Ohio10,200$615.0K0.00%+200+2.0%Added
Gabelli Funds LLC10,191$614.6K0.00%−33,000−76.4%Reduced
Franklin Resources Inc9,953$600.3K0.00%+272+2.8%Added
Logan Stone Capital, LLC9,702$585.1K0.13%+9,702New
Alliancebernstein L.P.9,650$582.0K0.00%+2,190+29.4%Added
Panagora Asset Management Inc9,644$581.6K0.00%+359+3.9%Added
Arrowstreet Capital, Limited Partnership9,383$566.0K0.00%+9,383New
Blair William & Co9,150$551.8K0.00%00.0%Unchanged
DekaBank Deutsche Girozentrale8,287$488.0K0.00%+4,867+142.3%Added
Principal Financial Group Inc7,808$470.9K0.00%+7,808New
PFG Advisors7,804$470.7K0.03%+1,341+20.7%Added
Bank of America Corp7,058$425.7K0.00%−7,546−51.7%Reduced
Truvestments Capital LLC6,754$407.3K0.16%+6,754New
Truist Financial Corp6,560$395.6K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.6,473$390.3K0.00%+362+5.9%Added
Millennium Management LLC6,415$386.9K0.00%+6,415New
Lazard Asset Management LLC6,260$377.0K0.00%−2,178−25.8%Reduced
Jump Financial, LLC6,117$368.9K0.01%+2,002+48.7%Added
BNP Paribas Arbitrage, SA5,862$353.5K0.00%+2,484+73.5%Added
Janus Henderson Group PLC5,853$353.2K0.00%−2,730−31.8%Reduced
Steward Partners Investment Advisory, LLC5,771$348.0K0.00%+1,071+22.8%Added
FMR LLC5,738$346.1K0.00%−70−1.2%Reduced
MetLife Investment Management5,530$333.5K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)5,465$329.6K0.00%−528−8.8%Reduced
Wells Fargo & Company5,276$318.2K0.00%+1,840+53.6%Added