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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, Q2 2026

Institutional positions in Bel Fuse Inc as of Jun 30, 2026. 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
276
+45 vs. Q1 2026
Shares held
12.6M
+3.01M (+31.4%) vs. Q1 2026
Total value
$4.18B
+$2.29B (+120.6%) vs. Q1 2026
New holders
78
114 more added
Sold out
33
64 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 276 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 heldQ2 2026: $4.18B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2026.

Institutions holding BELFB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Pinnacle Associates Ltd7,530$2.51M0.03%−1,376−15.5%Reduced
Corsair Capital Management, L.P.7,234$2.41M0.30%00.0%Unchanged
Jones Financial Companies LLLP7,747$2.41M0.00%+4,640+149.3%Added
MetLife Investment Management7,118$2.37M0.01%+1,272+21.8%Added
Navellier & Associates Inc6,951$2.31M0.18%+4,825+227.0%Added
AQR Capital Management LLC6,885$2.29M0.00%+321+4.9%Added
PFG Advisors6,716$2.24M0.11%−229−3.3%Reduced
Oliver Luxxe Assets LLC6,353$2.12M0.31%−1,779−21.9%Reduced
Quantinno Capital Management LP6,151$2.05M0.00%+2,481+67.6%Added
Citadel Advisors LLC5,966$1.99M0.00%−26,561−81.7%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH5,829$1.94M0.00%+5,829New
Vanguard Global Advisers, LLC5,819$1.94M0.00%−63−1.1%Reduced
Mirae Asset Global ETFs Holdings Ltd.5,631$1.88M0.00%+771+15.9%Added
Manufacturers Life Insurance Company, The5,571$1.86M0.00%+789+16.5%Added
Oppenheimer Asset Management Inc.5,493$1.83M0.02%+5,493New
Los Angeles Capital Management LLC5,479$1.82M0.01%+2,059+60.2%Added
Diametric Capital, LP5,390$1.80M0.19%+1,723+47.0%Added
BNP Paribas Arbitrage, SA5,282$1.76M0.00%−6,966−56.9%Reduced
Argent Capital Management LLC5,045$1.68M0.05%+2,229+79.2%Added
Keybank National Association4,953$1.65M0.01%+1,943+64.6%Added
MML Investors Services, LLC4,719$1.57M0.00%+969+25.8%Added
Captrust Financial Advisors4,672$1.56M0.00%+4,672New
Verdence Capital Advisors LLC4,657$1.55M0.08%−198−4.1%Reduced
Millennium Management LLC4,554$1.52M0.00%+4,554New
Evolve Private Wealth, LLC4,418$1.47M0.09%+323+7.9%Added
Bridgeway Capital Management, LLC4,413$1.47M0.03%+4,413New
Janney Montgomery Scott LLC4,350$1.45M0.00%+90+2.1%Added
Two Sigma Investments, LP4,217$1.40M0.00%−10,367−71.1%Reduced
State of New Jersey Common Pension Fund D4,166$1.39M0.00%+4,166New
State Board of Administration of Florida Retirement System4,141$1.38M0.00%+1,223+41.9%Added
Stifel Financial Corp4,070$1.36M0.00%+549+15.6%Added
STRS Ohio4,000$1.33M0.00%+2,100+110.5%Added
ExodusPoint Capital Management, LP3,899$1.30M0.01%+3,899New
XTX Topco Ltd3,879$1.29M0.02%−3,536−47.7%Reduced
Virginia Retirement Systems Et Al3,750$1.25M0.01%+2,300+158.6%Added
Empowered Funds, LLC3,691$1.23M0.01%+1,917+108.1%Added
Police & Firemen's Retirement System of New Jersey3,606$1.20M0.01%+725+25.2%Added
Blair William & Co3,528$1.17M0.00%+3+0.1%Added
Beck Mack & Oliver LLC3,500$1.17M0.02%00.0%Unchanged
Vestcor Inc3,498$1.17M0.03%+3,498New
Ashton Thomas Private Wealth, LLC3,488$1.16M0.02%+193+5.9%Added
Arizona State Retirement System3,322$1.11M0.01%+426+14.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)3,106$1.03M0.00%+1,001+47.6%Added
Vanguard Investments Australia, Ltd.3,069$1.02M0.00%+562+22.4%Added
GLOBALT Investments LLC3,016$1.00M0.03%−2−0.1%Reduced
Prudential Financial Inc2,920$972.5K0.00%+1,289+79.0%Added
Concurrent Investment Advisors, LLC2,848$948.7K0.01%−116−3.9%Reduced
Cetera Investment Advisers2,755$917.5K0.00%+1,028+59.5%Added
KLP Kapitalforvaltning AS2,700$899.2K0.00%+400+17.4%Added
Intech Investment Management LLC2,666$887.9K0.01%−342−11.4%Reduced
Omers Administration Corp2,600$865.9K0.01%+2,600New
Voya Investment Management LLC2,587$861.6K0.00%+538+26.3%Added
NBC Securities, Inc.2,397$798.3K0.05%+252+11.7%Added
Brown Advisory Inc2,315$771.0K0.00%−79,834−97.2%Reduced
Voloridge Investment Management, LLC2,309$769.0K0.00%−32,772−93.4%Reduced
Truist Financial Corp2,276$758.0K0.00%+479+26.7%Added
Public Employees Retirement Association of Colorado1,925$641.0K0.00%+1,925New
Barclays PLC1,922$640.1K0.00%−1,973−50.7%Reduced
Pictet Asset Management Holding SA1,895$631.1K0.00%−179−8.6%Reduced
Mirabella Financial Services LLP1,858$618.8K0.06%+1,858New
Round Rock Advisors, LLC1,855$617.6K0.08%00.0%Unchanged
Sentinus, LLC1,801$599.8K0.05%−100−5.3%Reduced
Qtron Investments LLC1,776$591.5K0.08%+1,776New
Royal Bank of Canada1,755$583.0K0.00%+1,462+499.0%Added
Truvestments Capital LLC1,668$555.5K0.08%00.0%Unchanged
Simplex Trading, LLC1,651$549.8K0.01%+1,651New
Lido Advisors, LLC1,642$546.9K0.00%−1−0.1%Reduced
CI Private Wealth, LLC1,637$545.2K0.00%+1,637New
ProShare Advisors LLC1,600$532.9K0.00%+93+6.2%Added
FourThought Financial Partners, LLC1,559$519.2K0.04%−406−20.7%Reduced
Advisor Group Holdings, Inc.1,550$516.2K0.00%−464−23.0%Reduced
Teacher Retirement System of Texas1,505$501.2K0.00%−3,141−67.6%Reduced
Comprehensive Financial Planning, Inc.1,392$463.6K0.25%+1,392New
Jackson Creek Investment Advisors LLC1,664$453.0K0.15%+1,664New
Hillsdale Investment Management Inc.1,335$444.6K0.01%−515−27.8%Reduced
Swiss Life Asset Management Ltd1,327$441.9K0.00%+14+1.1%Added
Pinnacle Wealth Management Advisory Group, LLC1,324$440.9K0.03%−1,352−50.5%Reduced
Lighthouse Investment Partners, LLC1,263$420.6K0.01%+1,263New
D'Orazio & Associates, Inc.1,251$416.6K0.05%−45−3.5%Reduced
Prelude Capital Management, LLC1,251$416.6K0.03%−410−24.7%Reduced
Toronto Dominion Bank1,228$409.0K0.00%−3,915−76.1%Reduced
Great West Life Assurance Co1,216$404.0K0.00%+242+24.8%Added
Principal Securities, Inc.1,202$400.3K0.00%+1,202New
Catalyst Funds Management Pty Ltd1,201$400.0K0.02%+1,201New
Xponance, Inc.1,193$397.3K0.00%+1,193New
Tower Research Capital LLC (TRC)1,186$395.0K0.01%−327−21.6%Reduced
Ameritas Investment Partners, Inc.1,110$369.7K0.01%+241+27.7%Added
Susquehanna Fundamental Investments, LLC1,100$366.3K0.01%+1,100New
Hohimer Wealth Management, LLC1,094$364.3K0.04%+3+0.3%Added
Templeton & Phillips Capital Management, LLC1,076$358.4K0.26%−367−25.4%Reduced
Empower Advisory Group, LLC1,012$337.0K0.00%+1,012New
GWM Advisors LLC1,005$334.7K0.00%+35+3.6%Added
Investment Advisory Group, LLC1,000$333.0K0.07%+1,000New
Global Retirement Partners, LLC964$321.1K0.00%+964New
Vista Finance, LLC958$319.1K0.18%+958New
Gotham Asset Management, LLC908$302.4K0.00%+908New
Harvest Investment Services, LLC880$293.1K0.05%+880New
Wiley Bros.-Aintree Capital, LLC835$278.5K0.00%+835New
Commonwealth Equity Services, LLC826$275.1K0.00%+826New
ZWJ Investment Counsel Inc825$274.8K0.01%+825New