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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
Swiss Life Asset Management Ltd1,327$441.9K0.00%+14+1.1%Added
Hillsdale Investment Management Inc.1,335$444.6K0.01%−515−27.8%Reduced
Jackson Creek Investment Advisors LLC1,664$453.0K0.15%+1,664New
Comprehensive Financial Planning, Inc.1,392$463.6K0.25%+1,392New
Teacher Retirement System of Texas1,505$501.2K0.00%−3,141−67.6%Reduced
Advisor Group Holdings, Inc.1,550$516.2K0.00%−464−23.0%Reduced
FourThought Financial Partners, LLC1,559$519.2K0.04%−406−20.7%Reduced
ProShare Advisors LLC1,600$532.9K0.00%+93+6.2%Added
CI Private Wealth, LLC1,637$545.2K0.00%+1,637New
Lido Advisors, LLC1,642$546.9K0.00%−1−0.1%Reduced
Simplex Trading, LLC1,651$549.8K0.01%+1,651New
Truvestments Capital LLC1,668$555.5K0.08%00.0%Unchanged
Royal Bank of Canada1,755$583.0K0.00%+1,462+499.0%Added
Qtron Investments LLC1,776$591.5K0.08%+1,776New
Sentinus, LLC1,801$599.8K0.05%−100−5.3%Reduced
Round Rock Advisors, LLC1,855$617.6K0.08%00.0%Unchanged
Mirabella Financial Services LLP1,858$618.8K0.06%+1,858New
Pictet Asset Management Holding SA1,895$631.1K0.00%−179−8.6%Reduced
Barclays PLC1,922$640.1K0.00%−1,973−50.7%Reduced
Public Employees Retirement Association of Colorado1,925$641.0K0.00%+1,925New
Truist Financial Corp2,276$758.0K0.00%+479+26.7%Added
Voloridge Investment Management, LLC2,309$769.0K0.00%−32,772−93.4%Reduced
Brown Advisory Inc2,315$771.0K0.00%−79,834−97.2%Reduced
NBC Securities, Inc.2,397$798.3K0.05%+252+11.7%Added
Voya Investment Management LLC2,587$861.6K0.00%+538+26.3%Added
Omers Administration Corp2,600$865.9K0.01%+2,600New
Intech Investment Management LLC2,666$887.9K0.01%−342−11.4%Reduced
KLP Kapitalforvaltning AS2,700$899.2K0.00%+400+17.4%Added
Cetera Investment Advisers2,755$917.5K0.00%+1,028+59.5%Added
Concurrent Investment Advisors, LLC2,848$948.7K0.01%−116−3.9%Reduced
Prudential Financial Inc2,920$972.5K0.00%+1,289+79.0%Added
GLOBALT Investments LLC3,016$1.00M0.03%−2−0.1%Reduced
Vanguard Investments Australia, Ltd.3,069$1.02M0.00%+562+22.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)3,106$1.03M0.00%+1,001+47.6%Added
Arizona State Retirement System3,322$1.11M0.01%+426+14.7%Added
Ashton Thomas Private Wealth, LLC3,488$1.16M0.02%+193+5.9%Added
Vestcor Inc3,498$1.17M0.03%+3,498New
Beck Mack & Oliver LLC3,500$1.17M0.02%00.0%Unchanged
Blair William & Co3,528$1.17M0.00%+3+0.1%Added
Police & Firemen's Retirement System of New Jersey3,606$1.20M0.01%+725+25.2%Added
Empowered Funds, LLC3,691$1.23M0.01%+1,917+108.1%Added
Virginia Retirement Systems Et Al3,750$1.25M0.01%+2,300+158.6%Added
XTX Topco Ltd3,879$1.29M0.02%−3,536−47.7%Reduced
ExodusPoint Capital Management, LP3,899$1.30M0.01%+3,899New
STRS Ohio4,000$1.33M0.00%+2,100+110.5%Added
Stifel Financial Corp4,070$1.36M0.00%+549+15.6%Added
State Board of Administration of Florida Retirement System4,141$1.38M0.00%+1,223+41.9%Added
State of New Jersey Common Pension Fund D4,166$1.39M0.00%+4,166New
Two Sigma Investments, LP4,217$1.40M0.00%−10,367−71.1%Reduced
Janney Montgomery Scott LLC4,350$1.45M0.00%+90+2.1%Added
Bridgeway Capital Management, LLC4,413$1.47M0.03%+4,413New
Evolve Private Wealth, LLC4,418$1.47M0.09%+323+7.9%Added
Millennium Management LLC4,554$1.52M0.00%+4,554New
Verdence Capital Advisors LLC4,657$1.55M0.08%−198−4.1%Reduced
Captrust Financial Advisors4,672$1.56M0.00%+4,672New
MML Investors Services, LLC4,719$1.57M0.00%+969+25.8%Added
Keybank National Association4,953$1.65M0.01%+1,943+64.6%Added
Argent Capital Management LLC5,045$1.68M0.05%+2,229+79.2%Added
BNP Paribas Arbitrage, SA5,282$1.76M0.00%−6,966−56.9%Reduced
Diametric Capital, LP5,390$1.80M0.19%+1,723+47.0%Added
Los Angeles Capital Management LLC5,479$1.82M0.01%+2,059+60.2%Added
Oppenheimer Asset Management Inc.5,493$1.83M0.02%+5,493New
Manufacturers Life Insurance Company, The5,571$1.86M0.00%+789+16.5%Added
Mirae Asset Global ETFs Holdings Ltd.5,631$1.88M0.00%+771+15.9%Added
Vanguard Global Advisers, LLC5,819$1.94M0.00%−63−1.1%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH5,829$1.94M0.00%+5,829New
Citadel Advisors LLC5,966$1.99M0.00%−26,561−81.7%Reduced
Quantinno Capital Management LP6,151$2.05M0.00%+2,481+67.6%Added
Oliver Luxxe Assets LLC6,353$2.12M0.31%−1,779−21.9%Reduced
PFG Advisors6,716$2.24M0.11%−229−3.3%Reduced
AQR Capital Management LLC6,885$2.29M0.00%+321+4.9%Added
Navellier & Associates Inc6,951$2.31M0.18%+4,825+227.0%Added
MetLife Investment Management7,118$2.37M0.01%+1,272+21.8%Added
Jones Financial Companies LLLP7,747$2.41M0.00%+4,640+149.3%Added
Corsair Capital Management, L.P.7,234$2.41M0.30%00.0%Unchanged
Pinnacle Associates Ltd7,530$2.51M0.03%−1,376−15.5%Reduced
New York State Common Retirement Fund7,558$2.52M0.00%+1,495+24.7%Added
Expect Equity LLC7,715$2.57M1.65%−3,346−30.3%Reduced
Sowell Financial Services LLC7,793$2.60M0.08%+579+8.0%Added
Caxton Associates LLP7,805$2.60M0.05%+2,655+51.6%Added
Dark Forest Capital Management LP7,885$2.63M0.17%+6,758+599.6%Added
Public Employees Retirement System of Ohio8,127$2.71M0.01%+8,009+6,787.3%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.8,476$2.82M0.00%+4,209+98.6%Added
Alliancebernstein L.P.14,450$2.86M0.00%+3,206+28.5%Added
HighTower Advisors, LLC9,263$3.08M0.00%+9,263New
Legal & General Group Plc9,795$3.26M0.00%+1,850+23.3%Added
B. Metzler seel. Sohn & Co. AG10,425$3.47M0.03%+2,791+36.6%Added
Ritholtz Wealth Management10,745$3.58M0.05%−271−2.5%Reduced
Citigroup Inc10,941$3.64M0.00%+6,612+152.7%Added
Montanaro Asset Management Ltd11,000$3.66M1.16%+11,000New
Qube Research & Technologies Ltd11,274$3.75M0.00%−478−4.1%Reduced
SG Americas Securities, LLC11,510$3.83M0.00%−6,132−34.8%Reduced
Bridges Investment Management Inc12,479$4.16M0.05%+54+0.4%Added
North Star Investment Management Corp.12,550$4.18M0.23%00.0%Unchanged
TD Asset Management Inc12,770$4.25M0.00%−728−5.4%Reduced
California State Teachers Retirement System13,108$4.37M0.00%−109−0.8%Reduced
Deutsche Bank AG14,035$4.67M0.00%+5,197+58.8%Added
Phocas Financial Corp.14,521$4.84M0.67%−756−4.9%Reduced
Rhumbline Advisers14,836$4.94M0.00%+1,469+11.0%Added
O'Shaughnessy Asset Management, LLC14,846$4.94M0.02%+237+1.6%Added