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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 2025

Institutional positions in Bel Fuse Inc as of Jun 30, 2025. 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
174
+11 vs. Q1 2025
Shares held
9.64M
+428.9K (+4.7%) vs. Q1 2025
Total value
$941.8M
+$252.5M (+36.6%) vs. Q1 2025
New holders
36
55 more added
Sold out
25
64 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 174 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 2025: $941.8M
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 2025

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2025.

Institutions holding BELFB in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Avion Wealth8$00.00%+8New
Twin Peaks Wealth Advisors, LLC4$5390.00%+4New
Allworth Financial LP7$6840.00%+7New
Rialto Wealth Management, LLC7$6840.00%+7New
SRS Capital Advisors, Inc.10$9770.00%−8−44.4%Reduced
MAI Capital Management16$1.56K0.00%+16New
Farther Finance Advisors, LLC18$1.76K0.00%+18New
True Wealth Design, LLC19$1.86K0.00%+12+171.4%Added
Rothschild Investment LLC25$2.44K0.00%−5−16.7%Reduced
Parallel Advisors, LLC27$2.64K0.00%+14+107.7%Added
Glenmede Investment Management, LP41$4.00K0.00%+41New
WealthCollab, LLC46$4.49K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC49$4.79K0.00%+45+1,125.0%Added
Smartleaf Asset Management LLC57$5.48K0.00%−3−5.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.66$6.00K0.00%+66New
Danske Bank A/S65$6.35K0.00%−17,985−99.6%Reduced
Public Employees Retirement System of Ohio91$8.89K0.00%+48+111.6%Added
Comerica Bank98$9.57K0.00%−14−12.5%Reduced
Global Retirement Partners, LLC100$9.77K0.00%+100New
Jones Financial Companies LLLP108$10.4K0.00%00.0%Unchanged
US Bancorp126$12.3K0.00%−57−31.1%Reduced
Signaturefd, LLC130$12.7K0.00%+35+36.8%Added
GAMMA Investing LLC155$15.1K0.00%+93+150.0%Added
The PNC Financial Services Group, Inc.157$15.3K0.00%−137−46.6%Reduced
Nisa Investment Advisors, LLC169$16.5K0.00%+132+356.8%Added
Principal Securities, Inc.179$17.5K0.00%−27−13.1%Reduced
Clearstead Advisors, LLC200$19.5K0.00%+200New
Federated Hermes, Inc.219$21.4K0.00%+219New
Smithfield Trust Co232$23.0K0.00%00.0%Unchanged
Sterling Capital Management LLC288$28.1K0.00%−5,830−95.3%Reduced
CWM, LLC292$29.0K0.00%−91−23.8%Reduced
Amalgamated Bank353$34.0K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC510$49.8K0.00%+510New
North Star Investment Management Corp.550$53.7K0.00%00.0%Unchanged
Creekmur Asset Management LLC625$61.0K0.01%+1+0.2%Added
Versant Capital Management, Inc732$71.5K0.01%+655+850.6%Added
Great West Life Assurance Co760$74.0K0.00%00.0%Unchanged
Skopos Labs, Inc.761$74.3K0.01%+761New
Covestor Ltd808$79.0K0.05%−1−0.1%Reduced
BNP Paribas Arbitrage, SA1,000$97.7K0.00%+375+60.0%Added
Ameritas Investment Partners, Inc.1,032$100.8K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,038$101.4K0.00%+845+437.8%Added
SG Americas Securities, LLC1,373$134.0K0.00%−1,403−50.5%Reduced
Canada Pension Plan Investment Board1,600$156.3K0.00%+100+6.7%Added
Steward Partners Investment Advisory, LLC1,700$166.1K0.00%−700−29.2%Reduced
Y-Intercept (Hong Kong) Ltd2,068$202.0K0.00%+2,068New
Pictet Asset Management Holding SA2,100$205.1K0.00%+2,100New
Zurcher Kantonalbank (Zurich Cantonalbank)2,105$205.6K0.00%−854−28.9%Reduced
ProShare Advisors LLC2,132$208.3K0.00%+2,132New
LPL Financial LLC2,163$211.3K0.00%+2,163New
KLP Kapitalforvaltning AS2,400$234.5K0.00%+600+33.3%Added
Police & Firemen's Retirement System of New Jersey2,437$238.1K0.00%+358+17.2%Added
Hohimer Wealth Management, LLC2,559$250.0K0.04%+2,559New
State of Wisconsin Investment Board2,611$255.1K0.00%−2,784−51.6%Reduced
Two Sigma Securities, LLC2,643$258.2K0.03%+2,643New
State Board of Administration of Florida Retirement System2,940$287.2K0.00%00.0%Unchanged
Keybank National Association3,000$293.1K0.00%00.0%Unchanged
Arizona State Retirement System3,013$294.3K0.00%+33+1.1%Added
Envestnet Asset Management Inc3,103$303.2K0.00%−18−0.6%Reduced
SEI Investments Co3,191$311.7K0.00%+3,191New
Quantinno Capital Management LP3,211$313.7K0.00%+3,211New
Gabelli Funds LLC3,264$318.9K0.00%00.0%Unchanged
Voya Investment Management LLC3,375$329.7K0.00%+35+1.0%Added
AQR Capital Management LLC3,434$335.5K0.00%−581−14.5%Reduced
XTX Topco Ltd3,665$358.0K0.01%+3,665New
Landscape Capital Management, L.L.C.3,848$375.9K0.03%+3,848New
Verition Fund Management LLC3,858$376.9K0.00%−2,310−37.5%Reduced
Janney Montgomery Scott LLC3,862$377.0K0.00%+113+3.0%Added
Numerai GP LLC3,878$378.8K0.05%+3,878New
Manufacturers Life Insurance Company, The3,953$386.2K0.00%+337+9.3%Added
Truvestments Capital LLC3,980$388.8K0.08%−235−5.6%Reduced
New York State Common Retirement Fund4,188$409.1K0.00%00.0%Unchanged
Intech Investment Management LLC4,230$413.2K0.00%−1,738−29.1%Reduced
Kovitz Investment Group Partners, LLC4,241$414.3K0.00%+370+9.6%Added
Citigroup Inc5,017$490.1K0.00%−3,963−44.1%Reduced
Quadrature Capital Ltd5,359$523.5K0.01%+5,359New
Mirae Asset Global ETFs Holdings Ltd.5,699$556.7K0.00%−428−7.0%Reduced
Martingale Asset Management L P5,707$557.5K0.01%−10,823−65.5%Reduced
Mackenzie Financial Corp5,964$582.6K0.00%−620−9.4%Reduced
Formula Growth Ltd6,000$586.1K0.22%+6,000New
Two Sigma Advisers, LP6,238$609.4K0.00%+38+0.6%Added
PFG Advisors6,281$613.5K0.03%+199+3.3%Added
Raymond James Financial Inc6,576$642.4K0.00%+6,576New
Grandeur Peak Global Advisors, LLC6,600$644.8K0.08%−806−10.9%Reduced
Teacher Retirement System of Texas6,910$675.0K0.00%+1,519+28.2%Added
Advisor Group Holdings, Inc.7,048$688.4K0.00%+758+12.1%Added
Deutsche Bank AG7,072$690.9K0.00%−1,540−17.9%Reduced
Wells Fargo & Company7,292$712.3K0.00%+463+6.8%Added
TrueMark Investments, LLC7,453$728.1K0.16%+7,453New
Koss-Olinger Consulting, LLC7,932$774.8K0.06%−600−7.0%Reduced
DekaBank Deutsche Girozentrale8,287$798.0K0.00%00.0%Unchanged
Corsair Capital Management, L.P.8,932$872.6K0.17%00.0%Unchanged
Tectonic Advisors LLC8,939$873.2K0.05%−6,538−42.2%Reduced
Blair William & Co9,150$893.9K0.00%00.0%Unchanged
Sierra Summit Advisors LLC9,274$906.0K0.16%+9,274New
California State Teachers Retirement System9,640$941.7K0.00%−112−1.1%Reduced
Alliancebernstein L.P.9,650$942.7K0.00%00.0%Unchanged
JPMorgan Chase & Co9,939$970.9K0.00%+116+1.2%Added
Legal & General Group Plc10,127$989.3K0.00%−1,071−9.6%Reduced
Creative Planning11,267$1.10M0.00%+513+4.8%Added