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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 2023

Institutional positions in Bel Fuse Inc as of Sep 30, 2023. 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
134
+9 vs. Q2 2023
Shares held
6.98M
−175.5K (−2.5%) vs. Q2 2023
Total value
$333.4M
−$77.4M (−18.8%) vs. Q2 2023
New holders
30
48 more added
Sold out
21
42 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 134 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 2023: $333.4M
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 2023

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q2 2023.

Institutions holding BELFB in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Dimensional Fund Advisors LP778,959$37.2M0.01%+18,523+2.4%Added
BlackRock Inc.743,868$35.5M0.00%−8,892−1.2%Reduced
Vanguard Group Inc676,723$32.3M0.00%+30,752+4.8%Added
Portolan Capital Management, LLC379,178$18.1M1.69%+24,052+6.8%Added
Renaissance Technologies LLC359,051$17.1M0.03%+26,000+7.8%Added
Acadian Asset Management LLC320,060$15.3M0.06%−100,606−23.9%Reduced
Geode Capital Management, LLC251,556$12.0M0.00%+22,526+9.8%Added
LSV Asset Management215,800$10.3M0.02%−5,900−2.7%Reduced
State Street Corp197,736$9.44M0.00%+10,491+5.6%Added
Invesco Ltd.188,849$9.01M0.00%−129,808−40.7%Reduced
Loomis Sayles & Co L P175,543$8.38M0.01%+175,543New
American Century Companies Inc169,920$8.11M0.01%+39,046+29.8%Added
Potrero Capital Research LLC149,359$7.13M4.72%+46,359+45.0%Added
ArrowMark Colorado Holdings LLC138,831$6.63M0.08%+36,599+35.8%Added
Bank of New York Mellon Corp127,379$6.08M0.00%−2,012−1.6%Reduced
Oberweis Asset Management Inc121,500$5.80M0.62%00.0%Unchanged
Boston Partners114,905$5.48M0.01%−17,403−13.2%Reduced
Hillsdale Investment Management Inc.106,701$5.09M0.47%−1,070−1.0%Reduced
Northern Trust Corp104,151$4.97M0.00%+3,001+3.0%Added
Charles Schwab Investment Management Inc78,669$3.75M0.00%+50,269+177.0%Added
Gabelli Funds LLC76,191$3.64M0.03%00.0%Unchanged
Russell Investments Group, Ltd.68,804$3.28M0.01%−95,965−58.2%Reduced
Santa Monica Partners LP67,634$3.23M2.49%00.0%Unchanged
Investors Asset Management of Georgia Inc54,845$2.61M1.44%−500−0.9%Reduced
SEI Investments Co54,282$2.59M0.00%−5,258−8.8%Reduced
JPMorgan Chase & Co47,260$2.26M0.00%+39,116+480.3%Added
Morgan Stanley44,900$2.14M0.00%−164,030−78.5%Reduced
Squarepoint Ops LLC44,215$2.11M0.01%+29,485+200.2%Added
Two Sigma Investments, LP37,101$1.77M0.00%+37,101New
Pinnacle Associates Ltd37,035$1.77M0.03%+250+0.7%Added
Janney Montgomery Scott LLC34,555$1.65M0.01%+21,240+159.5%Added
O'Shaughnessy Asset Management, LLC33,826$1.61M0.02%−5,928−14.9%Reduced
Perritt Capital Management Inc33,722$1.61M0.93%−1,842−5.2%Reduced
Brandywine Global Investment Management, LLC32,262$1.54M0.01%+28,727+812.6%Added
First Trust Advisors LP31,512$1.50M0.00%+2,994+10.5%Added
Connor, Clark & Lunn Investment Management Ltd.31,073$1.48M0.01%+130.0%Added
Granahan Investment Management Inc30,385$1.45M0.05%+17,390+133.8%Added
Horizon Kinetics Asset Management LLC28,988$1.38M0.03%00.0%Unchanged
Nuveen Asset Management, LLC27,992$1.34M0.00%−257−0.9%Reduced
Citadel Advisors LLC27,314$1.30M0.00%+19,372+243.9%Added
Calamos Advisors LLC27,211$1.30M0.01%−34,610−56.0%Reduced
Millennium Management LLC26,546$1.27M0.00%−33,493−55.8%Reduced
Advisory Research Inc24,386$1.16M0.16%+17,925+277.4%Added
Two Sigma Advisers, LP24,015$1.15M0.00%+17,215+253.2%Added
Swiss National Bank23,400$1.12M0.00%+23,400New
EAM Investors, LLC22,448$1.07M0.21%−72,414−76.3%Reduced
Goldman Sachs Group Inc22,023$1.05M0.00%+6,849+45.1%Added
Kennedy Capital Management, Inc.21,812$1.04M0.03%−3,208−12.8%Reduced
Balyasny Asset Management LLC21,805$1.04M0.00%+21,805New
Ritholtz Wealth Management19,294$920.7K0.04%−1,888−8.9%Reduced
Rhumbline Advisers15,703$749.3K0.00%+1,655+11.8%Added
Bridgeway Capital Management, LLC15,624$745.6K0.02%−46,377−74.8%Reduced
Empowered Funds, LLC15,624$745.6K0.02%−13,120−45.6%Reduced
Navellier & Associates Inc15,620$745.4K0.13%−441−2.7%Reduced
Royal Bank of Canada15,192$725.0K0.00%−1,738−10.3%Reduced
Susquehanna International Group, LLP15,076$719.4K0.00%−9,517−38.7%Reduced
ClariVest Asset Management LLC14,832$708.0K0.04%+1,500+11.3%Added
Qube Research & Technologies Ltd14,259$680.4K0.00%+9,961+231.8%Added
Globeflex Capital L P13,685$653.0K0.08%−295−2.1%Reduced
ExodusPoint Capital Management, LP13,472$643.0K0.01%+4,454+49.4%Added
Occudo Quantitative Strategies LP12,528$597.8K0.08%+997+8.6%Added
Martingale Asset Management L P12,520$597.5K0.01%+12,520New
Versor Investments LP12,006$572.9K0.12%+12,006New
California State Teachers Retirement System11,705$558.6K0.00%+8,223+236.2%Added
Credit Suisse AG11,593$553.2K0.00%+11,593New
Legal & General Group Plc11,304$539.4K0.00%−8,174−42.0%Reduced
Advisor Group Holdings, Inc.10,232$488.1K0.00%−1,382−11.9%Reduced
Panagora Asset Management Inc9,287$443.2K0.00%+20.0%Added
Blair William & Co9,150$436.6K0.00%00.0%Unchanged
Bailard, Inc.8,953$427.2K0.01%00.0%Unchanged
UBS Group AG8,783$419.1K0.00%−495−5.3%Reduced
Bank of America Corp8,749$417.5K0.00%−5,140−37.0%Reduced
Barclays PLC8,671$413.8K0.00%−15,705−64.4%Reduced
Gotham Asset Management, LLC8,625$411.6K0.01%+8,625New
Janus Henderson Group PLC8,561$408.9K0.00%+8,561New
Jane Street Group, LLC8,214$392.0K0.00%+2,207+36.7%Added
Trexquant Investment LP7,582$361.8K0.01%−11,332−59.9%Reduced
Teacher Retirement System of Texas7,501$358.0K0.00%+7,501New
Alps Advisors Inc7,291$347.9K0.00%−2,019−21.7%Reduced
Tower Research Capital LLC (TRC)7,281$347.4K0.01%+4,072+126.9%Added
BNP Paribas Arbitrage, SA7,280$347.4K0.00%+3,559+95.6%Added
D. E. Shaw & Co., Inc.7,278$347.3K0.00%−69,748−90.6%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC6,848$326.8K0.00%−10,952−61.5%Reduced
Mesirow Financial Investment Management, Inc.6,788$323.9K1.41%+2,555+60.4%Added
Truist Financial Corp6,772$323.2K0.00%+412+6.5%Added
Alliancebernstein L.P.6,340$302.5K0.00%+6,340New
XTX Topco Ltd6,287$300.0K0.05%+6,287New
UBS Asset Management Americas Inc6,240$297.8K0.00%+6,240New
Man Group plc–$292.7K0.00%–New
Winton Group Ltd6,004$286.5K0.02%+6,004New
STRS Ohio6,000$286.0K0.00%+5,300+757.1%Added
MetLife Investment Management5,530$263.9K0.00%00.0%Unchanged
American International Group, Inc.5,224$249.3K0.00%+186+3.7%Added
PFG Advisors5,210$248.6K0.02%+467+9.8%Added
Manatuck Hill Partners, LLC5,128$244.7K0.12%−9,872−65.8%Reduced
Lazard Asset Management LLC4,972$237.0K0.00%+387+8.4%Added
Deutsche Bank AG4,789$228.5K0.00%+669+16.2%Added
Franklin Resources Inc4,677$223.2K0.00%00.0%Unchanged
Stokes Family Office, LLC4,667$222.7K0.03%−248−5.0%Reduced
Steward Partners Investment Advisory, LLC4,500$214.7K0.00%00.0%Unchanged