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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: $79.6MQ1 2022: $111.9MQ2 2022: $102.9MQ3 2022: $160.2MQ4 2022: $205.7MQ1 2023: $250.6MQ2 2023: $412.5MQ3 2023: $333.5MQ4 2023: $498.0MQ1 2024: $467.3MQ2 2024: $541.6MQ3 2024: $658.9MQ4 2024: $715.7MQ1 2025: $689.5MQ2 2025: $944.2MQ3 2025: $1.31BQ4 2025: $1.73BQ1 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$1.73B
Q3 2025197$1.31B
Q2 2025174$944.2M
Q1 2025164$689.5M
Q4 2024168$715.7M
Q3 2024163$658.9M
Q2 2024153$541.6M
Q1 2024147$467.3M
Q4 2023146$498.0M
Q3 2023134$333.5M
Q2 2023126$412.5M
Q1 202396$250.6M
Q4 202290$205.7M
Q3 202283$160.2M
Q2 202261$102.9M
Q1 202270$111.9M
Q4 202167$79.6M
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
BlackRock, Inc.1,022,258$340.5M0.01%+175,338+20.7%Added
Price T Rowe Associates Inc1,015,705$338.3M0.03%+242,230+31.3%Added
FMR LLC876,104$291.8M0.01%+244,797+38.8%Added
Jupiter Topco LLC590,030$196.5M0.08%+590,030New
Vanguard Capital Management LLC555,463$185.0M0.00%+66,382+13.6%Added
T. Rowe Price Investment Management, Inc.537,813$179.1M0.12%−35,106−6.1%Reduced
Wasatch Advisors Inc489,414$163.0M1.07%+10,705+2.2%Added
Vanguard Portfolio Management LLC399,104$132.9M0.01%+69,643+21.1%Added
Bank of New York Mellon Corp389,896$129.9M0.02%+338,660+661.0%Added
Geode Capital Management, LLC363,322$121.0M0.01%+55,274+17.9%Added
Franklin Resources Inc300,239$100.0M0.02%+185,886+162.6%Added
Jennison Associates LLC292,065$97.3M0.06%+292,065New
State Street Corp280,509$93.4M0.00%+38,055+15.7%Added
Dimensional Fund Advisors LP260,736$86.8M0.02%+3,903+1.5%Added
JPMorgan Chase & Co243,293$77.0M0.00%−6,094−2.4%Reduced
Toroso Investments, LLC211,805$70.5M0.17%+70,014+49.4%Added
Renaissance Technologies LLC207,741$69.2M0.10%−6,131−2.9%Reduced
Tema ETFs LLC202,849$67.6M2.18%+69,531+52.2%Added
Westwood Holdings Group Inc.194,237$64.7M0.49%+194,237New
Fisher Asset Management, LLC190,776$63.5M0.02%−24,872−11.5%Reduced
Allspring Global Investments Holdings, LLC198,405$63.1M0.10%+103,583+109.2%Added
Lord, Abbett & Co. LLC189,280$63.0M0.18%+21,876+13.1%Added
Bessemer Group Inc158,132$52.7M0.07%+20,814+15.2%Added
Nomura Asset Management International Inc.142,840$47.6M0.07%+91,884+180.3%Added
Northern Trust Corp124,169$41.4M0.00%+19,289+18.4%Added
Advisory Research Inc117,896$39.3M3.92%−1,468−1.2%Reduced
Charles Schwab Investment Management Inc112,609$37.5M0.00%+14,937+15.3%Added
Thrivent Financial for Lutherans111,726$37.2M0.06%−76,330−40.6%Reduced
Invesco Ltd.105,254$35.1M0.00%+31,228+42.2%Added
Loomis Sayles & Co L P101,031$33.6M0.04%−44,617−30.6%Reduced
GW&K Investment Management, LLC97,377$32.4M0.25%−33,042−25.3%Reduced
Alyeska Investment Group, L.P.91,478$30.5M0.08%+91,478New
Vanguard Fiduciary Trust Co88,091$29.3M0.01%+17,269+24.4%Added
Royce & Associates LP87,078$29.0M0.23%−10,095−10.4%Reduced
Daiwa Securities Group Inc.86,566$28.8M0.07%+86,566New
Raymond James Financial Inc81,589$27.2M0.01%+46,597+133.2%Added
Susquehanna International Group, LLP78,987$26.3M0.02%+18,969+31.6%Added
Boston Partners78,597$26.2M0.02%+13,154+20.1%Added
Ameriprise Financial Inc77,120$25.7M0.01%+77,120New
Jane Street Group, LLC74,187$24.7M0.02%+35,837+93.4%Added
Goldman Sachs Group Inc70,160$23.4M0.00%−13,990−16.6%Reduced
Santa Monica Partners LP67,634$22.5M12.15%00.0%Unchanged
Morgan Stanley62,302$20.7M0.00%+1,050+1.7%Added
Bank of America Corp61,539$20.5M0.00%+51,191+494.7%Added
Marshall Wace, LLP59,577$19.8M0.02%+59,577New
First Trust Advisors LP56,647$18.9M0.01%−1,381−2.4%Reduced
Portolan Capital Management, LLC47,856$15.9M0.60%−5,314−10.0%Reduced
UBS Group AG41,117$13.7M0.00%−16,114−28.2%Reduced
Russell Investments Group, Ltd.39,306$13.1M0.01%+4,939+14.4%Added
Envestnet Asset Management Inc37,492$12.5M0.00%+13,022+53.2%Added
SEI Investments Co37,288$12.4M0.01%+1,619+4.5%Added
LPL Financial LLC36,129$12.0M0.00%+2,511+7.5%Added
Nuveen, LLC34,851$11.6M0.00%+12,175+53.7%Added
Polen Capital Management LLC32,845$10.9M0.09%−10,494−24.2%Reduced
Grandeur Peak Global Advisors, LLC32,570$10.8M2.51%−4,322−11.7%Reduced
Ghisallo Capital Management LLC30,000$9.99M0.20%+30,000New
SG Capital Management LLC26,875$8.95M0.81%+26,875New
Emerald Investment Advisers, LLC25,819$8.60M0.57%+6,722+35.2%Added
Nitor Capital Management LLC25,400$8.46M5.71%00.0%Unchanged
Investors Asset Management of Georgia Inc24,708$8.23M2.86%−99−0.4%Reduced
Swiss National Bank24,200$8.06M0.00%+3,400+16.3%Added
Credit Agricole S A23,700$7.89M0.02%00.0%Unchanged
Ballast Asset Management, LP23,493$7.82M3.12%−234−1.0%Reduced
UBS Asset Management Americas Inc22,167$7.38M0.00%+2,897+15.0%Added
Rockefeller Capital Management L.P.22,045$7.34M0.01%+4,773+27.6%Added
Creative Planning21,470$7.15M0.00%+2,644+14.0%Added
Victory Capital Management Inc20,567$6.85M0.00%−8,993−30.4%Reduced
Seven Grand Managers, LLC20,000$6.66M0.27%+20,000New
Natixis19,600$6.53M0.03%+19,600New
EAM Investors, LLC18,924$6.30M0.56%−5,098−21.2%Reduced
American Century Companies Inc18,284$6.09M0.00%+13,326+268.8%Added
Wells Fargo & Company18,119$6.03M0.00%+13,008+254.5%Added
Herald Investment Management Ltd17,950$5.97M0.81%−12,050−40.2%Reduced
Public Sector Pension Investment Board17,411$5.80M0.02%+17,411New
Principal Financial Group Inc17,177$5.72M0.00%+2,455+16.7%Added
State of Wisconsin Investment Board15,474$5.15M0.01%−5,313−25.6%Reduced
O'Shaughnessy Asset Management, LLC14,846$4.94M0.02%+237+1.6%Added
Rhumbline Advisers14,836$4.94M0.00%+1,469+11.0%Added
Phocas Financial Corp.14,521$4.84M0.67%−756−4.9%Reduced
Deutsche Bank AG14,035$4.67M0.00%+5,197+58.8%Added
California State Teachers Retirement System13,108$4.37M0.00%−109−0.8%Reduced
TD Asset Management Inc12,770$4.25M0.00%−728−5.4%Reduced
North Star Investment Management Corp.12,550$4.18M0.23%00.0%Unchanged
Bridges Investment Management Inc12,479$4.16M0.05%+54+0.4%Added
SG Americas Securities, LLC11,510$3.83M0.00%−6,132−34.8%Reduced
Qube Research & Technologies Ltd11,274$3.75M0.00%−478−4.1%Reduced
Montanaro Asset Management Ltd11,000$3.66M1.16%+11,000New
Citigroup Inc10,941$3.64M0.00%+6,612+152.7%Added
Ritholtz Wealth Management10,745$3.58M0.05%−271−2.5%Reduced
B. Metzler seel. Sohn & Co. AG10,425$3.47M0.03%+2,791+36.6%Added
Legal & General Group Plc9,795$3.26M0.00%+1,850+23.3%Added
HighTower Advisors, LLC9,263$3.08M0.00%+9,263New
Alliancebernstein L.P.14,450$2.86M0.00%+3,206+28.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.8,476$2.82M0.00%+4,209+98.6%Added
Public Employees Retirement System of Ohio8,127$2.71M0.01%+8,009+6,787.3%Added
Dark Forest Capital Management LP7,885$2.63M0.17%+6,758+599.6%Added
Caxton Associates LLP7,805$2.60M0.05%+2,655+51.6%Added
Sowell Financial Services LLC7,793$2.60M0.08%+579+8.0%Added
Expect Equity LLC7,715$2.57M1.65%−3,346−30.3%Reduced
New York State Common Retirement Fund7,558$2.52M0.00%+1,495+24.7%Added