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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, Q4 2024

Institutional positions in Bel Fuse Inc as of Dec 31, 2024. 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
168
+7 vs. Q3 2024
Shares held
8.67M
+315.6K (+3.8%) vs. Q3 2024
Total value
$714.9M
+$59.3M (+9.0%) vs. Q3 2024
New holders
23
60 more added
Sold out
16
60 more reduced

2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 168 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 heldQ4 2024: $714.9M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q3 2024.

Institutions holding BELFB in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc904,289$74.6M0.00%−2,706−0.3%Reduced
BlackRock, Inc.842,179$69.5M0.00%−4,443−0.5%Reduced
Dimensional Fund Advisors LP752,122$62.0M0.01%−17,600−2.3%Reduced
Royce & Associates LP433,879$35.8M0.33%−2,777−0.6%Reduced
Janus Henderson Group PLC398,123$32.8M0.02%+141,951+55.4%Added
American Century Companies Inc351,755$29.0M0.02%+33,768+10.6%Added
Advisory Research Inc313,446$25.8M4.30%+67,460+27.4%Added
Renaissance Technologies LLC303,532$25.0M0.04%−1,919−0.6%Reduced
Geode Capital Management, LLC292,020$24.1M0.00%+2,722+0.9%Added
State Street Corp232,355$19.2M0.00%+6,200+2.7%Added
GW&K Investment Management, LLC213,593$17.6M0.15%+10,300+5.1%Added
Portolan Capital Management, LLC208,470$17.2M1.16%+87,612+72.5%Added
Loomis Sayles & Co L P200,362$16.5M0.02%00.0%Unchanged
Invesco Ltd.189,814$15.7M0.00%−193,012−50.4%Reduced
Granahan Investment Management Inc159,504$13.2M0.55%−10,892−6.4%Reduced
Thrivent Financial for Lutherans154,072$12.7M0.02%−25,431−14.2%Reduced
Potrero Capital Research LLC145,986$12.0M5.09%+75,483+107.1%Added
Brown Advisory Inc143,163$11.8M0.01%+143,163New
LSV Asset Management136,479$11.3M0.03%−83,521−38.0%Reduced
Northern Trust Corp115,503$9.53M0.00%+12,307+11.9%Added
Acadian Asset Management LLC113,960$9.40M0.03%−10,534−8.5%Reduced
Hodges Capital Management Inc.104,645$8.63M0.52%+28,860+38.1%Added
Charles Schwab Investment Management Inc103,104$8.50M0.00%−10,685−9.4%Reduced
Roubaix Capital, LLC82,769$6.83M3.27%+18,370+28.5%Added
Qube Research & Technologies Ltd69,249$5.71M0.01%+1,492+2.2%Added
Ballast Asset Management, LP68,334$5.64M2.79%−2,400−3.4%Reduced
Paragon Associates & Paragon Associates II Joint Venture68,000$5.61M12.97%+5,000+7.9%Added
Santa Monica Partners LP67,634$5.58M3.01%00.0%Unchanged
Dean Investment Associates, LLC63,664$5.25M0.75%+16,630+35.4%Added
Bank of New York Mellon Corp61,813$5.10M0.00%−7,673−11.0%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH55,199$4.55M0.01%+55,199New
Investors Asset Management of Georgia Inc53,000$4.37M2.13%−768−1.4%Reduced
Morgan Stanley52,742$4.35M0.00%−28,052−34.7%Reduced
Isthmus Partners, LLC47,409$3.91M0.48%−217−0.5%Reduced
Goldman Sachs Group Inc46,949$3.87M0.00%−5,123−9.8%Reduced
Dean Capital Management42,909$3.54M1.51%+17,668+70.0%Added
Janney Montgomery Scott LLC40,252$3.32M0.01%−807−2.0%Reduced
Boston Partners39,408$3.25M0.00%−498−1.2%Reduced
Victory Capital Management Inc39,181$3.23M0.00%−1,140−2.8%Reduced
Russell Investments Group, Ltd.38,617$3.18M0.00%+215+0.6%Added
Brandywine Global Investment Management, LLC32,105$2.65M0.02%−1,703−5.0%Reduced
Expect Equity LLC31,091$2.56M2.68%+31,091New
Nuveen Asset Management, LLC28,302$2.33M0.00%00.0%Unchanged
Legato Capital Management LLC26,982$2.23M0.29%+8,560+46.5%Added
O'Shaughnessy Asset Management, LLC24,046$1.98M0.02%−3,494−12.7%Reduced
Herald Investment Management Ltd24,000$1.97M0.32%+24,000New
Navellier & Associates Inc23,415$1.93M0.23%+9,478+68.0%Added
JPMorgan Chase & Co21,062$1.74M0.00%−9,325−30.7%Reduced
Swiss National Bank20,500$1.69M0.00%00.0%Unchanged
UBS Asset Management Americas Inc20,254$1.67M0.00%+4,204+26.2%Added
Options Solutions, LLC20,153$1.66M0.75%+7,969+65.4%Added
Fisher Asset Management, LLC20,014$1.65M0.00%−1,352−6.3%Reduced
Susquehanna International Group, LLP19,652$1.62M0.00%+548+2.9%Added
Tectonic Advisors LLC18,572$1.53M0.10%+830+4.7%Added
Perritt Capital Management Inc17,883$1.47M0.77%−1,148−6.0%Reduced
Barclays PLC17,750$1.46M0.00%+1,742+10.9%Added
Martingale Asset Management L P17,375$1.43M0.03%−2,576−12.9%Reduced
Rhumbline Advisers16,427$1.35M0.00%+418+2.6%Added
Jane Street Group, LLC16,331$1.35M0.00%+5,641+52.8%Added
Royal Bank of Canada14,373$1.19M0.00%+348+2.5%Added
Ritholtz Wealth Management13,340$1.10M0.03%−553−4.0%Reduced
Apis Capital Advisors, LLC12,800$1.06M0.70%−10,400−44.8%Reduced
Templeton & Phillips Capital Management, LLC12,526$1.03M0.82%−170−1.3%Reduced
UBS Group AG12,328$1.02M0.00%+4,929+66.6%Added
Pinnacle Associates Ltd12,165$1.00M0.01%−24,515−66.8%Reduced
Truvestments Capital LLC11,997$989.4K0.25%+2,588+27.5%Added
Lazard Asset Management LLC11,546$951.0K0.00%−2,694−18.9%Reduced
Bridgeway Capital Management, LLC11,506$948.9K0.02%+523+4.8%Added
Empowered Funds, LLC11,506$948.9K0.01%+523+4.8%Added
Legal & General Group Plc11,236$926.6K0.00%−815−6.8%Reduced
Corsair Capital Management, L.P.10,932$901.6K0.19%−3,765−25.6%Reduced
Franklin Resources Inc10,876$896.9K0.00%+5,600+106.1%Added
Bank of America Corp10,691$881.7K0.00%−1,194−10.0%Reduced
AQR Capital Management LLC10,161$838.0K0.00%−5,925−36.8%Reduced
DHK Financial Advisors, Inc.10,033$827.4K0.50%00.0%Unchanged
California State Teachers Retirement System9,752$804.2K0.00%−161−1.6%Reduced
Alliancebernstein L.P.9,650$795.8K0.00%00.0%Unchanged
Deutsche Bank AG9,590$790.9K0.00%+3,588+59.8%Added
PFG Advisors9,299$766.9K0.05%+1,116+13.6%Added
Blair William & Co9,150$754.6K0.00%00.0%Unchanged
NEOS Investment Management LLC9,120$752.1K0.02%+9,120New
Creative Planning8,935$736.9K0.00%+695+8.4%Added
Citigroup Inc8,561$706.0K0.00%+1,008+13.3%Added
Tema ETFs LLC8,512$702.0K0.29%+8,512New
Summit Global Investments8,209$677.0K0.04%+2,114+34.7%Added
DekaBank Deutsche Girozentrale8,287$671.0K0.00%00.0%Unchanged
Verition Fund Management LLC8,077$666.1K0.00%+8,077New
Citadel Advisors LLC7,699$634.9K0.00%+7,699New
Aviva PLC7,583$625.4K0.00%−1,775−19.0%Reduced
Grandeur Peak Global Advisors, LLC7,406$610.8K0.05%+1,555+26.6%Added
Squarepoint Ops LLC7,402$610.4K0.00%−18,269−71.2%Reduced
Two Sigma Advisers, LP7,277$600.1K0.00%−2,838−28.1%Reduced
STRS Ohio6,900$569.0K0.00%−1,400−16.9%Reduced
Sterling Capital Management LLC6,891$568.3K0.01%+295+4.5%Added
Wells Fargo & Company6,840$564.1K0.00%+1,339+24.3%Added
State of Wisconsin Investment Board6,771$558.4K0.00%+2,763+68.9%Added
Gotham Asset Management, LLC6,302$519.7K0.00%−4,067−39.2%Reduced
Mackenzie Financial Corp6,264$516.6K0.00%+6,264New
Advisor Group Holdings, Inc.6,221$512.9K0.00%+206+3.4%Added
MetLife Investment Management6,103$503.3K0.00%00.0%Unchanged