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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
Empowered Funds, LLC11,506$948.9K0.01%+523+4.8%Added
Lazard Asset Management LLC11,546$951.0K0.00%−2,694−18.9%Reduced
Truvestments Capital LLC11,997$989.4K0.25%+2,588+27.5%Added
Pinnacle Associates Ltd12,165$1.00M0.01%−24,515−66.8%Reduced
UBS Group AG12,328$1.02M0.00%+4,929+66.6%Added
Templeton & Phillips Capital Management, LLC12,526$1.03M0.82%−170−1.3%Reduced
Apis Capital Advisors, LLC12,800$1.06M0.70%−10,400−44.8%Reduced
Ritholtz Wealth Management13,340$1.10M0.03%−553−4.0%Reduced
Royal Bank of Canada14,373$1.19M0.00%+348+2.5%Added
Jane Street Group, LLC16,331$1.35M0.00%+5,641+52.8%Added
Rhumbline Advisers16,427$1.35M0.00%+418+2.6%Added
Martingale Asset Management L P17,375$1.43M0.03%−2,576−12.9%Reduced
Barclays PLC17,750$1.46M0.00%+1,742+10.9%Added
Perritt Capital Management Inc17,883$1.47M0.77%−1,148−6.0%Reduced
Tectonic Advisors LLC18,572$1.53M0.10%+830+4.7%Added
Susquehanna International Group, LLP19,652$1.62M0.00%+548+2.9%Added
Fisher Asset Management, LLC20,014$1.65M0.00%−1,352−6.3%Reduced
Options Solutions, LLC20,153$1.66M0.75%+7,969+65.4%Added
UBS Asset Management Americas Inc20,254$1.67M0.00%+4,204+26.2%Added
Swiss National Bank20,500$1.69M0.00%00.0%Unchanged
JPMorgan Chase & Co21,062$1.74M0.00%−9,325−30.7%Reduced
Navellier & Associates Inc23,415$1.93M0.23%+9,478+68.0%Added
Herald Investment Management Ltd24,000$1.97M0.32%+24,000New
O'Shaughnessy Asset Management, LLC24,046$1.98M0.02%−3,494−12.7%Reduced
Legato Capital Management LLC26,982$2.23M0.29%+8,560+46.5%Added
Nuveen Asset Management, LLC28,302$2.33M0.00%00.0%Unchanged
Expect Equity LLC31,091$2.56M2.68%+31,091New
Brandywine Global Investment Management, LLC32,105$2.65M0.02%−1,703−5.0%Reduced
Russell Investments Group, Ltd.38,617$3.18M0.00%+215+0.6%Added
Victory Capital Management Inc39,181$3.23M0.00%−1,140−2.8%Reduced
Boston Partners39,408$3.25M0.00%−498−1.2%Reduced
Janney Montgomery Scott LLC40,252$3.32M0.01%−807−2.0%Reduced
Dean Capital Management42,909$3.54M1.51%+17,668+70.0%Added
Goldman Sachs Group Inc46,949$3.87M0.00%−5,123−9.8%Reduced
Isthmus Partners, LLC47,409$3.91M0.48%−217−0.5%Reduced
Morgan Stanley52,742$4.35M0.00%−28,052−34.7%Reduced
Investors Asset Management of Georgia Inc53,000$4.37M2.13%−768−1.4%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH55,199$4.55M0.01%+55,199New
Bank of New York Mellon Corp61,813$5.10M0.00%−7,673−11.0%Reduced
Dean Investment Associates, LLC63,664$5.25M0.75%+16,630+35.4%Added
Santa Monica Partners LP67,634$5.58M3.01%00.0%Unchanged
Paragon Associates & Paragon Associates II Joint Venture68,000$5.61M12.97%+5,000+7.9%Added
Ballast Asset Management, LP68,334$5.64M2.79%−2,400−3.4%Reduced
Qube Research & Technologies Ltd69,249$5.71M0.01%+1,492+2.2%Added
Roubaix Capital, LLC82,769$6.83M3.27%+18,370+28.5%Added
Charles Schwab Investment Management Inc103,104$8.50M0.00%−10,685−9.4%Reduced
Hodges Capital Management Inc.104,645$8.63M0.52%+28,860+38.1%Added
Acadian Asset Management LLC113,960$9.40M0.03%−10,534−8.5%Reduced
Northern Trust Corp115,503$9.53M0.00%+12,307+11.9%Added
LSV Asset Management136,479$11.3M0.03%−83,521−38.0%Reduced
Brown Advisory Inc143,163$11.8M0.01%+143,163New
Potrero Capital Research LLC145,986$12.0M5.09%+75,483+107.1%Added
Thrivent Financial for Lutherans154,072$12.7M0.02%−25,431−14.2%Reduced
Granahan Investment Management Inc159,504$13.2M0.55%−10,892−6.4%Reduced
Invesco Ltd.189,814$15.7M0.00%−193,012−50.4%Reduced
Loomis Sayles & Co L P200,362$16.5M0.02%00.0%Unchanged
Portolan Capital Management, LLC208,470$17.2M1.16%+87,612+72.5%Added
GW&K Investment Management, LLC213,593$17.6M0.15%+10,300+5.1%Added
State Street Corp232,355$19.2M0.00%+6,200+2.7%Added
Geode Capital Management, LLC292,020$24.1M0.00%+2,722+0.9%Added
Renaissance Technologies LLC303,532$25.0M0.04%−1,919−0.6%Reduced
Advisory Research Inc313,446$25.8M4.30%+67,460+27.4%Added
American Century Companies Inc351,755$29.0M0.02%+33,768+10.6%Added
Janus Henderson Group PLC398,123$32.8M0.02%+141,951+55.4%Added
Royce & Associates LP433,879$35.8M0.33%−2,777−0.6%Reduced
Dimensional Fund Advisors LP752,122$62.0M0.01%−17,600−2.3%Reduced
BlackRock, Inc.842,179$69.5M0.00%−4,443−0.5%Reduced
Vanguard Group Inc904,289$74.6M0.00%−2,706−0.3%Reduced
Farther Finance Advisors, LLC0$00.00%−234−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−24,789−100.0%Sold out
CWM Advisors, LLC0$00.00%−10,614−100.0%Sold out
Logan Stone Capital, LLC0$00.00%−9,702−100.0%Sold out
Koss-Olinger Consulting, LLC0$00.00%−7,646−100.0%Sold out
Two Sigma Investments, LP0$00.00%−6,333−100.0%Sold out
Massachusetts Financial Services Co0$00.00%−3,482−100.0%Sold out
One Wealth Advisors, LLC0$00.00%−2,894−100.0%Sold out
Toronto Dominion Bank0$00.00%−1,000−100.0%Sold out
nVerses Capital, LLC0$00.00%−500−100.0%Sold out
Beach Investment Counsel Inc0$00.00%−378−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−47−100.0%Sold out
Federated Hermes, Inc.0$00.00%−36−100.0%Sold out
Frazier Financial Advisors, LLC0$00.00%−5−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−1−100.0%Sold out
Jamison Private Wealth Management, Inc.0$00.00%−2,000−100.0%Sold out
ClariVest Asset Management LLC––––Not filed
Naples Money Management LLC––––Not filed