Bel Fuse Inc. Class BBELFB

13F holders, Q4 2025 (December 31)
207holders +10
33new positions
26sold out
4famous investors
$169.54avg. 13F price*

At the end of Q4 2025, 207 institutions reported holding Bel Fuse Inc. Class B (BELFB) in their 13F filings, up 10 from Q3 2025. 33 opened new positions and 26 sold out. The largest holders were Vanguard Group Inc. ($154.1M), BlackRock, Inc. ($146.9M) and T. Rowe Price Associates Inc. ($141.5M). 4 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Ken Fisher (0.0% of Fisher Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Bel Fuse Inc. Class B
CUSIP
077347300
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 147Q1 2024Q2 2024: 153Q2 2024Q3 2024: 163Q3 2024Q4 2024: 168Q4 2024Q1 2025: 164Q1 2025Q2 2025: 174Q2 2025Q3 2025: 197Q3 2025Q4 2025: 207Q4 2025Q1 2026: 235Q1 2026Q2 2026: 276Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions33$61.0M
Exits26$28.2M

All 13F filers, Q3 2025 → Q4 2025: 1,753,436 shares bought and 1,089,419 shares sold, net +664,017 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 207 holders

Vanguard Group Inc. 0.00% Add +0.1% 908,717 $154.1M
BlackRock, Inc. 0.00% Add +3.3% 866,066 $146.9M
T. Rowe Price Associates Inc. 0.02% Add +74.3% 834,261 $141.5M
FMR LLC 0.01% Add +9.4% 667,676 $113.3M
Janus Henderson Group PLC 0.05% Add +19.2% 619,337 $105.0M
T. Rowe Price Investment Management, Inc. 0.06% Add +45.3% 519,005 $88.0M
Wasatch Advisors LP 0.41% Add +74.3% 410,487 $69.6M
Geode Capital Management, LLC 0.00% Add +1.1% 267,950 $45.5M
Dimensional Fund Advisors LP 0.01% Reduce -24.1% 254,841 $43.2M
Fisher Asset Management 0.01% New 251,608 $42.7M
State Street Corp. 0.00% Add +2.4% 246,959 $41.9M
Thrivent Financial for Lutherans 0.07% Reduce -3.8% 236,005 $40.0M
Renaissance Technologies 0.06% Reduce -8.5% 231,351 $39.2M
Bessemer Group Inc. 0.05% Add +0.3% 206,912 $35.1M
Loomis Sayles & Co. L P 0.04% Add +0.2% 200,712 $34.0M
Invesco Ltd. 0.00% Reduce -3.0% 169,352 $28.7M
GW&K Investment Management, LLC 0.24% Reduce -16.9% 162,317 $27.5M
JPMorgan Chase & Co. 0.00% Add +1345.9% 143,361 $24.3M
Portolan Capital Management, LLC 1.27% Add +12.7% 139,513 $23.7M
Massachusetts Financial Services Co. 0.01% Reduce -43.1% 138,997 $23.6M
Advisory Research Inc. 2.87% Reduce -30.4% 134,790 $22.9M
Brown Advisory Inc. 0.03% Reduce -7.8% 118,223 $20.1M
Northern Trust Corp. 0.00% Reduce -6.6% 100,940 $17.1M
Charles Schwab Investment Management Inc. 0.00% Add +1.1% 100,166 $17.0M
Arrowstreet Capital, Limited Partnership 0.01% Reduce -5.8% 97,116 $16.5M
Royce & Associates LP 0.16% Reduce -54.0% 92,035 $15.6M
Tema ETFs LLC 1.18% Add +70.0% 89,918 $15.3M
NEOS Investment Management LLC 0.09% Add +70.0% 89,918 $15.3M
Goldman Sachs Group Inc. 0.00% Add +32.3% 80,992 $13.7M
American Century Companies Inc. 0.01% Reduce -58.4% 71,290 $12.1M
Santa Monica Partners LP 6.96% No change 67,634 $11.5M
Boston Partners 0.01% Add +12.4% 62,643 $10.6M
Lord, Abbett & Co. LLC 0.03% Reduce -0.0% 61,465 $10.4M
Congruence Capital, LLC 3.48% — 55,759 $9.5M
Makaira Partners LLC 7.29% Reduce -45.0% 55,000 $9.3M
First Trust Advisors LP 0.01% Add +2012.5% 54,398 $9.2M
Bank of New York Mellon Corp 0.00% Reduce -13.2% 53,687 $9.1M
UBS Group AG 0.00% Add +215.7% 46,575 $7.9M
Ballast Asset Management, LP 3.37% Reduce -17.8% 42,008 $7.1M
Morgan Stanley 0.00% Add +8.9% 41,559 $7.0M
Voloridge Investment Management, LLC 0.02% Add +28.8% 40,583 $6.9M
Grandeur Peak Global Advisors, LLC 0.87% Add +509.0% 38,144 $6.5M
Nomura Asset Management International Inc. 0.01% — 36,851 $6.3M
Dean Investment Associates, LLC 0.84% Reduce -11.5% 34,559 $5.9M
Russell Investments Group, Ltd. 0.01% Reduce -17.0% 34,409 $5.8M
Victory Capital Management Inc. 0.00% Add +146.8% 34,009 $5.8M
Castleark Management LLC 0.16% Add +36.9% 33,101 $5.6M
HERALD INVESTMENT MANAGEMENT Ltd 0.66% No change 30,000 $5.1M
Granahan Investment Management, LLC 0.22% Reduce -65.8% 29,884 $5.1M
Sei Investments Co. 0.00% Add +570.0% 27,148 $4.6M
Informed Momentum Co LLC 0.50% Reduce -1.9% 26,481 $4.5M
Nitor Capital Management LLC 3.83% — 25,400 $4.3M
Investors Asset Management of Georgia Inc. /Ga/ 1.75% No change 24,957 $4.2M
Dean Capital Management 1.70% Reduce -27.1% 23,504 $4.0M
Phocas Financial Corp. 0.51% New 23,091 $3.9M
State of Wisconsin Investment Board 0.01% Add +206.3% 22,886 $3.9M
Polen Capital Management LLC 0.02% Add +15.3% 22,522 $3.8M
Nuveen, LLC 0.00% Reduce -2.2% 21,990 $3.7M
Raymond James Financial Inc. 0.00% Add +674.0% 21,076 $3.6M
Swiss National Bank 0.00% Add +2.0% 20,800 $3.5M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +4.7% 19,157 $3.2M
Expect Equity LLC 2.59% Reduce -21.1% 18,537 $3.1M
Barclays PLC 0.00% Add +1.4% 16,198 $2.7M
Creative Planning 0.00% Add +14.1% 15,015 $2.5M
Manatuck Hill Partners, LLC 0.89% No change 15,000 $2.5M
O'shaughnessy Asset Management, LLC 0.01% Reduce -13.9% 14,768 $2.5M
Qube Research & Technologies Ltd 0.00% Add +164.8% 14,761 $2.5M
LPL Financial LLC 0.00% Add +68.7% 14,421 $2.4M
Perritt Capital Management Inc 3.98% Reduce -0.7% 14,051 $2.4M
Rothschild Wealth LLC 0.23% New 14,051 $2.4M
Rhumbline Advisers 0.00% Reduce -14.9% 13,323 $2.3M
TD Asset Management Inc 0.00% Add +110.4% 12,494 $2.1M
Legato Capital Management LLC 0.18% Reduce -38.5% 12,403 $2.1M
Franklin Resources Inc. 0.00% New 12,301 $2.1M
Wells Fargo & Company 0.00% Add +42.7% 12,292 $2.1M
Ritholtz Wealth Management 0.04% Reduce -2.5% 11,292 $1.9M
Susquehanna International Group, LLP 0.00% Reduce -68.2% 11,071 $1.9M
Alliancebernstein L.P. 0.00% Add +10.9% 10,698 $1.8M
Bank of America Corp. 0.00% Reduce -26.8% 10,259 $1.7M
Pinnacle Associates Ltd. 0.02% No change 10,041 $1.7M
California State Teachers Retirement System 0.00% Reduce -0.1% 9,632 $1.6M
Legal & General Group Plc 0.00% Reduce -8.1% 9,157 $1.6M
Acadian Asset Management LLC 0.00% Reduce -12.4% 8,835 $1.5M
Credit Agricole S A 0.00% No change 8,500 $1.4M
Oliver Luxxe Assets LLC 0.21% New 8,114 $1.4M
Deutsche Bank AG 0.00% Add +7.8% 8,089 $1.4M
Blair William & Co. 0.00% No change 8,025 $1.4M
Dark Forest Capital Management LP 0.06% Add +20.4% 7,384 $1.3M
Corsair Capital Management, L.P. 0.20% Reduce -19.0% 7,234 $1.2M
Koss-Olinger Consulting, LLC 0.09% Reduce -12.8% 6,916 $1.2M
PFG Advisors 0.05% Add +1.3% 6,656 $1.1M
Y-Intercept (Hong Kong) Ltd 0.02% New 6,569 $1.1M
New York State Common Retirement Fund 0.00% Add +93.1% 6,541 $1.1M
MetLife Investment Management, LLC 0.00% Reduce -5.5% 5,881 $998K
Brooklyn Investment Group 0.04% New 5,278 $920K
Caxton Associates LLP 0.02% Reduce -24.6% 5,150 $874K
B. Metzler seel. Sohn & Co. AG 0.01% New 4,970 $843K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +0.3% 4,861 $825K
AQR Capital Management 0.00% Add +14.1% 4,846 $822K
Envestnet Asset Management Inc. 0.00% Add +10.1% 4,798 $814K
Manufacturers Life Insurance Company, The 0.00% Reduce -10.2% 4,732 $803K
SG Americas Securities, LLC 0.00% Add +6.3% 4,676 $793K
Intech Investment Management LLC 0.01% No change 4,119 $699K
Janney Montgomery Scott LLC 0.00% Add +2.0% 4,087 $693K
SummitTX Capital, L.P. 0.02% New 4,033 $684K
Natixis 0.00% New 4,000 $679K
Two Sigma Advisers, LP 0.00% Reduce -30.3% 4,000 $679K
Citadel Advisors 0.00% Reduce -95.9% 3,947 $670K
Ashton Thomas Private Wealth, LLC 0.02% Add +11.1% 3,879 $658K
Verition Fund Management LLC 0.00% Reduce -4.9% 3,858 $654K
Evolve Private Wealth, LLC 0.04% — 3,703 $628K
Beck Mack & Oliver LLC 0.01% No change 3,500 $594K
Quantinno Capital Management LP 0.00% Add +5.6% 3,445 $584K
PDT Partners, LLC 0.03% No change 3,176 $539K
DekaBank Deutsche Girozentrale 0.00% No change 8,287 $535K
Keybank National Association 0.00% Add +0.3% 3,010 $511K
Pinnacle Wealth Management Advisory Group, LLC 0.04% New 3,000 $509K
Arizona State Retirement System 0.00% Reduce -5.5% 2,942 $499K
State Board of Administration of Florida Retirement System 0.00% No change 2,918 $495K
GLOBALT Investments LLC / GA 0.02% Reduce -9.7% 2,914 $494K
Teacher Retirement System of Texas 0.00% Reduce -29.3% 2,891 $490K
Police & Firemen's Retirement System of New Jersey 0.00% No change 2,881 $489K
Vise Technologies, Inc. 0.01% New 2,853 $484K
Integrated Quantitative Investments LLC 0.10% New 2,619 $444K
Focus Partners Wealth 0.00% New 2,447 $415K
BNP Paribas Financial Markets 0.00% Add +11.9% 2,336 $396K
Osaic Holdings, Inc. 0.00% Reduce -59.9% 2,233 $379K
KLP Kapitalforvaltning As 0.00% Reduce -8.3% 2,200 $373K
Numerai GP LLC 0.04% Reduce -44.4% 2,177 $369K
Voya Investment Management LLC 0.00% No change 2,164 $367K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 2,105 $357K
Truvestments Capital LLC 0.06% Reduce -5.6% 1,995 $338K
FourThought Financial Partners, LLC 0.03% Add +27.4% 1,941 $329K
Money Concepts Capital Corp. 0.02% New 1,925 $327K
ProShare Advisors LLC 0.00% Add +6.9% 1,901 $322K
Jefferies Financial Group Inc. 0.00% New 1,883 $319K
Brevan Howard Capital Management LP 0.01% Add +29.6% 1,863 $316K
Round Rock Advisors LLC 0.05% New 1,819 $309K
STRS Ohio 0.00% No change 1,800 $305K
Pictet Asset Management Holding SA 0.00% Reduce -15.1% 1,784 $303K
Cetera Investment Advisers 0.00% New 1,716 $291K
Two Sigma Securities, LLC 0.04% Reduce -51.5% 1,572 $267K
Swiss Life Asset Management Ltd 0.00% New 1,570 $266K
Hohimer Wealth Management, LLC 0.03% No change 1,506 $255K
Paragon Associates & Paragon Associates II Joint Venture 0.53% Reduce -85.0% 1,500 $254K
Steward Partners Investment Advisory, LLC 0.00% Reduce -1.0% 1,485 $252K
CANADA LIFE ASSURANCE Co 0.00% No change 1,477 $250K
Templeton & Phillips Capital Management, LLC 0.16% No change 1,443 $245K
Lido Advisors, LLC 0.00% No change 1,642 $232K
Strategic Family Wealth Counselors, L.L.C. 0.05% New 1,105 $222K
D'Orazio & Associates, Inc. 0.03% New 1,296 $220K
Arkadios Wealth Advisors 0.00% New 1,227 $208K
Axq Capital, LP 0.05% Reduce -45.9% 1,195 $203K
NewEdge Advisors, LLC 0.00% Reduce -0.6% 973 $165K
Ameritas Investment Partners, Inc. 0.00% No change 869 $147K
Versant Capital Management, Inc 0.02% No change 732 $124K
Lanark Financial, Inc. 0.01% New 630 $107K
Sterling Capital Management LLC 0.00% Reduce -16.0% 605 $103K
Clearstead Advisors, LLC 0.00% Add +195.0% 590 $100K
Covestor Ltd 0.05% Reduce -12.8% 581 $98K
State of Alaska, Department of Revenue 0.00% No change 557 $94K
North Star Investment Management Corp. 0.01% No change 550 $93K
Group One Trading LLC 0.00% Add +60.2% 532 $90K
Erste Asset Management GmbH 0.00% New 490 $83K
Royal Bank of Canada 0.00% Reduce -94.8% 452 $77K
Citigroup Inc. 0.00% Reduce -56.7% 398 $68K
Amalgamated Bank 0.00% Reduce -7.4% 327 $55K
Cwm, LLC 0.00% Reduce -4.1% 307 $52K
Federated Hermes, Inc. 0.00% Reduce -15.9% 281 $48K
Quadrant Capital Group LLC 0.00% Add +5.5% 249 $42K
PNC Financial Services Group, Inc. 0.00% Add +10.2% 238 $40K
Smithfield Trust Co 0.00% No change 232 $39K
Kemnay Advisory Services Inc. 0.01% New 195 $33K
Jones Financial Companies LLLP 0.00% Reduce -26.3% 191 $32K
GAMMA Investing LLC 0.00% Add +7.0% 168 $28K
Tower Research Capital LLC (TRC) 0.00% Reduce -77.3% 166 $28K
Farther Finance Advisors, LLC 0.00% Add +365.6% 149 $25K
Simplex Trading, LLC 0.00% Add +2780.0% 144 $24K
Public Employees Retirement System of Ohio 0.00% Add +16.8% 139 $24K
US Bancorp \de 0.00% Add +7.9% 136 $23K
Nisa Investment Advisors, LLC 0.00% Reduce -20.1% 135 $23K
Caitong International Asset Management Co., Ltd 0.01% New 126 $21K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +44.0% 121 $21K
Global Retirement Partners, LLC 0.00% No change 100 $17K
Comerica Bank 0.00% No change 98 $17K
Signaturefd, LLC 0.00% Reduce -35.3% 97 $16K
Smartleaf Asset Management LLC 0.00% No change 64 $11K
Los Angeles Capital Management LLC 0.00% New 63 $9K
Hillsdale Investment Management Inc. 0.00% New 50 $8K
WealthCollab, LLC 0.00% No change 46 $8K
Optiver Holding B.V. 0.00% Reduce -50.0% 46 $8K
Rockefeller Capital Management L.P. 0.00% New 39 $7K
Pinnacle Wealth Planning Services, Inc. 0.00% New 36 $6K
EverSource Wealth Advisors, LLC 0.00% Reduce -38.8% 30 $5K
Parallel Advisors, LLC 0.00% Add +7.4% 29 $5K
Allspring Global Investments Holdings, LLC 0.00% New 26 $5K
ORG Partners LLC 0.00% Add +188.9% 26 $4K
Rothschild Investment LLC 0.00% Add +10.0% 22 $4K
True Wealth Design, LLC 0.00% No change 19 $3K
CIBC Private Wealth Group LLC 0.00% No change 17 $3K
Allworth Financial LP 0.00% Add +42.9% 10 $2K
Rialto Wealth Management, LLC 0.00% No change 7 $1K
Raffa Wealth Management, LLC 0.00% New 7 $1K
Keating Financial Advisory Services, Inc. 0.00% — 7 $1K
MAI Capital Management 0.00% No change 4 $679
Sunbelt Securities, Inc. 0.00% No change 2 $339
Arax Advisory Partners 0.00% New 1 $170

"% of holder's portfolio" is BELFB's weight in each manager's 13F, not the share of Bel Fuse Inc. Class B the manager owns.