Bel Fuse Inc. Class BBELFB

13F holders, Q1 2026 (March 31)
235holders +28
53new positions
24sold out
5famous investors
$198.03avg. 13F price*

At the end of Q1 2026, 235 institutions reported holding Bel Fuse Inc. Class B (BELFB) in their 13F filings, up 28 from Q4 2025. 53 opened new positions and 24 sold out. The largest holders were BlackRock, Inc. ($167.7M), T. Rowe Price Associates Inc. ($153.1M) and Janus Henderson Group PLC ($150.6M). 5 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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions53$66.6M
Exits24$39.4M

All 13F filers, Q4 2025 → Q1 2026: 1,433,419 shares bought and 1,153,536 shares sold, net +279,883 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 235 holders

BlackRock, Inc. 0.00% Reduce -2.2% 846,920 $167.7M
T. Rowe Price Associates Inc. 0.02% Reduce -7.3% 773,475 $153.1M
Janus Henderson Group PLC 0.07% Add +22.7% 760,141 $150.6M
FMR LLC 0.01% Reduce -5.5% 631,307 $125.0M
T. Rowe Price Investment Management, Inc. 0.08% Add +10.4% 572,919 $113.4M
Vanguard Capital Management LLC 0.00% — 489,081 $96.8M
Wasatch Advisors LP 0.63% Add +16.6% 478,709 $94.8M
Vanguard Portfolio Management LLC 0.00% — 329,461 $65.2M
Geode Capital Management, LLC 0.00% Add +15.0% 308,048 $61.0M
Dimensional Fund Advisors LP 0.01% Add +0.8% 256,833 $50.9M
JPMorgan Chase & Co. 0.00% Add +74.0% 249,387 $49.3M
State Street Corp. 0.00% Reduce -1.8% 242,454 $48.0M
Fisher Asset Management 0.01% Reduce -14.3% 215,648 $42.7M
Renaissance Technologies 0.07% Reduce -7.6% 213,872 $42.3M
Thrivent Financial for Lutherans 0.07% Reduce -20.3% 188,056 $37.2M
Lord, Abbett & Co. LLC 0.11% Add +172.4% 167,404 $33.1M
Loomis Sayles & Co. L P 0.04% Reduce -27.4% 145,648 $28.8M
Tidal Investments LLC 0.09% New 141,791 $28.1M
Bessemer Group Inc. 0.04% Reduce -33.6% 137,318 $27.2M
Tema ETFs LLC 1.77% Add +48.3% 133,318 $26.4M
GW&K Investment Management, LLC 0.23% Reduce -19.6% 130,419 $25.8M
Massachusetts Financial Services Co. 0.01% Reduce -11.2% 123,498 $24.5M
Advisory Research Inc. 2.90% Reduce -11.4% 119,364 $23.6M
Franklin Resources Inc. 0.01% Add +829.6% 114,353 $22.6M
Northern Trust Corp. 0.00% Add +3.9% 104,880 $20.8M
Charles Schwab Investment Management Inc. 0.00% Reduce -2.5% 97,672 $19.3M
Allspring Global Investments Holdings, LLC 0.03% Add +364600.0% 94,822 $19.3M
Royce & Associates LP 0.19% Add +5.6% 97,173 $19.2M
Goldman Sachs Group Inc. 0.00% Add +3.9% 84,150 $16.7M
Brown Advisory Inc. 0.03% Reduce -30.5% 82,149 $16.3M
Invesco Ltd. 0.00% Reduce -56.3% 74,026 $14.7M
Vanguard Fiduciary Trust Co. 0.00% — 70,822 $14.0M
Santa Monica Partners LP 7.47% No change 67,634 $13.4M
Boston Partners 0.01% Add +4.5% 65,443 $13.0M
Morgan Stanley 0.00% Add +47.4% 61,252 $12.1M
Susquehanna International Group, LLP 0.02% Add +442.1% 60,018 $11.9M
First Trust Advisors LP 0.01% Add +6.7% 58,028 $11.5M
UBS Group AG 0.00% Add +22.9% 57,231 $11.3M
Portolan Capital Management, LLC 0.56% Reduce -61.9% 53,170 $10.5M
Bank of New York Mellon Corp 0.00% Reduce -4.6% 51,236 $10.1M
Nomura Asset Management International Inc. 0.02% Add +38.3% 50,956 $10.1M
Polen Capital Management LLC 0.06% Add +92.4% 43,339 $8.6M
Jane Street Group, LLC 0.01% New 38,350 $7.6M
Grandeur Peak Global Advisors, LLC 1.71% Reduce -3.3% 36,892 $7.3M
Sei Investments Co. 0.01% Add +31.4% 35,669 $7.1M
Voloridge Investment Management, LLC 0.03% Reduce -13.6% 35,081 $6.9M
Raymond James Financial Inc. 0.00% Add +66.0% 34,992 $6.9M
Russell Investments Group, Ltd. 0.01% Reduce -0.1% 34,367 $6.8M
LPL Financial LLC 0.00% Add +133.1% 33,618 $6.7M
Arrowstreet Capital, Limited Partnership 0.00% Reduce -66.0% 32,977 $6.5M
Citadel Advisors 0.00% Add +724.1% 32,527 $6.4M
HERALD INVESTMENT MANAGEMENT Ltd 0.83% No change 30,000 $5.9M
Victory Capital Management Inc. 0.00% Reduce -13.1% 29,560 $5.9M
Nitor Capital Management LLC 3.87% No change 25,400 $5.0M
Investors Asset Management of Georgia Inc. /Ga/ 2.01% Reduce -0.6% 24,807 $4.9M
Envestnet Asset Management Inc. 0.00% Add +410.0% 24,470 $4.8M
Informed Momentum Co LLC 0.55% Reduce -9.3% 24,022 $4.8M
Ballast Asset Management, LP 2.09% Reduce -43.5% 23,727 $4.7M
Credit Agricole S A 0.02% Add +178.8% 23,700 $4.7M
Nuveen, LLC 0.00% Add +3.1% 22,676 $4.5M
Dean Investment Associates, LLC 0.59% Reduce -38.8% 21,145 $4.2M
Swiss National Bank 0.00% No change 20,800 $4.1M
State of Wisconsin Investment Board 0.01% Reduce -9.2% 20,787 $4.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +0.6% 19,270 $3.8M
Emerald Investment Advisers, LLC 0.34% — 19,097 $3.8M
Creative Planning 0.00% Add +25.4% 18,826 $3.7M
SG Americas Securities, LLC 0.00% Add +277.3% 17,642 $3.5M
Rockefeller Capital Management L.P. 0.01% Add +44187.2% 17,272 $3.4M
Castleark Management LLC 0.11% Reduce -50.7% 16,311 $3.2M
Phocas Financial Corp. 0.47% Reduce -33.8% 15,277 $3.0M
Dean Capital Management 1.22% Reduce -36.8% 14,847 $2.9M
Principal Financial Group Inc. 0.00% New 14,722 $2.9M
O'shaughnessy Asset Management, LLC 0.01% Reduce -1.1% 14,609 $2.9M
Two Sigma Investments, LP 0.00% New 14,584 $2.9M
TD Asset Management Inc 0.00% Add +8.0% 13,498 $2.7M
Rhumbline Advisers 0.00% Add +0.3% 13,367 $2.6M
California State Teachers Retirement System 0.00% Add +37.2% 13,217 $2.6M
North Star Investment Management Corp. 0.15% Add +2181.8% 12,550 $2.5M
Bridges Investment Management Inc. 0.03% New 12,425 $2.5M
BNP Paribas Financial Markets 0.00% Add +424.3% 12,248 $2.4M
Qube Research & Technologies Ltd 0.00% Reduce -20.4% 11,752 $2.3M
Legato Capital Management LLC 0.21% Reduce -7.2% 11,514 $2.3M
Integrated Quantitative Investments LLC 0.41% Add +337.8% 11,467 $2.3M
Expect Equity LLC 1.70% Reduce -40.3% 11,061 $2.2M
Ritholtz Wealth Management 0.04% Reduce -2.4% 11,016 $2.2M
Bank of America Corp. 0.00% Add +0.9% 10,348 $2.0M
Alliancebernstein L.P. 0.00% Add +5.1% 11,244 $1.9M
Precision Wealth Strategies, LLC 0.62% New 9,416 $1.9M
Pinnacle Associates Ltd. 0.02% Reduce -11.3% 8,906 $1.8M
Deutsche Bank AG 0.00% Add +9.3% 8,838 $1.7M
CenterBook Partners LP 0.09% New 8,742 $1.7M
Oliver Luxxe Assets LLC 0.24% Add +0.2% 8,132 $1.6M
Legal & General Group Plc 0.00% Reduce -13.2% 7,945 $1.6M
B. Metzler seel. Sohn & Co. AG 0.01% Add +53.6% 7,634 $1.5M
XTX Topco Ltd 0.03% New 7,415 $1.5M
Corsair Capital Management, L.P. 0.21% No change 7,234 $1.4M
Sowell Financial Services LLC 0.05% New 7,214 $1.4M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 7,060 $1.4M
PFG Advisors 0.07% Add +4.3% 6,945 $1.4M
Occudo Quantitative Strategies LP 0.07% New 4,940 $1.4M
AQR Capital Management 0.00% Add +35.5% 6,564 $1.3M
Brooklyn Investment Group 0.04% Add +18.9% 6,278 $1.2M
New York State Common Retirement Fund 0.00% Reduce -7.3% 6,063 $1.2M
Vanguard Global Advisers, LLC 0.00% — 5,882 $1.2M
MetLife Investment Management, LLC 0.01% Reduce -0.6% 5,846 $1.2M
Man Group plc 0.00% New 5,709 $1.1M
Caxton Associates LLP 0.02% No change 5,150 $1.0M
Toronto Dominion Bank 0.00% New 5,143 $1.0M
Wells Fargo & Company 0.00% Reduce -58.4% 5,111 $1.0M
Two Sigma Securities, LLC 0.12% Add +218.7% 5,010 $992K
Koss-Olinger Consulting, LLC 0.08% Reduce -27.6% 5,010 $992K
American Century Companies Inc. 0.00% Reduce -93.0% 4,958 $982K
Blackstone Inc. 0.00% New 4,916 $973K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -0.0% 4,860 $962K
Verdence Capital Advisors LLC 0.06% New 4,855 $961K
Manufacturers Life Insurance Company, The 0.00% Add +1.1% 4,782 $947K
Point72 Asset Management 0.00% New 4,704 $931K
Teacher Retirement System of Texas 0.00% Add +60.7% 4,646 $920K
Citigroup Inc. 0.00% Add +987.7% 4,329 $857K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +3426.4% 4,267 $845K
Janney Montgomery Scott LLC 0.00% Add +4.2% 4,260 $843K
Evolve Private Wealth, LLC 0.04% Add +10.6% 4,095 $811K
Engineers Gate Manager LP 0.01% New 4,036 $799K
Barclays PLC 0.00% Reduce -76.0% 3,895 $771K
MML Investors Services, LLC 0.00% New 3,750 $742K
Quantinno Capital Management LP 0.00% Add +6.5% 3,670 $727K
Diametric Capital, LP 0.19% New 3,667 $726K
Blair William & Co. 0.00% Reduce -56.1% 3,525 $698K
Stifel Financial Corp. 0.00% New 3,521 $697K
Beck Mack & Oliver LLC 0.01% No change 3,500 $693K
Los Angeles Capital Management LLC 0.00% Add +5328.6% 3,420 $677K
Ashton Thomas Private Wealth, LLC 0.02% Reduce -15.1% 3,295 $652K
Aquatic Capital Management LLC 0.02% New 3,213 $636K
Jones Financial Companies LLLP 0.00% Add +1526.7% 3,107 $632K
GLOBALT Investments LLC / GA 0.02% Add +3.6% 3,018 $598K
Keybank National Association 0.00% No change 3,010 $596K
Intech Investment Management LLC 0.01% Reduce -27.0% 3,008 $596K
Concurrent Investment Advisors, LLC 0.01% New 2,964 $587K
State Board of Administration of Florida Retirement System 0.00% No change 2,918 $578K
Arizona State Retirement System 0.00% Reduce -1.6% 2,896 $573K
Police & Firemen's Retirement System of New Jersey 0.00% No change 2,881 $570K
Dynamic Technology Lab Private Ltd 0.09% New 2,860 $566K
Argent Capital Management LLC 0.02% New 2,816 $558K
Pinnacle Wealth Management Advisory Group, LLC 0.04% Reduce -10.8% 2,676 $530K
Vanguard Investments Australia, Ltd. 0.00% — 2,507 $496K
HSBC Holdings PLC 0.00% New 2,528 $493K
Vise Technologies, Inc. 0.01% No change 2,853 $484K
KLP Kapitalforvaltning As 0.00% Add +4.5% 2,300 $455K
Lanark Financial, Inc. 0.03% Add +240.5% 2,145 $425K
Navellier & Associates Inc. 0.04% New 2,126 $421K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 2,105 $417K
Pictet Asset Management Holding SA 0.00% Add +16.3% 2,074 $411K
Voya Investment Management LLC 0.00% Reduce -5.3% 2,049 $406K
Osaic Holdings, Inc. 0.00% Reduce -9.8% 2,014 $399K
FourThought Financial Partners, LLC 0.03% Add +1.2% 1,965 $389K
Focus Partners Wealth 0.00% Reduce -21.7% 1,916 $379K
Rothschild Wealth LLC 0.03% Reduce -86.5% 1,901 $376K
STRS Ohio 0.00% Add +5.6% 1,900 $376K
Round Rock Advisors LLC 0.06% Add +2.0% 1,855 $367K
Hillsdale Investment Management Inc. 0.01% Add +3600.0% 1,850 $366K
Truist Financial Corp. 0.00% New 1,797 $356K
Empowered Funds, LLC 0.00% New 1,774 $351K
Cetera Investment Advisers 0.00% Add +0.6% 1,727 $342K
Truvestments Capital LLC 0.06% Reduce -16.4% 1,668 $330K
Prelude Capital Management, LLC 0.03% New 1,661 $329K
Lido Advisors, LLC 0.00% Add +0.1% 1,643 $325K
Prudential Financial Inc. 0.00% New 1,631 $323K
Tower Research Capital LLC (TRC) 0.01% Add +811.5% 1,513 $300K
ProShare Advisors LLC 0.00% Reduce -20.7% 1,507 $298K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.00% New 1,450 $287K
ARS Investment Partners, LLC 0.01% New 1,445 $286K
Templeton & Phillips Capital Management, LLC 0.23% No change 1,443 $286K
Swiss Life Asset Management Ltd 0.00% Reduce -16.4% 1,313 $260K
Bailard, Inc. 0.01% New 1,300 $257K
D'Orazio & Associates, Inc. 0.03% No change 1,296 $257K
Walleye Capital LLC 0.00% New 1,211 $240K
Blueshift Asset Management, LLC 0.07% New 1,136 $225K
Dark Forest Capital Management LP 0.02% Reduce -84.7% 1,127 $223K
Hohimer Wealth Management, LLC 0.03% Reduce -27.6% 1,091 $216K
Magnetar Financial LLC 0.00% New 1,069 $212K
Fox Run Management, L.L.C. 0.04% New 1,025 $203K
CANADA LIFE ASSURANCE Co 0.00% Reduce -34.1% 974 $194K
NewEdge Advisors, LLC 0.00% Reduce -0.3% 970 $192K
Ameritas Investment Partners, Inc. 0.01% No change 869 $172K
Acadian Asset Management LLC 0.00% Reduce -90.7% 821 $162K
IFP Advisors, Inc 0.00% New 750 $148K
Versant Capital Management, Inc 0.01% No change 732 $145K
State of Alaska, Department of Revenue 0.00% No change 557 $110K
Federated Hermes, Inc. 0.00% Add +86.8% 525 $104K
Fifth Third Bancorp 0.00% New 504 $100K
Caitong International Asset Management Co., Ltd 0.01% Add +223.0% 407 $81K
Transamerica Financial Advisors, LLC 0.01% New 356 $70K
Sterling Capital Management LLC 0.00% Reduce -43.0% 345 $68K
Cwm, LLC 0.00% Add +3.3% 317 $63K
Royal Bank of Canada 0.00% Reduce -35.2% 293 $58K
PNC Financial Services Group, Inc. 0.00% Add +20.2% 286 $57K
Quadrant Capital Group LLC 0.00% Reduce -2.8% 242 $48K
Smithfield Trust Co 0.00% No change 232 $46K
Signature Equity Partners, LLC 0.02% New 198 $39K
KBC Group NV 0.00% New 192 $38K
GAMMA Investing LLC 0.00% Add +11.3% 187 $37K
State of Wyoming 0.00% New 153 $30K
Aster Capital Management (DIFC) Ltd 0.01% New 396 $30K
US Bancorp \de 0.00% Add +4.4% 142 $28K
Nisa Investment Advisors, LLC 0.00% No change 135 $27K
Farther Finance Advisors, LLC 0.00% Reduce -18.8% 121 $25K
Public Employees Retirement System of Ohio 0.00% Reduce -15.1% 118 $23K
Covestor Ltd 0.01% Reduce -82.3% 103 $20K
Signaturefd, LLC 0.00% No change 97 $19K
Kemnay Advisory Services Inc. 0.00% Reduce -52.3% 93 $18K
Parallel Advisors, LLC 0.00% Add +127.6% 66 $13K
Smartleaf Asset Management LLC 0.00% No change 64 $13K
Optiver Holding B.V. 0.00% Add +17.4% 54 $11K
WealthCollab, LLC 0.00% No change 46 $9K
EverSource Wealth Advisors, LLC 0.00% Add +26.7% 38 $8K
Pinnacle Wealth Planning Services, Inc. 0.00% Reduce -2.8% 35 $7K
Ascentis Independent Advisors 0.00% New 29 $6K
Rothschild Investment LLC 0.00% No change 22 $4K
LRI Investments, LLC 0.00% New 21 $4K
True Wealth Design, LLC 0.00% No change 19 $4K
Colonial Trust Co / SC 0.00% New 14 $3K
Allworth Financial LP 0.00% Add +30.0% 13 $3K
Zions Bancorporation, National Association 0.00% New 10 $2K
Rialto Wealth Management, LLC 0.00% No change 7 $1K
Raffa Wealth Management, LLC 0.00% No change 7 $1K
Keating Financial Advisory Services, Inc. 0.00% No change 7 $1K
Root Financial Partners, LLC 0.00% New 7 $1K
Cullen/Frost Bankers, Inc. 0.00% New 7 $1K
MAI Capital Management 0.00% Add +75.0% 7 $1K
Twin Peaks Wealth Advisors, LLC 0.00% New 6 $1K
Northwestern Mutual Wealth Management Co. 0.00% New 2 $396
Sunbelt Securities, Inc. 0.00% No change 2 $396
Investors Portfolio Services LLC 0.00% New 1 $276
Arax Advisory Partners 0.00% No change 1 $198
Hughes Financial Services, LLC 0.00% New 1 $198

"% 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.