Bel Fuse Inc. Class BBELFB

13F holders, Q1 2025 (March 31)
164holders −4
22new positions
25sold out
2famous investors
$74.83avg. 13F price*

At the end of Q1 2025, 164 institutions reported holding Bel Fuse Inc. Class B (BELFB) in their 13F filings, down 4 from Q4 2024. 22 opened new positions and 25 sold out. The largest holders were Vanguard Group Inc. ($68.7M), BlackRock, Inc. ($62.9M) and Dimensional Fund Advisors LP ($53.5M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management'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 2024 → Q1 2025

InstitutionsTotal Value
New Positions22$64.8M
Exits25$13.5M

All 13F filers, Q4 2024 → Q1 2025: 1,211,583 shares bought and 668,638 shares sold, net +542,945 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 164 holders

Vanguard Group Inc. 0.00% Add +1.4% 917,097 $68.7M
BlackRock, Inc. 0.00% Reduce -0.2% 840,679 $62.9M
Dimensional Fund Advisors LP 0.01% Reduce -5.0% 714,658 $53.5M
Royce & Associates LP 0.34% Reduce -3.8% 417,601 $31.3M
Janus Henderson Group PLC 0.02% Add +1.6% 404,324 $30.0M
Advisory Research Inc. 4.95% Add +19.7% 375,089 $28.1M
American Century Companies Inc. 0.02% Add +1.5% 357,131 $26.7M
Renaissance Technologies 0.04% Add +6.7% 323,751 $24.2M
Geode Capital Management, LLC 0.00% Add +7.4% 313,679 $23.5M
Bessemer Group Inc. 0.03% New 253,905 $19.0M
Makaira Partners LLC 6.17% New 245,999 $18.4M
State Street Corp. 0.00% Add +0.4% 233,193 $17.5M
GW&K Investment Management, LLC 0.15% Add +2.1% 217,998 $16.3M
Wasatch Advisors LP 0.09% New 212,624 $15.9M
Loomis Sayles & Co. L P 0.02% Reduce -2.7% 194,942 $14.6M
Portolan Capital Management, LLC 1.05% Reduce -11.6% 184,224 $13.8M
Potrero Capital Research LLC 6.43% Add +19.8% 174,828 $13.1M
Invesco Ltd. 0.00% Reduce -8.3% 173,981 $13.0M
Thrivent Financial for Lutherans 0.03% Add +9.9% 169,325 $12.7M
Granahan Investment Management, LLC 0.56% Reduce -5.0% 151,481 $11.3M
Brown Advisory Inc. 0.02% Reduce -1.6% 140,930 $10.6M
LSV Asset Management 0.02% Reduce -17.5% 112,600 $8.4M
Northern Trust Corp. 0.00% Reduce -4.0% 110,892 $8.3M
Charles Schwab Investment Management Inc. 0.00% Reduce -5.5% 97,391 $7.3M
Acadian Asset Management LLC 0.02% Reduce -33.7% 75,570 $5.7M
Roubaix Capital, LLC 2.74% Reduce -15.1% 70,280 $5.3M
Ballast Asset Management, LP 2.74% Add +1.5% 69,366 $5.2M
Santa Monica Partners LP 2.77% No change 67,634 $5.1M
Paragon Associates & Paragon Associates II Joint Venture 10.88% Reduce -8.8% 62,000 $4.6M
Bank of New York Mellon Corp 0.00% Reduce -5.7% 58,303 $4.4M
Massachusetts Financial Services Co. 0.00% New 57,174 $4.3M
Investors Asset Management of Georgia Inc. /Ga/ 1.96% Reduce -2.5% 51,701 $3.9M
Russell Investments Group, Ltd. 0.01% Add +31.8% 50,886 $3.8M
Dean Investment Associates, LLC 0.54% Reduce -23.9% 48,483 $3.6M
Isthmus Partners, LLC 0.44% Reduce -0.1% 47,362 $3.5M
Morgan Stanley 0.00% Reduce -14.3% 45,206 $3.4M
NEOS Investment Management LLC 0.06% Add +334.4% 39,614 $3.0M
Tema ETFs LLC 0.86% Add +351.3% 38,417 $2.9M
Hodges Capital Management Inc. 0.29% Reduce -63.5% 38,240 $2.9M
Boston Partners 0.00% Reduce -3.4% 38,073 $2.9M
Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% Reduce -33.9% 36,499 $2.7M
Bridgeway Capital Management, LLC 0.07% Add +201.6% 34,700 $2.6M
Dean Capital Management 1.12% Reduce -19.7% 34,462 $2.6M
Goldman Sachs Group Inc. 0.00% Reduce -27.8% 33,910 $2.5M
Victory Capital Management Inc. 0.00% Reduce -13.8% 33,793 $2.5M
Expect Equity LLC 2.80% Add +6.8% 33,211 $2.5M
UBS Group AG 0.00% Add +166.5% 32,857 $2.5M
HERALD INVESTMENT MANAGEMENT Ltd 0.42% Add +25.0% 30,000 $2.2M
CenterBook Partners LP 0.14% New 29,770 $2.2M
Lazard Asset Management LLC 0.00% Add +147.3% 28,559 $2.1M
Nuveen, LLC 0.00% — 27,634 $2.1M
Qube Research & Technologies Ltd 0.00% Reduce -65.8% 23,649 $1.8M
O'shaughnessy Asset Management, LLC 0.01% Reduce -9.3% 21,798 $1.6M
Legato Capital Management LLC 0.22% Reduce -19.5% 21,710 $1.6M
Bantamac Capital, LLC 0.77% Add +6.4% 21,442 $1.6M
Apis Capital Advisors, LLC 0.77% Add +67.2% 21,400 $1.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% No change 20,254 $1.5M
Swiss National Bank 0.00% Reduce -1.5% 20,200 $1.5M
Danske Bank A/S 0.00% New 18,050 $1.4M
Perritt Capital Management Inc 0.73% Reduce -0.8% 17,732 $1.3M
Martingale Asset Management L P 0.03% Reduce -4.9% 16,530 $1.2M
Susquehanna International Group, LLP 0.00% Reduce -19.7% 15,773 $1.2M
Rhumbline Advisers 0.00% Reduce -5.1% 15,589 $1.2M
Tectonic Advisors LLC 0.07% Reduce -16.7% 15,477 $1.2M
Franklin Resources Inc. 0.00% Add +39.3% 15,146 $1.1M
Royal Bank of Canada 0.00% Reduce -7.5% 13,294 $995K
ExodusPoint Capital Management, LP 0.01% New 13,235 $991K
Ritholtz Wealth Management 0.03% Reduce -3.3% 12,901 $966K
Barclays PLC 0.00% Reduce -29.2% 12,569 $941K
Templeton & Phillips Capital Management, LLC 0.67% No change 12,526 $938K
Pinnacle Associates Ltd. 0.01% No change 12,165 $911K
Legal & General Group Plc 0.00% Reduce -0.3% 11,198 $838K
Creative Planning 0.00% Add +20.4% 10,754 $805K
Jane Street Group, LLC 0.00% Reduce -38.8% 9,989 $748K
JPMorgan Chase & Co. 0.00% Reduce -53.4% 9,823 $735K
California State Teachers Retirement System 0.00% No change 9,752 $730K
Alliancebernstein L.P. 0.00% No change 9,650 $722K
Blair William & Co. 0.00% No change 9,150 $685K
Citigroup Inc. 0.00% Add +4.9% 8,980 $672K
Corsair Capital Management, L.P. 0.17% Reduce -18.3% 8,932 $669K
Deutsche Bank AG 0.00% Reduce -10.2% 8,612 $645K
Koss-Olinger Consulting, LLC 0.05% New 8,532 $639K
DekaBank Deutsche Girozentrale 0.00% No change 8,287 $605K
Bank of America Corp. 0.00% Reduce -27.8% 7,716 $578K
Grandeur Peak Global Advisors, LLC 0.06% No change 7,406 $554K
Manatuck Hill Partners, LLC 0.24% New 7,000 $524K
Wells Fargo & Company 0.00% Reduce -0.2% 6,829 $511K
Empowered Funds, LLC 0.01% Reduce -41.8% 6,700 $502K
Mackenzie Financial Corp. 0.00% Add +5.1% 6,584 $493K
Osaic Holdings, Inc. 0.00% Add +1.1% 6,290 $471K
Two Sigma Advisers, LP 0.00% Reduce -14.8% 6,200 $464K
Verition Fund Management LLC 0.00% Reduce -23.6% 6,168 $462K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.1% 6,127 $459K
Sterling Capital Management LLC 0.01% Reduce -11.2% 6,118 $458K
PFG Advisors 0.03% Reduce -34.6% 6,082 $455K
MetLife Investment Management, LLC 0.00% Reduce -1.4% 6,017 $450K
Intech Investment Management LLC 0.00% Add +32.5% 5,968 $447K
State of Wisconsin Investment Board 0.00% Reduce -20.3% 5,395 $404K
Teacher Retirement System of Texas 0.00% New 5,391 $404K
Corebridge Financial, Inc. 0.00% Reduce -1.5% 5,065 $379K
T. Rowe Price Associates Inc. 0.00% Add +13.7% 4,550 $341K
Principal Financial Group Inc. 0.00% Add +4.5% 4,411 $330K
Truvestments Capital LLC 0.07% Reduce -64.9% 4,215 $316K
New York State Common Retirement Fund 0.00% No change 4,188 $314K
State of Wyoming 0.04% Add +189.9% 4,114 $308K
Mesirow Financial Investment Management, Inc. 0.01% No change 4,351 $306K
AQR Capital Management 0.00% Reduce -60.5% 4,015 $301K
NorthCoast Asset Management LLC 0.00% Add +5.1% 3,871 $290K
Janney Montgomery Scott LLC 0.00% Reduce -90.7% 3,749 $281K
Capula Management Ltd 0.00% New 3,621 $271K
Manufacturers Life Insurance Company, The 0.00% Reduce -3.4% 3,616 $271K
Walleye Capital LLC 0.00% New 3,419 $256K
Voya Investment Management LLC 0.00% Reduce -11.6% 3,340 $250K
Gabelli Funds LLC 0.00% No change 3,264 $244K
Envestnet Asset Management Inc. 0.00% Reduce -37.8% 3,121 $234K
Catalyst Funds Management Pty Ltd 0.06% New 3,100 $232K
Keybank National Association 0.00% No change 3,000 $225K
Aristides Capital LLC 0.08% New 2,999 $225K
Arizona State Retirement System 0.00% Reduce -1.3% 2,980 $223K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +40.6% 2,959 $222K
State Board of Administration of Florida Retirement System 0.00% Reduce -4.6% 2,940 $220K
SG Americas Securities, LLC 0.00% Reduce -24.8% 2,776 $208K
FMR LLC 0.00% Add +141.0% 2,487 $186K
Steward Partners Investment Advisory, LLC 0.00% Reduce -11.1% 2,400 $180K
Police & Firemen's Retirement System of New Jersey 0.00% No change 2,079 $156K
KLP Kapitalforvaltning As 0.00% No change 1,800 $135K
Canada Pension Plan Investment Board 0.00% Add +650.0% 1,500 $112K
Ameritas Investment Partners, Inc. 0.00% No change 1,032 $77K
Covestor Ltd 0.04% Add +0.4% 809 $60K
Vestcor Inc 0.00% No change 792 $59K
CANADA LIFE ASSURANCE Co 0.00% No change 760 $57K
BNP Paribas Financial Markets 0.00% Reduce -49.8% 625 $47K
Creekmur Asset Management LLC 0.01% Reduce -15.7% 624 $47K
North Star Investment Management Corp. 0.00% No change 550 $41K
Aster Capital Management (DIFC) Ltd 0.01% New 347 $29K
Cwm, LLC 0.00% Add +147.1% 383 $29K
Amalgamated Bank 0.00% No change 353 $26K
PNC Financial Services Group, Inc. 0.00% Add +1300.0% 294 $22K
Smithfield Trust Co 0.00% No change 232 $17K
Principal Securities, Inc. 0.00% No change 206 $17K
Tower Research Capital LLC (TRC) 0.00% Reduce -55.7% 193 $14K
US Bancorp \de 0.00% Add +15.1% 183 $14K
Quadrant Capital Group LLC 0.00% Reduce -33.2% 173 $13K
Wayfinding Financial, LLC 0.00% New 153 $11K
Comerica Bank 0.00% Reduce -48.4% 112 $8K
Jones Financial Companies LLLP 0.00% New 108 $8K
Signaturefd, LLC 0.00% No change 95 $7K
Versant Capital Management, Inc 0.00% Add +10.0% 77 $6K
GAMMA Investing LLC 0.00% Reduce -7.5% 62 $5K
Smartleaf Asset Management LLC 0.00% No change 60 $4K
WealthCollab, LLC 0.00% No change 46 $3K
Public Employees Retirement System of Ohio 0.00% New 43 $3K
Nisa Investment Advisors, LLC 0.00% Reduce -5.1% 37 $3K
Rothschild Investment LLC 0.00% Add +50.0% 30 $2K
FNY Investment Advisers, LLC 0.00% Reduce -87.5% 32 $2K
Caitong International Asset Management Co., Ltd 0.00% New 25 $2K
Arax Advisory Partners 0.00% Reduce -65.4% 18 $1K
Lindbrook Capital, LLC 0.00% Add +16.7% 14 $1K
Parallel Advisors, LLC 0.00% Reduce -23.5% 13 $973
Parkside Financial Bank & Trust 0.00% New 10 $749
True Wealth Design, LLC 0.00% New 7 $525
Stephens Consulting, LLC 0.00% New 5 $375
EverSource Wealth Advisors, LLC 0.00% No change 4 $299
Simplex Trading, LLC 0.00% Reduce -64.3% 5 $0

"% 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.