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, Q1 2025
Institutional positions in Bel Fuse Inc as of Mar 31, 2025. 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
- 164
- −1 vs. Q4 2024
- Shares held
- 9.21M
- +570.6K (+6.6%) vs. Q4 2024
- Total value
- $689.3M
- −$23.3M (−3.3%) vs. Q4 2024
- New holders
- 23
- 42 more added
- Sold out
- 24
- 73 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 276 | $4.18B |
| Q1 2026 | 235 | $2.05B |
| Q4 2025 | 207 | $1.72B |
| Q3 2025 | 197 | $1.31B |
| Q2 2025 | 174 | $941.8M |
| Q1 2025 | 164 | $689.3M |
| Q4 2024 | 168 | $714.9M |
| Q3 2024 | 163 | $656.5M |
| Q2 2024 | 153 | $539.8M |
| Q1 2024 | 147 | $456.7M |
| Q4 2023 | 146 | $491.0M |
| Q3 2023 | 134 | $333.4M |
| Q2 2023 | 126 | $412.5M |
| Q1 2023 | 96 | $250.6M |
| Q4 2022 | 90 | $205.7M |
| Q3 2022 | 83 | $160.2M |
| Q2 2022 | 61 | $95.9M |
| Q1 2022 | 70 | $111.9M |
| Q4 2021 | 67 | $79.4M |
| Q3 2021 | 82 | $79.1M |
| Q2 2021 | 82 | $107.4M |
| Q1 2021 | 88 | $155.6M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tectonic Advisors LLC | 15,477 | $1.16M | 0.07% | −3,095−16.7% | Reduced |
| Rhumbline Advisers | 15,589 | $1.17M | 0.00% | −838−5.1% | Reduced |
| Susquehanna International Group, LLP | 15,773 | $1.18M | 0.00% | −3,879−19.7% | Reduced |
| Martingale Asset Management L P | 16,530 | $1.24M | 0.03% | −845−4.9% | Reduced |
| Perritt Capital Management Inc | 17,732 | $1.33M | 0.73% | −151−0.8% | Reduced |
| Danske Bank A/S | 18,050 | $1.35M | 0.00% | +18,050 | New |
| Swiss National Bank | 20,200 | $1.51M | 0.00% | −300−1.5% | Reduced |
| UBS Asset Management Americas Inc | 20,254 | $1.52M | 0.00% | 00.0% | Unchanged |
| Apis Capital Advisors, LLC | 21,400 | $1.60M | 0.77% | +8,600+67.2% | Added |
| Options Solutions, LLC | 21,442 | $1.61M | 0.77% | +1,289+6.4% | Added |
| Legato Capital Management LLC | 21,710 | $1.63M | 0.22% | −5,272−19.5% | Reduced |
| O'Shaughnessy Asset Management, LLC | 21,798 | $1.63M | 0.01% | −2,248−9.3% | Reduced |
| Qube Research & Technologies Ltd | 23,649 | $1.77M | 0.00% | −45,600−65.8% | Reduced |
| Nuveen, LLC | 27,634 | $2.07M | 0.00% | +27,634 | New |
| Lazard Asset Management LLC | 28,559 | $2.14M | 0.00% | +17,013+147.3% | Added |
| CenterBook Partners LP | 29,770 | $2.23M | 0.14% | +29,770 | New |
| Herald Investment Management Ltd | 30,000 | $2.24M | 0.42% | +6,000+25.0% | Added |
| UBS Group AG | 32,857 | $2.46M | 0.00% | +20,529+166.5% | Added |
| Expect Equity LLC | 33,211 | $2.49M | 2.80% | +2,120+6.8% | Added |
| Victory Capital Management Inc | 33,793 | $2.53M | 0.00% | −5,388−13.8% | Reduced |
| Goldman Sachs Group Inc | 33,910 | $2.54M | 0.00% | −13,039−27.8% | Reduced |
| Dean Capital Management | 34,462 | $2.58M | 1.12% | −8,447−19.7% | Reduced |
| Bridgeway Capital Management, LLC | 34,700 | $2.60M | 0.07% | +23,194+201.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 36,499 | $2.73M | 0.01% | −18,700−33.9% | Reduced |
| Boston Partners | 38,073 | $2.85M | 0.00% | −1,335−3.4% | Reduced |
| Hodges Capital Management Inc. | 38,240 | $2.86M | 0.29% | −66,405−63.5% | Reduced |
| Tema ETFs LLC | 38,417 | $2.88M | 0.86% | +29,905+351.3% | Added |
| NEOS Investment Management LLC | 39,614 | $2.97M | 0.06% | +30,494+334.4% | Added |
| Morgan Stanley | 45,206 | $3.38M | 0.00% | −7,536−14.3% | Reduced |
| Isthmus Partners, LLC | 47,362 | $3.55M | 0.44% | −47−0.1% | Reduced |
| Dean Investment Associates, LLC | 48,483 | $3.63M | 0.54% | −15,181−23.8% | Reduced |
| Russell Investments Group, Ltd. | 50,886 | $3.81M | 0.01% | +12,269+31.8% | Added |
| Investors Asset Management of Georgia Inc | 51,701 | $3.87M | 1.96% | −1,299−2.5% | Reduced |
| Massachusetts Financial Services Co | 57,174 | $4.28M | 0.00% | +57,174 | New |
| Bank of New York Mellon Corp | 58,303 | $4.36M | 0.00% | −3,510−5.7% | Reduced |
| Paragon Associates & Paragon Associates II Joint Venture | 62,000 | $4.64M | 10.88% | −6,000−8.8% | Reduced |
| Santa Monica Partners LP | 67,634 | $5.06M | 2.77% | 00.0% | Unchanged |
| Ballast Asset Management, LP | 69,366 | $5.19M | 2.74% | +1,032+1.5% | Added |
| Roubaix Capital, LLC | 70,280 | $5.26M | 2.74% | −12,489−15.1% | Reduced |
| Acadian Asset Management LLC | 75,570 | $5.66M | 0.02% | −38,390−33.7% | Reduced |
| Charles Schwab Investment Management Inc | 97,391 | $7.29M | 0.00% | −5,713−5.5% | Reduced |
| Northern Trust Corp | 110,892 | $8.30M | 0.00% | −4,611−4.0% | Reduced |
| LSV Asset Management | 112,600 | $8.43M | 0.02% | −23,879−17.5% | Reduced |
| Brown Advisory Inc | 140,930 | $10.6M | 0.02% | −2,233−1.6% | Reduced |
| Granahan Investment Management Inc | 151,481 | $11.3M | 0.56% | −8,023−5.0% | Reduced |
| Thrivent Financial for Lutherans | 169,325 | $12.7M | 0.03% | +15,253+9.9% | Added |
| Invesco Ltd. | 173,981 | $13.0M | 0.00% | −15,833−8.3% | Reduced |
| Potrero Capital Research LLC | 174,828 | $13.1M | 6.43% | +28,842+19.8% | Added |
| Portolan Capital Management, LLC | 184,224 | $13.8M | 1.05% | −24,246−11.6% | Reduced |
| Loomis Sayles & Co L P | 194,942 | $14.6M | 0.02% | −5,420−2.7% | Reduced |
| Wasatch Advisors Inc | 212,624 | $15.9M | 0.09% | +212,624 | New |
| GW&K Investment Management, LLC | 217,998 | $16.3M | 0.15% | +4,405+2.1% | Added |
| State Street Corp | 233,193 | $17.5M | 0.00% | +838+0.4% | Added |
| Makaira Partners LLC | 245,999 | $18.4M | 6.17% | +245,999 | New |
| Bessemer Group Inc | 253,905 | $19.0M | 0.03% | +253,905 | New |
| Geode Capital Management, LLC | 313,679 | $23.5M | 0.00% | +21,659+7.4% | Added |
| Renaissance Technologies LLC | 323,751 | $24.2M | 0.04% | +20,219+6.7% | Added |
| American Century Companies Inc | 357,131 | $26.7M | 0.02% | +5,376+1.5% | Added |
| Advisory Research Inc | 375,089 | $28.1M | 4.95% | +61,643+19.7% | Added |
| Janus Henderson Group PLC | 404,324 | $30.0M | 0.02% | +6,201+1.6% | Added |
| Royce & Associates LP | 417,601 | $31.3M | 0.34% | −16,278−3.8% | Reduced |
| Dimensional Fund Advisors LP | 714,658 | $53.5M | 0.01% | −37,464−5.0% | Reduced |
| BlackRock, Inc. | 840,679 | $62.9M | 0.00% | −1,500−0.2% | Reduced |
| Vanguard Group Inc | 917,097 | $68.7M | 0.00% | +12,808+1.4% | Added |
| Brandywine Global Investment Management, LLC | 0 | $0 | 0.00% | −32,105−100.0% | Sold out |
| Navellier & Associates Inc | 0 | $0 | 0.00% | −23,415−100.0% | Sold out |
| Fisher Asset Management, LLC | 0 | $0 | 0.00% | −20,014−100.0% | Sold out |
| DHK Financial Advisors, Inc. | 0 | $0 | 0.00% | −10,033−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −8,209−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −7,699−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −7,583−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −7,402−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −6,900−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −6,302−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −5,174−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −5,150−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −5,057−100.0% | Sold out |
| III Capital Management | 0 | $0 | 0.00% | −3,869−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −3,701−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −3,619−100.0% | Sold out |
| Seizert Capital Partners, LLC | 0 | $0 | 0.00% | −3,532−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −2,912−100.0% | Sold out |
| New York State Teachers Retirement System | 0 | $0 | 0.00% | −847−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −145−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −137−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| First Horizon Advisors, Inc. | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| WR Wealth Planners, LLC | – | – | – | – | Not filed |