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, Q2 2025
Institutional positions in Bel Fuse Inc as of Jun 30, 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
- 174
- +11 vs. Q1 2025
- Shares held
- 9.64M
- +428.9K (+4.7%) vs. Q1 2025
- Total value
- $941.8M
- +$252.5M (+36.6%) vs. Q1 2025
- New holders
- 36
- 55 more added
- Sold out
- 25
- 64 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 910,114 | $88.9M | 0.00% | −6,983−0.8% | Reduced |
| BlackRock, Inc. | 830,103 | $81.1M | 0.00% | −10,576−1.3% | Reduced |
| Dimensional Fund Advisors LP | 645,524 | $63.1M | 0.01% | −69,134−9.7% | Reduced |
| Janus Henderson Group PLC | 427,395 | $41.8M | 0.02% | +23,071+5.7% | Added |
| Advisory Research Inc | 390,858 | $38.2M | 5.87% | +15,769+4.2% | Added |
| Massachusetts Financial Services Co | 385,817 | $37.7M | 0.01% | +328,643+574.8% | Added |
| Royce & Associates LP | 382,452 | $37.4M | 0.38% | −35,149−8.4% | Reduced |
| Bessemer Group Inc | 325,800 | $31.8M | 0.05% | +71,895+28.3% | Added |
| Geode Capital Management, LLC | 321,922 | $31.5M | 0.00% | +8,243+2.6% | Added |
| Wasatch Advisors Inc | 284,014 | $27.7M | 0.15% | +71,390+33.6% | Added |
| Renaissance Technologies LLC | 283,451 | $27.7M | 0.04% | −40,300−12.4% | Reduced |
| FMR LLC | 274,618 | $26.8M | 0.00% | +272,131+10,942.1% | Added |
| American Century Companies Inc | 264,864 | $25.9M | 0.01% | −92,267−25.8% | Reduced |
| Makaira Partners LLC | 245,999 | $24.0M | 7.31% | 00.0% | Unchanged |
| State Street Corp | 239,572 | $23.4M | 0.00% | +6,379+2.7% | Added |
| GW&K Investment Management, LLC | 215,648 | $21.1M | 0.19% | −2,350−1.1% | Reduced |
| Loomis Sayles & Co L P | 196,519 | $19.2M | 0.02% | +1,577+0.8% | Added |
| T. Rowe Price Investment Management, Inc. | 172,296 | $16.8M | 0.01% | +172,296 | New |
| Price T Rowe Associates Inc | 152,974 | $14.9M | 0.00% | +148,424+3,262.1% | Added |
| Thrivent Financial for Lutherans | 147,070 | $14.4M | 0.03% | −22,255−13.1% | Reduced |
| Invesco Ltd. | 137,408 | $13.4M | 0.00% | −36,573−21.0% | Reduced |
| Brown Advisory Inc | 132,039 | $12.9M | 0.02% | −8,891−6.3% | Reduced |
| Granahan Investment Management Inc | 108,912 | $10.6M | 0.43% | −42,569−28.1% | Reduced |
| Northern Trust Corp | 108,319 | $10.6M | 0.00% | −2,573−2.3% | Reduced |
| Charles Schwab Investment Management Inc | 98,602 | $9.63M | 0.00% | +1,211+1.2% | Added |
| Lord, Abbett & Co. LLC | 81,566 | $7.97M | 0.03% | +81,566 | New |
| Ballast Asset Management, LP | 69,366 | $6.78M | 3.52% | 00.0% | Unchanged |
| Santa Monica Partners LP | 67,634 | $6.61M | 3.85% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 64,612 | $6.31M | 3.03% | −5,668−8.1% | Reduced |
| Bank of New York Mellon Corp | 62,635 | $6.12M | 0.00% | +4,332+7.4% | Added |
| Portolan Capital Management, LLC | 62,526 | $6.11M | 0.38% | −121,698−66.1% | Reduced |
| Dean Investment Associates, LLC | 52,111 | $5.09M | 0.75% | +3,628+7.5% | Added |
| NEOS Investment Management LLC | 51,717 | $5.05M | 0.06% | +12,103+30.6% | Added |
| Tema ETFs LLC | 51,717 | $5.05M | 1.34% | +13,300+34.6% | Added |
| Boston Partners | 51,307 | $5.01M | 0.01% | +13,234+34.8% | Added |
| Russell Investments Group, Ltd. | 48,933 | $4.78M | 0.01% | −1,953−3.8% | Reduced |
| Isthmus Partners, LLC | 47,359 | $4.63M | 0.54% | −30.0% | Reduced |
| LSV Asset Management | 43,100 | $4.21M | 0.01% | −69,500−61.7% | Reduced |
| Dean Capital Management | 41,960 | $4.10M | 1.68% | +7,498+21.8% | Added |
| Paragon Associates & Paragon Associates II Joint Venture | 40,000 | $3.91M | 6.21% | −22,000−35.5% | Reduced |
| Lazard Asset Management LLC | 39,089 | $3.82M | 0.01% | +10,530+36.9% | Added |
| Goldman Sachs Group Inc | 37,261 | $3.64M | 0.00% | +3,351+9.9% | Added |
| UBS Asset Management Americas Inc | 33,857 | $3.31M | 0.00% | +13,603+67.2% | Added |
| Potrero Capital Research LLC | 33,500 | $3.27M | 1.52% | −141,328−80.8% | Reduced |
| Millennium Management LLC | 32,783 | $3.20M | 0.00% | +32,783 | New |
| Expect Equity LLC | 32,211 | $3.15M | 3.36% | −1,000−3.0% | Reduced |
| Morgan Stanley | 31,041 | $3.03M | 0.00% | −14,165−31.3% | Reduced |
| Apis Capital Advisors, LLC | 30,800 | $3.01M | 1.07% | +9,400+43.9% | Added |
| Herald Investment Management Ltd | 30,000 | $2.93M | 0.43% | 00.0% | Unchanged |
| UBS Group AG | 29,697 | $2.90M | 0.00% | −3,160−9.6% | Reduced |
| Legato Capital Management LLC | 26,273 | $2.57M | 0.31% | +4,563+21.0% | Added |
| Investors Asset Management of Georgia Inc | 25,207 | $2.46M | 1.14% | −26,494−51.2% | Reduced |
| Royal Bank of Canada | 24,652 | $2.41M | 0.00% | +11,358+85.4% | Added |
| Acadian Asset Management LLC | 24,649 | $2.41M | 0.00% | −50,921−67.4% | Reduced |
| EAM Investors, LLC | 24,264 | $2.37M | 0.36% | +24,264 | New |
| Citadel Advisors LLC | 23,465 | $2.29M | 0.00% | +23,465 | New |
| Hodges Capital Management Inc. | 23,325 | $2.28M | 0.22% | −14,915−39.0% | Reduced |
| Susquehanna International Group, LLP | 22,827 | $2.23M | 0.00% | +7,054+44.7% | Added |
| Nuveen, LLC | 22,484 | $2.20M | 0.00% | −5,150−18.6% | Reduced |
| Bank of America Corp | 22,055 | $2.15M | 0.00% | +14,339+185.8% | Added |
| Barclays PLC | 21,646 | $2.11M | 0.00% | +9,077+72.2% | Added |
| SG Capital Management LLC | 21,229 | $2.07M | 0.18% | +21,229 | New |
| Options Solutions, LLC | 20,386 | $1.99M | 0.71% | −1,056−4.9% | Reduced |
| Polen Capital Management LLC | 20,386 | $1.99M | 0.01% | +20,386 | New |
| Swiss National Bank | 19,900 | $1.94M | 0.00% | −300−1.5% | Reduced |
| Victory Capital Management Inc | 18,521 | $1.81M | 0.00% | −15,272−45.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 18,073 | $1.77M | 0.01% | −3,725−17.1% | Reduced |
| Franklin Resources Inc | 17,183 | $1.68M | 0.00% | +2,037+13.4% | Added |
| CenterBook Partners LP | 16,586 | $1.62M | 0.09% | −13,184−44.3% | Reduced |
| Rhumbline Advisers | 15,972 | $1.56M | 0.00% | +383+2.5% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 15,500 | $1.51M | 0.00% | −20,999−57.5% | Reduced |
| Perritt Capital Management Inc | 15,330 | $1.50M | 0.77% | −2,402−13.5% | Reduced |
| Pinnacle Associates Ltd | 14,065 | $1.37M | 0.02% | +1,900+15.6% | Added |
| Ritholtz Wealth Management | 11,760 | $1.15M | 0.03% | −1,141−8.8% | Reduced |
| Creative Planning | 11,267 | $1.10M | 0.00% | +513+4.8% | Added |
| Legal & General Group Plc | 10,127 | $989.3K | 0.00% | −1,071−9.6% | Reduced |
| JPMorgan Chase & Co | 9,939 | $970.9K | 0.00% | +116+1.2% | Added |
| Alliancebernstein L.P. | 9,650 | $942.7K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 9,640 | $941.7K | 0.00% | −112−1.1% | Reduced |
| Sierra Summit Advisors LLC | 9,274 | $906.0K | 0.16% | +9,274 | New |
| Blair William & Co | 9,150 | $893.9K | 0.00% | 00.0% | Unchanged |
| Tectonic Advisors LLC | 8,939 | $873.2K | 0.05% | −6,538−42.2% | Reduced |
| Corsair Capital Management, L.P. | 8,932 | $872.6K | 0.17% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 8,287 | $798.0K | 0.00% | 00.0% | Unchanged |
| Koss-Olinger Consulting, LLC | 7,932 | $774.8K | 0.06% | −600−7.0% | Reduced |
| TrueMark Investments, LLC | 7,453 | $728.1K | 0.16% | +7,453 | New |
| Wells Fargo & Company | 7,292 | $712.3K | 0.00% | +463+6.8% | Added |
| Deutsche Bank AG | 7,072 | $690.9K | 0.00% | −1,540−17.9% | Reduced |
| Advisor Group Holdings, Inc. | 7,048 | $688.4K | 0.00% | +758+12.1% | Added |
| Teacher Retirement System of Texas | 6,910 | $675.0K | 0.00% | +1,519+28.2% | Added |
| Grandeur Peak Global Advisors, LLC | 6,600 | $644.8K | 0.08% | −806−10.9% | Reduced |
| Raymond James Financial Inc | 6,576 | $642.4K | 0.00% | +6,576 | New |
| PFG Advisors | 6,281 | $613.5K | 0.03% | +199+3.3% | Added |
| Two Sigma Advisers, LP | 6,238 | $609.4K | 0.00% | +38+0.6% | Added |
| Formula Growth Ltd | 6,000 | $586.1K | 0.22% | +6,000 | New |
| Mackenzie Financial Corp | 5,964 | $582.6K | 0.00% | −620−9.4% | Reduced |
| Martingale Asset Management L P | 5,707 | $557.5K | 0.01% | −10,823−65.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 5,699 | $556.7K | 0.00% | −428−7.0% | Reduced |
| Quadrature Capital Ltd | 5,359 | $523.5K | 0.01% | +5,359 | New |
| Citigroup Inc | 5,017 | $490.1K | 0.00% | −3,963−44.1% | Reduced |