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, Q4 2025
Institutional positions in Bel Fuse Inc as of Dec 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
- 207
- +11 vs. Q3 2025
- Shares held
- 10.1M
- +781.7K (+8.4%) vs. Q3 2025
- Total value
- $1.72B
- +$403.3M (+30.7%) vs. Q3 2025
- New holders
- 38
- 68 more added
- Sold out
- 27
- 67 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 908,717 | $154.1M | 0.00% | +685+0.1% | Added |
| BlackRock, Inc. | 866,066 | $146.9M | 0.00% | +27,634+3.3% | Added |
| Price T Rowe Associates Inc | 834,261 | $141.5M | 0.02% | +355,563+74.3% | Added |
| FMR LLC | 667,676 | $113.3M | 0.01% | +57,244+9.4% | Added |
| Janus Henderson Group PLC | 619,337 | $105.0M | 0.05% | +99,834+19.2% | Added |
| T. Rowe Price Investment Management, Inc. | 519,005 | $88.0M | 0.06% | +161,736+45.3% | Added |
| Wasatch Advisors Inc | 410,487 | $69.6M | 0.41% | +174,969+74.3% | Added |
| Geode Capital Management, LLC | 267,950 | $45.5M | 0.00% | +2,803+1.1% | Added |
| Dimensional Fund Advisors LP | 254,841 | $43.2M | 0.01% | −80,946−24.1% | Reduced |
| Fisher Asset Management, LLC | 251,608 | $42.7M | 0.01% | +251,608 | New |
| State Street Corp | 246,959 | $41.9M | 0.00% | +5,832+2.4% | Added |
| Thrivent Financial for Lutherans | 236,005 | $40.0M | 0.07% | −9,243−3.8% | Reduced |
| Renaissance Technologies LLC | 231,351 | $39.2M | 0.06% | −21,500−8.5% | Reduced |
| Bessemer Group Inc | 206,912 | $35.1M | 0.05% | +637+0.3% | Added |
| Loomis Sayles & Co L P | 200,712 | $34.0M | 0.04% | +352+0.2% | Added |
| Invesco Ltd. | 169,352 | $28.7M | 0.00% | −5,231−3.0% | Reduced |
| GW&K Investment Management, LLC | 162,317 | $27.5M | 0.24% | −33,034−16.9% | Reduced |
| JPMorgan Chase & Co | 143,361 | $24.3M | 0.00% | +133,446+1,345.9% | Added |
| Portolan Capital Management, LLC | 139,513 | $23.7M | 1.27% | +15,747+12.7% | Added |
| Massachusetts Financial Services Co | 138,997 | $23.6M | 0.01% | −105,515−43.2% | Reduced |
| Advisory Research Inc | 134,790 | $22.9M | 2.87% | −58,770−30.4% | Reduced |
| Brown Advisory Inc | 118,223 | $20.1M | 0.03% | −10,022−7.8% | Reduced |
| Northern Trust Corp | 100,940 | $17.1M | 0.00% | −7,148−6.6% | Reduced |
| Charles Schwab Investment Management Inc | 100,166 | $17.0M | 0.00% | +1,134+1.1% | Added |
| Arrowstreet Capital, Limited Partnership | 97,116 | $16.5M | 0.01% | −5,966−5.8% | Reduced |
| Royce & Associates LP | 92,035 | $15.6M | 0.16% | −108,262−54.1% | Reduced |
| NEOS Investment Management LLC | 89,918 | $15.3M | 0.09% | +37,022+70.0% | Added |
| Tema ETFs LLC | 89,918 | $15.3M | 1.18% | +37,022+70.0% | Added |
| Goldman Sachs Group Inc | 80,992 | $13.7M | 0.00% | +19,774+32.3% | Added |
| American Century Companies Inc | 71,290 | $12.1M | 0.01% | −100,258−58.4% | Reduced |
| Santa Monica Partners LP | 67,634 | $11.5M | 6.96% | 00.0% | Unchanged |
| Boston Partners | 62,643 | $10.6M | 0.01% | +6,911+12.4% | Added |
| Lord, Abbett & Co. LLC | 61,465 | $10.4M | 0.03% | −100.0% | Reduced |
| Congruence Capital, LLC | 55,759 | $9.46M | 3.48% | +55,759 | New |
| Makaira Partners LLC | 55,000 | $9.33M | 7.29% | −45,000−45.0% | Reduced |
| First Trust Advisors LP | 54,398 | $9.23M | 0.01% | +51,823+2,012.5% | Added |
| Bank of New York Mellon Corp | 53,687 | $9.11M | 0.00% | −8,195−13.2% | Reduced |
| UBS Group AG | 46,575 | $7.90M | 0.00% | +31,820+215.7% | Added |
| Ballast Asset Management, LP | 42,008 | $7.13M | 3.37% | −9,072−17.8% | Reduced |
| Morgan Stanley | 41,559 | $7.05M | 0.00% | +3,401+8.9% | Added |
| Voloridge Investment Management, LLC | 40,583 | $6.88M | 0.02% | +9,085+28.8% | Added |
| Grandeur Peak Global Advisors, LLC | 38,144 | $6.47M | 0.87% | +31,881+509.0% | Added |
| Nomura Asset Management International Inc. | 36,851 | $6.25M | 0.01% | +36,851 | New |
| Dean Investment Associates, LLC | 34,559 | $5.86M | 0.84% | −4,504−11.5% | Reduced |
| Russell Investments Group, Ltd. | 34,409 | $5.84M | 0.01% | −7,066−17.0% | Reduced |
| Victory Capital Management Inc | 34,009 | $5.77M | 0.00% | +20,229+146.8% | Added |
| Castleark Management LLC | 33,101 | $5.61M | 0.16% | +8,920+36.9% | Added |
| Herald Investment Management Ltd | 30,000 | $5.08M | 0.66% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 29,884 | $5.07M | 0.22% | −57,426−65.8% | Reduced |
| SEI Investments Co | 27,148 | $4.61M | 0.00% | +23,096+570.0% | Added |
| EAM Investors, LLC | 26,481 | $4.49M | 0.50% | −528−2.0% | Reduced |
| Nitor Capital Management LLC | 25,400 | $4.31M | 3.83% | +25,400 | New |
| Investors Asset Management of Georgia Inc | 24,957 | $4.23M | 1.75% | 00.0% | Unchanged |
| Dean Capital Management | 23,504 | $3.99M | 1.70% | −8,735−27.1% | Reduced |
| Phocas Financial Corp. | 23,091 | $3.92M | 0.51% | +23,091 | New |
| State of Wisconsin Investment Board | 22,886 | $3.88M | 0.01% | +15,413+206.2% | Added |
| Polen Capital Management LLC | 22,522 | $3.82M | 0.02% | +2,983+15.3% | Added |
| Nuveen, LLC | 21,990 | $3.73M | 0.00% | −494−2.2% | Reduced |
| Raymond James Financial Inc | 21,076 | $3.58M | 0.00% | +18,353+674.0% | Added |
| Swiss National Bank | 20,800 | $3.53M | 0.00% | +400+2.0% | Added |
| UBS Asset Management Americas Inc | 19,157 | $3.25M | 0.00% | +857+4.7% | Added |
| Expect Equity LLC | 18,537 | $3.14M | 2.59% | −4,950−21.1% | Reduced |
| Barclays PLC | 16,198 | $2.75M | 0.00% | +232+1.5% | Added |
| Creative Planning | 15,015 | $2.55M | 0.00% | +1,857+14.1% | Added |
| Manatuck Hill Partners, LLC | 15,000 | $2.54M | 0.89% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 14,768 | $2.51M | 0.01% | −2,387−13.9% | Reduced |
| Qube Research & Technologies Ltd | 14,761 | $2.50M | 0.00% | +9,186+164.8% | Added |
| LPL Financial LLC | 14,421 | $2.45M | 0.00% | +5,872+68.7% | Added |
| Perritt Capital Management Inc | 14,051 | $2.38M | 3.99% | −102−0.7% | Reduced |
| Sentinus, LLC | 14,051 | $2.38M | 0.23% | +14,051 | New |
| Rhumbline Advisers | 13,323 | $2.26M | 0.00% | −2,330−14.9% | Reduced |
| TD Asset Management Inc | 12,494 | $2.12M | 0.00% | +6,556+110.4% | Added |
| Legato Capital Management LLC | 12,403 | $2.10M | 0.18% | −7,776−38.5% | Reduced |
| Franklin Resources Inc | 12,301 | $2.09M | 0.00% | +12,301 | New |
| Wells Fargo & Company | 12,292 | $2.09M | 0.00% | +3,679+42.7% | Added |
| Ritholtz Wealth Management | 11,292 | $1.92M | 0.03% | −290−2.5% | Reduced |
| Susquehanna International Group, LLP | 11,071 | $1.88M | 0.00% | −23,748−68.2% | Reduced |
| Alliancebernstein L.P. | 10,698 | $1.81M | 0.00% | +1,048+10.9% | Added |
| Bank of America Corp | 10,259 | $1.74M | 0.00% | −3,756−26.8% | Reduced |
| Pinnacle Associates Ltd | 10,041 | $1.70M | 0.02% | 00.0% | Unchanged |
| California State Teachers Retirement System | 9,632 | $1.63M | 0.00% | −9−0.1% | Reduced |
| Legal & General Group Plc | 9,157 | $1.55M | 0.00% | −807−8.1% | Reduced |
| Acadian Asset Management LLC | 8,835 | $1.50M | 0.00% | −1,249−12.4% | Reduced |
| Credit Agricole S A | 8,500 | $1.44M | 0.00% | 00.0% | Unchanged |
| Oliver Luxxe Assets LLC | 8,114 | $1.38M | 0.21% | +8,114 | New |
| Deutsche Bank AG | 8,089 | $1.37M | 0.00% | +585+7.8% | Added |
| Blair William & Co | 8,025 | $1.36M | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 7,384 | $1.25M | 0.06% | +1,252+20.4% | Added |
| Corsair Capital Management, L.P. | 7,234 | $1.23M | 0.20% | −1,698−19.0% | Reduced |
| Koss-Olinger Consulting, LLC | 6,916 | $1.17M | 0.09% | −1,016−12.8% | Reduced |
| PFG Advisors | 6,656 | $1.13M | 0.05% | +84+1.3% | Added |
| Y-Intercept (Hong Kong) Ltd | 6,569 | $1.11M | 0.02% | +6,569 | New |
| New York State Common Retirement Fund | 6,541 | $1.11M | 0.00% | +3,153+93.1% | Added |
| MetLife Investment Management | 5,881 | $997.6K | 0.00% | −340−5.5% | Reduced |
| Skopos Labs, Inc. | 5,278 | $920.2K | 0.04% | +5,278 | New |
| Caxton Associates LLP | 5,150 | $873.6K | 0.02% | −1,676−24.6% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 4,970 | $843.1K | 0.01% | +4,970 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 4,861 | $824.6K | 0.00% | +15+0.3% | Added |
| AQR Capital Management LLC | 4,846 | $822.1K | 0.00% | +600+14.1% | Added |
| Envestnet Asset Management Inc | 4,798 | $814.0K | 0.00% | +439+10.1% | Added |