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 |
|---|---|---|---|---|---|
| Two Sigma Advisers, LP | 4,000 | $678.5K | 0.00% | −1,738−30.3% | Reduced |
| Natixis | 4,000 | $678.5K | 0.00% | +4,000 | New |
| SummitTX Capital, L.P. | 4,033 | $684.1K | 0.02% | +4,033 | New |
| Janney Montgomery Scott LLC | 4,087 | $693.0K | 0.00% | +79+2.0% | Added |
| Intech Investment Management LLC | 4,119 | $698.7K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 4,676 | $793.0K | 0.00% | +279+6.3% | Added |
| Manufacturers Life Insurance Company, The | 4,732 | $802.7K | 0.00% | −539−10.2% | Reduced |
| Envestnet Asset Management Inc | 4,798 | $814.0K | 0.00% | +439+10.1% | Added |
| AQR Capital Management LLC | 4,846 | $822.1K | 0.00% | +600+14.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 4,861 | $824.6K | 0.00% | +15+0.3% | Added |
| B. Metzler seel. Sohn & Co. AG | 4,970 | $843.1K | 0.01% | +4,970 | New |
| Caxton Associates LLP | 5,150 | $873.6K | 0.02% | −1,676−24.6% | Reduced |
| Skopos Labs, Inc. | 5,278 | $920.2K | 0.04% | +5,278 | New |
| MetLife Investment Management | 5,881 | $997.6K | 0.00% | −340−5.5% | Reduced |
| New York State Common Retirement Fund | 6,541 | $1.11M | 0.00% | +3,153+93.1% | Added |
| Y-Intercept (Hong Kong) Ltd | 6,569 | $1.11M | 0.02% | +6,569 | New |
| PFG Advisors | 6,656 | $1.13M | 0.05% | +84+1.3% | Added |
| Koss-Olinger Consulting, LLC | 6,916 | $1.17M | 0.09% | −1,016−12.8% | Reduced |
| Corsair Capital Management, L.P. | 7,234 | $1.23M | 0.20% | −1,698−19.0% | Reduced |
| Dark Forest Capital Management LP | 7,384 | $1.25M | 0.06% | +1,252+20.4% | Added |
| Blair William & Co | 8,025 | $1.36M | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 8,089 | $1.37M | 0.00% | +585+7.8% | Added |
| Oliver Luxxe Assets LLC | 8,114 | $1.38M | 0.21% | +8,114 | New |
| Credit Agricole S A | 8,500 | $1.44M | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 8,835 | $1.50M | 0.00% | −1,249−12.4% | Reduced |
| Legal & General Group Plc | 9,157 | $1.55M | 0.00% | −807−8.1% | Reduced |
| California State Teachers Retirement System | 9,632 | $1.63M | 0.00% | −9−0.1% | Reduced |
| Pinnacle Associates Ltd | 10,041 | $1.70M | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 10,259 | $1.74M | 0.00% | −3,756−26.8% | Reduced |
| Alliancebernstein L.P. | 10,698 | $1.81M | 0.00% | +1,048+10.9% | Added |
| Susquehanna International Group, LLP | 11,071 | $1.88M | 0.00% | −23,748−68.2% | Reduced |
| Ritholtz Wealth Management | 11,292 | $1.92M | 0.03% | −290−2.5% | Reduced |
| Wells Fargo & Company | 12,292 | $2.09M | 0.00% | +3,679+42.7% | Added |
| Franklin Resources Inc | 12,301 | $2.09M | 0.00% | +12,301 | New |
| Legato Capital Management LLC | 12,403 | $2.10M | 0.18% | −7,776−38.5% | Reduced |
| TD Asset Management Inc | 12,494 | $2.12M | 0.00% | +6,556+110.4% | Added |
| Rhumbline Advisers | 13,323 | $2.26M | 0.00% | −2,330−14.9% | Reduced |
| 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 |
| LPL Financial LLC | 14,421 | $2.45M | 0.00% | +5,872+68.7% | Added |
| Qube Research & Technologies Ltd | 14,761 | $2.50M | 0.00% | +9,186+164.8% | Added |
| O'Shaughnessy Asset Management, LLC | 14,768 | $2.51M | 0.01% | −2,387−13.9% | Reduced |
| Manatuck Hill Partners, LLC | 15,000 | $2.54M | 0.89% | 00.0% | Unchanged |
| Creative Planning | 15,015 | $2.55M | 0.00% | +1,857+14.1% | Added |
| Barclays PLC | 16,198 | $2.75M | 0.00% | +232+1.5% | Added |
| Expect Equity LLC | 18,537 | $3.14M | 2.59% | −4,950−21.1% | Reduced |
| UBS Asset Management Americas Inc | 19,157 | $3.25M | 0.00% | +857+4.7% | Added |
| Swiss National Bank | 20,800 | $3.53M | 0.00% | +400+2.0% | Added |
| Raymond James Financial Inc | 21,076 | $3.58M | 0.00% | +18,353+674.0% | Added |
| Nuveen, LLC | 21,990 | $3.73M | 0.00% | −494−2.2% | Reduced |
| Polen Capital Management LLC | 22,522 | $3.82M | 0.02% | +2,983+15.3% | Added |
| State of Wisconsin Investment Board | 22,886 | $3.88M | 0.01% | +15,413+206.2% | Added |
| Phocas Financial Corp. | 23,091 | $3.92M | 0.51% | +23,091 | New |
| Dean Capital Management | 23,504 | $3.99M | 1.70% | −8,735−27.1% | Reduced |
| Investors Asset Management of Georgia Inc | 24,957 | $4.23M | 1.75% | 00.0% | Unchanged |
| Nitor Capital Management LLC | 25,400 | $4.31M | 3.83% | +25,400 | New |
| EAM Investors, LLC | 26,481 | $4.49M | 0.50% | −528−2.0% | Reduced |
| SEI Investments Co | 27,148 | $4.61M | 0.00% | +23,096+570.0% | Added |
| Granahan Investment Management Inc | 29,884 | $5.07M | 0.22% | −57,426−65.8% | Reduced |
| Herald Investment Management Ltd | 30,000 | $5.08M | 0.66% | 00.0% | Unchanged |
| Castleark Management LLC | 33,101 | $5.61M | 0.16% | +8,920+36.9% | Added |
| Victory Capital Management Inc | 34,009 | $5.77M | 0.00% | +20,229+146.8% | Added |
| Russell Investments Group, Ltd. | 34,409 | $5.84M | 0.01% | −7,066−17.0% | Reduced |
| Dean Investment Associates, LLC | 34,559 | $5.86M | 0.84% | −4,504−11.5% | Reduced |
| Nomura Asset Management International Inc. | 36,851 | $6.25M | 0.01% | +36,851 | New |
| Grandeur Peak Global Advisors, LLC | 38,144 | $6.47M | 0.87% | +31,881+509.0% | Added |
| Voloridge Investment Management, LLC | 40,583 | $6.88M | 0.02% | +9,085+28.8% | Added |
| Morgan Stanley | 41,559 | $7.05M | 0.00% | +3,401+8.9% | Added |
| Ballast Asset Management, LP | 42,008 | $7.13M | 3.37% | −9,072−17.8% | Reduced |
| UBS Group AG | 46,575 | $7.90M | 0.00% | +31,820+215.7% | Added |
| Bank of New York Mellon Corp | 53,687 | $9.11M | 0.00% | −8,195−13.2% | Reduced |
| First Trust Advisors LP | 54,398 | $9.23M | 0.01% | +51,823+2,012.5% | Added |
| Makaira Partners LLC | 55,000 | $9.33M | 7.29% | −45,000−45.0% | Reduced |
| Congruence Capital, LLC | 55,759 | $9.46M | 3.48% | +55,759 | New |
| Lord, Abbett & Co. LLC | 61,465 | $10.4M | 0.03% | −100.0% | Reduced |
| Boston Partners | 62,643 | $10.6M | 0.01% | +6,911+12.4% | Added |
| Santa Monica Partners LP | 67,634 | $11.5M | 6.96% | 00.0% | Unchanged |
| American Century Companies Inc | 71,290 | $12.1M | 0.01% | −100,258−58.4% | Reduced |
| Goldman Sachs Group Inc | 80,992 | $13.7M | 0.00% | +19,774+32.3% | Added |
| 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 |
| Royce & Associates LP | 92,035 | $15.6M | 0.16% | −108,262−54.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 97,116 | $16.5M | 0.01% | −5,966−5.8% | Reduced |
| Charles Schwab Investment Management Inc | 100,166 | $17.0M | 0.00% | +1,134+1.1% | Added |
| Northern Trust Corp | 100,940 | $17.1M | 0.00% | −7,148−6.6% | Reduced |
| Brown Advisory Inc | 118,223 | $20.1M | 0.03% | −10,022−7.8% | Reduced |
| Advisory Research Inc | 134,790 | $22.9M | 2.87% | −58,770−30.4% | Reduced |
| Massachusetts Financial Services Co | 138,997 | $23.6M | 0.01% | −105,515−43.2% | Reduced |
| Portolan Capital Management, LLC | 139,513 | $23.7M | 1.27% | +15,747+12.7% | Added |
| JPMorgan Chase & Co | 143,361 | $24.3M | 0.00% | +133,446+1,345.9% | Added |
| GW&K Investment Management, LLC | 162,317 | $27.5M | 0.24% | −33,034−16.9% | Reduced |
| Invesco Ltd. | 169,352 | $28.7M | 0.00% | −5,231−3.0% | Reduced |
| Loomis Sayles & Co L P | 200,712 | $34.0M | 0.04% | +352+0.2% | Added |
| Bessemer Group Inc | 206,912 | $35.1M | 0.05% | +637+0.3% | Added |
| Renaissance Technologies LLC | 231,351 | $39.2M | 0.06% | −21,500−8.5% | Reduced |
| Thrivent Financial for Lutherans | 236,005 | $40.0M | 0.07% | −9,243−3.8% | Reduced |
| State Street Corp | 246,959 | $41.9M | 0.00% | +5,832+2.4% | Added |
| Fisher Asset Management, LLC | 251,608 | $42.7M | 0.01% | +251,608 | New |
| Dimensional Fund Advisors LP | 254,841 | $43.2M | 0.01% | −80,946−24.1% | Reduced |
| Geode Capital Management, LLC | 267,950 | $45.5M | 0.00% | +2,803+1.1% | Added |