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 2026
Institutional positions in Bel Fuse Inc as of Mar 31, 2026. 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
- 235
- +34 vs. Q4 2025
- Shares held
- 10.3M
- +1.14M (+12.4%) vs. Q4 2025
- Total value
- $2.05B
- +$488.9M (+31.3%) vs. Q4 2025
- New holders
- 60
- 77 more added
- Sold out
- 26
- 69 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SRS Capital Advisors, Inc. | 1 | $198 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 1 | $198 | 0.00% | +1 | New |
| Investors Portfolio Services LLC | 1 | $276 | 0.00% | +1 | New |
| Sunbelt Securities, Inc. | 2 | $396 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 2 | $396 | 0.00% | +2 | New |
| Twin Peaks Wealth Advisors, LLC | 6 | $1.19K | 0.00% | +6 | New |
| Rialto Wealth Management, LLC | 7 | $1.39K | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 7 | $1.39K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 7 | $1.39K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 7 | $1.39K | 0.00% | +3+75.0% | Added |
| Cullen/Frost Bankers, Inc. | 7 | $1.39K | 0.00% | +7 | New |
| Root Financial Partners, LLC | 7 | $1.39K | 0.00% | +7 | New |
| Zions Bancorporation, National Association | 10 | $1.98K | 0.00% | +10 | New |
| Allworth Financial LP | 13 | $2.57K | 0.00% | +3+30.0% | Added |
| Colonial Trust Co | 14 | $2.84K | 0.00% | +14 | New |
| True Wealth Design, LLC | 19 | $3.76K | 0.00% | 00.0% | Unchanged |
| LRI Investments, LLC | 21 | $4.16K | 0.00% | +21 | New |
| Rothschild Investment LLC | 22 | $4.36K | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 29 | $5.74K | 0.00% | +29 | New |
| Pinnacle Wealth Planning Services, Inc. | 35 | $6.93K | 0.00% | −1−2.8% | Reduced |
| EverSource Wealth Advisors, LLC | 38 | $7.52K | 0.00% | +8+26.7% | Added |
| WealthCollab, LLC | 46 | $9.11K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 54 | $10.7K | 0.00% | +8+17.4% | Added |
| Smartleaf Asset Management LLC | 64 | $12.7K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 66 | $13.1K | 0.00% | +37+127.6% | Added |
| Kemnay Advisory Services Inc. | 93 | $18.4K | 0.00% | −102−52.3% | Reduced |
| Signaturefd, LLC | 97 | $19.2K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 103 | $20.0K | 0.01% | −478−82.3% | Reduced |
| Public Employees Retirement System of Ohio | 118 | $23.4K | 0.00% | −21−15.1% | Reduced |
| Farther Finance Advisors, LLC | 121 | $24.6K | 0.00% | −28−18.8% | Reduced |
| Nisa Investment Advisors, LLC | 135 | $26.7K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 142 | $28.1K | 0.00% | +6+4.4% | Added |
| Aster Capital Management (DIFC) Ltd | 396 | $29.6K | 0.01% | +396 | New |
| State of Wyoming | 153 | $30.3K | 0.00% | +153 | New |
| GAMMA Investing LLC | 187 | $37.0K | 0.00% | +19+11.3% | Added |
| KBC Group NV | 192 | $38.0K | 0.00% | +192 | New |
| Signature Equity Partners, LLC | 198 | $39.2K | 0.02% | +198 | New |
| Smithfield Trust Co | 232 | $46.0K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 242 | $47.9K | 0.00% | −7−2.8% | Reduced |
| The PNC Financial Services Group, Inc. | 286 | $56.6K | 0.00% | +48+20.2% | Added |
| Royal Bank of Canada | 293 | $58.0K | 0.00% | −159−35.2% | Reduced |
| CWM, LLC | 317 | $62.8K | 0.00% | +10+3.3% | Added |
| Sterling Capital Management LLC | 345 | $68.3K | 0.00% | −260−43.0% | Reduced |
| Transamerica Financial Advisors, Inc. | 356 | $70.5K | 0.01% | +356 | New |
| Caitong International Asset Management Co., Ltd | 407 | $80.6K | 0.01% | +281+223.0% | Added |
| Fifth Third Bancorp | 504 | $99.8K | 0.00% | +504 | New |
| Federated Hermes, Inc. | 525 | $103.9K | 0.00% | +244+86.8% | Added |
| State of Alaska, Department of Revenue | 557 | $110.0K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 732 | $144.9K | 0.01% | 00.0% | Unchanged |
| IFP Advisors, Inc | 750 | $148.5K | 0.00% | +750 | New |
| Acadian Asset Management LLC | 821 | $162.0K | 0.00% | −8,014−90.7% | Reduced |
| Ameritas Investment Partners, Inc. | 869 | $172.0K | 0.01% | 00.0% | Unchanged |
| GWM Advisors LLC | 970 | $192.0K | 0.00% | −3−0.3% | Reduced |
| Great West Life Assurance Co | 974 | $194.0K | 0.00% | −503−34.1% | Reduced |
| Fox Run Management, L.L.C. | 1,025 | $202.8K | 0.04% | +1,025 | New |
| Magnetar Financial LLC | 1,069 | $211.6K | 0.00% | +1,069 | New |
| Hohimer Wealth Management, LLC | 1,091 | $216.0K | 0.03% | −415−27.6% | Reduced |
| Dark Forest Capital Management LP | 1,127 | $223.1K | 0.02% | −6,257−84.7% | Reduced |
| Blueshift Asset Management, LLC | 1,136 | $224.9K | 0.07% | +1,136 | New |
| Walleye Capital LLC | 1,211 | $239.8K | 0.00% | +1,211 | New |
| D'Orazio & Associates, Inc. | 1,296 | $256.6K | 0.03% | 00.0% | Unchanged |
| Bailard, Inc. | 1,300 | $257.4K | 0.01% | +1,300 | New |
| Swiss Life Asset Management Ltd | 1,313 | $259.9K | 0.00% | −257−16.4% | Reduced |
| Templeton & Phillips Capital Management, LLC | 1,443 | $285.7K | 0.23% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 1,445 | $286.1K | 0.01% | +1,445 | New |
| Virginia Retirement Systems Et Al | 1,450 | $287.1K | 0.00% | +1,450 | New |
| ProShare Advisors LLC | 1,507 | $298.4K | 0.00% | −394−20.7% | Reduced |
| Tower Research Capital LLC (TRC) | 1,513 | $299.5K | 0.01% | +1,347+811.4% | Added |
| Prudential Financial Inc | 1,631 | $322.9K | 0.00% | +1,631 | New |
| Lido Advisors, LLC | 1,643 | $325.3K | 0.00% | +1+0.1% | Added |
| Prelude Capital Management, LLC | 1,661 | $328.8K | 0.03% | +1,661 | New |
| Truvestments Capital LLC | 1,668 | $330.2K | 0.06% | −327−16.4% | Reduced |
| Cetera Investment Advisers | 1,727 | $341.9K | 0.00% | +11+0.6% | Added |
| Empowered Funds, LLC | 1,774 | $351.2K | 0.00% | +1,774 | New |
| Truist Financial Corp | 1,797 | $355.8K | 0.00% | +1,797 | New |
| Hillsdale Investment Management Inc. | 1,850 | $366.3K | 0.01% | +1,800+3,600.0% | Added |
| Round Rock Advisors, LLC | 1,855 | $367.3K | 0.06% | +36+2.0% | Added |
| STRS Ohio | 1,900 | $376.2K | 0.00% | +100+5.6% | Added |
| Sentinus, LLC | 1,901 | $376.3K | 0.03% | −12,150−86.5% | Reduced |
| Colony Group, LLC | 1,916 | $379.3K | 0.00% | −531−21.7% | Reduced |
| FourThought Financial Partners, LLC | 1,965 | $389.0K | 0.03% | +24+1.2% | Added |
| Advisor Group Holdings, Inc. | 2,014 | $398.7K | 0.00% | −219−9.8% | Reduced |
| Voya Investment Management LLC | 2,049 | $405.7K | 0.00% | −115−5.3% | Reduced |
| Pictet Asset Management Holding SA | 2,074 | $410.6K | 0.00% | +290+16.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 2,105 | $416.7K | 0.00% | 00.0% | Unchanged |
| Navellier & Associates Inc | 2,126 | $420.9K | 0.04% | +2,126 | New |
| NBC Securities, Inc. | 2,145 | $424.7K | 0.03% | +1,515+240.5% | Added |
| KLP Kapitalforvaltning AS | 2,300 | $455.4K | 0.00% | +100+4.5% | Added |
| Vise Technologies, Inc. | 2,853 | $484.0K | 0.01% | 00.0% | Unchanged |
| HSBC Holdings PLC | 2,528 | $492.6K | 0.00% | +2,528 | New |
| Vanguard Investments Australia, Ltd. | 2,507 | $496.3K | 0.00% | +2,507 | New |
| Pinnacle Wealth Management Advisory Group, LLC | 2,676 | $529.8K | 0.04% | −324−10.8% | Reduced |
| Argent Capital Management LLC | 2,816 | $557.5K | 0.02% | +2,816 | New |
| Dynamic Technology Lab Private Ltd | 2,860 | $566.2K | 0.09% | +2,860 | New |
| Police & Firemen's Retirement System of New Jersey | 2,881 | $570.4K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 2,896 | $573.4K | 0.00% | −46−1.6% | Reduced |
| State Board of Administration of Florida Retirement System | 2,918 | $577.7K | 0.00% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 2,964 | $586.8K | 0.01% | +2,964 | New |
| Intech Investment Management LLC | 3,008 | $595.5K | 0.01% | −1,111−27.0% | Reduced |
| Keybank National Association | 3,010 | $595.9K | 0.00% | 00.0% | Unchanged |