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 |
|---|---|---|---|---|---|
| Ritholtz Wealth Management | 11,760 | $1.15M | 0.03% | −1,141−8.8% | Reduced |
| Pinnacle Associates Ltd | 14,065 | $1.37M | 0.02% | +1,900+15.6% | Added |
| Perritt Capital Management Inc | 15,330 | $1.50M | 0.77% | −2,402−13.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 15,500 | $1.51M | 0.00% | −20,999−57.5% | Reduced |
| Rhumbline Advisers | 15,972 | $1.56M | 0.00% | +383+2.5% | Added |
| CenterBook Partners LP | 16,586 | $1.62M | 0.09% | −13,184−44.3% | Reduced |
| Franklin Resources Inc | 17,183 | $1.68M | 0.00% | +2,037+13.4% | Added |
| O'Shaughnessy Asset Management, LLC | 18,073 | $1.77M | 0.01% | −3,725−17.1% | Reduced |
| Victory Capital Management Inc | 18,521 | $1.81M | 0.00% | −15,272−45.2% | Reduced |
| Swiss National Bank | 19,900 | $1.94M | 0.00% | −300−1.5% | Reduced |
| 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 |
| SG Capital Management LLC | 21,229 | $2.07M | 0.18% | +21,229 | New |
| Barclays PLC | 21,646 | $2.11M | 0.00% | +9,077+72.2% | Added |
| Bank of America Corp | 22,055 | $2.15M | 0.00% | +14,339+185.8% | Added |
| Nuveen, LLC | 22,484 | $2.20M | 0.00% | −5,150−18.6% | Reduced |
| Susquehanna International Group, LLP | 22,827 | $2.23M | 0.00% | +7,054+44.7% | Added |
| Hodges Capital Management Inc. | 23,325 | $2.28M | 0.22% | −14,915−39.0% | Reduced |
| Citadel Advisors LLC | 23,465 | $2.29M | 0.00% | +23,465 | New |
| EAM Investors, LLC | 24,264 | $2.37M | 0.36% | +24,264 | New |
| Acadian Asset Management LLC | 24,649 | $2.41M | 0.00% | −50,921−67.4% | Reduced |
| Royal Bank of Canada | 24,652 | $2.41M | 0.00% | +11,358+85.4% | Added |
| Investors Asset Management of Georgia Inc | 25,207 | $2.46M | 1.14% | −26,494−51.2% | Reduced |
| Legato Capital Management LLC | 26,273 | $2.57M | 0.31% | +4,563+21.0% | Added |
| UBS Group AG | 29,697 | $2.90M | 0.00% | −3,160−9.6% | Reduced |
| Herald Investment Management Ltd | 30,000 | $2.93M | 0.43% | 00.0% | Unchanged |
| Apis Capital Advisors, LLC | 30,800 | $3.01M | 1.07% | +9,400+43.9% | Added |
| Morgan Stanley | 31,041 | $3.03M | 0.00% | −14,165−31.3% | Reduced |
| Expect Equity LLC | 32,211 | $3.15M | 3.36% | −1,000−3.0% | Reduced |
| Millennium Management LLC | 32,783 | $3.20M | 0.00% | +32,783 | New |
| Potrero Capital Research LLC | 33,500 | $3.27M | 1.52% | −141,328−80.8% | Reduced |
| UBS Asset Management Americas Inc | 33,857 | $3.31M | 0.00% | +13,603+67.2% | Added |
| Goldman Sachs Group Inc | 37,261 | $3.64M | 0.00% | +3,351+9.9% | Added |
| Lazard Asset Management LLC | 39,089 | $3.82M | 0.01% | +10,530+36.9% | Added |
| Paragon Associates & Paragon Associates II Joint Venture | 40,000 | $3.91M | 6.21% | −22,000−35.5% | Reduced |
| Dean Capital Management | 41,960 | $4.10M | 1.68% | +7,498+21.8% | Added |
| LSV Asset Management | 43,100 | $4.21M | 0.01% | −69,500−61.7% | Reduced |
| Isthmus Partners, LLC | 47,359 | $4.63M | 0.54% | −30.0% | Reduced |
| Russell Investments Group, Ltd. | 48,933 | $4.78M | 0.01% | −1,953−3.8% | Reduced |
| Boston Partners | 51,307 | $5.01M | 0.01% | +13,234+34.8% | 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 |
| Dean Investment Associates, LLC | 52,111 | $5.09M | 0.75% | +3,628+7.5% | Added |
| Portolan Capital Management, LLC | 62,526 | $6.11M | 0.38% | −121,698−66.1% | Reduced |
| Bank of New York Mellon Corp | 62,635 | $6.12M | 0.00% | +4,332+7.4% | Added |
| Roubaix Capital, LLC | 64,612 | $6.31M | 3.03% | −5,668−8.1% | Reduced |
| Santa Monica Partners LP | 67,634 | $6.61M | 3.85% | 00.0% | Unchanged |
| Ballast Asset Management, LP | 69,366 | $6.78M | 3.52% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 81,566 | $7.97M | 0.03% | +81,566 | New |
| Charles Schwab Investment Management Inc | 98,602 | $9.63M | 0.00% | +1,211+1.2% | Added |
| Northern Trust Corp | 108,319 | $10.6M | 0.00% | −2,573−2.3% | Reduced |
| Granahan Investment Management Inc | 108,912 | $10.6M | 0.43% | −42,569−28.1% | Reduced |
| Brown Advisory Inc | 132,039 | $12.9M | 0.02% | −8,891−6.3% | Reduced |
| Invesco Ltd. | 137,408 | $13.4M | 0.00% | −36,573−21.0% | Reduced |
| Thrivent Financial for Lutherans | 147,070 | $14.4M | 0.03% | −22,255−13.1% | Reduced |
| Price T Rowe Associates Inc | 152,974 | $14.9M | 0.00% | +148,424+3,262.1% | Added |
| T. Rowe Price Investment Management, Inc. | 172,296 | $16.8M | 0.01% | +172,296 | New |
| Loomis Sayles & Co L P | 196,519 | $19.2M | 0.02% | +1,577+0.8% | Added |
| GW&K Investment Management, LLC | 215,648 | $21.1M | 0.19% | −2,350−1.1% | Reduced |
| State Street Corp | 239,572 | $23.4M | 0.00% | +6,379+2.7% | Added |
| Makaira Partners LLC | 245,999 | $24.0M | 7.31% | 00.0% | Unchanged |
| American Century Companies Inc | 264,864 | $25.9M | 0.01% | −92,267−25.8% | Reduced |
| FMR LLC | 274,618 | $26.8M | 0.00% | +272,131+10,942.1% | Added |
| Renaissance Technologies LLC | 283,451 | $27.7M | 0.04% | −40,300−12.4% | Reduced |
| Wasatch Advisors Inc | 284,014 | $27.7M | 0.15% | +71,390+33.6% | Added |
| Geode Capital Management, LLC | 321,922 | $31.5M | 0.00% | +8,243+2.6% | Added |
| Bessemer Group Inc | 325,800 | $31.8M | 0.05% | +71,895+28.3% | Added |
| Royce & Associates LP | 382,452 | $37.4M | 0.38% | −35,149−8.4% | Reduced |
| Massachusetts Financial Services Co | 385,817 | $37.7M | 0.01% | +328,643+574.8% | Added |
| Advisory Research Inc | 390,858 | $38.2M | 5.87% | +15,769+4.2% | Added |
| Janus Henderson Group PLC | 427,395 | $41.8M | 0.02% | +23,071+5.7% | Added |
| Dimensional Fund Advisors LP | 645,524 | $63.1M | 0.01% | −69,134−9.7% | Reduced |
| BlackRock, Inc. | 830,103 | $81.1M | 0.00% | −10,576−1.3% | Reduced |
| Vanguard Group Inc | 910,114 | $88.9M | 0.00% | −6,983−0.8% | Reduced |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −34,700−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −23,649−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −13,235−100.0% | Sold out |
| Templeton & Phillips Capital Management, LLC | 0 | $0 | 0.00% | −12,526−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −9,989−100.0% | Sold out |
| Manatuck Hill Partners, LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −6,700−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −6,017−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −5,065−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −4,411−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −4,114−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −4,351−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −3,621−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −3,419−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −3,100−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −2,999−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −792−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −347−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −173−100.0% | Sold out |
| Wayfinding Financial, LLC | 0 | $0 | 0.00% | −153−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |