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, Q3 2025
Institutional positions in Bel Fuse Inc as of Sep 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
- 197
- +23 vs. Q2 2025
- Shares held
- 9.34M
- −296.2K (−3.1%) vs. Q2 2025
- Total value
- $1.31B
- +$371.7M (+39.5%) vs. Q2 2025
- New holders
- 46
- 53 more added
- Sold out
- 23
- 71 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Advisers, LP | 5,738 | $809.2K | 0.00% | −500−8.0% | Reduced |
| TD Asset Management Inc | 5,938 | $837.4K | 0.00% | +5,938 | New |
| Dark Forest Capital Management LP | 6,132 | $864.7K | 0.03% | +6,132 | New |
| MetLife Investment Management | 6,221 | $877.3K | 0.00% | +6,221 | New |
| Grandeur Peak Global Advisors, LLC | 6,263 | $883.2K | 0.12% | −337−5.1% | Reduced |
| Balyasny Asset Management LLC | 6,267 | $883.8K | 0.00% | +6,267 | New |
| Marshall Wace, LLP | 6,421 | $905.5K | 0.00% | +6,421 | New |
| PFG Advisors | 6,572 | $926.8K | 0.04% | +291+4.6% | Added |
| Caxton Associates LLP | 6,826 | $962.6K | 0.03% | +6,826 | New |
| Formula Growth Ltd | 7,000 | $987.1K | 0.35% | +1,000+16.7% | Added |
| CWM Advisors, LLC | 7,023 | $990.4K | 0.10% | +7,023 | New |
| Millennium Management LLC | 7,246 | $1.02M | 0.00% | −25,537−77.9% | Reduced |
| State of Wisconsin Investment Board | 7,473 | $1.05M | 0.00% | +4,862+186.2% | Added |
| Deutsche Bank AG | 7,504 | $1.06M | 0.00% | +432+6.1% | Added |
| Blair William & Co | 8,025 | $1.13M | 0.00% | −1,125−12.3% | Reduced |
| DekaBank Deutsche Girozentrale | 8,287 | $1.16M | 0.00% | 00.0% | Unchanged |
| Credit Agricole S A | 8,500 | $1.20M | 0.00% | +8,500 | New |
| LPL Financial LLC | 8,549 | $1.21M | 0.00% | +6,386+295.2% | Added |
| Wells Fargo & Company | 8,613 | $1.21M | 0.00% | +1,321+18.1% | Added |
| Royal Bank of Canada | 8,681 | $1.23M | 0.00% | −15,971−64.8% | Reduced |
| Corsair Capital Management, L.P. | 8,932 | $1.26M | 0.22% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 8,991 | $1.27M | 0.00% | +8,991 | New |
| Two Sigma Investments, LP | 9,242 | $1.30M | 0.00% | +9,242 | New |
| California State Teachers Retirement System | 9,641 | $1.36M | 0.00% | +10.0% | Added |
| Alliancebernstein L.P. | 9,650 | $1.36M | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 9,915 | $1.40M | 0.00% | −24−0.2% | Reduced |
| Legal & General Group Plc | 9,964 | $1.41M | 0.00% | −163−1.6% | Reduced |
| CenterBook Partners LP | 9,986 | $1.41M | 0.07% | −6,600−39.8% | Reduced |
| Paragon Associates & Paragon Associates II Joint Venture | 10,000 | $1.41M | 2.51% | −30,000−75.0% | Reduced |
| Pinnacle Associates Ltd | 10,041 | $1.42M | 0.02% | −4,024−28.6% | Reduced |
| Acadian Asset Management LLC | 10,084 | $1.42M | 0.00% | −14,565−59.1% | Reduced |
| Ritholtz Wealth Management | 11,582 | $1.63M | 0.03% | −178−1.5% | Reduced |
| Quantbot Technologies LP | 11,804 | $1.66M | 0.05% | +11,804 | New |
| Potrero Capital Research LLC | 12,676 | $1.79M | 0.54% | −20,824−62.2% | Reduced |
| Creative Planning | 13,158 | $1.86M | 0.00% | +1,891+16.8% | Added |
| Victory Capital Management Inc | 13,780 | $1.94M | 0.00% | −4,741−25.6% | Reduced |
| Bank of America Corp | 14,015 | $1.98M | 0.00% | −8,040−36.5% | Reduced |
| Perritt Capital Management Inc | 14,153 | $2.00M | 0.95% | −1,177−7.7% | Reduced |
| UBS Group AG | 14,755 | $2.08M | 0.00% | −14,942−50.3% | Reduced |
| Manatuck Hill Partners, LLC | 15,000 | $2.12M | 0.72% | +15,000 | New |
| Rhumbline Advisers | 15,653 | $2.21M | 0.00% | −319−2.0% | Reduced |
| Barclays PLC | 15,966 | $2.25M | 0.00% | −5,680−26.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 17,155 | $2.42M | 0.01% | −918−5.1% | Reduced |
| UBS Asset Management Americas Inc | 18,300 | $2.58M | 0.00% | −15,557−45.9% | Reduced |
| Tudor Investment Corp Et Al | 19,425 | $2.74M | 0.02% | +19,425 | New |
| Polen Capital Management LLC | 19,539 | $2.76M | 0.01% | −847−4.2% | Reduced |
| Legato Capital Management LLC | 20,179 | $2.85M | 0.31% | −6,094−23.2% | Reduced |
| Swiss National Bank | 20,400 | $2.88M | 0.00% | +500+2.5% | Added |
| Nuveen, LLC | 22,484 | $3.17M | 0.00% | 00.0% | Unchanged |
| Expect Equity LLC | 23,487 | $3.31M | 3.23% | −8,724−27.1% | Reduced |
| Castleark Management LLC | 24,181 | $3.41M | 0.10% | +24,181 | New |
| Investors Asset Management of Georgia Inc | 24,957 | $3.52M | 1.50% | −250−1.0% | Reduced |
| EAM Investors, LLC | 27,009 | $3.75M | 0.43% | +2,745+11.3% | Added |
| Herald Investment Management Ltd | 30,000 | $4.23M | 0.56% | 00.0% | Unchanged |
| Voloridge Investment Management, LLC | 31,498 | $4.44M | 0.01% | +31,498 | New |
| Dean Capital Management | 32,239 | $4.55M | 1.77% | −9,721−23.2% | Reduced |
| Susquehanna International Group, LLP | 34,819 | $4.91M | 0.01% | +11,992+52.5% | Added |
| Morgan Stanley | 38,158 | $5.38M | 0.00% | +7,117+22.9% | Added |
| Dean Investment Associates, LLC | 39,063 | $5.51M | 0.77% | −13,048−25.0% | Reduced |
| Russell Investments Group, Ltd. | 41,475 | $5.85M | 0.01% | −7,458−15.2% | Reduced |
| Ballast Asset Management, LP | 51,080 | $7.20M | 3.29% | −18,286−26.4% | Reduced |
| NEOS Investment Management LLC | 52,896 | $7.46M | 0.06% | +1,179+2.3% | Added |
| Tema ETFs LLC | 52,896 | $7.46M | 0.62% | +1,179+2.3% | Added |
| Boston Partners | 55,732 | $7.86M | 0.01% | +4,425+8.6% | Added |
| Goldman Sachs Group Inc | 61,218 | $8.63M | 0.00% | +23,957+64.3% | Added |
| Lord, Abbett & Co. LLC | 61,475 | $8.67M | 0.03% | −20,091−24.6% | Reduced |
| Bank of New York Mellon Corp | 61,882 | $8.73M | 0.00% | −753−1.2% | Reduced |
| Santa Monica Partners LP | 67,634 | $9.54M | 5.60% | 00.0% | Unchanged |
| Jane Street Group, LLC | 72,480 | $10.2M | 0.01% | +72,480 | New |
| Granahan Investment Management Inc | 87,310 | $12.3M | 0.50% | −21,602−19.8% | Reduced |
| Citadel Advisors LLC | 96,050 | $13.5M | 0.01% | +72,585+309.3% | Added |
| Charles Schwab Investment Management Inc | 99,032 | $14.0M | 0.00% | +430+0.4% | Added |
| Makaira Partners LLC | 100,000 | $14.1M | 7.24% | −145,999−59.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 103,082 | $14.5M | 0.01% | +103,082 | New |
| Northern Trust Corp | 108,088 | $15.2M | 0.00% | −231−0.2% | Reduced |
| Portolan Capital Management, LLC | 123,766 | $17.5M | 0.94% | +61,240+97.9% | Added |
| Brown Advisory Inc | 128,245 | $18.1M | 0.02% | −3,794−2.9% | Reduced |
| American Century Companies Inc | 171,548 | $24.2M | 0.01% | −93,316−35.2% | Reduced |
| Invesco Ltd. | 174,583 | $24.6M | 0.00% | +37,175+27.1% | Added |
| Advisory Research Inc | 193,560 | $27.3M | 3.58% | −197,298−50.5% | Reduced |
| GW&K Investment Management, LLC | 195,351 | $27.5M | 0.24% | −20,297−9.4% | Reduced |
| Royce & Associates LP | 200,297 | $28.2M | 0.28% | −182,155−47.6% | Reduced |
| Loomis Sayles & Co L P | 200,360 | $28.3M | 0.03% | +3,841+2.0% | Added |
| Bessemer Group Inc | 206,275 | $29.1M | 0.04% | −119,525−36.7% | Reduced |
| Wasatch Advisors Inc | 235,518 | $33.2M | 0.18% | −48,496−17.1% | Reduced |
| State Street Corp | 241,127 | $34.0M | 0.00% | +1,555+0.6% | Added |
| Massachusetts Financial Services Co | 244,512 | $34.5M | 0.01% | −141,305−36.6% | Reduced |
| Thrivent Financial for Lutherans | 245,248 | $34.6M | 0.07% | +98,178+66.8% | Added |
| Renaissance Technologies LLC | 252,851 | $35.7M | 0.05% | −30,600−10.8% | Reduced |
| Geode Capital Management, LLC | 265,147 | $37.4M | 0.00% | −56,775−17.6% | Reduced |
| Dimensional Fund Advisors LP | 335,787 | $47.4M | 0.01% | −309,737−48.0% | Reduced |
| T. Rowe Price Investment Management, Inc. | 357,269 | $50.4M | 0.03% | +184,973+107.4% | Added |
| Price T Rowe Associates Inc | 478,698 | $67.5M | 0.01% | +325,724+212.9% | Added |
| Janus Henderson Group PLC | 519,503 | $73.3M | 0.03% | +92,108+21.6% | Added |
| FMR LLC | 610,432 | $86.1M | 0.00% | +335,814+122.3% | Added |
| BlackRock, Inc. | 838,432 | $118.2M | 0.00% | +8,329+1.0% | Added |
| Vanguard Group Inc | 908,032 | $128.1M | 0.00% | −2,082−0.2% | Reduced |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −64,612−100.0% | Sold out |
| LSV Asset Management | 0 | $0 | 0.00% | −43,100−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −39,089−100.0% | Sold out |