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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 908,032 | $128.1M | 0.00% | −2,082−0.2% | Reduced |
| BlackRock, Inc. | 838,432 | $118.2M | 0.00% | +8,329+1.0% | Added |
| FMR LLC | 610,432 | $86.1M | 0.00% | +335,814+122.3% | Added |
| Janus Henderson Group PLC | 519,503 | $73.3M | 0.03% | +92,108+21.6% | Added |
| Price T Rowe Associates Inc | 478,698 | $67.5M | 0.01% | +325,724+212.9% | Added |
| T. Rowe Price Investment Management, Inc. | 357,269 | $50.4M | 0.03% | +184,973+107.4% | Added |
| Dimensional Fund Advisors LP | 335,787 | $47.4M | 0.01% | −309,737−48.0% | Reduced |
| Geode Capital Management, LLC | 265,147 | $37.4M | 0.00% | −56,775−17.6% | Reduced |
| Renaissance Technologies LLC | 252,851 | $35.7M | 0.05% | −30,600−10.8% | Reduced |
| Thrivent Financial for Lutherans | 245,248 | $34.6M | 0.07% | +98,178+66.8% | Added |
| Massachusetts Financial Services Co | 244,512 | $34.5M | 0.01% | −141,305−36.6% | Reduced |
| State Street Corp | 241,127 | $34.0M | 0.00% | +1,555+0.6% | Added |
| Wasatch Advisors Inc | 235,518 | $33.2M | 0.18% | −48,496−17.1% | Reduced |
| Bessemer Group Inc | 206,275 | $29.1M | 0.04% | −119,525−36.7% | Reduced |
| Loomis Sayles & Co L P | 200,360 | $28.3M | 0.03% | +3,841+2.0% | Added |
| Royce & Associates LP | 200,297 | $28.2M | 0.28% | −182,155−47.6% | Reduced |
| GW&K Investment Management, LLC | 195,351 | $27.5M | 0.24% | −20,297−9.4% | Reduced |
| Advisory Research Inc | 193,560 | $27.3M | 3.58% | −197,298−50.5% | Reduced |
| Invesco Ltd. | 174,583 | $24.6M | 0.00% | +37,175+27.1% | Added |
| American Century Companies Inc | 171,548 | $24.2M | 0.01% | −93,316−35.2% | Reduced |
| Brown Advisory Inc | 128,245 | $18.1M | 0.02% | −3,794−2.9% | Reduced |
| Portolan Capital Management, LLC | 123,766 | $17.5M | 0.94% | +61,240+97.9% | Added |
| Northern Trust Corp | 108,088 | $15.2M | 0.00% | −231−0.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 103,082 | $14.5M | 0.01% | +103,082 | New |
| Makaira Partners LLC | 100,000 | $14.1M | 7.24% | −145,999−59.3% | Reduced |
| Charles Schwab Investment Management Inc | 99,032 | $14.0M | 0.00% | +430+0.4% | Added |
| Citadel Advisors LLC | 96,050 | $13.5M | 0.01% | +72,585+309.3% | Added |
| Granahan Investment Management Inc | 87,310 | $12.3M | 0.50% | −21,602−19.8% | Reduced |
| Jane Street Group, LLC | 72,480 | $10.2M | 0.01% | +72,480 | New |
| Santa Monica Partners LP | 67,634 | $9.54M | 5.60% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 61,882 | $8.73M | 0.00% | −753−1.2% | Reduced |
| Lord, Abbett & Co. LLC | 61,475 | $8.67M | 0.03% | −20,091−24.6% | Reduced |
| Goldman Sachs Group Inc | 61,218 | $8.63M | 0.00% | +23,957+64.3% | Added |
| Boston Partners | 55,732 | $7.86M | 0.01% | +4,425+8.6% | Added |
| 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 |
| Ballast Asset Management, LP | 51,080 | $7.20M | 3.29% | −18,286−26.4% | Reduced |
| Russell Investments Group, Ltd. | 41,475 | $5.85M | 0.01% | −7,458−15.2% | Reduced |
| Dean Investment Associates, LLC | 39,063 | $5.51M | 0.77% | −13,048−25.0% | Reduced |
| Morgan Stanley | 38,158 | $5.38M | 0.00% | +7,117+22.9% | Added |
| Susquehanna International Group, LLP | 34,819 | $4.91M | 0.01% | +11,992+52.5% | Added |
| Dean Capital Management | 32,239 | $4.55M | 1.77% | −9,721−23.2% | Reduced |
| Voloridge Investment Management, LLC | 31,498 | $4.44M | 0.01% | +31,498 | New |
| Herald Investment Management Ltd | 30,000 | $4.23M | 0.56% | 00.0% | Unchanged |
| EAM Investors, LLC | 27,009 | $3.75M | 0.43% | +2,745+11.3% | Added |
| Investors Asset Management of Georgia Inc | 24,957 | $3.52M | 1.50% | −250−1.0% | Reduced |
| Castleark Management LLC | 24,181 | $3.41M | 0.10% | +24,181 | New |
| Expect Equity LLC | 23,487 | $3.31M | 3.23% | −8,724−27.1% | Reduced |
| Nuveen, LLC | 22,484 | $3.17M | 0.00% | 00.0% | Unchanged |
| Swiss National Bank | 20,400 | $2.88M | 0.00% | +500+2.5% | Added |
| Legato Capital Management LLC | 20,179 | $2.85M | 0.31% | −6,094−23.2% | Reduced |
| Polen Capital Management LLC | 19,539 | $2.76M | 0.01% | −847−4.2% | Reduced |
| Tudor Investment Corp Et Al | 19,425 | $2.74M | 0.02% | +19,425 | New |
| UBS Asset Management Americas Inc | 18,300 | $2.58M | 0.00% | −15,557−45.9% | Reduced |
| O'Shaughnessy Asset Management, LLC | 17,155 | $2.42M | 0.01% | −918−5.1% | Reduced |
| Barclays PLC | 15,966 | $2.25M | 0.00% | −5,680−26.2% | Reduced |
| Rhumbline Advisers | 15,653 | $2.21M | 0.00% | −319−2.0% | Reduced |
| Manatuck Hill Partners, LLC | 15,000 | $2.12M | 0.72% | +15,000 | New |
| UBS Group AG | 14,755 | $2.08M | 0.00% | −14,942−50.3% | Reduced |
| Perritt Capital Management Inc | 14,153 | $2.00M | 0.95% | −1,177−7.7% | Reduced |
| Bank of America Corp | 14,015 | $1.98M | 0.00% | −8,040−36.5% | Reduced |
| Victory Capital Management Inc | 13,780 | $1.94M | 0.00% | −4,741−25.6% | Reduced |
| Creative Planning | 13,158 | $1.86M | 0.00% | +1,891+16.8% | Added |
| Potrero Capital Research LLC | 12,676 | $1.79M | 0.54% | −20,824−62.2% | Reduced |
| Quantbot Technologies LP | 11,804 | $1.66M | 0.05% | +11,804 | New |
| Ritholtz Wealth Management | 11,582 | $1.63M | 0.03% | −178−1.5% | Reduced |
| Acadian Asset Management LLC | 10,084 | $1.42M | 0.00% | −14,565−59.1% | Reduced |
| Pinnacle Associates Ltd | 10,041 | $1.42M | 0.02% | −4,024−28.6% | Reduced |
| Paragon Associates & Paragon Associates II Joint Venture | 10,000 | $1.41M | 2.51% | −30,000−75.0% | Reduced |
| CenterBook Partners LP | 9,986 | $1.41M | 0.07% | −6,600−39.8% | Reduced |
| Legal & General Group Plc | 9,964 | $1.41M | 0.00% | −163−1.6% | Reduced |
| JPMorgan Chase & Co | 9,915 | $1.40M | 0.00% | −24−0.2% | Reduced |
| Alliancebernstein L.P. | 9,650 | $1.36M | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 9,641 | $1.36M | 0.00% | +10.0% | Added |
| Two Sigma Investments, LP | 9,242 | $1.30M | 0.00% | +9,242 | New |
| Squarepoint Ops LLC | 8,991 | $1.27M | 0.00% | +8,991 | New |
| Corsair Capital Management, L.P. | 8,932 | $1.26M | 0.22% | 00.0% | Unchanged |
| Royal Bank of Canada | 8,681 | $1.23M | 0.00% | −15,971−64.8% | Reduced |
| Wells Fargo & Company | 8,613 | $1.21M | 0.00% | +1,321+18.1% | Added |
| LPL Financial LLC | 8,549 | $1.21M | 0.00% | +6,386+295.2% | Added |
| Credit Agricole S A | 8,500 | $1.20M | 0.00% | +8,500 | New |
| DekaBank Deutsche Girozentrale | 8,287 | $1.16M | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 8,025 | $1.13M | 0.00% | −1,125−12.3% | Reduced |
| Deutsche Bank AG | 7,504 | $1.06M | 0.00% | +432+6.1% | Added |
| State of Wisconsin Investment Board | 7,473 | $1.05M | 0.00% | +4,862+186.2% | Added |
| Millennium Management LLC | 7,246 | $1.02M | 0.00% | −25,537−77.9% | Reduced |
| CWM Advisors, LLC | 7,023 | $990.4K | 0.10% | +7,023 | New |
| Formula Growth Ltd | 7,000 | $987.1K | 0.35% | +1,000+16.7% | Added |
| Caxton Associates LLP | 6,826 | $962.6K | 0.03% | +6,826 | New |
| PFG Advisors | 6,572 | $926.8K | 0.04% | +291+4.6% | Added |
| Marshall Wace, LLP | 6,421 | $905.5K | 0.00% | +6,421 | New |
| Balyasny Asset Management LLC | 6,267 | $883.8K | 0.00% | +6,267 | New |
| Grandeur Peak Global Advisors, LLC | 6,263 | $883.2K | 0.12% | −337−5.1% | Reduced |
| MetLife Investment Management | 6,221 | $877.3K | 0.00% | +6,221 | New |
| Dark Forest Capital Management LP | 6,132 | $864.7K | 0.03% | +6,132 | New |
| TD Asset Management Inc | 5,938 | $837.4K | 0.00% | +5,938 | New |
| Two Sigma Advisers, LP | 5,738 | $809.2K | 0.00% | −500−8.0% | Reduced |
| Qube Research & Technologies Ltd | 5,575 | $786.2K | 0.00% | +5,575 | New |
| Koss-Olinger Consulting, LLC | 7,932 | $775.0K | 0.06% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,562 | $749.9K | 0.00% | −1,486−21.1% | Reduced |