Bel Fuse Inc. Class BBELFB
13F holders, Q3 2025 (September 30)197holders +23
45new positions
23sold out
5famous investors
$140.56avg. 13F price*
At the end of Q3 2025, 197 institutions reported holding Bel Fuse Inc. Class B (BELFB) in their 13F filings, up 23 from Q2 2025. 45 opened new positions and 23 sold out. The largest holders were Vanguard Group Inc. ($128.1M), BlackRock, Inc. ($118.2M) and FMR LLC ($86.1M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Bel Fuse Inc. Class B
- CUSIP
- 077347300
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 45 | $55.0M |
| Exits | 23 | $31.5M |
All 13F filers, Q2 2025 → Q3 2025: 1,692,470 shares bought and 1,997,160 shares sold, net −304,690 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 197 holders
| Vanguard Group Inc. | 0.00% | Reduce -0.2% | 908,032 | $128.1M |
| BlackRock, Inc. | 0.00% | Add +1.0% | 838,432 | $118.2M |
| FMR LLC | 0.00% | Add +122.3% | 610,432 | $86.1M |
| Janus Henderson Group PLC | 0.03% | Add +21.6% | 519,503 | $73.3M |
| T. Rowe Price Associates Inc. | 0.01% | Add +212.9% | 478,698 | $67.5M |
| T. Rowe Price Investment Management, Inc. | 0.03% | Add +107.4% | 357,269 | $50.4M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -48.0% | 335,787 | $47.4M |
| Geode Capital Management, LLC | 0.00% | Reduce -17.6% | 265,147 | $37.4M |
| Renaissance Technologies | 0.05% | Reduce -10.8% | 252,851 | $35.7M |
| Thrivent Financial for Lutherans | 0.07% | Add +66.8% | 245,248 | $34.6M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -36.6% | 244,512 | $34.5M |
| State Street Corp. | 0.00% | Add +0.7% | 241,127 | $34.0M |
| Wasatch Advisors LP | 0.18% | Reduce -17.1% | 235,518 | $33.2M |
| Bessemer Group Inc. | 0.04% | Reduce -36.7% | 206,275 | $29.1M |
| Loomis Sayles & Co. L P | 0.03% | Add +1.9% | 200,360 | $28.3M |
| Royce & Associates LP | 0.28% | Reduce -47.6% | 200,297 | $28.2M |
| GW&K Investment Management, LLC | 0.24% | Reduce -9.4% | 195,351 | $27.5M |
| Advisory Research Inc. | 3.58% | Reduce -50.5% | 193,560 | $27.3M |
| Invesco Ltd. | 0.00% | Add +27.1% | 174,583 | $24.6M |
| American Century Companies Inc. | 0.01% | Reduce -35.2% | 171,548 | $24.2M |
| Brown Advisory Inc. | 0.02% | Reduce -2.9% | 128,245 | $18.1M |
| Portolan Capital Management, LLC | 0.94% | Add +97.9% | 123,766 | $17.5M |
| Northern Trust Corp. | 0.00% | Reduce -0.2% | 108,088 | $15.2M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 103,082 | $14.5M |
| Makaira Partners LLC | 7.24% | Reduce -59.4% | 100,000 | $14.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.4% | 99,032 | $14.0M |
| Citadel Advisors | 0.01% | Add +309.3% | 96,050 | $13.5M |
| Granahan Investment Management, LLC | 0.50% | Reduce -19.8% | 87,310 | $12.3M |
| Jane Street Group, LLC | 0.01% | New | 72,480 | $10.2M |
| Santa Monica Partners LP | 5.60% | No change | 67,634 | $9.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.2% | 61,882 | $8.7M |
| Lord, Abbett & Co. LLC | 0.03% | Reduce -24.6% | 61,475 | $8.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +64.3% | 61,218 | $8.6M |
| Boston Partners | 0.01% | Add +8.6% | 55,732 | $7.9M |
| Tema ETFs LLC | 0.62% | Add +2.3% | 52,896 | $7.5M |
| NEOS Investment Management LLC | 0.06% | Add +2.3% | 52,896 | $7.5M |
| Ballast Asset Management, LP | 3.29% | Reduce -26.4% | 51,080 | $7.2M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -15.2% | 41,475 | $5.8M |
| Dean Investment Associates, LLC | 0.77% | Reduce -25.0% | 39,063 | $5.5M |
| Morgan Stanley | 0.00% | Add +22.9% | 38,158 | $5.4M |
| Susquehanna International Group, LLP | 0.01% | Add +52.5% | 34,819 | $4.9M |
| Dean Capital Management | 1.77% | Reduce -23.2% | 32,239 | $4.5M |
| Voloridge Investment Management, LLC | 0.01% | New | 31,498 | $4.4M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.56% | No change | 30,000 | $4.2M |
| Informed Momentum Co LLC | 0.43% | Add +11.3% | 27,009 | $3.7M |
| Investors Asset Management of Georgia Inc. /Ga/ | 1.50% | Reduce -1.0% | 24,957 | $3.5M |
| Castleark Management LLC | 0.10% | New | 24,181 | $3.4M |
| Expect Equity LLC | 3.23% | Reduce -27.1% | 23,487 | $3.3M |
| Nuveen, LLC | 0.00% | No change | 22,484 | $3.2M |
| Swiss National Bank | 0.00% | Add +2.5% | 20,400 | $2.9M |
| Legato Capital Management LLC | 0.31% | Reduce -23.2% | 20,179 | $2.8M |
| Polen Capital Management LLC | 0.01% | Reduce -4.2% | 19,539 | $2.8M |
| Tudor Investment Corporation | 0.02% | New | 19,425 | $2.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -46.0% | 18,300 | $2.6M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -5.1% | 17,155 | $2.4M |
| Barclays PLC | 0.00% | Reduce -26.2% | 15,966 | $2.3M |
| Rhumbline Advisers | 0.00% | Reduce -2.0% | 15,653 | $2.2M |
| Manatuck Hill Partners, LLC | 0.72% | New | 15,000 | $2.1M |
| UBS Group AG | 0.00% | Reduce -50.3% | 14,755 | $2.1M |
| Perritt Capital Management Inc | 0.95% | Reduce -7.7% | 14,153 | $2.0M |
| Bank of America Corp. | 0.00% | Reduce -36.5% | 14,015 | $2.0M |
| Victory Capital Management Inc. | 0.00% | Reduce -25.6% | 13,780 | $1.9M |
| Creative Planning | 0.00% | Add +16.8% | 13,158 | $1.9M |
| Potrero Capital Research LLC | 0.54% | Reduce -62.2% | 12,676 | $1.8M |
| Quantbot Technologies LP | 0.05% | New | 11,804 | $1.7M |
| Ritholtz Wealth Management | 0.03% | Reduce -1.5% | 11,582 | $1.6M |
| Acadian Asset Management LLC | 0.00% | Reduce -59.1% | 10,084 | $1.4M |
| Pinnacle Associates Ltd. | 0.02% | Reduce -28.6% | 10,041 | $1.4M |
| Paragon Associates & Paragon Associates II Joint Venture | 2.51% | Reduce -75.0% | 10,000 | $1.4M |
| CenterBook Partners LP | 0.07% | Reduce -39.8% | 9,986 | $1.4M |
| Legal & General Group Plc | 0.00% | Reduce -1.6% | 9,964 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.2% | 9,915 | $1.4M |
| Alliancebernstein L.P. | 0.00% | No change | 9,650 | $1.4M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 9,641 | $1.4M |
| Two Sigma Investments, LP | 0.00% | New | 9,242 | $1.3M |
| Squarepoint Ops LLC | 0.00% | New | 8,991 | $1.3M |
| Corsair Capital Management, L.P. | 0.22% | No change | 8,932 | $1.3M |
| Royal Bank of Canada | 0.00% | Reduce -64.8% | 8,681 | $1.2M |
| Wells Fargo & Company | 0.00% | Add +18.1% | 8,613 | $1.2M |
| LPL Financial LLC | 0.00% | Add +295.2% | 8,549 | $1.2M |
| Credit Agricole S A | 0.00% | — | 8,500 | $1.2M |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 8,287 | $1.2M |
| Blair William & Co. | 0.00% | Reduce -12.3% | 8,025 | $1.1M |
| Deutsche Bank AG | 0.00% | Add +6.1% | 7,504 | $1.1M |
| State of Wisconsin Investment Board | 0.00% | Add +186.2% | 7,473 | $1.1M |
| Millennium Management | 0.00% | Reduce -77.9% | 7,246 | $1.0M |
| Inspire Investing, LLC | 0.10% | New | 7,023 | $990K |
| Formula Growth Ltd. | 0.35% | Add +16.7% | 7,000 | $987K |
| Caxton Associates LLP | 0.03% | New | 6,826 | $963K |
| PFG Advisors | 0.04% | Add +4.6% | 6,572 | $927K |
| Marshall Wace, LLP | 0.00% | New | 6,421 | $905K |
| Balyasny Asset Management L.P. | 0.00% | New | 6,267 | $884K |
| Grandeur Peak Global Advisors, LLC | 0.12% | Reduce -5.1% | 6,263 | $883K |
| MetLife Investment Management, LLC | 0.00% | New | 6,221 | $877K |
| Dark Forest Capital Management LP | 0.03% | New | 6,132 | $865K |
| TD Asset Management Inc | 0.00% | New | 5,938 | $837K |
| Two Sigma Advisers, LP | 0.00% | Reduce -8.0% | 5,738 | $809K |
| Qube Research & Technologies Ltd | 0.00% | New | 5,575 | $786K |
| Koss-Olinger Consulting, LLC | 0.06% | No change | 7,932 | $775K |
| Osaic Holdings, Inc. | 0.00% | Reduce -21.1% | 5,562 | $750K |
"% of holder's portfolio" is BELFB's weight in each manager's 13F, not the share of Bel Fuse Inc. Class B the manager owns.