Bel Fuse Inc. Class BBELFB
13F holders, Q1 2026 (March 31)235holders +28
53new positions
24sold out
5famous investors
$198.03avg. 13F price*
At the end of Q1 2026, 235 institutions reported holding Bel Fuse Inc. Class B (BELFB) in their 13F filings, up 28 from Q4 2025. 53 opened new positions and 24 sold out. The largest holders were BlackRock, Inc. ($167.7M), T. Rowe Price Associates Inc. ($153.1M) and Janus Henderson Group PLC ($150.6M). 5 famous investors held it, including Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio), Ken Fisher (0.0% of Fisher Asset Management'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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $66.6M |
| Exits | 24 | $39.4M |
All 13F filers, Q4 2025 → Q1 2026: 1,433,419 shares bought and 1,153,536 shares sold, net +279,883 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 235 holders
| BlackRock, Inc. | 0.00% | Reduce -2.2% | 846,920 | $167.7M |
| T. Rowe Price Associates Inc. | 0.02% | Reduce -7.3% | 773,475 | $153.1M |
| Janus Henderson Group PLC | 0.07% | Add +22.7% | 760,141 | $150.6M |
| FMR LLC | 0.01% | Reduce -5.5% | 631,307 | $125.0M |
| T. Rowe Price Investment Management, Inc. | 0.08% | Add +10.4% | 572,919 | $113.4M |
| Vanguard Capital Management LLC | 0.00% | — | 489,081 | $96.8M |
| Wasatch Advisors LP | 0.63% | Add +16.6% | 478,709 | $94.8M |
| Vanguard Portfolio Management LLC | 0.00% | — | 329,461 | $65.2M |
| Geode Capital Management, LLC | 0.00% | Add +15.0% | 308,048 | $61.0M |
| Dimensional Fund Advisors LP | 0.01% | Add +0.8% | 256,833 | $50.9M |
| JPMorgan Chase & Co. | 0.00% | Add +74.0% | 249,387 | $49.3M |
| State Street Corp. | 0.00% | Reduce -1.8% | 242,454 | $48.0M |
| Fisher Asset Management | 0.01% | Reduce -14.3% | 215,648 | $42.7M |
| Renaissance Technologies | 0.07% | Reduce -7.6% | 213,872 | $42.3M |
| Thrivent Financial for Lutherans | 0.07% | Reduce -20.3% | 188,056 | $37.2M |
| Lord, Abbett & Co. LLC | 0.11% | Add +172.4% | 167,404 | $33.1M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -27.4% | 145,648 | $28.8M |
| Tidal Investments LLC | 0.09% | New | 141,791 | $28.1M |
| Bessemer Group Inc. | 0.04% | Reduce -33.6% | 137,318 | $27.2M |
| Tema ETFs LLC | 1.77% | Add +48.3% | 133,318 | $26.4M |
| GW&K Investment Management, LLC | 0.23% | Reduce -19.6% | 130,419 | $25.8M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -11.2% | 123,498 | $24.5M |
| Advisory Research Inc. | 2.90% | Reduce -11.4% | 119,364 | $23.6M |
| Franklin Resources Inc. | 0.01% | Add +829.6% | 114,353 | $22.6M |
| Northern Trust Corp. | 0.00% | Add +3.9% | 104,880 | $20.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.5% | 97,672 | $19.3M |
| Allspring Global Investments Holdings, LLC | 0.03% | Add +364600.0% | 94,822 | $19.3M |
| Royce & Associates LP | 0.19% | Add +5.6% | 97,173 | $19.2M |
| Goldman Sachs Group Inc. | 0.00% | Add +3.9% | 84,150 | $16.7M |
| Brown Advisory Inc. | 0.03% | Reduce -30.5% | 82,149 | $16.3M |
| Invesco Ltd. | 0.00% | Reduce -56.3% | 74,026 | $14.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 70,822 | $14.0M |
| Santa Monica Partners LP | 7.47% | No change | 67,634 | $13.4M |
| Boston Partners | 0.01% | Add +4.5% | 65,443 | $13.0M |
| Morgan Stanley | 0.00% | Add +47.4% | 61,252 | $12.1M |
| Susquehanna International Group, LLP | 0.02% | Add +442.1% | 60,018 | $11.9M |
| First Trust Advisors LP | 0.01% | Add +6.7% | 58,028 | $11.5M |
| UBS Group AG | 0.00% | Add +22.9% | 57,231 | $11.3M |
| Portolan Capital Management, LLC | 0.56% | Reduce -61.9% | 53,170 | $10.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.6% | 51,236 | $10.1M |
| Nomura Asset Management International Inc. | 0.02% | Add +38.3% | 50,956 | $10.1M |
| Polen Capital Management LLC | 0.06% | Add +92.4% | 43,339 | $8.6M |
| Jane Street Group, LLC | 0.01% | New | 38,350 | $7.6M |
| Grandeur Peak Global Advisors, LLC | 1.71% | Reduce -3.3% | 36,892 | $7.3M |
| Sei Investments Co. | 0.01% | Add +31.4% | 35,669 | $7.1M |
| Voloridge Investment Management, LLC | 0.03% | Reduce -13.6% | 35,081 | $6.9M |
| Raymond James Financial Inc. | 0.00% | Add +66.0% | 34,992 | $6.9M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -0.1% | 34,367 | $6.8M |
| LPL Financial LLC | 0.00% | Add +133.1% | 33,618 | $6.7M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -66.0% | 32,977 | $6.5M |
| Citadel Advisors | 0.00% | Add +724.1% | 32,527 | $6.4M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.83% | No change | 30,000 | $5.9M |
| Victory Capital Management Inc. | 0.00% | Reduce -13.1% | 29,560 | $5.9M |
| Nitor Capital Management LLC | 3.87% | No change | 25,400 | $5.0M |
| Investors Asset Management of Georgia Inc. /Ga/ | 2.01% | Reduce -0.6% | 24,807 | $4.9M |
| Envestnet Asset Management Inc. | 0.00% | Add +410.0% | 24,470 | $4.8M |
| Informed Momentum Co LLC | 0.55% | Reduce -9.3% | 24,022 | $4.8M |
| Ballast Asset Management, LP | 2.09% | Reduce -43.5% | 23,727 | $4.7M |
| Credit Agricole S A | 0.02% | Add +178.8% | 23,700 | $4.7M |
| Nuveen, LLC | 0.00% | Add +3.1% | 22,676 | $4.5M |
| Dean Investment Associates, LLC | 0.59% | Reduce -38.8% | 21,145 | $4.2M |
| Swiss National Bank | 0.00% | No change | 20,800 | $4.1M |
| State of Wisconsin Investment Board | 0.01% | Reduce -9.2% | 20,787 | $4.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +0.6% | 19,270 | $3.8M |
| Emerald Investment Advisers, LLC | 0.34% | — | 19,097 | $3.8M |
| Creative Planning | 0.00% | Add +25.4% | 18,826 | $3.7M |
| SG Americas Securities, LLC | 0.00% | Add +277.3% | 17,642 | $3.5M |
| Rockefeller Capital Management L.P. | 0.01% | Add +44187.2% | 17,272 | $3.4M |
| Castleark Management LLC | 0.11% | Reduce -50.7% | 16,311 | $3.2M |
| Phocas Financial Corp. | 0.47% | Reduce -33.8% | 15,277 | $3.0M |
| Dean Capital Management | 1.22% | Reduce -36.8% | 14,847 | $2.9M |
| Principal Financial Group Inc. | 0.00% | New | 14,722 | $2.9M |
| O'shaughnessy Asset Management, LLC | 0.01% | Reduce -1.1% | 14,609 | $2.9M |
| Two Sigma Investments, LP | 0.00% | New | 14,584 | $2.9M |
| TD Asset Management Inc | 0.00% | Add +8.0% | 13,498 | $2.7M |
| Rhumbline Advisers | 0.00% | Add +0.3% | 13,367 | $2.6M |
| California State Teachers Retirement System | 0.00% | Add +37.2% | 13,217 | $2.6M |
| North Star Investment Management Corp. | 0.15% | Add +2181.8% | 12,550 | $2.5M |
| Bridges Investment Management Inc. | 0.03% | New | 12,425 | $2.5M |
| BNP Paribas Financial Markets | 0.00% | Add +424.3% | 12,248 | $2.4M |
| Qube Research & Technologies Ltd | 0.00% | Reduce -20.4% | 11,752 | $2.3M |
| Legato Capital Management LLC | 0.21% | Reduce -7.2% | 11,514 | $2.3M |
| Integrated Quantitative Investments LLC | 0.41% | Add +337.8% | 11,467 | $2.3M |
| Expect Equity LLC | 1.70% | Reduce -40.3% | 11,061 | $2.2M |
| Ritholtz Wealth Management | 0.04% | Reduce -2.4% | 11,016 | $2.2M |
| Bank of America Corp. | 0.00% | Add +0.9% | 10,348 | $2.0M |
| Alliancebernstein L.P. | 0.00% | Add +5.1% | 11,244 | $1.9M |
| Precision Wealth Strategies, LLC | 0.62% | New | 9,416 | $1.9M |
| Pinnacle Associates Ltd. | 0.02% | Reduce -11.3% | 8,906 | $1.8M |
| Deutsche Bank AG | 0.00% | Add +9.3% | 8,838 | $1.7M |
| CenterBook Partners LP | 0.09% | New | 8,742 | $1.7M |
| Oliver Luxxe Assets LLC | 0.24% | Add +0.2% | 8,132 | $1.6M |
| Legal & General Group Plc | 0.00% | Reduce -13.2% | 7,945 | $1.6M |
| B. Metzler seel. Sohn & Co. AG | 0.01% | Add +53.6% | 7,634 | $1.5M |
| XTX Topco Ltd | 0.03% | New | 7,415 | $1.5M |
| Corsair Capital Management, L.P. | 0.21% | No change | 7,234 | $1.4M |
| Sowell Financial Services LLC | 0.05% | New | 7,214 | $1.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 7,060 | $1.4M |
| PFG Advisors | 0.07% | Add +4.3% | 6,945 | $1.4M |
| Occudo Quantitative Strategies LP | 0.07% | New | 4,940 | $1.4M |
"% 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.