Bel Fuse Class B (BELFB)
Builds power, protection, connectivity, and magnetic components for demanding aerospace, defense, industrial, and data applications.
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13F · 13D/G · Form 4
| Institutions | ≥ 87.88% | 12.69M shares | |
|---|---|---|---|
| 289 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 1.86% | 268.8K shares | |
| 17 holders · as of Sep 15, 2026 | |||
| Strategic holders | 5.26% | 760.1K shares | |
| 1 holder · as of May 15, 2026 | |||
| Other | ≤ 5.00% | 720.4K shares | |
| remainder | |||
14.44M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Two share counts disagree (14.44M in the company's Sep 22, 2026 report, 12.11M elsewhere); stakes use the report.
Institutional filings for BELFA (15% of the company) are not on file here, so the institutional figure is a floor.
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
This company has 2 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
289 holders · 12.69M shares · 82 new positions · 197 increased · 64 reduced · 37 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 1.02M | 7.08% | +175.3K | Aug 7, 2026 |
| Price T Rowe Associates Inc /MD/ | 1.02M | 7.03% | +242.2K | Aug 14, 2026 |
| FMR LLC | 876.1K | 6.07% | +244.8K | Aug 13, 2026 |
| Jupiter Topco LLC | 590.0K | 4.09% | +590.0Knew | Aug 14, 2026 |
| Vanguard Capital Management LLC | 555.5K | 3.85% | +66.4K | Aug 13, 2026 |
| T. Rowe Price Investment Management, Inc. | 537.8K | 3.72% | −35.1K | Aug 14, 2026 |
| Wasatch Advisors LP | 489.4K | 3.39% | +10.7K | Jul 10, 2026 |
| Vanguard Portfolio Management LLC | 399.1K | 2.76% | +69.6K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| T. Rowe Price Associates, Inc. | 7.90% | 834.3K | 13G | Feb 17, 2026 |
| Janus Henderson Group PLC | 7.20% | 760.1K | 13G | May 15, 2026 |
| Highbridge Capital Management, LLC | 6.50% | 138.5K | 13G | May 15, 2026 |
| Barclays PLC | 6.32% | 133.8K | 13G | May 14, 2026 |
| FMR LLC | 5.80% | 610.4K | 13G | Nov 5, 2025 |
| T. Rowe Price Investment Management, Inc. | 5.40% | 572.9K | 13G | May 15, 2026 |
| Vanguard Capital Management | 5.40% | 570.2K | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 14, 2026 | Vincent Velluccidirector | Sale | 1,000 | $235.15 | 7,434 |
| Sep 2, 2026 | Vincent Velluccidirector | Sale | 393 | $243.61 | 8,434 |
| Aug 12, 2026 | Peter E. Gilbertdirector | Sale | 500 | $292.12 | 750 |
| Mar 16, 2026 | Suzanne Kozlovskyofficer: Global Head of People | Sale | 214 | $203.21 | 12,283 |
| Mar 16, 2026 | Stephen Dawsonofficer: Pres. - Power Solutions | Sale | 3,444 | $203.21 | 11,741 |
| Mar 16, 2026 | Daniel Bernsteindirector, 10 percent owner: | Sale | 6,667 | $203.21 | 23,512 |
| Mar 16, 2026 | Kenneth Koon Keung Laiofficer: VP of Asia Operations | Sale | 552 | $203.21 | 7,532 |
| Mar 6, 2026 | Peter Bittnerofficer: Pres. - Connectivity Solution | Sale | 12,311 | $195.00 | 3,206 |
| Mar 5, 2026 | Peter Bittnerofficer: Pres. - Connectivity Solution | Sale | 10,000 | $209.00 | 15,517 |
| Feb 25, 2026 | Farouq Salem Ali Tuweiqdirector, officer: President and CEO | Sale · 11 lots | 33,967 | $234.00 | 30,837 |
House and Senate disclosures
Not reported.