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; 279 institutions reported holding it in 13F filings for Q2 2026, worth $4.18B in total; no superinvestor holds it.
Other share classesBELFA
Key figures
- Market capNo recent share count in SEC filings
- –
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $476.9K in total
- 3
- 13F holdersQ2 2026, +45 vs. previous quarter
- 279
- 13F valueReported value at the end of Q2 2026
- $4.18B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $675.5M
- +26.3% year over year
- Net income, FY2025
- $61.5M
- +50.2% year over year
- Free cash flow, FY2025
- $68.6M
- +14.4% year over year
- Revenue, Q3 FY2026
- $220.5M
- +23.2% year over year
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 897.9K
- Shares sold short
- Change
- +75.4K
- +9.2% vs. previous
- Days to cover
- 4.52
- At average daily volume
Superinvestors holding BELFB, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding BELFB at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Bel Fuse Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 15, 2026 (view filing)2:54 PM ET | Sep 14 | 1 day | Vellucci VincentDirector | SSaleClass B Common Stock | −1.00K | $235.15 | −$235.2K | −11.9%7.43K after | |
| Sep 4, 2026 (view filing)11:22 AM ET | Sep 2 | 2 days | Vellucci VincentDirector | SSaleClass B Common Stock | −393 | $243.61 | −$95.7K | −4.5%8.43K after | |
| Aug 14, 2026 (view filing)10:45 AM ET | Aug 12 | 2 days | Gilbert Peter EDirector | SSaleClass B Common Stock | −500 | $292.12 | −$146.1K | −40.0%750 after | |
| Jun 3, 2026 (view filing) | Jun 1 | 2 days | Kozlovsky SuzanneGlobal Head of People | SSaleClass B Common Stock | −731 | $271.09 | −$198.2K | −6.0%11.6K after | 6 lots |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Lai Kenneth Koon KeungVP of Asia Operations | SSaleClass B Common Stock | −552 | $203.21 | −$112.2K | −6.8%7.53K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Bernstein DanielDirector, 10% Owner | SSaleClass B Common Stock | −6.67K | $203.21 | −$1.35M | −22.1%23.5K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Dawson StephenPres. - Power Solutions | SSaleClass B Common Stock | −3.44K | $203.21 | −$699.9K | −22.7%11.7K after | |
| Mar 17, 2026 (view filing) | Mar 16 | 1 day | Kozlovsky SuzanneGlobal Head of People | SSaleClass B Common Stock | −214 | $203.21 | −$43.5K | −1.7%12.3K after | |
| Mar 9, 2026 (view filing) | Mar 5-6 | 4 days | Bittner Peter G. IIIPres. - Connectivity Solution | SSaleClass B Common Stock | −22.3K | $201.27 | −$4.49M | −87.4%3.21K after | 2 lots |
| Feb 26, 2026 (view filing) | Feb 25 | 1 day | Tuweiq Farouq Salem AliPresident and CEO | SSaleClass A Common Stock | −3.10K | $216.11 | −$670.0K | −100.0%0 after | 3 lots |
Top 10 13F holders, Q2 2026
See all 279 holdersThe largest institutional positions in Bel Fuse Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 1,022,258 | $340.5M | 0.01% | +175,338+20.7% | Added |
| Price T Rowe Associates Inc | 1,015,705 | $338.3M | 0.03% | +242,230+31.3% | Added |
| FMR LLC | 876,104 | $291.8M | 0.01% | +244,797+38.8% | Added |
| Jupiter Topco LLC | 590,030 | $196.5M | 0.08% | +590,030 | New |
| Vanguard Capital Management LLC | 555,463 | $185.0M | 0.00% | +66,382+13.6% | Added |
| T. Rowe Price Investment Management, Inc. | 537,813 | $179.1M | 0.12% | −35,106−6.1% | Reduced |
| Wasatch Advisors Inc | 489,414 | $163.0M | 1.07% | +10,705+2.2% | Added |
| Vanguard Portfolio Management LLC | 399,104 | $132.9M | 0.01% | +69,643+21.1% | Added |
| Bank of New York Mellon Corp | 389,896 | $129.9M | 0.02% | +338,660+661.0% | Added |
| Geode Capital Management, LLC | 363,322 | $121.0M | 0.01% | +55,274+17.9% | Added |
Holders of 5% or more of BELFB
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Bel Fuse Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 13G | 7.90%834.3K shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
| FMR LLC | 13G/A | 7.10%876.1K shares | +1.30 ppfrom 5.80% | Nov 5, 20252 filings | Aug 6, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.40%570.2K shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Politician trades
All politician trades in BELFB1 member of Congress reported 1 trade in Bel Fuse Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Aug 13, 2023 |  Daniel S. Goldman House · NY | Sell | $1K-$15K |
House · NY · Aug 13, 2023
Sell$1K-$15K