Bel Fuse Inc
BELFA- 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; 109 institutions reported holding it in 13F filings for Q2 2026, worth $393.9M in total; no superinvestor holds it.
Other share classesBELFB
Holders of 5% or more of BELFA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bel Fuse Inc, largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of Bel Fuse Inc on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
44 Schedule 13D and 13G filings on Bel Fuse Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 202612:31 PM ET | Highbridge Capital Management LLC | 13G/A | 0.00%0 shares | −6.50 ppfrom 6.50%Below 5% | Jun 30, 2026 | SEC |
| Aug 13, 20267:11 PM ET | Barclays PLC | 13G/A | 1.72%36.5K shares | −4.60 ppfrom 6.32%Below 5% | Jun 30, 2026 | SEC |
| May 15, 20266:35 AM ET | Highbridge Capital Management LLC | 13G | 6.50%138.5K shares | New | Mar 31, 2026 | SEC |
| May 14, 20269:25 PM ET | Barclays PLC | 13G | 6.32%133.8K shares | New | Mar 31, 2026 | SEC |
| Jan 28, 20264:06 PM ET | Gamco Investors, Inc. Et Aland 6 others | 13D/A | 3.00%63.8K shares | −0.40 ppfrom 3.40%Below 5% | Jan 27, 2026 | SEC |
| Dec 9, 20254:01 PM ET | Gamco Investors, Inc. Et Aland 7 others | 13D/A | 3.40%72.5K shares | −0.30 ppfrom 3.70%Below 5% | Dec 9, 2025 | SEC |
| Sep 5, 20255:18 PM ET | Bennett Christopher Finch | 13D/A | 3.59%76.0K shares | −1.50 ppfrom 5.09%Below 5% | Sep 4, 2025 | SEC |
| Aug 29, 20254:57 PM ET | Bennett Christopher Finch | 13D/A | 5.09%107.6K shares | – | Aug 29, 2025 | SEC |
| Aug 4, 20254:11 PM ET | Gamco Investors, Inc. Et Aland 6 others | 13D/A | 3.70%77.1K shares | −0.40 ppfrom 4.10%Below 5% | Aug 4, 2025 | SEC |
| Jul 31, 20251:58 PM ET | JPMorgan Chase & Co | 13G/A | 0.00%763 shares | −5.00 ppfrom 5.00%Below 5% | Jun 30, 2025 | SEC |
| Feb 20, 20254:25 PM ET | Gamco Investors, Inc. Et Aland 5 others | 13D/A | 4.10%86.7K shares | –Below 5% | Feb 19, 2025 | SEC |
| Feb 10, 202512:09 PM ET | JPMorgan Chase & Co | 13G | 5.00%107.6K shares | – | Dec 31, 2024 | SEC |
| Nov 15, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Nov 12, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 7, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Nov 4, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Oct 17, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Oct 7, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Sep 20, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Aug 15, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Apr 29, 2024 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Apr 23, 2024 | Brown Advisory Inc | 13GOld format | – | New | – | SEC |
| Feb 14, 2024 | Portolan Capital Management, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 16, 2024 | Teton Westwood Funds | 13G/AOld format | – | – | – | SEC |
| Dec 4, 2023 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Mar 10, 2023 | Portolan Capital Management, LLC | 13GOld format | – | New | – | SEC |
| Mar 3, 2023 | Bennett Christopher Finch | 13D/AOld format | – | – | – | SEC |
| Mar 2, 2023 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13GOld format | – | – | – | SEC |
| Jan 17, 2023 | Teton Westwood Funds | 13G/AOld format | – | – | – | SEC |
| Nov 10, 2022 | Bennett Christopher Finch | 13DOld format | – | New | – | SEC |
| Feb 11, 2022 | Renaissance Technologies LLC | 13GOld format | – | – | – | SEC |
| Feb 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 11, 2022 | Teton Westwood Funds | 13G/AOld format | – | – | – | SEC |
| Jun 8, 2021 | JPMorgan Chase & Co | 13G/AOld format | – | – | – | SEC |
| Apr 8, 2021 | Bernstein Daniel | 13D/AOld format | – | – | – | SEC |
| Mar 18, 2021 | Gamco Investors, Inc. Et Al | 13D/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Jan 28, 2021 | Teton Westwood Funds | 13G/AOld format | – | – | – | SEC |
| Jan 19, 2021 | JPMorgan Chase & Co | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
1 notice from officers, directors and other affiliates planning to sell Bel Fuse Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| May 10, 20233:26 PM ET | Gilbert Peter EDirector | 5.00K | $220.5K | May 10, 2023 | TD Ameritrade | SEC |