Canonical: https://ownershiptrace.com/13f/companies/3881

# Who owns BEL FUSE INC /NJ (BEL)? Elite investor 13F holders

4 tracked elite investors reported holding BEL FUSE INC /NJ as of 2026-06-30, including Renaissance Technologies LLC, GAMCO, Polen Capital Management, Gotham Asset Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

4 tracked investors currently reported holding · Latest report period: 2026-06-30 · Information Technology · Technology Hardware & Equipment

Bel Fuse Inc. designs, manufactures, markets, and sells products that power, protect, and connect electronic circuits. It operates in three product groups: Power Solutions and Protection, Connectivity Solutions, and Magnetic Solutions. The company's products are used in the networking, telecommunications, computing, general industrial, high-speed data transmission, defence, commercial aerospace,…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | BEL FUSE INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 69186063.00 USD | 207741.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | BEL FUSE INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 19091000.00 USD | 65553.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [GAMCO](https://ownershiptrace.com/13f/investors/137) | BEL FUSE INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 15435190.00 USD | 53000.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) |
| [Polen Capital Management](https://ownershiptrace.com/13f/investors/61) | BEL FUSE INC | SHARE | 2026-06-30 | 2026-08-04 00:00:00 | 10938699.00 USD | 32845.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1034524/0001172661-26-003035-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | BEL FUSE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 302400.00 USD | 908.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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