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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

13F holders, Q2 2026

Institutional positions in Bel Fuse Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
109
+17 vs. Q1 2026
Shares held
1.35M
+190.4K (+16.4%) vs. Q1 2026
Total value
$393.9M
+$184.3M (+87.9%) vs. Q1 2026
New holders
30
40 more added
Sold out
13
29 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BELFA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 109 institutions
Q1 2021: 18 institutionsQ2 2021: 17 institutionsQ3 2021: 15 institutionsQ4 2021: 16 institutionsQ1 2022: 13 institutionsQ2 2022: 14 institutionsQ3 2022: 16 institutionsQ4 2022: 17 institutionsQ1 2023: 19 institutionsQ2 2023: 25 institutionsQ3 2023: 25 institutionsQ4 2023: 26 institutionsQ1 2024: 32 institutionsQ2 2024: 40 institutionsQ3 2024: 54 institutionsQ4 2024: 56 institutionsQ1 2025: 56 institutionsQ2 2025: 59 institutionsQ3 2025: 64 institutionsQ4 2025: 77 institutionsQ1 2026: 94 institutionsQ2 2026: 109 institutions
Value heldQ2 2026: $393.9M
Q1 2021: $14.0MQ2 2021: $10.8MQ3 2021: $10.6MQ4 2021: $10.8MQ1 2022: $14.9MQ2 2022: $15.2MQ3 2022: $19.7MQ4 2022: $20.8MQ1 2023: $23.6MQ2 2023: $39.2MQ3 2023: $31.3MQ4 2023: $44.6MQ1 2024: $57.2MQ2 2024: $78.8MQ3 2024: $103.5MQ4 2024: $89.9MQ1 2025: $69.0MQ2 2025: $81.7MQ3 2025: $106.7MQ4 2025: $148.5MQ1 2026: $209.7MQ2 2026: $393.9M
Institutions holding BELFA and their total value by quarter
QuarterHoldersValue
Q2 2026109$393.9M
Q1 202694$209.7M
Q4 202577$148.5M
Q3 202564$106.7M
Q2 202559$81.7M
Q1 202556$69.0M
Q4 202456$89.9M
Q3 202454$103.5M
Q2 202440$78.8M
Q1 202432$57.2M
Q4 202326$44.6M
Q3 202325$31.3M
Q2 202325$39.2M
Q1 202319$23.6M
Q4 202217$20.8M
Q3 202216$19.7M
Q2 202214$15.2M
Q1 202213$14.9M
Q4 202116$10.8M
Q3 202115$10.6M
Q2 202117$10.8M
Q1 202118$14.0M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2026.

Institutions holding BELFA in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Sterling Capital Management LLC6$1.75K0.00%−48−88.9%Reduced
Ronald Blue Trust, Inc.6$1.75K0.00%00.0%Unchanged
Allworth Financial LP5$1.46K0.00%+3+150.0%Added
Hughes Financial Services, LLC5$1.46K0.00%+4+400.0%Added
Quarry LP5$1.46K0.00%+5New
O'Shaughnessy Asset Management, LLC2$5820.00%00.0%Unchanged
National Bank of Canada2$5810.00%+2New
Essential Partners LLC1$2910.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.1$2910.00%+1New
Highbridge Capital Management LLC0$00.00%−138,469−100.0%Sold out
Jane Street Group, LLC0$00.00%−13,167−100.0%Sold out
Sagefield Capital LP0$00.00%−4,416−100.0%Sold out
Trexquant Investment LP0$00.00%−2,989−100.0%Sold out
Engineers Gate Manager LP0$00.00%−2,300−100.0%Sold out
HRT Financial LP0$00.00%−2,255−100.0%Sold out
Millennium Management LLC0$00.00%−1,190−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−12−100.0%Sold out
Root Financial Partners, LLC0$00.00%−7−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−2−100.0%Sold out
MAI Capital Management0$00.00%−1−100.0%Sold out
True Wealth Design, LLC0$00.00%−1−100.0%Sold out
Advisory Services Network, LLC0$00.00%−1−100.0%Sold out
Sunbelt Securities, Inc.––––Not filed
CWM, LLC––––Not filed