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; 276 institutions reported holding it in 13F filings for Q2 2026, worth $4.18B in total; no superinvestor holds it.
Other share classesBELFA
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
- 276
- +45 vs. Q1 2026
- Shares held
- 12.6M
- +3.01M (+31.4%) vs. Q1 2026
- Total value
- $4.18B
- +$2.29B (+120.6%) vs. Q1 2026
- New holders
- 78
- 114 more added
- Sold out
- 33
- 64 more reduced
4 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 BELFB 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 276 | $4.18B |
| Q1 2026 | 235 | $2.05B |
| Q4 2025 | 207 | $1.72B |
| Q3 2025 | 197 | $1.31B |
| Q2 2025 | 174 | $941.8M |
| Q1 2025 | 164 | $689.3M |
| Q4 2024 | 168 | $714.9M |
| Q3 2024 | 163 | $656.5M |
| Q2 2024 | 153 | $539.8M |
| Q1 2024 | 147 | $456.7M |
| Q4 2023 | 146 | $491.0M |
| Q3 2023 | 134 | $333.4M |
| Q2 2023 | 126 | $412.5M |
| Q1 2023 | 96 | $250.6M |
| Q4 2022 | 90 | $205.7M |
| Q3 2022 | 83 | $160.2M |
| Q2 2022 | 61 | $95.9M |
| Q1 2022 | 70 | $111.9M |
| Q4 2021 | 67 | $79.4M |
| Q3 2021 | 82 | $79.1M |
| Q2 2021 | 82 | $107.4M |
| Q1 2021 | 88 | $155.6M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Bel Fuse Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Magnetar Financial LLC | 0 | $0 | 0.00% | −1,069−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −1,025−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −821−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −242−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −396−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |