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BELFB · Bel Fuse Inc /Nj

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$262.43 -1.44 (-0.55%) At close · Aug 20
Market Cap
$3.15B
Shares
14.44M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 258
Total Value: $4,344,514,347
Total Shares: 13,216,126

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 258 13F filers · Δ vs Mar 31, 2026
Top Holder
8.5%
Sep 2023 → Jun 2026 · range 8.1% – 11.2%
+0.5 pts
Top 5
32.7%
Sep 2023 → Jun 2026 · range 32.4% – 39.6%
+0.3 pts
Top 10
48.8%
Sep 2023 → Jun 2026 · range 48.8% – 56.0%
−1.1 pts
HHI
334
Sep 2023 → Jun 2026 · range 330 – 454
Broadly held+4

Quarterly Activity

vs Mar 31, 2026
New
69
Increased
104
Decreased
69
Sold Out
66
Unchanged
16
Holder count: +3
Institutional value: +90.1%
Shares held: +13.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 337
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 729580 CUSIP 077347201 13F (30d) 262 filings 254 filers Visit website Investor relations