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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

Q3 2021 vs. Q2 2021

How the institutions holding Bel Fuse Inc changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of BELFB: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders82820
Shares7.46M6.36M−1.10M (−14.7%)
Value$107.4M$79.1M−$28.3M (−26.4%)

New holders (24)

Institutions that held Bel Fuse Inc at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to BELFB in Q3 2021
InstitutionSharesValue% of portfolio
Marshall Wace, LLP133,487$1.66M0.01%
Two Sigma Investments, LP82,012$1.02M0.00%
Citadel Advisors LLC57,710$717.0K0.00%
Exchange Traded Concepts, LLC49,828$619.0K0.02%
Susquehanna International Group, LLP26,194$326.0K0.00%
LMR Partners LLP25,000$311.0K0.00%
D. E. Shaw & Co., Inc.24,296$302.0K0.00%
Engineers Gate Manager LP22,363$278.0K0.02%
Walleye Capital LLC22,200$276.0K0.01%
Gabelli Funds LLC20,000$249.0K0.00%
Trexquant Investment LP17,835$222.0K0.02%
6 Meridian14,859$185.0K0.01%
Assenagon Asset Management S.A.13,777$171.0K0.00%
National Asset Management, Inc.13,400$167.0K0.01%
Jump Financial, LLC13,471$167.0K0.01%
Connor, Clark & Lunn Investment Management Ltd.13,373$166.0K0.00%
Marshall Wace North America L.P.12,553$156.0K0.00%
PDT Partners, LLC12,230$152.0K0.01%
Jane Street Group, LLC11,395$141.0K0.00%
Voya Investment Management LLC10,264$128.0K0.00%
Quadrature Capital Ltd10,212$127.0K0.00%
Gabelli & Co Investment Advisers, Inc.10,000$124.0K0.01%
Tower Research Capital LLC (TRC)6,899$85.0K0.00%
Proequities, Inc.200$2.00K0.00%

Sold out (24)

Institutions that held Bel Fuse Inc at the end of Q2 2021 and filed for Q3 2021 without it.