BEL FUSE INC-CL B BELFB

US Technology Electronic Coils, Transformers & Other Inductors
$266.94
-16.1%
52w: $90.35 – $333.04

Latest 13F among current holders filed 19 days ago (Jun 16, 2026)

Price — last 12 months

research preview data
90.35211.69333.04
Jun 20, 2025 Jul 2, 2026
Institutional holders
233
+27 QoQ
13F value
$2.05B
+18.4% QoQ
Smart-money holders
11
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
14.9×
$25.9M calls / $1.7M puts

Institutional value by quarter

$542.3M
Q1 2024
$541.6M
Q2 2024
$658.9M
Q3 2024
$715.7M
Q4 2024
$689.5M
Q1 2025
$944.2M
Q2 2025
$1.31B
Q3 2025
$1.73B
Q4 2025
$2.05B
Q1 2026

Number of holders

148
Q1 2024
154
Q2 2024
164
Q3 2024
170
Q4 2024
165
Q1 2025
175
Q2 2025
197
Q3 2025
206
Q4 2025
233
Q1 2026

Who owns BELFB?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider846.9K$167.7M0.0%-2.2%
PRICE T ROWE ASSOCIATES INC /MD/ Diversified mechanical773.5K$153.1M0.0%-7.3%
JANUS HENDERSON GROUP PLC Diversified mechanical760.1K$150.6M0.1%+22.7%
FMR LLC Long only active631.3K$125.0M0.0%-5.4%
T. Rowe Price Investment Management, Inc. Long only active572.9K$113.4M0.1%-3.9%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical489.1K$96.8M0.0%
WASATCH ADVISORS LP Other478.7K$94.8M0.6%+16.6%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical329.5K$65.2M0.0%
GEODE CAPITAL MANAGEMENT, LLC Index provider308.0K$61.0M0.0%+15.0%
DIMENSIONAL FUND ADVISORS LP Quant stat arb256.8K$50.9M0.0%+0.8%
JPMORGAN CHASE & CO Bank broker249.4K$49.3M0.0%+74.0%
STATE STREET CORP Index provider242.5K$48.0M0.0%-1.8%
Fisher Asset Management, LLC Long only active215.6K$42.7M0.0%-14.3%
RENAISSANCE TECHNOLOGIES LLC Quant stat arb213.9K$42.3M0.1%-7.6%
Thrivent Financial for Lutherans Diversified mechanical188.1K$37.2M0.1%-20.3%
LORD, ABBETT & CO. LLC Other167.4K$33.1M0.1%+172.4%
LOOMIS SAYLES & CO L P Other145.6K$28.8M0.0%-27.4%
Tidal Investments LLC Diversified mechanical141.8K$28.1M0.1%New
BESSEMER GROUP INC Diversified mechanical137.3K$27.2M0.0%-33.6%
Tema ETFs LLC Other133.3K$26.4M1.8%+48.3%
GW&K Investment Management, LLC Other130.4K$25.8M0.2%-19.7%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Other123.5K$24.5M0.0%-11.2%
ADVISORY RESEARCH INC Other119.4K$23.6M2.9%-11.4%
FRANKLIN RESOURCES INC Long only active114.4K$22.6M0.0%+829.6%
NORTHERN TRUST CORP Index provider104.9K$20.8M0.0%+3.9%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider97.7K$19.3M0.0%-2.5%
Allspring Global Investments Holdings, LLC Diversified mechanical94.8K$19.3M0.0%+364600.0%
ROYCE & ASSOCIATES LP Other97.2K$19.2M0.2%+5.6%
GOLDMAN SACHS GROUP INC Bank broker84.2K$16.7M0.0%+3.9%
BROWN ADVISORY INC Diversified mechanical82.1K$16.3M0.0%-30.5%
Invesco Ltd. Index provider74.0K$14.7M0.0%-56.3%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical70.8K$14.0M0.0%
SANTA MONICA PARTNERS LP ★3Fundamental concentrated67.6K$13.4M7.5%Held
Boston Partners Other65.4K$13.0M0.0%+4.5%
MORGAN STANLEY Bank broker61.3K$12.1M0.0%+47.4%
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker60.0K$11.9M0.0%+442.1%
FIRST TRUST ADVISORS LP Index provider58.0K$11.5M0.0%+6.7%
UBS Group AG Bank broker57.2K$11.3M0.0%+22.9%
Portolan Capital Management, LLC Other53.2K$10.5M0.6%-61.9%
Bank of New York Mellon Corp Diversified mechanical51.2K$10.1M0.0%-4.6%
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Diversified mechanical51.0K$10.1M0.0%+38.3%
POLEN CAPITAL MANAGEMENT LLC ★2Long only active43.3K$8.6M0.1%+92.4%
JANE STREET GROUP, LLC Market maker38.4K$7.6M0.0%New
Grandeur Peak Global Advisors, LLC ★2Fundamental diversified36.9K$7.3M1.7%-3.3%
SEI INVESTMENTS CO Diversified mechanical35.7K$7.1M0.0%+31.4%
VOLORIDGE INVESTMENT MANAGEMENT, LLC Diversified mechanical35.1K$6.9M0.0%-13.6%
RAYMOND JAMES FINANCIAL INC Bank broker35.0K$6.9M0.0%+66.0%
Russell Investments Group, Ltd. Diversified mechanical34.4K$6.8M0.0%-0.1%
LPL Financial LLC Bank broker33.6K$6.7M0.0%+133.1%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Quant stat arb33.0K$6.5M0.0%-66.0%

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