BEL FUSE INC /NJ - CLASS B COMMON STOCK (BELFB) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / CLASS B COMMON STOCK
Symbol
BELFB on Nasdaq
Shares outstanding
10,524,698
Price per share
$169.63
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
9,318,389
Total reported value
$1,313,661,843
% of total 13F portfolios
0%
Share change
-275,795
Value change
-$24,914,468
Number of holders
196
Price from insider filings
$169.63
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of BEL FUSE INC /NJ - CLASS B COMMON STOCK (BELFB) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 8.7% $64,587,114 906,995 The Vanguard Group - 23-1945930 30 Sep 2024
FMR LLC 5.8% $86,083,188 610,432 FMR LLC 30 Sep 2025

As of 30 Sep 2025, 196 institutional investors reported holding 9,318,389 shares of BEL FUSE INC /NJ - CLASS B COMMON STOCK (BELFB). This represents 89% of the company’s total 10,524,698 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of BEL FUSE INC /NJ - CLASS B COMMON STOCK (BELFB) together control 71% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 8.6% 908,032 -0.23% 0% $128,050,672
BlackRock, Inc. 8% 838,432 +1% 0% $118,235,681
FMR LLC 5.8% 610,432 +122% 0% $86,083,188
JANUS HENDERSON GROUP PLC 4.9% 519,503 +22% 0.03% $73,288,661
PRICE T ROWE ASSOCIATES INC /MD/ 4.5% 478,698 +213% 0.01% $67,507,000
T. Rowe Price Investment Management, Inc. 3.4% 357,269 +107% 0.03% $50,383,000
DIMENSIONAL FUND ADVISORS LP 3.2% 335,787 -48% 0.01% $47,351,471
GEODE CAPITAL MANAGEMENT, LLC 2.5% 265,147 -18% 0% $37,394,968
RENAISSANCE TECHNOLOGIES LLC 2.4% 252,851 -11% 0.05% $35,657,048
Thrivent Financial for Lutherans 2.3% 245,248 +67% 0.07% $34,584,000
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 2.3% 244,512 -37% 0.01% $34,481,082
STATE STREET CORP 2.3% 241,127 +0.65% 0% $34,003,730
WASATCH ADVISORS LP 2.2% 235,518 -17% 0.18% $33,212,748
BESSEMER GROUP INC 2% 206,275 -37% 0.04% $29,089,000
LOOMIS SAYLES & CO L P 1.9% 200,360 +2% 0.03% $28,254,767
ROYCE & ASSOCIATES LP 1.9% 200,297 -48% 0.28% $28,245,883
GW&K Investment Management, LLC 1.9% 195,351 -9.4% 0.24% $27,548,000
ADVISORY RESEARCH INC 1.8% 193,560 -50% 3.6% $27,295,831
Invesco Ltd. 1.7% 174,583 +27% 0% $24,619,695
AMERICAN CENTURY COMPANIES INC 1.6% 171,548 -35% 0.01% $24,191,699
BROWN ADVISORY INC 1.2% 128,245 -2.9% 0.02% $18,085,132
Portolan Capital Management, LLC 1.2% 123,766 +98% 0.94% $17,453,481
NORTHERN TRUST CORP 1% 108,088 -0.21% 0% $15,242,570
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.98% 103,082 0.01% $14,536,624
Makaira Partners LLC 0.95% 100,000 -59% 7.2% $14,102,000

Institutional Holders of BEL FUSE INC /NJ - CLASS B COMMON STOCK (BELFB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 127,009 $21,544,497 +$11,615,214 $169.63 12
2025 Q3 9,318,389 $1,313,661,843 -$24,914,468 $141.02 196
2025 Q2 9,640,455 $941,767,711 +$45,214,860 $97.69 173
2025 Q1 9,211,549 $689,259,149 +$38,086,555 $74.86 163
2024 Q4 8,669,382 $714,934,634 +$17,805,409 $82.47 168
2024 Q3 8,364,021 $656,467,572 +$7,429,664 $78.51 162
2024 Q2 8,273,579 $539,756,738 +$46,747,070 $65.24 152
2024 Q1 7,573,366 $456,735,316 +$9,939,717 $60.31 146
2023 Q4 7,354,202 $490,990,793 +$29,436,293 $66.77 146
2023 Q3 6,987,597 $333,433,677 -$10,245,601 $47.72 134
2023 Q2 7,185,694 $412,530,949 +$37,698,289 $57.41 126
2023 Q1 6,671,535 $250,559,853 +$16,878,892 $37.58 96
2022 Q4 6,248,438 $205,688,858 -$2,381,160 $32.92 89
2022 Q3 6,343,185 $160,164,400 +$13,864,859 $25.25 80
2022 Q2 6,168,135 $95,944,668 -$1,408,015 $15.56 58
2022 Q1 6,277,706 $111,893,660 +$3,292,999 $17.84 68
2021 Q4 6,142,913 $79,353,478 -$2,563,500 $12.93 63
2021 Q3 6,356,843 $79,048,815 -$14,258,883 $12.43 75
2021 Q2 7,456,713 $107,355,644 -$7,212,716 $14.40 75
2021 Q1 7,822,223 $155,549,354 +$5,433,844 $19.89 86
2020 Q4 7,560,200 $113,653,840 +$2,927,964 $15.03 83
2020 Q3 7,391,341 $78,844,384 -$942,555 $10.68 82
2020 Q2 7,464,847 $80,093,722 -$2,216,095 $10.73 85
2020 Q1 7,716,049 $75,148,956 -$2,911,931 $9.74 87
2019 Q4 7,720,308 $158,263,458 +$4,985,908 $20.50 90
2019 Q3 7,525,481 $113,103,657 -$2,139,542 $15.03 89
2019 Q2 7,619,263 $130,858,133 -$1,564,958 $17.17 87
2019 Q1 7,691,954 $194,462,488 +$3,350,316 $25.28 94
2018 Q4 7,561,805 $139,262,739 -$1,323,111 $18.42 85
2018 Q3 7,574,551 $200,678,391 +$4,669,762 $26.50 92
2018 Q2 7,444,481 $155,591,185 +$1,444,621 $20.90 90
2018 Q1 7,384,086 $139,704,689 -$2,241,891 $18.90 86
2017 Q4 7,450,168 $187,524,124 -$663,372 $25.17 99
2017 Q3 7,262,245 $226,909,952 +$3,967,537 $31.20 102
2017 Q2 7,140,394 $176,370,751 -$2,208,995 $24.70 100
2017 Q1 7,225,236 $184,590,595 +$30,511,996 $25.55 103
2016 Q4 7,131,866 $220,383,932 +$13,124,602 $30.90 112
2016 Q3 6,724,819 $162,329,889 +$9,081,914 $24.14 102
2016 Q2 6,361,315 $113,104,799 +$4,116,764 $17.78 95
2016 Q1 6,168,359 $90,088,894 -$1,261,203 $14.60 91
2015 Q4 6,237,199 $107,834,408 +$3,938,175 $17.29 84
2015 Q3 6,065,514 $117,907,046 +$3,866,303 $19.44 82
2015 Q2 5,850,715 $120,048,880 -$258,659 $20.52 87
2015 Q1 5,873,800 $111,776,058 -$2,753,446 $19.03 84
2014 Q4 5,923,087 $161,847,193 +$2,456,117 $27.34 98
2014 Q3 5,822,548 $144,043,682 +$779,720 $24.74 93
2014 Q2 5,787,946 $148,520,556 +$7,491,248 $25.67 90
2014 Q1 5,636,126 $123,466,827 -$440,603 $21.90 88