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
-$24,914,475
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% $62,673,354 906,995 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 13,716 $2,326,456 +$1,425,559 $169.63 6
2025 Q3 9,318,389 $1,313,661,843 -$24,914,475 $141.02 196
2025 Q2 9,640,455 $941,767,711 +$45,214,859 $97.69 173
2025 Q1 9,193,499 $687,908,412 +$38,763,560 $74.86 162
2024 Q4 8,663,814 $714,459,151 +$16,978,411 $82.47 167
2024 Q3 8,364,021 $656,467,922 +$7,317,117 $78.51 164
2024 Q2 8,275,013 $539,850,131 +$46,840,562 $65.24 154
2024 Q1 7,573,367 $456,735,198 +$11,342,348 $60.31 148
2023 Q4 8,389 $560,133 +$274,758 $66.77 2
2023 Q3 6,987,597 $333,433,969 -$10,552,245 $47.72 134
2023 Q2 7,185,644 $412,528,568 +$37,933,089 $57.41 125
2023 Q1 6,566,574 $246,615,419 +$16,091,514 $37.58 95
2022 Q4 6,233,638 $205,201,858 -$2,080,648 $32.92 88
2022 Q3 6,343,185 $160,164,400 +$13,522,575 $25.25 80
2022 Q2 6,110,511 $95,046,668 -$1,932,340 $15.56 57
2022 Q1 6,277,706 $111,893,660 +$3,262,712 $17.84 68
2021 Q4 6,081,418 $78,558,478 -$2,578,433 $12.93 61
2021 Q3 6,357,056 $79,051,815 -$14,690,507 $12.43 77
2021 Q2 7,456,945 $107,358,644 -$7,324,879 $14.40 77
2021 Q1 7,822,077 $155,545,354 +$5,434,823 $19.89 86
2020 Q4 7,547,036 $113,455,840 +$2,937,521 $15.03 82
2020 Q3 7,376,127 $78,681,384 -$909,518 $10.68 80
2020 Q2 7,464,060 $80,085,722 -$2,222,619 $10.73 84
2020 Q1 7,672,252 $74,722,956 -$3,229,540 $9.74 84
2019 Q4 7,720,308 $158,263,458 +$4,988,555 $20.50 90
2019 Q3 7,367,751 $110,731,657 -$2,176,722 $15.03 85
2019 Q2 7,609,712 $130,694,974 -$1,691,549 $17.17 85
2019 Q1 7,679,229 $194,142,488 +$3,467,842 $25.28 92
2018 Q4 7,528,834 $138,655,739 -$1,306,238 $18.42 81
2018 Q3 7,574,114 $200,666,391 +$5,042,357 $26.50 91
2018 Q2 7,296,424 $152,498,185 +$1,130,773 $20.90 88
2018 Q1 7,336,895 $138,813,689 -$2,725,785 $18.90 85
2017 Q4 7,450,168 $187,524,124 -$663,385 $25.17 99
2017 Q3 7,262,245 $226,909,952 +$3,965,574 $31.20 102
2017 Q2 6,992,722 $172,723,751 -$2,434,171 $24.70 99
2017 Q1 7,067,796 $180,567,595 +$30,625,526 $25.55 100
2016 Q4 7,131,866 $220,383,932 +$13,172,597 $30.90 112
2016 Q3 6,724,819 $162,329,889 +$9,199,934 $24.14 102
2016 Q2 6,360,931 $113,097,799 +$4,203,093 $17.78 94
2016 Q1 6,030,286 $88,072,894 -$1,448,681 $14.60 89
2015 Q4 6,236,542 $107,822,408 +$4,222,136 $17.29 82
2015 Q3 6,063,812 $117,874,046 +$4,132,116 $19.44 81
2015 Q2 5,710,484 $117,171,880 +$82,807 $20.52 85
2015 Q1 5,873,800 $111,776,058 -$2,755,085 $19.03 84
2014 Q4 5,901,826 $161,266,193 +$2,130,656 $27.34 97
2014 Q3 5,822,275 $144,037,682 +$776,732 $24.74 91
2014 Q2 5,773,344 $148,146,556 +$7,360,174 $25.67 87
2014 Q1 5,591,543 $122,491,827 -$2,515,886 $21.90 85