Security Snapshot

BEL FUSE INC /NJ - Class B Common Stock (BELFB) Institutional Ownership

CUSIP: 077347300

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

231

Shares (Excl. Options)

10,344,352

Price

$197.98

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Type / Class
Equity / Class B Common Stock
Symbol
BELFB on Nasdaq
Shares outstanding
10,557,514
Price per share
$298.22
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
10,344,352
Total reported value
$2,048,520,887
% of total 13F portfolios
0%
Share change
+216,790
Value change
+$51,942,851
Number of holders
231
Price from insider filings
$298.22
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • BELFB - BEL FUSE INC /NJ - Class B Common Stock is tracked under CUSIP 077347300.
  • 231 institutions reported positions in Q1 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 206 to 231 between Q4 2025 and Q1 2026.
  • Reported value moved from $1,716,156,252 to $2,048,520,887.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 231 institutions filings for Q1 2026.

Open SEC Evidence

Security key

077347300

Latest holder period

Q1 2026

13F holders

231

13D/G owners

4

CIK / CUSIP context first

Open Q1 2026 holders BELFB full holder history BEL FUSE INC /NJ SEC filings BEL FUSE INC /NJ company facts BEL FUSE INC /NJ insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
4
Security
BELFB
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
PRICE T ROWE ASSOCIATES INC /MD/ 7.9% $156,842,760 834,270 T. Rowe Price Associates, Inc. 31 Dec 2025
JANUS HENDERSON GROUP PLC 7.2% +22% $157,273,173 +$29,132,348 760,141 +23% JANUS HENDERSON GROUP PLC 31 Mar 2026
FMR LLC 5.8% $86,083,188 610,432 FMR LLC 30 Sep 2025

As of 31 Mar 2026, 231 institutional investors reported holding 10,344,352 shares of BEL FUSE INC /NJ - Class B Common Stock (BELFB). This represents 98% of the company’s total 10,557,514 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
75%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 8% 846,920 -2.2% 0% $167,673,222
PRICE T ROWE ASSOCIATES INC /MD/ 7.3% 773,475 -7.3% 0.02% $153,134,000
JANUS HENDERSON GROUP PLC 7.2% 760,141 +23% 0.07% $150,587,454
FMR LLC 6% 631,307 -5.4% 0.01% $124,986,171
T. Rowe Price Investment Management, Inc. 5.4% 572,919 +10% 0.08% $113,427,000
VANGUARD CAPITAL MANAGEMENT LLC 4.6% 489,081 0% 0% $96,828,256
WASATCH ADVISORS LP 4.5% 478,709 +17% 0.63% $94,774,808
VANGUARD PORTFOLIO MANAGEMENT LLC 3.1% 329,461 0% 0% $65,226,689
GEODE CAPITAL MANAGEMENT, LLC 2.9% 308,048 +15% 0% $60,998,131
DIMENSIONAL FUND ADVISORS LP 2.4% 256,833 +0.78% 0.01% $50,850,564
JPMORGAN CHASE & CO 2.4% 249,387 +74% 0% $49,336,230
STATE STREET CORP 2.3% 242,454 -1.8% 0% $48,001,043
Fisher Asset Management, LLC 2% 215,648 -14% 0.01% $42,694,000
RENAISSANCE TECHNOLOGIES LLC 2% 213,872 -7.6% 0.07% $42,342,379
Thrivent Financial for Lutherans 1.8% 188,056 -20% 0.07% $37,231,000
LORD, ABBETT & CO. LLC 1.6% 167,404 +172% 0.11% $33,143,000
LOOMIS SAYLES & CO L P 1.4% 145,648 -27% 0.04% $28,835,391
Tidal Investments LLC 1.3% 141,791 0.09% $28,071,782
BESSEMER GROUP INC 1.3% 137,318 -34% 0.04% $27,185,000
Tema ETFs LLC 1.3% 133,318 +48% 1.8% $26,394,298
GW&K Investment Management, LLC 1.2% 130,419 -20% 0.23% $25,820,000
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.2% 123,498 -11% 0.01% $24,450,134
ADVISORY RESEARCH INC 1.1% 119,364 -11% 2.9% $23,631,685
FRANKLIN RESOURCES INC 1.1% 114,353 +830% 0.01% $22,639,606
NORTHERN TRUST CORP 0.99% 104,880 +3.9% 0% $20,764,142

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
49
Latest
Q1 2026
Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 10,344,352 $2,048,520,887 +$51,942,851 $197.98 231
2025 Q4 10,117,224 $1,716,156,252 +$122,460,967 $169.63 206
2025 Q3 9,316,915 $1,313,453,979 -$25,122,332 $141.02 195
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
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