Vault-13

BEL FUSE INC BELFA

CL A · Common Stock · CUSIP 077347201

110 institutional holders +14 vs Q1 2026
1,351,5821.4m shares reported held*
$393.8mreported value*
27 new 42 added 29 reduced 13 sold out net bought ≈ $55.1m (+189.0k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($119.1k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $291.34.

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 17Q4 22: 18Q1 23: 20Q2 23: 26Q3 23: 26Q4 23: 27Q1 24: 33Q2 24: 41Q3 24: 55Q4 24: 57Q1 25: 57Q2 25: 60Q3 25: 64Q4 25: 77Q1 26: 96Q2 26: 110110Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 202217
Q4 202218
Q1 202320
Q2 202326
Q3 202326
Q4 202327
Q1 202433
Q2 202441
Q3 202455
Q4 202457
Q1 202557
Q2 202560
Q3 202564
Q4 202577
Q1 202696
Q2 2026110

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 30 bought or addedQ3 24: 13 cut or sold outQ4 24: 23 bought or addedQ4 24: 20 cut or sold outQ4 24Q1 25: 19 bought or addedQ1 25: 26 cut or sold outQ2 25: 21 bought or addedQ2 25: 27 cut or sold outQ2 25Q3 25: 29 bought or addedQ3 25: 27 cut or sold outQ4 25: 37 bought or addedQ4 25: 29 cut or sold outQ4 25Q1 26: 51 bought or addedQ1 26: 32 cut or sold outQ2 26: 69 bought or addedQ2 26: 42 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20243013
Q4 20242320
Q1 20251926
Q2 20252127
Q3 20252927
Q4 20253729
Q1 20265132
Q2 20266942

Biggest buyers

MANGROVE PARTNERS IM, LLC Added +103,430+103.4k
Logan Stone Capital, LLC New +54,020+54.0k
MARSHALL WACE, LLP Added +41,674+41.7k
BANK OF AMERICA CORP /DE/ Added +38,352+38.4k
Qube Research & Technologies Ltd Added +33,323+33.3k
STATE STREET CORP Added +15,946+15.9k
VANGUARD CAPITAL MANAGEMENT LLC Added +13,071+13.1k
VANGUARD PORTFOLIO MANAGEMENT LLC Added +11,491+11.5k
VANGUARD ASSET MANAGEMENT, Ltd New +11,344+11.3k
BlackRock, Inc. Added +8,987+9.0k

Biggest sellers

HIGHBRIDGE CAPITAL MANAGEMENT LLC Sold out -138,469-138.5k
JANE STREET GROUP, LLC Sold out -13,167-13.2k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Reduced -9,792-9.8k
BROWN ADVISORY INC Reduced -8,451-8.5k
FMR LLC Reduced -7,383-7.4k
Hound Partners, LLC Reduced -6,766-6.8k
SEI INVESTMENTS CO Reduced -4,944-4.9k
Sagefield Capital LP Sold out -4,416-4.4k
Trexquant Investment LP Sold out -2,989-3.0k
MORGAN STANLEY Reduced -2,791-2.8k

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

No one currently above 5% in the filings since 19 Dec 2024.

Fell to 5% or below in the last year: HIGHBRIDGE CAPITAL MANAGEMENT LLC (0.0%, 2026-08-14), BARCLAYS PLC (1.7%, 2026-08-13), GAMCO INVESTORS, INC. ET AL (3.0%, 2026-01-28)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q4 24: 0 buyingQ4 24: 2 sellingQ1 25: 0 buyingQ1 25: 1 sellingQ1 25Q2 25: 0 buyingQ2 25: 2 sellingQ3 25: 0 buyingQ3 25: 2 sellingQ3 25Q4 25: 0 buyingQ4 25: 4 sellingQ1 26: 0 buyingQ1 26: 7 sellingQ1 26Q2 26: 0 buyingQ2 26: 1 sellingQ3 26: 0 buyingQ3 26: 2 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—2$196.8k—
Q1 20250—1$14.7k—
Q2 20250—2$774.0k—
Q3 20250—2$395.7k—
Q4 20250—4$1.7m—
Q1 20260—7$15.7m—
Q2 20260—1$198.2k—
Q3 20260—2$476.9k—
DateInsiderTradeSharesPrice ValueTheir holding
2026-09-14 Vellucci Vincent Director Sold 1,000 $235.15 $235.2k1.0k shares -12%
2026-09-02 Vellucci Vincent Director Sold 393 $243.61 $95.7k393 shares -4%
2026-08-12 GILBERT PETER E Director · By wife Sold 500 $292.12 $146.1k500 shares -40%
2026-06-01 Kozlovsky Suzanne Global Head of People Sold 731 $271.09 $198.2k731 shares -6%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BROWN ADVISORY INC 0.06% of their portfolio BALTIMORE, MD 125,953126.0k $36.7m $36.7m 0.06% Reduced -8.5k -8,451
2 MANGROVE PARTNERS IM, LLC 2.00% of their portfolio Greenwich, CT 104,706104.7k $30.5m $30.5m 2.00% Added +103.4k +103,430
3 BlackRock, Inc. 0.00% of their portfolio New York, NY 100,164100.2k $29.2m $29.2m 0.00% Added +9.0k +8,987
4 FMR LLC 0.00% of their portfolio BOSTON, MA 70,15570.2k $20.4m $20.4m 0.00% Reduced -7.4k -7,383
5 RENAISSANCE TECHNOLOGIES LLC 0.03% of their portfolio NEW YORK, NY 65,55365.6k $19.1m $19.1m 0.03% Reduced -2.7k -2,700
6 GABELLI FUNDS LLC 0.12% of their portfolio Rye, NY 63,30063.3k $18.4m $18.4m 0.12% Reduced -300 -300
7 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 58,58258.6k $17.1m $17.1m 0.00% Added +13.1k +13,071
8 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 57,78657.8k $16.8m $16.8m 0.00% Added +11.5k +11,491
9 Logan Stone Capital, LLC 3.32% of their portfolio CHICAGO, IL 54,02054.0k $15.7m $15.7m 3.32% New
10 GAMCO INVESTORS, INC. ET AL 0.14% of their portfolio GREENWICH, CT 53,00053.0k $15.4m $15.4m 0.14% Reduced -200 -200
11 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 51,33251.3k $14.9m $14.9m 0.01% Added +41.7k +41,674
12 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 46,93746.9k $13.7m $13.7m 0.00% Added +2.0k +2,050
13 Cable Car Capital, LP 0.59% of their portfolio SAN FRANCISCO, CA 46,46346.5k $13.5m $13.5m 0.59% Reduced -300 -300
14 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 44,73644.7k $13.0m $13.0m 0.00% Added +15.9k +15,946
15 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 42,48042.5k $12.4m $12.4m 0.01% Added +33.3k +33,323
16 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 40,37440.4k $11.8m $11.8m 0.00% Added +5.6k +5,589
17 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 40,17740.2k $11.7m $11.7m 0.00% Added +38.4k +38,352
18 Hound Partners, LLC 0.95% of their portfolio NEW YORK, NY 28,04828.0k $8.2m $8.2m 0.95% Reduced -6.8k -6,766
19 INVESTORS ASSET MANAGEMENT OF GEORGIA INC /GA/ /ADV 2.54% of their portfolio ATLANTA, GA 25,10625.1k $7.3m $7.3m 2.54% Reduced -675 -675
20 SANTA MONICA PARTNERS LP 3.68% of their portfolio PALM BEACH GARDENS, FL 23,43423.4k $6.8m $6.8m 3.68% Unchanged
21 BRASADA CAPITAL MANAGEMENT, LP 0.88% of their portfolio HOUSTON, TX 16,69516.7k $4.9m $4.9m 0.88% Reduced -1.0k -1,028
22 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 14,23714.2k $4.1m $4.1m 0.00% Added +2.5k +2,499
23 VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio London, EC4N 8AF, X0 11,34411.3k $3.3m $3.3m 0.00% New
24 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 10,15310.2k $3.0m $3.0m 0.00% Added +3.4k +3,366
25 Janney Montgomery Scott LLC 0.01% of their portfolio PHILADELPHIA, PA 9,1369.1k $2.7m $2.7m 0.01% Reduced -420 -420
26 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 9,0319.0k $2.6m $2.6m 0.00% Added +3.8k +3,806
27 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 8,5408.5k $2.5m $2.5m 0.00% Added +5.2k +5,164
28 Nitor Capital Management LLC 1.38% of their portfolio ENGLEWOOD CLIFFS, NJ 7,0007.0k $2.0m $2.0m 1.38% Unchanged
29 Triasima Portfolio Management inc. 0.27% of their portfolio MONTREAL, A8 6,9026.9k $2.0m $2.0m 0.27% Added +5.2k +5,160
30 UBS Group AG 0.00% of their portfolio ZURICH, V8 5,6585.7k $1.6m $1.6m 0.00% Reduced -1.5k -1,519
31 Man Group plc 0.00% of their portfolio LONDON, X0 5,4555.5k $1.6m $1.6m 0.00% New
32 HERALD INVESTMENT MANAGEMENT Ltd 0.20% of their portfolio LONDON, X0 5,0005.0k $1.5m $1.5m 0.20% Unchanged
33 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 4,9414.9k $1.5m $1.5m 0.00% New
34 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 4,7374.7k $1.4m $1.4m 0.00% Reduced -4.9k -4,944
35 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 4,6844.7k $1.4m $1.4m 0.00% Reduced -2.8k -2,791
36 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 4,5334.5k $1.3m $1.3m 0.00% Added +785 +785
37 LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio LOS ANGELES, CA 4,4854.5k $1.3m $1.3m 0.00% Added +3.2k +3,236
38 PenderFund Capital Management Ltd. 0.15% of their portfolio VANCOUVER, A1 4,1004.1k $1.2m $1.2m 0.15% Added +1.4k +1,400
39 Bank of New York Mellon Corp 0.00% of their portfolio NEW YORK, NY 4,0824.1k $1.2m $1.2m 0.00% Reduced -74 -74
40 GLOBEFLEX CAPITAL L P 0.13% of their portfolio SAN DIEGO, CA 3,5333.5k $1.0m $1.0m 0.13% New
41 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 3,3083.3k $963.4k $963.4k 0.00% Added +2.0k +2,000
42 Quantbot Technologies LP 0.04% of their portfolio NEW YORK, NY 3,0973.1k $901.9k $901.9k 0.04% Added +2.6k +2,622
43 State of Wyoming 0.09% of their portfolio CHEYENNE, WY 3,0073.0k $875.7k $875.7k 0.09% New
44 Swiss National Bank 0.00% of their portfolio ZURICH, V8 3,0003.0k $873.7k $873.7k 0.00% New
45 STRS OHIO 0.00% of their portfolio COLUMBUS, OH 2,8002.8k $815.4k $815.4k 0.00% Added +600 +600
46 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 2,6742.7k $778.7k $778.7k 0.00% Reduced -66 -66
47 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 2,5832.6k $752.2k $752.2k 0.00% Reduced -9.8k -9,792
48 XTX Topco Ltd 0.01% of their portfolio LONDON, X0 2,5632.6k $746.4k $746.4k 0.01% Reduced -2.7k -2,659
49 Allspring Global Investments Holdings, LLC 0.00% of their portfolio CHARLOTTE, NC 2,5172.5k $709.0k $709.0k 0.00% Added +1.5k +1,453
50 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 2,3072.3k $671.9k $671.9k 0.00% Added +2.2k +2,220
51 STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio MADISON, WI 2,3022.3k $670.4k $670.4k 0.00% Reduced -1.4k -1,388
52 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 2,2352.2k $650.9k $650.9k 0.00% Added +2 +2
53 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 1,9401.9k $565.0k $565.0k 0.00% New
54 PRELUDE CAPITAL MANAGEMENT, LLC 0.04% of their portfolio NEW YORK, NY 1,8831.9k $548.4k $548.4k 0.04% Reduced -693 -693
55 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 1,7991.8k $523.9k $523.9k 0.00% Added +1.5k +1,536
56 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 1,7461.7k $508.5k $508.5k 0.00% Added +1.1k +1,126
57 Altshuler Shaham Ltd 0.01% of their portfolio Tel Aviv, L3 1,6701.7k $632.0k $632.0k 0.01% New
58 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 1,4111.4k $411.0k $411.0k 0.00% Added +291 +291
59 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 1,3551.4k $394.6k $394.6k 0.00% New
60 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 1,3391.3k $385.1k $385.1k 0.00% Reduced -2.0k -1,971
61 FNY Investment Advisers, LLC 0.13% of their portfolio NEW YORK, NY 1,2391.2k $360.0k $360.0k 0.13% Added +179 +179
62 Abel Hall, LLC 0.06% of their portfolio BATON ROUGE, LA 1,1561.2k $336.7k $336.7k 0.06% Added +18 +18
63 Algorithmic Investment Models, LLC 0.38% of their portfolio Boston, MA 1,1191.1k $325.9k $325.9k 0.38% New
64 Americana Partners, LLC 0.01% of their portfolio Houston, TX 1,1011.1k $320.6k $320.6k 0.01% New
65 Jupiter Topco LLC 0.00% of their portfolio NEW YORK, NY 1,1001.1k $320.0k $320.0k 0.00% First filing
66 MetLife Investment Management, LLC 0.00% of their portfolio Whippany, NJ 1,0671.1k $310.7k $310.7k 0.00% Added +14 +14
67 Virtu Financial LLC 0.01% of their portfolio New York, NY 945945 $275.0k $275.0k 0.01% New
68 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 929929 $270.6k $270.6k 0.00% Added +759 +759
69 NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio ALBANY, NY 900900 $262.1k $262.1k 0.00% Unchanged
70 TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio AUSTIN, TX 893893 $260.1k $260.1k 0.00% New
71 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 865865 $251.9k $251.9k 0.00% New
72 OCCUDO QUANTITATIVE STRATEGIES LP 0.01% of their portfolio FORT LAUDERDALE, FL 797797 $232.1k $232.1k 0.01% New
73 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 796796 $231.8k $231.8k 0.00% New
74 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio CAUSEWAY BAY, K3 781781 $227.5k $227.5k 0.00% Reduced -22 -22
75 Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% of their portfolio FRANKFURT AM MAIN, 2M 710710 $206.8k $206.8k 0.00% New
76 FRANKLIN RESOURCES INC 0.00% of their portfolio San Mateo, CA 503503 $146.5k $146.5k 0.00% Reduced -60 -60
77 Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio TRENTON, NJ 503503 $146.5k $146.5k 0.00% Unchanged
78 BLAIR WILLIAM & CO/IL 0.00% of their portfolio CHICAGO, IL 501501 $145.9k $145.9k 0.00% Added +1 +1
79 Legal & General Group Plc 0.00% of their portfolio London, X0 487487 $141.8k $141.8k 0.00% Added +342 +342
80 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 456456 $132.8k $132.8k 0.00% Reduced -2.6k -2,585
81 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 394394 $114.7k $114.7k 0.00% Unchanged
82 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 366366 $106.6k $106.6k 0.00% Reduced -66 -66
83 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 305305 $88.8k $88.8k 0.00% Unchanged
84 NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio ST. LOUIS, MO 304304 $88.5k $88.5k 0.00% Added +273 +273
85 KLP KAPITALFORVALTNING AS 0.00% of their portfolio OSLO, Q8 300300 $87.4k $87.4k 0.00% New
86 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 260260 $75.7k $75.7k 0.00% Reduced -62 -62
87 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 250250 $72.8k $72.8k 0.00% First filing
88 Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio TOKYO, M0 200200 $58.2k $58.2k 0.00% New
89 Covestor Ltd 0.03% of their portfolio LONDON, X0 159159 $46.0k $46.0k 0.03% Added +159 +159
90 Ameritas Investment Partners, Inc. 0.00% of their portfolio LINCOLN, NE 134134 $39.0k $39.0k 0.00% Reduced -37 -37
91 GAMMA Investing LLC 0.00% of their portfolio FOSTER CITY, CA 107107 $31.2k $31.2k 0.00% Added +11 +11
92 ROYAL BANK OF CANADA 0.00% of their portfolio TORONTO, A6 5858 $17.0k $17.0k 0.00% Added +38 +38
93 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% of their portfolio Paris, I0 4444 $12.8k $12.8k 0.00% New
94 Caitong International Asset Management Co., Ltd 0.00% of their portfolio HONG KONG, K3 4141 $11.9k $11.9k 0.00% New
95 IFP Advisors, Inc 0.00% of their portfolio TAMPA, FL 2626 $7.6k $7.6k 0.00% Reduced -250 -250
96 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 1616 $4.7k $4.7k 0.00% New
97 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 1414 $4.1k $4.1k 0.00% New
98 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 1414 $4.1k $4.1k 0.00% Reduced -8 -8
99 ExodusPoint Capital Management, LP 0.00% of their portfolio NEW YORK, NY 1313 $3.8k $3.8k 0.00% New
100 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 99 $2.6k $2.6k 0.00% Added +7 +7