BEL FUSE INC-CL A (BELFA) Institutional Shareholders
BEL FUSE INC-CL A (BELFA) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $386.56M in BELFA holdings during the latest filing period.
Brown Advisory Inc is currently the largest disclosed institutional shareholder of BELFA tracked by InsiderSet, reporting ownership valued at approximately $36.68M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $24.54M, representing an estimated loss of -33.10% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed BELFA value among the investors covered in this analysis. Major shareholders include Brown Advisory Inc, Mangrove Partners Im, Llc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in BEL FUSE INC-CL A (BELFA).
This page ranks the largest institutional BELFA shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
106
Total Reported Value
$386.56M
Largest Holder
Brown Advisory Inc
Largest Position
$36.68M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
126
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Brown Advisory Inc | 0.06% | 125,953 | $36,681,407 | $24,538,163 | -$12,143,244 | -33.10% | |
| Mangrove Partners Im, Llc | 2.00% | 104,706 | $30,493,528 | $20,398,823 | -$10,094,705 | -33.10% | |
| Blackrock, Inc. | 0.00% | 100,164 | $29,170,763 | $19,513,950 | -$9,656,813 | -33.10% | |
| Fmr Llc | 0.00% | 70,155 | $20,431,159 | $13,667,597 | -$6,763,562 | -33.10% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 65,553 | $19,091,000 | $12,771,035 | -$6,319,965 | -33.10% |
| Gabelli Funds Llc | 0.12% | 63,300 | $18,434,859 | $12,332,106 | -$6,102,753 | -33.10% | |
| Vanguard Capital Management Llc | 0.00% | 58,582 | $17,060,836 | $11,412,945 | -$5,647,891 | -33.10% | |
| Vanguard Portfolio Management Llc | 0.00% | 57,786 | $16,829,017 | $11,257,869 | -$5,571,148 | -33.10% | |
| Logan Stone Capital, Llc | 3.32% | 54,020 | $15,732,245 | $10,524,176 | -$5,208,069 | -33.10% | |
| Gamco Investors, Inc. Et Al | 0.14% | 53,000 | $15,435,190 | $10,325,460 | -$5,109,730 | -33.10% | |
| Marshall Wace, Llp | 0.01% | 51,332 | $14,949,418 | $10,000,500 | -$4,948,918 | -33.10% | |
| Dimensional Fund Advisors Lp | 0.00% | 46,937 | $13,669,463 | $9,144,266 | -$4,525,197 | -33.10% | |
| Cable Car Capital, Lp | 0.29% | 46,463 | $13,531,419 | $9,051,922 | -$4,479,497 | -33.10% | |
| State Street Corp | 0.00% | 44,736 | $13,028,465 | $8,715,468 | -$4,312,997 | -33.10% | |
| Qube Research & Technologies Ltd | 0.01% | 42,480 | $12,371,450 | $8,275,954 | -$4,095,496 | -33.10% | |
| Geode Capital Management, Llc | 0.00% | 40,374 | $11,761,042 | $7,865,663 | -$3,895,379 | -33.12% | |
| Bank Of America Corp | 0.00% | 40,177 | $11,700,747 | $7,827,283 | -$3,873,464 | -33.10% | |
| Hound Partners, Llc | 0.95% | 28,048 | $8,168,419 | $5,464,311 | -$2,704,108 | -33.10% | |
| Investors Asset Management Of Georgia Inc | 2.54% | 25,106 | $7,311,620 | $4,891,151 | -$2,420,469 | -33.10% | |
| Brasada Capital Management, Lp | 0.88% | 16,695 | $4,862,085 | $3,252,520 | -$1,609,565 | -33.10% | |
| Northern Trust Corp | 0.00% | 14,237 | $4,146,241 | $2,773,652 | -$1,372,589 | -33.10% | |
| Vanguard Asset Management, Ltd | 0.00% | 11,344 | $3,303,713 | $2,210,038 | -$1,093,675 | -33.10% | |
| Vanguard Fiduciary Trust Co | 0.00% | 10,153 | $2,956,858 | $1,978,007 | -$978,851 | -33.10% | |
| Janney Montgomery Scott Llc | 0.01% | 9,136 | $2,661,000 | $1,779,876 | -$881,124 | -33.11% | |
| Goldman Sachs Group Inc | 0.00% | 9,031 | $2,630,099 | $1,759,419 | -$870,680 | -33.10% | |
| Citigroup Inc | 0.00% | 8,540 | $2,487,104 | $1,663,763 | -$823,341 | -33.10% | |
| Nitor Capital Management Llc | 1.38% | 7,000 | $2,038,610 | $1,363,740 | -$674,870 | -33.10% | |
| Triasima Portfolio Management Inc. | 0.27% | 6,902 | $2,010,069 | $1,344,648 | -$665,421 | -33.10% | |
| Ubs Group Ag | 0.00% | 5,658 | $1,647,780 | $1,102,292 | -$545,488 | -33.10% | |
| Man Group Plc | 0.00% | 5,455 | $1,588,660 | $1,062,743 | -$525,917 | -33.10% | |
| Ameriprise Financial Inc | 0.00% | 4,941 | $1,467,800 | $962,606 | -$505,194 | -34.42% | |
| Herald Investment Management Ltd | 0.20% | 5,000 | $1,453,050 | $974,100 | -$478,950 | -32.96% | |
| Sei Investments Co | 0.00% | 4,737 | $1,379,557 | $922,862 | -$456,695 | -33.10% | |
| Morgan Stanley | 0.00% | 4,684 | $1,364,247 | $912,537 | -$451,710 | -33.11% | |
| Point72 Asset Management, L.P. | 0.00% | 4,533 | $1,320,146 | $883,119 | -$437,027 | -33.10% | |
| Los Angeles Capital Management Llc | 0.00% | 4,485 | $1,306,167 | $873,768 | -$432,399 | -33.10% | |
| Penderfund Capital Management Ltd. | 0.15% | 4,100 | $1,194,043 | $798,762 | -$395,281 | -33.10% | |
| Bank Of New York Mellon Corp | 0.00% | 4,082 | $1,188,694 | $795,255 | -$393,439 | -33.10% | |
| Globeflex Capital L P | 0.13% | 3,533 | $1,028,916 | $688,299 | -$340,617 | -33.10% | |
| Deutsche Bank Ag\ | 0.00% | 3,308 | $963,389 | $644,465 | -$318,924 | -33.10% | |
| Quantbot Technologies Lp | 0.04% | 3,097 | $901,939 | $603,358 | -$298,581 | -33.10% | |
| State Of Wyoming | 0.09% | 3,007 | $875,729 | $585,824 | -$289,905 | -33.10% | |
| Swiss National Bank | 0.00% | 3,000 | $873,690 | $584,460 | -$289,230 | -33.10% | |
| Strs Ohio | 0.00% | 2,800 | $815,444 | $545,496 | -$269,948 | -33.10% | |
| Rhumbline Advisers | 0.00% | 2,674 | $778,742 | $520,949 | -$257,793 | -33.10% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 2,583 | $752,247 | $503,220 | -$249,027 | -33.10% | |
| Xtx Topco Ltd | 0.01% | 2,563 | $746,422 | $499,324 | -$247,098 | -33.10% | |
| Allspring Global Investments Holdings, Llc | 0.00% | 2,517 | $708,963 | $490,362 | -$218,601 | -30.83% | |
| California State Teachers Retirement System | 0.00% | 2,307 | $671,868 | $449,450 | -$222,418 | -33.10% | |
| State Of Wisconsin Investment Board | 0.00% | 2,302 | $670,411 | $448,476 | -$221,935 | -33.10% |
Frequently asked questions about BELFA
Who owns the most BELFA stock?
The largest holders of BELFA are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for BEL FUSE INC-CL A (BELFA).
Is BELFA widely held by superinvestors?
Many widely followed stocks like BELFA appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly BELFA is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.