FREQUENCY ELECTRONICS INC (FEIM) Top Institutional Shareholders
FREQUENCY ELECTRONICS INC (FEIM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $300.06M in FEIM holdings during the latest filing period.
Edenbrook Capital, Llc is currently the largest disclosed institutional shareholder of FEIM tracked by InsiderSet, reporting ownership valued at approximately $82.93M in its March 31, 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 $131.58M, representing an estimated gain of +58.65% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 64% of the total disclosed FEIM value among the investors covered in this analysis. Major shareholders include Edenbrook Capital, Llc, Driehaus Capital Management Llc, Blackrock, Inc., and several other long-term asset managers with concentrated positions in FREQUENCY ELECTRONICS INC (FEIM).
This page ranks the largest institutional FEIM 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
126
Total Reported Value
$300.06M
Largest Holder
Edenbrook Capital, Llc
Largest Position
$82.93M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
147
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Edenbrook Capital, Llc | 42.40% | 1,873,810 | $82,934,831 | $131,578,938 | +$48,644,107 | +58.65% | |
| Driehaus Capital Management Llc | 0.16% | 491,901 | $21,771,538 | $34,541,288 | +$12,769,750 | +58.65% | |
| Blackrock, Inc. | 0.00% | 474,878 | $21,018,100 | $33,345,933 | +$12,327,833 | +58.65% | |
| Vanguard Capital Management Llc | 0.00% | 282,441 | $12,500,839 | $19,833,007 | +$7,332,168 | +58.65% | |
| Goldman Sachs Group Inc | 0.00% | 264,681 | $11,714,781 | $18,585,900 | +$6,871,119 | +58.65% | |
| Dimensional Fund Advisors Lp | 0.00% | 257,402 | $11,390,573 | $18,074,768 | +$6,684,195 | +58.68% | |
| Next Century Growth Investors Llc | 0.69% | 216,374 | $9,576,713 | $15,193,782 | +$5,617,069 | +58.65% | |
| Geode Capital Management, Llc | 0.00% | 160,342 | $7,098,935 | $11,259,215 | +$4,160,280 | +58.60% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 155,098 | $6,864,637 | $10,890,982 | +$4,026,345 | +58.65% |
| Portolan Capital Management, Llc | 0.35% | 150,141 | $6,645,241 | $10,542,901 | +$3,897,660 | +58.65% | |
| Myda Advisors Llc | 1.46% | 140,000 | $6,196,400 | $9,830,800 | +$3,634,400 | +58.65% | |
| State Street Corp | 0.00% | 133,228 | $5,896,671 | $9,355,270 | +$3,458,599 | +58.65% | |
| Silvercrest Asset Management Group Llc | 0.04% | 132,059 | $5,844,931 | $9,273,183 | +$3,428,252 | +58.65% | |
| Ubs Group Ag | 0.00% | 120,664 | $5,340,589 | $8,473,026 | +$3,132,437 | +58.65% | |
| G2 Investment Partners Management Llc | 1.22% | 112,289 | $4,969,911 | $7,884,934 | +$2,915,023 | +58.65% | |
| Two Sigma Investments, Lp | 0.00% | 109,493 | $4,846,160 | $7,688,598 | +$2,842,438 | +58.65% | |
| Essex Investment Management Co Llc | 0.65% | 93,026 | $4,117,331 | $6,532,286 | +$2,414,955 | +58.65% | |
| Sei Investments Co | 0.00% | 91,706 | $4,058,908 | $6,439,595 | +$2,380,687 | +58.65% | |
| Citadel Advisors Llc | 0.00% | 88,513 | $3,917,585 | $6,215,383 | +$2,297,798 | +58.65% | |
| Morgan Stanley | 0.00% | 88,361 | $3,910,858 | $6,204,709 | +$2,293,851 | +58.65% | |
| Apis Capital Advisors, Llc | 0.59% | 85,953 | $3,804,280 | $6,035,620 | +$2,231,340 | +58.65% | |
| Vanguard Portfolio Management Llc | 0.00% | 69,989 | $3,097,713 | $4,914,628 | +$1,816,915 | +58.65% | |
| Northern Trust Corp | 0.00% | 63,948 | $2,830,339 | $4,490,429 | +$1,660,090 | +58.65% | |
| Corsair Capital Management, L.P. | 0.40% | 60,070 | $2,658,698 | $4,218,115 | +$1,559,417 | +58.65% | |
| Allspring Global Investments Holdings, Llc | 0.00% | 57,350 | $2,538,311 | $4,027,117 | +$1,488,806 | +58.65% | |
| Sowell Financial Services Llc | 0.08% | 50,004 | $2,213,177 | $3,511,281 | +$1,298,104 | +58.65% | |
| Informed Momentum Co Llc | 0.24% | 46,943 | $2,077,697 | $3,296,337 | +$1,218,640 | +58.65% | |
| Vanguard Fiduciary Trust Co | 0.00% | 46,362 | $2,051,982 | $3,255,540 | +$1,203,558 | +58.65% | |
| Round Rock Advisors Llc | 0.31% | 46,092 | $2,040,032 | $3,236,580 | +$1,196,548 | +58.65% | |
| Defiance Etfs, Llc | 0.03% | 42,693 | $1,889,592 | $2,997,902 | +$1,108,310 | +58.65% | |
| Huntleigh Advisors, Inc. | 0.28% | 36,468 | $1,614,076 | $2,560,783 | +$946,707 | +58.65% | |
| Principal Financial Group Inc | 0.00% | 34,249 | $1,515,860 | $2,404,965 | +$889,105 | +58.65% | |
| Russell Investments Group, Ltd. | 0.00% | 34,078 | $1,508,290 | $2,392,957 | +$884,667 | +58.65% | |
| Lpl Financial Llc | 0.00% | 33,215 | $1,470,096 | $2,332,357 | +$862,261 | +58.65% | |
| Bank Of New York Mellon Corp | 0.00% | 31,282 | $1,384,562 | $2,196,622 | +$812,060 | +58.65% | |
| Integrated Wealth Concepts Llc | 0.01% | 31,251 | $1,383,169 | $2,194,445 | +$811,276 | +58.65% | |
| Legato Capital Management Llc | 0.12% | 29,118 | $1,288,763 | $2,044,666 | +$755,903 | +58.65% | |
| Thompson Davis & Co., Inc. | 0.84% | 28,615 | $1,266,500 | $2,009,345 | +$742,845 | +58.65% | |
| Boothbay Fund Management, Llc | 0.03% | 28,613 | $1,266,411 | $2,009,205 | +$742,794 | +58.65% | |
| Jane Street Group, Llc | 0.00% | 26,220 | $1,160,497 | $1,841,168 | +$680,671 | +58.65% | |
| Marshall Wace, Llp | 0.00% | 24,539 | $1,086,096 | $1,723,129 | +$637,033 | +58.65% | |
| Ameriprise Financial Inc | 0.00% | 22,090 | $977,703 | $1,551,160 | +$573,457 | +58.65% | |
| First Trust Advisors Lp | 0.00% | 21,818 | $965,672 | $1,532,060 | +$566,388 | +58.65% | |
| Royal Bank Of Canada | 0.00% | 21,393 | $947,000 | $1,502,216 | +$555,216 | +58.63% | |
| Kornitzer Capital Management Inc | 0.02% | 19,429 | $859,928 | $1,364,304 | +$504,376 | +58.65% | |
| Charles Schwab Investment Management Inc | 0.00% | 19,335 | $855,767 | $1,357,704 | +$501,937 | +58.65% | |
| Congruence Capital, Llc | 0.27% | 17,996 | $796,504 | $1,263,679 | +$467,175 | +58.65% | |
| Susquehanna International Group, Llp | 0.00% | 15,907 | $704,044 | $1,116,990 | +$412,946 | +58.65% | |
| Squarepoint Ops Llc | 0.00% | 13,160 | $582,462 | $924,095 | +$341,633 | +58.65% | |
| Pekin Hardy Strauss, Inc. | 0.06% | 13,075 | $578,699 | $918,127 | +$339,428 | +58.65% |
Frequently asked questions about FEIM
Who owns the most FEIM stock?
The largest holders of FEIM 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 FREQUENCY ELECTRONICS INC (FEIM).
Is FEIM widely held by superinvestors?
Many widely followed stocks like FEIM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly FEIM 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.