Who owns Frequency Electronics, Inc. (FEIM)
Which tracked institutional funds hold FEIM, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See FEIM company fundamentals →
Ownership as of the 2026-Q1 13F filings (latest filed 2026-05-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
24 tracked funds added or opened FEIM while 42 trimmed or exited it between 2025-Q4 and 2026-Q1 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
FEIM’s largest tracked holder by dollar value, Edenbrook Capital, LLC, sizes it at 42.4% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 42.4pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in FEIM divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2025-Q4 and 2026-Q1, across 128 tracked filers holding FEIM, 69 increased or opened the position and 65 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in FEIM between the 2025-Q4 and 2026-Q1 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 14
- VANGUARD CAPITAL MANAGEMENT LLC$13M
- MYDA Advisors LLC$6M
- CITADEL ADVISORS LLC$4M
- VANGUARD PORTFOLIO MANAGEMENT LLC$3M
- VANGUARD FIDUCIARY TRUST CO$2M
- Defiance ETFs, LLC$2M
Full exits 7
- VANGUARD GROUP INC$24M
- Invesco Ltd.$9M
- Nokomis Capital, L.L.C.$3M
- XTX Topco Ltd$1M
- Virtu Financial LLC$980K
- ALPS ADVISORS INC$913K
Largest adds
- Driehaus Capital Management LLC$5M
- GOLDMAN SACHS GROUP INC$4M
- G2 Investment Partners Management LLC$3M
- SEI INVESTMENTS CO$2M
- BOOTHBAY FUND MANAGEMENT, LLC$651K
- TWO SIGMA INVESTMENTS, LP$601K
Largest trims
- Edenbrook Capital, LLC$18M
- SEGALL BRYANT & HAMILL, LLC$7M
- BlackRock, Inc.$4M
- MILLENNIUM MANAGEMENT LLC$4M
- RENAISSANCE TECHNOLOGIES LLC$2M
- NEXT CENTURY GROWTH INVESTORS LLC$2M
Institutional holders
One row per tracked fund, largest reported value first. “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding. Rows marked stale are from an earlier filing than the security’s latest quarter — that fund is absent from the newest snapshot (position exited, or reported under a different name).
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| Edenbrook Capital, LLC | 1,873,810 | $83M | 23.1% | 2026-Q1 |
| Driehaus Capital Management LLC added | 491,901 | $22M | 6.1% | 2026-Q1 |
| BlackRock, Inc. added | 474,878 | $21M | 5.8% | 2026-Q1 |
| VANGUARD CAPITAL MANAGEMENT LLC new | 282,441 | $13M | 3.5% | 2026-Q1 |
| GOLDMAN SACHS GROUP INC added | 264,681 | $12M | 3.3% | 2026-Q1 |
| DIMENSIONAL FUND ADVISORS LP added | 257,402 | $11M | 3.2% | 2026-Q1 |
| NEXT CENTURY GROWTH INVESTORS LLC trimmed | 216,374 | $10M | 2.7% | 2026-Q1 |
| SEGALL BRYANT & HAMILL, LLC trimmed | 212,115 | $9M | 2.6% | 2026-Q1 |
| GEODE CAPITAL MANAGEMENT, LLC added | 160,342 | $7M | 2.0% | 2026-Q1 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 155,098 | $7M | 1.9% | 2026-Q1 |
| Portolan Capital Management, LLC added | 150,141 | $7M | 1.8% | 2026-Q1 |
| MYDA Advisors LLC added | 140,000 | $6M | 1.7% | 2026-Q1 |
| STATE STREET CORP trimmed | 133,228 | $6M | 1.6% | 2026-Q1 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC added | 132,059 | $6M | 1.6% | 2026-Q1 |
| UBS Group AG added | 120,664 | $5M | 1.5% | 2026-Q1 |
| G2 Investment Partners Management LLC added | 112,289 | $5M | 1.4% | 2026-Q1 |
| TWO SIGMA INVESTMENTS, LP added | 109,493 | $5M | 1.3% | 2026-Q1 |
| ESSEX INVESTMENT MANAGEMENT CO LLC added | 93,026 | $4M | 1.1% | 2026-Q1 |
| SEI INVESTMENTS CO added | 91,706 | $4M | 1.1% | 2026-Q1 |
| CITADEL ADVISORS LLC added | 88,513 | $4M | 1.1% | 2026-Q1 |
| MORGAN STANLEY added | 88,361 | $4M | 1.1% | 2026-Q1 |
| Apis Capital Advisors, LLC trimmed | 85,953 | $4M | 1.1% | 2026-Q1 |
| VANGUARD PORTFOLIO MANAGEMENT LLC new | 69,989 | $3M | 0.9% | 2026-Q1 |
| NORTHERN TRUST CORP added | 63,948 | $3M | 0.8% | 2026-Q1 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | 60,070 | $3M | 0.7% | 2026-Q1 |
| Allspring Global Investments Holdings, LLC added | 57,350 | $3M | 0.7% | 2026-Q1 |
| Sowell Financial Services LLC trimmed | 50,004 | $2M | 0.6% | 2026-Q1 |
| Informed Momentum Co LLC trimmed | 46,943 | $2M | 0.6% | 2026-Q1 |
| VANGUARD FIDUCIARY TRUST CO new | 46,362 | $2M | 0.6% | 2026-Q1 |
| Round Rock Advisors LLC trimmed | 46,092 | $2M | 0.6% | 2026-Q1 |
| Janney Montgomery Scott LLC trimmed | 45,970 | $2M | 0.6% | 2026-Q1 |
| Defiance ETFs, LLC new | 42,693 | $2M | 0.5% | 2026-Q1 |
| Penserra Capital Management LLC new | 42,693 | $2M | 0.5% | 2026-Q1 |
| Huntleigh Advisors, Inc. added | 36,468 | $2M | 0.4% | 2026-Q1 |
| PRINCIPAL FINANCIAL GROUP INC trimmed | 34,249 | $2M | 0.4% | 2026-Q1 |
| Russell Investments Group, Ltd. added | 34,078 | $2M | 0.4% | 2026-Q1 |
| LPL Financial LLC added | 33,215 | $1M | 0.4% | 2026-Q1 |
| Covestor Ltd new | 31,763 | $1M | 0.4% | 2026-Q1 |
| Bank of New York Mellon Corp added | 31,282 | $1M | 0.4% | 2026-Q1 |
| Integrated Wealth Concepts LLC trimmed | 31,251 | $1M | 0.4% | 2026-Q1 |
| Legato Capital Management LLC trimmed | 29,118 | $1M | 0.4% | 2026-Q1 |
| THOMPSON DAVIS & CO., INC. added | 28,615 | $1M | 0.4% | 2026-Q1 |
| BOOTHBAY FUND MANAGEMENT, LLC added | 28,613 | $1M | 0.4% | 2026-Q1 |
| JANE STREET GROUP, LLC trimmed | 26,220 | $1M | 0.3% | 2026-Q1 |
| GSA CAPITAL PARTNERS LLP trimmed | 25,535 | $1M | 0.3% | 2026-Q1 |
| MARSHALL WACE, LLP trimmed | 24,539 | $1M | 0.3% | 2026-Q1 |
| AMERIPRISE FINANCIAL INC trimmed | 22,090 | $978K | 0.3% | 2026-Q1 |
| FIRST TRUST ADVISORS LP added | 21,818 | $966K | 0.3% | 2026-Q1 |
| ROYAL BANK OF CANADA trimmed | 21,393 | $947K | 0.3% | 2026-Q1 |
| KORNITZER CAPITAL MANAGEMENT INC /KS trimmed | 19,429 | $860K | 0.2% | 2026-Q1 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC trimmed | 19,335 | $856K | 0.2% | 2026-Q1 |
| Congruence Capital, LLC new | 17,996 | $797K | 0.2% | 2026-Q1 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP added | 15,907 | $704K | 0.2% | 2026-Q1 |
| Squarepoint Ops LLC new | 13,160 | $582K | 0.2% | 2026-Q1 |
| Pekin Hardy Strauss, Inc. trimmed | 13,075 | $579K | 0.2% | 2026-Q1 |
| VILLERE ST DENIS J & CO LLC trimmed | 11,696 | $518K | 0.1% | 2026-Q1 |
| Raiffeisen Bank International AG new | 12,000 | $515K | 0.1% | 2026-Q1 |
| NAVELLIER & ASSOCIATES INC trimmed | 11,520 | $510K | 0.1% | 2026-Q1 |
| MILLENNIUM MANAGEMENT LLC trimmed | 11,251 | $498K | 0.1% | 2026-Q1 |
| MORGAN DEMPSEY CAPITAL MANAGEMENT LLC added | 10,914 | $483K | 0.1% | 2026-Q1 |
| MOODY NATIONAL BANK TRUST DIVISION trimmed | 10,580 | $468K | 0.1% | 2026-Q1 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC trimmed | 10,001 | $443K | 0.1% | 2026-Q1 |
| TUDOR INVESTMENT CORP ET AL new | 9,712 | $430K | 0.1% | 2026-Q1 |
| Tidal Investments LLC trimmed | 9,594 | $425K | 0.1% | 2026-Q1 |
| BANK OF AMERICA CORP /DE/ added | 9,565 | $423K | 0.1% | 2026-Q1 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC trimmed | 9,000 | $398K | 0.1% | 2026-Q1 |
| NEEDHAM INVESTMENT MANAGEMENT LLC trimmed | 9,000 | $398K | 0.1% | 2026-Q1 |
| Nuveen, LLC | 8,537 | $378K | 0.1% | 2026-Q1 |
| RHUMBLINE ADVISERS added | 7,603 | $337K | 0.1% | 2026-Q1 |
| Calamos Advisors LLC added | 7,598 | $336K | 0.1% | 2026-Q1 |
| SAPIENT CAPITAL LLC | 7,380 | $327K | 0.1% | 2026-Q1 |
| Steadtrust LLC | 7,000 | $310K | 0.1% | 2026-Q1 |
| RITHOLTZ WEALTH MANAGEMENT trimmed | 6,948 | $308K | 0.1% | 2026-Q1 |
| COMMONWEALTH EQUITY SERVICES, LLC added | 6,756 | $299K | 0.1% | 2026-Q1 |
| XML Financial, LLC added | 6,500 | $288K | 0.1% | 2026-Q1 |
| Advisory Services Network, LLC trimmed | 6,189 | $274K | 0.1% | 2026-Q1 |
| Vanguard Global Advisers, LLC new | 5,953 | $263K | 0.1% | 2026-Q1 |
| VANGUARD GROUP INC trimmed | 444,677 | $24M | 6.7% | 2025-Q4 stale |
| Invesco Ltd. added | 175,441 | $9M | 2.6% | 2025-Q4 stale |
| Nokomis Capital, L.L.C. trimmed | 57,617 | $3M | 0.9% | 2025-Q4 stale |
| XTX Topco Ltd added | 18,941 | $1M | 0.3% | 2025-Q4 stale |
| Virtu Financial LLC new | 18,197 | $980K | 0.3% | 2025-Q4 stale |
| ALPS ADVISORS INC added | 16,952 | $913K | 0.3% | 2025-Q4 stale |
| GatePass Capital, LLC new | 25,000 | $848K | 0.2% | 2025-Q3 stale |
| Militia Capital Partners, LP new | 29,800 | $677K | 0.2% | 2025-Q2 stale |
| Cubist Systematic Strategies, LLC added | 19,141 | $649K | 0.2% | 2025-Q3 stale |
| TWO SIGMA ADVISERS, LP trimmed | 11,700 | $630K | 0.2% | 2025-Q4 stale |
| SMITH, MOORE & CO. trimmed | 23,600 | $536K | 0.1% | 2025-Q2 stale |
| AMERICAN CENTURY COMPANIES INC added | 14,114 | $479K | 0.1% | 2025-Q3 stale |
| BALYASNY ASSET MANAGEMENT L.P. new | 11,605 | $394K | 0.1% | 2025-Q3 stale |
| Arete Wealth Advisors, LLC new | 17,145 | $389K | 0.1% | 2025-Q2 stale |
| Marex Group plc trimmed | 6,731 | $362K | 0.1% | 2025-Q4 stale |
| Hillsdale Investment Management Inc. | 15,700 | $357K | 0.1% | 2025-Q2 stale |
| OCCUDO QUANTITATIVE STRATEGIES LP new | 15,000 | $341K | 0.1% | 2025-Q2 stale |
| Trexquant Investment LP new | 21,141 | $331K | 0.1% | 2025-Q1 stale |
| Jump Financial, LLC new | 12,732 | $289K | 0.1% | 2025-Q2 stale |
| Aristides Capital LLC trimmed | 5,202 | $280K | 0.1% | 2025-Q4 stale |
| Walleye Capital LLC new | 8,255 | $280K | 0.1% | 2025-Q3 stale |
| Schonfeld Strategic Advisors LLC added | 17,761 | $278K | 0.1% | 2025-Q1 stale |
| ALGERT GLOBAL LLC new | 12,120 | $275K | 0.1% | 2025-Q2 stale |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.