SEC ownership of FREQUENCY ELECTRONICS INC

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000039020.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

Edenbrook Capital, LLC

Comparable rows

50/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
VANGUARD GROUP INC
Latest parsed ownership date
31 Mar 2026
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000039020
Issuer location
Mitchel Field, NY

Ownership snapshot

Top shareholders of FREQUENCY ELECTRONICS INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
Edenbrook Capital, LLC
Comparable rows
50/50
Latest evidence
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 4.8% 13D/G row: VANGUARD GROUP INC Showing 1-8 of 50 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 4.8%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership Top 5
VANGUARD GROUP INC 4.8%
DIMENSIONAL FUND ADVISORS LP 4.8%
Thomas Mcclelland 1%
Richard Schwartz 0.44%
Oleandro Mancini 0.35%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD GROUP INC
13D/G
The Vanguard Group
4.8%
$16,055,503
473,474 shares
-$1,342,463 30 Sep 2025
DIMENSIONAL FUND ADVISORS LP
13F 13D/G
Company
4.8%
from 13D/G
$11,390,573
257,402 shares
31 Mar 2026
Thomas Mcclelland
3/4/5
President and CEO
1%
$1,798,005
99,723 shares
23 Apr 2025
Richard Schwartz
3/4/5
Director
0.44%
$738,910
42,761 shares
17 Apr 2025
Oleandro Mancini
3/4/5
Sr. VP Business Development
0.35%
$610,784
33,876 shares
23 Apr 2025
Edenbrook Capital, LLC
13F 3/4/5
Company · Director, 10%+ Owner
19%
$82,934,831
1,873,810 shares
31 Mar 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
13F
Company
13F
5%
$21,771,538
491,901 shares
31 Mar 2026
BlackRock, Inc.
13F
Company
13F
4.9%
$21,018,100
474,878 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 08 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-12 of 12 reporting-owner rows connected to FREQUENCY ELECTRONICS INC. Open a relationship link for the CIK-to-CIK filing trail.

Rows
12
Largest Forms 3/4/5 holder
Jonathan Brolin
Net 12M change
$0
Latest report
23 Apr 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Jonathan Brolin Director, 10%+ Owner $20,604,135 Mixed 31 Oct 2023
Edenbrook Capital, LLC Director, 10%+ Owner $15,926,922 Filing P/S 20 Mar 2024
Russell M. Sarachek Director $7,286,056 Filing P/S 27 Mar 2025
Thomas Mcclelland President and CEO $1,798,005 Mixed 23 Apr 2025
Richard Schwartz Director $738,910 Mixed 17 Apr 2025
Oleandro Mancini Sr. VP Business Development $610,784 Mixed 23 Apr 2025
Lance W. Lord Director $309,506 Mixed 31 Oct 2024
Stanton D. Sloane President and CEO, Director $252,375 Mixed 30 Jul 2021
Steven Lawrence Bernstein Chief Financial Officer $171,191 Mixed 17 Jan 2023
Steven E. Strang President FEI-Zyfer $92,430 Mixed 01 Nov 2021
John Patrick Caulfield VP of Manufacturing $45,078 Mixed 01 Nov 2021
Adrian Lalicata VP of RF and Microwave Systems $10,095 Mixed 01 Nov 2021

Recent insider transactions for FREQUENCY ELECTRONICS INC

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .