Institutional shares held 25.8 Million
18.8K calls
3K puts
Total value of holdings $5.68B
$4.14M calls
$661K puts
Market Cap $5.7B
25,852,600 Shares Out.
Institutional ownership 99.78%
# of Institutions 384


Latest Institutional Activity in ESE

Top Purchases

Q3 2025
Capital World Investors Shares Held: 444K ($97.8M)
Q3 2025
Alliancebernstein L.P. Shares Held: 432K ($95.2M)
Q3 2025
Invesco Ltd. Shares Held: 891K ($196M)
Q3 2025
Tributary Capital Management, LLC Shares Held: 312K ($68.7M)
Q3 2025
Millennium Management LLC Shares Held: 186K ($41.1M)

Top Sells

Q3 2025
Neuberger Berman Group LLC Shares Held: 856K ($189M)
Q3 2025
Conestoga Capital Advisors, LLC Shares Held: 873K ($192M)
Q3 2025
Morgan Stanley Shares Held: 591K ($130M)
Q3 2025
Dimensional Fund Advisors LP Shares Held: 727K ($160M)
Q3 2025
Vanguard Group Inc Shares Held: 2.95M ($650M)

About ESE

ESCO Technologies Inc. produces and supplies engineered products and systems for industrial and commercial markets worldwide. It operates through Aerospace & Defense, Utility Solutions Group, and RF Shielding and Test segments. The Aerospace & Defense segment designs and manufactures filtration products, including hydraulic filter elements and fluid control devices used in commercial aerospace applications; filter mechanisms used in micro-propulsion devices for satellites; and custom designed filters for manned aircraft and submarines. It also designs, develops, and manufactures elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries. The Utility Solutions Group segment provides diagnostic testing solutions that enable electric power grid operators to assess the integrity of high-voltage power delivery equipment; and decision support tools for the renewable energy industry, primarily wind and solar. The RF Shielding and Test segment designs and manufactures RF test and secure communication facilities, acoustic test enclosures, RF and magnetically shielded rooms, RF measurement systems, and broadcast and recording studios; and RF absorptive materials and filters, active compensation systems, antennas, antenna masts, turntables, electric and magnetic probes, RF test cells, proprietary measurement software, and other test accessories to perform various tests. It also provides services, such as calibration for antennas and field probes, chamber certification, field surveys, customer training, and various product tests. The company distributes its products through a network of distributors, sales representatives, direct sales teams, and in-house sales personnel. The company was incorporated in 1990 and is based in St. Louis, Missouri.


Insider Transactions at ESE

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
54.4K Shares
From 9 Insiders
Exercise of conversion of derivative security 23.9K shares
Grant, award, or other acquisition 30.4K shares
Sell / Disposition
45K Shares
From 8 Insiders
Open market or private sale 24.2K shares
Payment of exercise price or tax liability 20.8K shares

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