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Ametek AME

Ametek is the 218th largest S&P 500 company by market cap, worth $55.0 billion. 9 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 8 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 11.9% of the company.

CEO
David A. Zapico
Sector
Industrials
Sub-industry
Electrical Components & Equipment
Headquarters
Berwyn, Pennsylvania
Founded
1930
More
Wikipedia
Market cap
$55.0B
218th largest, 23 Oct 2026 close
Revenue
$7.4B
Fiscal year 2025
Price to sales
7.4
Market cap over revenue
Employees
22,500
10-K, 31 Dec 2025
Market cap per employee
$2.4M
Market cap over employees
Connections
3
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Ametek. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 30.6% of Ametek.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

3 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (9)
David A. ZapicoChief Executive OfficerAlso at Rockwell AutomationLast filed 23 Mar 2026Chief Executive Officer
Thomas A. AmatoDirectorLast filed 25 Mar 2026Director
Tod E. CarpenterDirectorLast filed 18 Mar 2026Director
Anthony James ContiDirectorLast filed 18 Mar 2026Director
Gretchen W. McClainDirectorLast filed 18 Mar 2026Director
Karleen Marie ObertonDirectorLast filed 18 Mar 2026Director
Dean SeaversDirectorAlso at CenterPoint EnergyLast filed 18 Mar 2026Director
Nick L. StanageDirectorAlso at Huntington Ingalls IndustriesDirector
Suzanne StefanyDirectorLast filed 18 Mar 2026Director
Officers (8)
Dalip PuriExecutive VP- CFOLast filed 23 Mar 2026Executive VP- CFO
Robert AmodeiSenior VP, ControllerLast filed 23 Mar 2026Senior VP, Controller
Tony J. CiampittiPres. - Electronic InstrumentsLast filed 23 Mar 2026Pres. - Electronic Instruments
John Wesley HardinPres. - Electronic InstrumentsLast filed 23 Mar 2026Pres. - Electronic Instruments
David F. HermancePresident - ElectromechanicalLast filed 10 Aug 2026President - Electromechanical
Thomas C. MarecicPres. - Electronic InstrumentsLast filed 23 Mar 2026Pres. - Electronic Instruments
Ronald J. OscherChief Administrative OfficerLast filed 28 May 2026Chief Administrative Officer
Emanuela SperanzaChief Commercial OfficerLast filed 23 Mar 2026Chief Commercial Officer

Source: SEC insider filings (Forms 3, 4 and 5), Ametek's Form 4 filings 路 All directors and officers

Companies that share people with Ametek

Each person's title here, then at the other company.

Source: SEC insider filings 路 See the whole network

Ametek's market cap since December 2008

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$55.0B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 31 Dec 2025

Employees
22,500
As of December 31, 2025, we have approximately 22,500 employees.
Ametek Form 10-K

Source: Ametek Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $34.8 million of stock in 8 sales and bought $1.0 million in 1 purchase in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
11 Aug 2026BuyNick L. StanageDirectorDirectorBuy4,000$1.0M
7 Aug 2026SaleDavid F. HermancePresident - ElectromechanicalPresident - ElectromechanicalSale6,608$1.7M
24 Mar 2026SaleThomas A. AmatoDirectorDirectorSale530$115K
22 Dec 2025SaleThomas M. MontgomerySr. VP. - ComptrollerSr. VP. - ComptrollerSale6,388$1.3M
15 Dec 2025SaleThomas C. MarecicPres. - Electronic InstrumentsPres. - Electronic InstrumentsSale14,310$2.9M
12 Dec 2025SaleDavid A. ZapicoChief Executive OfficerChief Executive OfficerSale28,390$5.7M
25 Nov 2025SaleDavid A. ZapicoChief Executive OfficerChief Executive OfficerSale88,000$17M
12 Nov 2025SaleEmanuela SperanzaChief Commercial OfficerChief Commercial OfficerSale2,700$540K
31 Oct 2025SaleRonald J. OscherChief Administrative OfficerChief Administrative OfficerSale26,290$5.3M

Source: SEC insider transactions data sets, Ametek's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

8 people disclosed 5 purchases and 5 sales of Ametek stock since October 2023.

DateMember or officialTypeAmount
23 Jun 2026Donald J Trump (President)President 路 BoughtPurchase$15,001 to $50,000$15K to $50K
27 Mar 2026Alan Armstrong (Senate, R-OK)Senate, R-OK 路 BoughtPurchase$1,001 to $15,000$1K to $15K
10 Feb 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 SoldSale$1,001 to $15,000$1K to $15K
30 Jan 2026Arjun Mody (Deputy Commissioner)Deputy Commissioner 路 SoldSale$1,001 to $15,000$1K to $15K
9 Jan 2026Gilbert Cisneros (House, D-CA)House, D-CA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
18 Aug 2025Dan Newhouse (House, R-WA)House, R-WA 路 BoughtPurchase$1,001 to $15,000$1K to $15K
8 Apr 2025Rob Bresnahan (House, R-PA)House, R-PA 路 SoldSale$1,001 to $15,000$1K to $15K
24 Jan 2025Valerie Hoyle (House, D-OR)House, D-OR 路 SoldSale$1,001 to $15,000$1K to $15K
29 Oct 2024Valerie Hoyle (House, D-OR)House, D-OR 路 BoughtPurchase$1,001 to $15,000$1K to $15K
19 Jan 2024Thomas H Tuberville (Senate, R-AL)Senate, R-AL 路 SoldSale$1,001 to $15,000$1K to $15K

Source: House, Senate and OGE disclosures via the Congress trading monitor

WARN layoff notices

Notices filed under Ametek's own name. Subsidiaries that file under their own names are not included.

Notices from 26 Oct 2023 to 26 Oct 2026

Ametek filed 1 notice covering 63 workers since October 2023.

NoticePlaceWorkersEffective
1 Sep 2026Bloomingdale, IL634 Dec 2026

Source: State WARN notices via the US layoffs tracker