Skip to main content

Ametek Inc

AME
Exchange
NYSE
Industry
Industrial Instruments For Measurement, Display, and Control
SEC CIK
0001037868

In the last 90 days, Ametek Inc insiders filed 1 open-market purchase and 1 sale; 1,201 institutions reported holding it in 13F filings for Q2 2026, worth $49.7B in total; superinvestors Giverny Capital and ARK Invest hold it.

13F holders, Q3 2025

Institutional positions in Ametek Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,034
+47 vs. Q2 2025
Shares held
199.4M
−280.9K (−0.1%) vs. Q2 2025
Total value
$37.4B
+$1.30B (+3.6%) vs. Q2 2025
New holders
120
390 more added
Sold out
73
341 more reduced

17 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AME on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 1,034 institutions
Q1 2021: 695 institutionsQ2 2021: 723 institutionsQ3 2021: 719 institutionsQ4 2021: 772 institutionsQ1 2022: 753 institutionsQ2 2022: 745 institutionsQ3 2022: 753 institutionsQ4 2022: 790 institutionsQ1 2023: 777 institutionsQ2 2023: 823 institutionsQ3 2023: 814 institutionsQ4 2023: 859 institutionsQ1 2024: 910 institutionsQ2 2024: 900 institutionsQ3 2024: 916 institutionsQ4 2024: 989 institutionsQ1 2025: 1,000 institutionsQ2 2025: 1,004 institutionsQ3 2025: 1,034 institutionsQ4 2025: 1,128 institutionsQ1 2026: 1,159 institutionsQ2 2026: 1,201 institutions
Value heldQ3 2025: $37.4B
Q1 2021: $25.4BQ2 2021: $26.8BQ3 2021: $24.9BQ4 2021: $29.5BQ1 2022: $26.6BQ2 2022: $21.7BQ3 2022: $22.7BQ4 2022: $28.9BQ1 2023: $29.2BQ2 2023: $32.6BQ3 2023: $29.9BQ4 2023: $33.3BQ1 2024: $37.0BQ2 2024: $33.9BQ3 2024: $34.3BQ4 2024: $36.0BQ1 2025: $34.7BQ2 2025: $36.8BQ3 2025: $37.4BQ4 2025: $42.1BQ1 2026: $43.0BQ2 2026: $49.7B
Institutions holding AME and their total value by quarter
QuarterHoldersValue
Q2 20261,201$49.7B
Q1 20261,159$43.0B
Q4 20251,128$42.1B
Q3 20251,034$37.4B
Q2 20251,004$36.8B
Q1 20251,000$34.7B
Q4 2024989$36.0B
Q3 2024916$34.3B
Q2 2024900$33.9B
Q1 2024910$37.0B
Q4 2023859$33.3B
Q3 2023814$29.9B
Q2 2023823$32.6B
Q1 2023777$29.2B
Q4 2022790$28.9B
Q3 2022753$22.7B
Q2 2022745$21.7B
Q1 2022753$26.6B
Q4 2021772$29.5B
Q3 2021719$24.9B
Q2 2021723$26.8B
Q1 2021695$25.4B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q2 2025.

Institutions holding AME in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Marietta Investment Partners LLC36,147$6.80M1.31%+700+2.0%Added
Mackenzie Financial Corp36,097$6.79M0.01%+11,440+46.4%Added
Johnson Investment Counsel Inc35,940$6.76M0.06%+111+0.3%Added
Railway Pension Investments Ltd35,872$6.74M0.09%00.0%Unchanged
Pinebridge Investments, L.P.35,565$6.69M0.05%+12,788+56.1%Added
Xponance, Inc.35,553$6.68M0.05%−685−1.9%Reduced
PFG Advisors35,411$6.66M0.27%+3,224+10.0%Added
Meiji Yasuda Asset Management Co Ltd.34,944$6.57M0.31%−1,116−3.1%Reduced
Regency Capital Management Inc.34,350$6.46M3.07%+546+1.6%Added
SRS Capital Advisors, Inc.34,327$6.45M0.09%+34,032+11,536.3%Added
Signature Wealth Management Partners, LLC34,055$6.40M3.35%00.0%Unchanged
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund33,873$6.37M0.05%+5,345+18.7%Added
Truist Financial Corp33,463$6.29M0.01%−735−2.1%Reduced
Advisor Group Holdings, Inc.33,476$6.26M0.01%+16,479+97.0%Added
Susquehanna International Group, LLP33,241$6.25M0.01%+4,549+15.9%Added
British Columbia Investment Management Corp33,182$6.24M0.04%−3,122−8.6%Reduced
StoneX Group Inc.32,759$6.16M0.27%−69−0.2%Reduced
Guinness Atkinson Asset Management Inc32,905$6.15M2.92%−2,835−7.9%Reduced
Kepler Cheuvreux (Suisse) SA32,621$6.13M0.33%+32,621New
Brown Advisory Inc32,329$6.08M0.01%−1,483−4.4%Reduced
Hikari Tsushin, Inc.32,239$6.06M0.41%00.0%Unchanged
US Bancorp31,917$6.00M0.01%+222+0.7%Added
CIBC Bancorp USA Inc.31,861$5.99M0.04%+31,861New
Petredis Investment Advisors LLC31,676$5.96M0.48%−487−1.5%Reduced
New York Life Investment Management LLC31,629$5.95M0.05%−26−0.1%Reduced
Terry L. Blaker31,119$5.85M0.22%+630+2.1%Added
Clear Harbor Asset Management, LLC30,532$5.74M0.40%+60.0%Added
HRT Financial LP30,207$5.68M0.02%−79,526−72.5%Reduced
Farmers & Merchants Investments Inc30,124$5.66M0.16%−2,684−8.2%Reduced
Rakuten Investment Management, Inc.11,162$5.58M0.02%+11,162New
Promethos Capital, LLC29,102$5.47M1.47%+9,372+47.5%Added
Wealthfront Advisers LLC28,985$5.45M0.01%+3,323+12.9%Added
Oddo BHF Asset Management SAS28,867$5.43M0.21%−426−1.5%Reduced
Aviso Financial Inc.28,729$5.40M0.22%+345+1.2%Added
Northwest & Ethical Investments L.P.28,558$5.36M0.13%+500+1.8%Added
Duncker Streett & Co Inc28,525$5.36M0.93%−411−1.4%Reduced
Aquatic Capital Management LLC28,356$5.33M0.10%−52,126−64.8%Reduced
State of Alaska, Department of Revenue28,114$5.28M0.05%−1,221−4.2%Reduced
Mendel Money Management27,197$5.11M2.15%+139+0.5%Added
Yousif Capital Management, LLC26,960$5.07M0.05%−2,249−7.7%Reduced
JustInvest LLC26,892$5.06M0.05%+1,621+6.4%Added
Atlantic Union Bankshares Corp26,453$4.97M0.09%−981−3.6%Reduced
O'Shaughnessy Asset Management, LLC26,425$4.97M0.03%+2,657+11.2%Added
Oregon Public Employees Retirement Fund26,424$4.97M0.06%+6,493+32.6%Added
Elo Mutual Pension Insurance Co25,772$4.85M0.08%+4,047+18.6%Added
Saranac Partners Ltd25,736$4.83M0.88%+2,434+10.4%Added
NEOS Investment Management LLC25,589$4.81M0.04%+8,335+48.3%Added
Bogart Wealth, LLC25,389$4.77M0.19%+2,722+12.0%Added
M&T Bank Corp25,327$4.76M0.02%−3,926−13.4%Reduced
Empowered Funds, LLC24,931$4.69M0.05%+5,532+28.5%Added
Sterling Capital Management LLC24,580$4.62M0.07%−15,071−38.0%Reduced
Quadrant Capital Group LLC24,550$4.62M0.15%+52+0.2%Added
Carnegie Capital Asset Management, LLC24,541$4.61M0.09%+2,747+12.6%Added
OP Asset Management Ltd24,497$4.61M0.06%+956+4.1%Added
Machina Capital S.A.S.24,365$4.58M0.81%−5,592−18.7%Reduced
Robocap Asset Management Ltd24,282$4.57M2.91%+20.0%Added
Mercer Global Advisors Inc23,787$4.47M0.01%+11,114+87.7%Added
Capital Investment Services of America, Inc.23,634$4.44M0.39%00.0%Unchanged
Tiaa Trust, National Association23,430$4.40M0.01%+2,890+14.1%Added
Ostrum Asset Management23,428$4.40M0.20%+11,850+102.3%Added
Horizon Investments, LLC23,021$4.33M0.06%+5,749+33.3%Added
ARK Investment Management LLCSuperinvestorARK Invest22,963$4.32M0.03%+16,220+240.5%Added
Argent Capital Management LLC22,753$4.28M0.12%+211+0.9%Added
UniSuper Management Pty Ltd22,735$4.27M0.03%+3,327+17.1%Added
Pathstone Holdings, LLC22,471$4.22M0.02%−85−0.4%Reduced
Roundview Capital LLC21,943$4.13M0.26%+206+0.9%Added
Tyche Wealth Partners LLC21,940$4.12M0.72%−15,875−42.0%Reduced
First National Advisers, LLC21,926$4.12M0.56%+591+2.8%Added
Swiss Life Asset Management Ltd21,858$4.11M0.02%+1,580+7.8%Added
Allworth Financial LP21,737$4.09M0.02%+1,667+8.3%Added
Fulcrum Asset Management LLP21,482$4.04M1.12%−582−2.6%Reduced
Public Employees Retirement Association of Colorado21,353$4.01M0.01%−571−2.6%Reduced
Fuller & Thaler Asset Management, Inc.21,344$4.01M0.01%−331−1.5%Reduced
Quest Partners LLC21,330$4.01M0.26%+21,330New
Ethic Inc.21,182$3.98M0.07%−310−1.4%Reduced
1858 Wealth Management, LLC21,171$3.98M2.79%−915−4.1%Reduced
Rafferty Asset Management, LLC20,783$3.91M0.01%−62−0.3%Reduced
First National Bank of Omaha20,605$3.87M0.24%−1,010−4.7%Reduced
Commonwealth Equity Services, LLC20,499$3.85M0.00%−692−3.3%Reduced
Guggenheim Capital LLC20,301$3.82M0.03%−2,120−9.5%Reduced
Numerai GP LLC20,226$3.80M0.54%+12,094+148.7%Added
Public Sector Pension Investment Board20,096$3.78M0.01%+2,497+14.2%Added
Generali Asset Management SPA SGR19,627$3.69M0.08%+1,893+10.7%Added
Brinker Capital Investments, LLC19,468$3.66M0.03%−341−1.7%Reduced
Kestra Advisory Services, LLC19,178$3.61M0.02%+622+3.4%Added
Clearbridge Investments, LLC19,032$3.58M0.00%+6,971+57.8%Added
Groupama Asset Managment18,997$3.57M0.05%−21,832−53.5%Reduced
Metis Global Partners, LLC18,935$3.56M0.08%−934−4.7%Reduced
Vinva Investment Management Ltd18,581$3.47M0.07%+4,582+32.7%Added
Moors & Cabot, Inc.18,407$3.46M0.15%+256+1.4%Added
MAI Capital Management18,403$3.46M0.02%+4,648+33.8%Added
Buckhead Capital Management LLC18,030$3.39M1.23%+240+1.3%Added
Core Wealth Partners LLC18,000$3.38M1.55%00.0%Unchanged
Hikari Power Ltd17,820$3.35M0.27%00.0%Unchanged
Campbell & CO Investment Adviser LLC17,560$3.30M0.25%+991+6.0%Added
Seascape Capital Management17,512$3.29M0.94%+1,233+7.6%Added
Bright Rock Capital Management, LLC17,500$3.29M0.64%00.0%Unchanged
Baird Financial Group, Inc.17,053$3.21M0.01%+269+1.6%Added
Neville Rodie & Shaw Inc16,960$3.19M0.23%00.0%Unchanged
Steward Partners Investment Advisory, LLC16,687$3.14M0.02%+572+3.5%Added