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Livermore
Livermore
ZHEN

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, Q4 2025

Institutional positions in Ametek Inc as of Dec 31, 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
1,128
+115 vs. Q3 2025
Shares held
205.3M
+7.26M (+3.7%) vs. Q3 2025
Total value
$42.1B
+$4.98B (+13.4%) vs. Q3 2025
New holders
185
400 more added
Sold out
70
372 more reduced

21 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,128 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 heldQ4 2025: $42.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q3 2025.

Institutions holding AME in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Financial Management Professionals, Inc.5$1.03K0.00%00.0%Unchanged
DecisionPoint Financial, LLC5$1.03K0.00%00.0%Unchanged
Aventura Private Wealth, LLC5$1.03K0.00%+5New
Benson Wealth Management INC5$1.03K0.00%+5New
Thurston, Springer, Miller, Herd & Titak, Inc.5$1.03K0.00%+5New
Quattro Advisors LLC4$8210.00%+4New
PEAK6 LLC3$6380.00%+3New
CBIZ Investment Advisory Services, LLC3$6160.00%−4−57.1%Reduced
United Community Bank3$6160.00%−4−57.1%Reduced
Hughes Financial Services, LLC3$6160.00%00.0%Unchanged
Breakwater Investment Management3$6160.00%00.0%Unchanged
Seneschal Advisors, LLC3$6160.00%00.0%Unchanged
Redwood Park Advisors LLC3$6160.00%00.0%Unchanged
NVWM, LLC3$6160.00%+1+50.0%Added
Quest 10 Wealth Builders, Inc.3$5420.00%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.2$4550.00%00.0%Unchanged
Winnow Wealth LLC2$4120.00%00.0%Unchanged
Quaker Wealth Management, LLC2$4110.00%00.0%Unchanged
Davis Capital Management2$4110.00%00.0%Unchanged
Trust Co2$4110.00%+2New
Luken Investment Analytics, LLC2$4110.00%+2New
Nemes Rush Group LLC2$4110.00%+2New
Ameriflex Group, Inc.2$4110.00%+2New
IMA Wealth, Inc.2$4100.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC1$2060.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC1$2050.00%00.0%Unchanged
ROSS\JOHNSON & Associates LLC1$2050.00%+1New
Richardson Financial Services Inc.3––+3New
Interval Partners, LP0$00.00%−265,944−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−99,845−100.0%Sold out
Distillate Capital Partners LLC0$00.00%−83,848−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−75,942−100.0%Sold out
Sone Capital Management, LLC0$00.00%−49,264−100.0%Sold out
Empowered Funds, LLC0$00.00%−24,931−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−14,494−100.0%Sold out
Aigen Investment Management, LP0$00.00%−14,196−100.0%Sold out
iA Global Asset Management Inc.0$00.00%−10,821−100.0%Sold out
Farringdon Capital, Ltd.0$00.00%−10,808−100.0%Sold out
S-Bank Fund Management Ltd0$00.00%−10,616−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−9,336−100.0%Sold out
WBI Investments0$00.00%−8,042−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−7,334−100.0%Sold out
Kovitz Investment Group Partners, LLC0$00.00%−6,742−100.0%Sold out
Park Avenue Securities LLC0$00.00%−6,600−100.0%Sold out
R Squared Ltd0$00.00%−5,827−100.0%Sold out
Brighton Jones LLC0$00.00%−4,493−100.0%Sold out
Virtu Financial LLC0$00.00%−3,967−100.0%Sold out
Epoch Investment Partners, Inc.0$00.00%−3,826−100.0%Sold out
Hartford Funds Management Co LLC0$00.00%−3,812−100.0%Sold out
Inceptionr LLC0$00.00%−3,751−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−3,620−100.0%Sold out
Unique Wealth Strategies, LLC0$00.00%−3,212−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−2,836−100.0%Sold out
NorthRock Partners, LLC0$00.00%−2,769−100.0%Sold out
Maridea Wealth Management LLC0$00.00%−2,704−100.0%Sold out
Element Capital Management LLC0$00.00%−2,676−100.0%Sold out
MQS Management LLC0$00.00%−2,640−100.0%Sold out
Sageworth Trust Co0$00.00%−2,423−100.0%Sold out
Twinbeech Capital LP0$00.00%−2,320−100.0%Sold out
Lecap Asset Management Ltd0$00.00%−2,254−100.0%Sold out
Perbak Capital Partners LLP0$00.00%−2,172−100.0%Sold out
Forefront Wealth Partners, LLC0$00.00%−2,146−100.0%Sold out
Oxford Asset Management LLP0$00.00%−2,106−100.0%Sold out
Polymer Capital Management (HK) LTD0$00.00%−1,716−100.0%Sold out
Counterpoint Mutual Funds LLC0$00.00%−1,698−100.0%Sold out
Strategic Investment Advisors0$00.00%−1,655−100.0%Sold out
111 Capital0$00.00%−1,616−100.0%Sold out
Whalen Wealth Management Inc.0$00.00%−1,502−100.0%Sold out
Ridgecrest Wealth Partners, LLC0$00.00%−1,350−100.0%Sold out
Hilltop Holdings Inc.0$00.00%−1,303−100.0%Sold out
FORA Capital, LLC0$00.00%−1,298−100.0%Sold out
Weiss Asset Management LP0$00.00%−1,290−100.0%Sold out
Baader Bank INC0$00.00%−1,229−100.0%Sold out
Armis Advisers, LLC0$00.00%−1,016−100.0%Sold out
Ameritas Advisory Services, LLC0$00.00%−732−100.0%Sold out
Advisory Services Network, LLC0$00.00%−488−100.0%Sold out
North Capital, Inc.0$00.00%−468−100.0%Sold out
Wexford Capital LP0$00.00%−331−100.0%Sold out
Grey Fox Wealth Advisors, LLC0$00.00%−209−100.0%Sold out
Central Pacific Bank - Trust Division0$00.00%−192−100.0%Sold out
Beutel, Goodman & Co Ltd.0$00.00%−195−100.0%Sold out
Marshall & Sterling Wealth Advisors Inc.0$00.00%−177−100.0%Sold out
TruNorth Capital Management, LLC0$00.00%−164−100.0%Sold out
Rise Advisors, LLC0$00.00%−118−100.0%Sold out
Adirondack Trust Co0$00.00%−72−100.0%Sold out
JPL Wealth Management, LLC0$00.00%−48−100.0%Sold out
Cloud Capital Management, LLC0$00.00%−40−100.0%Sold out
GPS Wealth Strategies Group, LLC0$00.00%−18−100.0%Sold out
Salem Investment Counselors Inc0$00.00%−17−100.0%Sold out
TSFG, LLC0$00.00%−14−100.0%Sold out
Tortoise Investment Management, LLC0$00.00%−13−100.0%Sold out
Trifecta Capital Advisors, LLC0$00.00%−13−100.0%Sold out
Godsey & Gibb Associates0$00.00%−12−100.0%Sold out
Cape Investment Advisory, Inc.0$00.00%−12−100.0%Sold out
Longfellow Investment Management Co LLC0$00.00%−6−100.0%Sold out
Core Alternative Capital0$00.00%−6−100.0%Sold out
Logan Capital Management Inc0$00.00%−3−100.0%Sold out
Plante Moran Financial Advisors, LLC0$00.00%−3−100.0%Sold out
Jarislowsky, Fraser Ltd––––Not filed
Glenmede Investment Management, LP––––Not filed