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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,201 | $49.7B |
| Q1 2026 | 1,159 | $43.0B |
| Q4 2025 | 1,128 | $42.1B |
| Q3 2025 | 1,034 | $37.4B |
| Q2 2025 | 1,004 | $36.8B |
| Q1 2025 | 1,000 | $34.7B |
| Q4 2024 | 989 | $36.0B |
| Q3 2024 | 916 | $34.3B |
| Q2 2024 | 900 | $33.9B |
| Q1 2024 | 910 | $37.0B |
| Q4 2023 | 859 | $33.3B |
| Q3 2023 | 814 | $29.9B |
| Q2 2023 | 823 | $32.6B |
| Q1 2023 | 777 | $29.2B |
| Q4 2022 | 790 | $28.9B |
| Q3 2022 | 753 | $22.7B |
| Q2 2022 | 745 | $21.7B |
| Q1 2022 | 753 | $26.6B |
| Q4 2021 | 772 | $29.5B |
| Q3 2021 | 719 | $24.9B |
| Q2 2021 | 723 | $26.8B |
| Q1 2021 | 695 | $25.4B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Giverny Capital Inc.SuperinvestorGiverny Capital | 996,676 | $187.4M | 6.35% | +3320.0% | Added |
| Qube Research & Technologies Ltd | 1,221,651 | $229.7M | 0.33% | −3,447−0.3% | Reduced |
| UBS Group AG | 1,228,775 | $231.0M | 0.05% | +177,541+16.9% | Added |
| Citadel Advisors LLC | 1,243,248 | $233.7M | 0.19% | +640,756+106.4% | Added |
| HSBC Holdings PLC | 1,315,842 | $247.4M | 0.15% | +617,795+88.5% | Added |
| Boston Partners | 1,342,125 | $252.4M | 0.26% | −176,422−11.6% | Reduced |
| Charles Schwab Investment Management Inc | 1,373,416 | $258.2M | 0.04% | +9,184+0.7% | Added |
| Deutsche Bank AG | 1,393,623 | $262.0M | 0.09% | +112,742+8.8% | Added |
| Legal & General Group Plc | 1,403,746 | $263.9M | 0.06% | +46,625+3.4% | Added |
| Royal Bank of Canada | 1,416,755 | $266.4M | 0.05% | −143,559−9.2% | Reduced |
| Amundi | 1,505,220 | $275.4M | 0.09% | −7,746−0.5% | Reduced |
| Franklin Resources Inc | 1,769,070 | $282.5M | 0.07% | +343,525+24.1% | Added |
| UBS Asset Management Americas Inc | 1,506,553 | $283.2M | 0.06% | −213,158−12.4% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,529,768 | $287.6M | 0.70% | +9,898+0.7% | Added |
| Bank of America Corp | 1,686,536 | $317.1M | 0.02% | +127,274+8.2% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 1,721,965 | $323.5M | 1.44% | −502,000−22.6% | Reduced |
| Capital World Investors | 1,794,479 | $337.4M | 0.05% | −1,041,777−36.7% | Reduced |
| Dimensional Fund Advisors LP | 2,034,786 | $382.5M | 0.08% | −115,097−5.4% | Reduced |
| Principal Financial Group Inc | 2,043,029 | $384.1M | 0.19% | +94,645+4.9% | Added |
| Northern Trust Corp | 2,436,237 | $458.0M | 0.06% | +10,510+0.4% | Added |
| Bank of New York Mellon Corp | 2,463,249 | $463.1M | 0.08% | −1,199,895−32.8% | Reduced |
| Lazard Asset Management LLC | 2,645,977 | $497.4M | 0.67% | +695,419+35.7% | Added |
| EdgePoint Investment Group Inc. | 2,931,374 | $551.1M | 4.12% | +4,844+0.2% | Added |
| Goldman Sachs Group Inc | 3,061,312 | $575.5M | 0.08% | −121,665−3.8% | Reduced |
| Flossbach Von Storch AG | 3,783,841 | $711.4M | 2.80% | −1,8350.0% | Reduced |
| Morgan Stanley | 3,853,025 | $724.4M | 0.04% | +87,752+2.3% | Added |
| FMR LLC | 4,081,537 | $767.3M | 0.04% | −411,016−9.1% | Reduced |
| JPMorgan Chase & Co | 4,202,542 | $790.1M | 0.05% | −545,379−11.5% | Reduced |
| Invesco Ltd. | 4,463,518 | $839.1M | 0.13% | +209,043+4.9% | Added |
| Geode Capital Management, LLC | 5,853,585 | $1.10B | 0.07% | +59,349+1.0% | Added |
| State Street Corp | 9,763,684 | $1.84B | 0.06% | +126,381+1.3% | Added |
| Price T Rowe Associates Inc | 9,829,481 | $1.85B | 0.20% | −768,943−7.3% | Reduced |
| BlackRock, Inc. | 19,618,113 | $3.69B | 0.06% | −171,143−0.9% | Reduced |
| Vanguard Group Inc | 27,173,705 | $5.11B | 0.08% | +176,040+0.7% | Added |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −103,546−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −51,934−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −50,010−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −47,226−100.0% | Sold out |
| NFJ Investment Group, LLC | 0 | $0 | 0.00% | −39,788−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −36,359−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −28,362−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −25,734−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −24,120−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −19,742−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −19,476−100.0% | Sold out |
| Silvant Capital Management LLC | 0 | $0 | 0.00% | −18,692−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −15,963−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −15,371−100.0% | Sold out |
| Element Squared LLC | 0 | $0 | 0.00% | −10,849−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −9,760−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −9,230−100.0% | Sold out |
| KP Management LLC | 0 | $0 | 0.00% | −8,281−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −7,513−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −6,085−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −5,391−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −4,961−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −4,598−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −4,338−100.0% | Sold out |
| Sargent Investment Group, LLC | 0 | $0 | 0.00% | −4,225−100.0% | Sold out |
| Eqis Capital Management, Inc. | 0 | $0 | 0.00% | −4,322−100.0% | Sold out |
| Promus Capital, LLC | 0 | $0 | 0.00% | −4,196−100.0% | Sold out |
| Grantham, Mayo, Van Otterloo & Co. LLC | 0 | $0 | 0.00% | −3,600−100.0% | Sold out |
| Volterra Technologies LP | 0 | $0 | 0.00% | −3,358−100.0% | Sold out |
| Archford Capital Strategies, LLC | 0 | $0 | 0.00% | −3,183−100.0% | Sold out |
| Cooke & Bieler LP | 0 | $0 | 0.00% | −3,170−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −2,974−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −2,722−100.0% | Sold out |
| Contravisory Investment Management, Inc. | 0 | $0 | 0.00% | −2,556−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −2,134−100.0% | Sold out |
| Harvest Management LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Terril Brothers, Inc. | 0 | $0 | 0.00% | −1,645−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −1,578−100.0% | Sold out |
| Wallace Advisory Group, LLC | 0 | $0 | 0.00% | −1,656−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −1,468−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −1,465−100.0% | Sold out |
| Ground Swell Capital, LLC | 0 | $0 | 0.00% | −1,391−100.0% | Sold out |
| Acropolis Investment Management, LLC | 0 | $0 | 0.00% | −1,334−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −1,319−100.0% | Sold out |
| Quantitative Investment Management, LLC | 0 | $0 | 0.00% | −1,301−100.0% | Sold out |
| Aaron Wealth Advisors | 0 | $0 | 0.00% | −1,233−100.0% | Sold out |
| Proficio Capital Partners LLC | 0 | $0 | 0.00% | −1,150−100.0% | Sold out |
| VestGen Advisors, LLC | 0 | $0 | 0.00% | −1,149−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −747−100.0% | Sold out |
| Total Investment Management Inc | 0 | $0 | 0.00% | −695−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −681−100.0% | Sold out |
| Ofi Invest Asset Management | 0 | $0 | 0.00% | −597−100.0% | Sold out |
| Intact Investment Management Inc. | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Opal Wealth Advisors, LLC | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Richardson Capital Management LLC | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Ridgewood Investments LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| MorganRosel Wealth Management, LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Whipplewood Advisors, LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Transce3nd, LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Beacon Capital Management, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Sierra Ocean, LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |