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.
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 27,169,255 | $5.58B | 0.08% | −4,4500.0% | Reduced |
| BlackRock, Inc. | 19,653,166 | $4.03B | 0.07% | +35,053+0.2% | Added |
| State Street Corp | 9,956,361 | $2.04B | 0.07% | +192,677+2.0% | Added |
| Price T Rowe Associates Inc | 7,892,014 | $1.62B | 0.17% | −1,937,467−19.7% | Reduced |
| Geode Capital Management, LLC | 5,891,236 | $1.20B | 0.07% | +37,651+0.6% | Added |
| FMR LLC | 4,497,741 | $923.4M | 0.05% | +416,204+10.2% | Added |
| Invesco Ltd. | 4,281,482 | $879.0M | 0.08% | −182,036−4.1% | Reduced |
| JPMorgan Chase & Co | 4,109,307 | $843.7M | 0.06% | −93,235−2.2% | Reduced |
| Norges Bank | 4,049,351 | $831.4M | 0.09% | +4,049,351 | New |
| Morgan Stanley | 3,963,062 | $813.7M | 0.05% | +110,037+2.9% | Added |
| Flossbach Von Storch AG | 3,820,376 | $784.4M | 3.11% | +36,535+1.0% | Added |
| EdgePoint Investment Group Inc. | 2,918,944 | $599.3M | 4.92% | −12,430−0.4% | Reduced |
| Wellington Management Group LLP | 2,807,664 | $576.4M | 0.10% | +2,110,818+302.9% | Added |
| Bank of New York Mellon Corp | 2,384,636 | $489.6M | 0.09% | −78,613−3.2% | Reduced |
| Northern Trust Corp | 2,337,208 | $479.9M | 0.06% | −99,029−4.1% | Reduced |
| Goldman Sachs Group Inc | 2,336,069 | $479.6M | 0.07% | −725,243−23.7% | Reduced |
| Dimensional Fund Advisors LP | 2,046,228 | $420.1M | 0.09% | +11,442+0.6% | Added |
| Principal Financial Group Inc | 2,037,583 | $418.3M | 0.21% | −5,446−0.3% | Reduced |
| Amundi | 1,755,706 | $360.5M | 0.10% | +250,486+16.6% | Added |
| Citadel Advisors LLC | 1,735,601 | $356.3M | 0.24% | +492,353+39.6% | Added |
| Lazard Asset Management LLC | 1,547,833 | $317.8M | 0.54% | −1,098,144−41.5% | Reduced |
| Bank of America Corp | 1,532,808 | $314.7M | 0.02% | −153,728−9.1% | Reduced |
| UBS Asset Management Americas Inc | 1,512,545 | $310.5M | 0.07% | +5,992+0.4% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 1,473,965 | $302.6M | 1.33% | −248,000−14.4% | Reduced |
| Royal Bank of Canada | 1,448,824 | $297.5M | 0.05% | +32,069+2.3% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 1,435,507 | $294.7M | 0.79% | −94,261−6.2% | Reduced |
| D. E. Shaw & Co., Inc. | 1,426,934 | $293.0M | 0.22% | +555,064+63.7% | Added |
| Charles Schwab Investment Management Inc | 1,388,042 | $285.0M | 0.04% | +14,626+1.1% | Added |
| Legal & General Group Plc | 1,361,699 | $279.6M | 0.06% | −42,047−3.0% | Reduced |
| Franklin Resources Inc | 1,335,389 | $274.2M | 0.07% | −433,681−24.5% | Reduced |
| Boston Partners | 1,308,553 | $268.7M | 0.28% | −33,572−2.5% | Reduced |
| HSBC Holdings PLC | 1,263,488 | $259.6M | 0.15% | −52,354−4.0% | Reduced |
| Deutsche Bank AG | 1,217,691 | $250.0M | 0.08% | −175,932−12.6% | Reduced |
| Qube Research & Technologies Ltd | 1,121,835 | $230.3M | 0.33% | −99,816−8.2% | Reduced |
| Man Group plc | 1,097,509 | $225.3M | 0.43% | +312,489+39.8% | Added |
| Capital World Investors | 1,090,990 | $224.0M | 0.03% | −703,489−39.2% | Reduced |
| Balyasny Asset Management LLC | 1,070,555 | $219.8M | 0.41% | +903,061+539.2% | Added |
| Two Sigma Investments, LP | 1,010,471 | $207.5M | 0.31% | +332,715+49.1% | Added |
| Giverny Capital Inc.SuperinvestorGiverny Capital | 979,458 | $201.1M | 6.71% | −17,218−1.7% | Reduced |
| Massachusetts Financial Services Co | 959,937 | $197.1M | 0.06% | +94,544+10.9% | Added |
| Gabelli Funds LLC | 944,183 | $193.9M | 1.31% | −9,494−1.0% | Reduced |
| Westfield Capital Management Co LP | 900,216 | $184.8M | 0.77% | +541,556+151.0% | Added |
| AQR Capital Management LLC | 897,423 | $184.2M | 0.10% | −6,611−0.7% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 886,767 | $182.1M | 3.84% | −31,917−3.5% | Reduced |
| Neuberger Berman Group LLC | 885,001 | $181.7M | 0.14% | +63,632+7.7% | Added |
| Maren Capital LLC | 875,337 | $179.7M | 9.67% | +11,354+1.3% | Added |
| UBS Group AG | 868,680 | $178.3M | 0.04% | −360,095−29.3% | Reduced |
| Nordea Investment Management AB | 852,585 | $176.2M | 0.15% | +760,410+825.0% | Added |
| Primecap Management Co | 823,154 | $169.0M | 0.13% | +4,000+0.5% | Added |
| Snyder Capital Management L P | 813,433 | $167.0M | 3.11% | +25,758+3.3% | Added |
| Millennium Management LLC | 812,858 | $166.9M | 0.12% | −32,488−3.8% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 810,723 | $166.8M | 0.46% | −20,229−2.4% | Reduced |
| DekaBank Deutsche Girozentrale | 852,057 | $165.8M | 0.31% | 00.0% | Unchanged |
| 1832 Asset Management L.P. | 802,119 | $164.7M | 0.21% | +800,420+47,111.2% | Added |
| Voloridge Investment Management, LLC | 776,060 | $159.3M | 0.56% | +68,047+9.6% | Added |
| American Century Companies Inc | 736,679 | $151.2M | 0.08% | +260,417+54.7% | Added |
| Barclays PLC | 709,453 | $145.7M | 0.06% | −97,567−12.1% | Reduced |
| Compagnie Lombard Odier SCmA | 698,761 | $143.5M | 1.56% | +69,445+11.0% | Added |
| Natixis Advisors, L.P. | 672,291 | $138.0M | 0.20% | +89,853+15.4% | Added |
| Two Sigma Advisers, LP | 651,600 | $133.8M | 0.26% | +261,400+67.0% | Added |
| Swiss National Bank | 632,925 | $129.9M | 0.08% | −32,600−4.9% | Reduced |
| Champlain Investment Partners, LLC | 616,857 | $126.6M | 1.28% | −265,408−30.1% | Reduced |
| James Hambro & Partners | 608,755 | $125.0M | 4.47% | −10,427−1.7% | Reduced |
| Gamco Investors, Inc. Et Al | 606,859 | $124.6M | 1.20% | −15,890−2.6% | Reduced |
| Allianz Asset Management GmbH | 602,274 | $123.7M | 0.14% | +392,210+186.7% | Added |
| Freestone Grove Partners LP | 593,885 | $121.9M | 0.88% | +117,850+24.8% | Added |
| Bessemer Group Inc | 583,769 | $119.9M | 0.18% | −11,243−1.9% | Reduced |
| HM Payson & Co | 567,340 | $116.5M | 1.64% | +2,085+0.4% | Added |
| Silvercrest Asset Management Group LLC | 553,790 | $113.7M | 0.78% | −29,452−5.0% | Reduced |
| Royal London Asset Management Ltd | 538,103 | $110.5M | 0.23% | +21,427+4.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 527,119 | $108.2M | 0.06% | −11,127−2.1% | Reduced |
| Ameriprise Financial Inc | 522,542 | $107.3M | 0.02% | −376,817−41.9% | Reduced |
| Assenagon Asset Management S.A. | 510,728 | $104.9M | 0.16% | +297,052+139.0% | Added |
| BNP Paribas Arbitrage, SA | 509,825 | $104.7M | 0.07% | −377,391−42.5% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 487,238 | $101.9M | 0.07% | +28,621+6.2% | Added |
| Acadian Asset Management LLC | 494,316 | $101.5M | 0.17% | −48,778−9.0% | Reduced |
| Thrivent Financial for Lutherans | 490,424 | $100.7M | 0.18% | −35,335−6.7% | Reduced |
| Blair William & Co | 486,174 | $99.8M | 0.27% | −43,099−8.1% | Reduced |
| Nuveen, LLC | 482,571 | $99.1M | 0.03% | −4,436−0.9% | Reduced |
| TCW Group Inc | 477,200 | $98.0M | 0.70% | +394,225+475.1% | Added |
| Rhumbline Advisers | 453,319 | $93.1M | 0.08% | +593+0.1% | Added |
| Port Capital LLC | 451,704 | $92.7M | 4.00% | −890−0.2% | Reduced |
| Ensign Peak Advisors, Inc | 447,525 | $91.9M | 0.16% | −65,454−12.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 444,328 | $91.2M | 0.05% | −177,402−28.5% | Reduced |
| California Public Employees Retirement System | 431,338 | $88.6M | 0.05% | −3,424−0.8% | Reduced |
| Harding Loevner LP | 421,690 | $86.6M | 0.76% | −8,266−1.9% | Reduced |
| Dixon Mitchell Investment Counsel Inc. | 401,739 | $82.5M | 2.72% | +265+0.1% | Added |
| Janus Henderson Group PLC | 399,153 | $82.0M | 0.04% | +12,451+3.2% | Added |
| California State Teachers Retirement System | 397,895 | $81.7M | 0.08% | −2,396−0.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 395,924 | $81.3M | 0.09% | +80,814+25.6% | Added |
| Capital International Investors | 394,891 | $81.3M | 0.01% | −14,964−3.7% | Reduced |
| Wells Fargo & Company | 385,475 | $79.1M | 0.02% | +10,565+2.8% | Added |
| Raymond James Financial Inc | 384,892 | $79.0M | 0.02% | +34,608+9.9% | Added |
| M.D. Sass Investors Services, Inc. | 378,980 | $77.8M | 6.13% | +2,110+0.6% | Added |
| Glenmede Trust Co NA | 373,687 | $76.7M | 0.36% | +373,687 | New |
| Fenimore Asset Management Inc | 367,870 | $75.5M | 1.57% | +373+0.1% | Added |
| Cartenna Capital, LP | 350,000 | $71.9M | 3.78% | +350,000 | New |
| SEI Investments Co | 344,757 | $70.8M | 0.07% | +112,387+48.4% | Added |
| Russell Investments Group, Ltd. | 337,746 | $69.4M | 0.08% | +167,537+98.4% | Added |
| Canada Pension Plan Investment Board | 333,435 | $68.5M | 0.05% | −113,966−25.5% | Reduced |