AmetekAME
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 1,128 institutions reported holding Ametek Inc. (AME) in their 13F filings, up 94 from Q3 2025. 122 opened new positions and 70 sold out. The largest holders were Vanguard Group Inc. ($5.6B), BlackRock, Inc. ($4.0B) and State Street Corp. ($2.0B). 11 famous investors held it, including Francois Rochon (6.7% of Giverny Capital's portfolio), Mario Gabelli (1.2% of GAMCO Investors's portfolio) and Ken Griffin (0.2% of Citadel Advisors's portfolio).
- Company
- Ametek Inc.
- Sector
- Industrials
- CUSIP
- 031100100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 122 | $369.3M |
| Exits | 70 | $146.1M |
All 13F filers, Q3 2025 → Q4 2025: 14,589,862 shares bought and 12,706,040 shares sold, net +1,883,822 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,128 holders
| Vanguard Group Inc. | 0.08% | Reduce -0.0% | 27,169,255 | $5.6B |
| BlackRock, Inc. | 0.07% | Add +0.2% | 19,653,166 | $4.0B |
| State Street Corp. | 0.07% | Add +2.0% | 9,956,361 | $2.0B |
| T. Rowe Price Associates Inc. | 0.18% | Reduce -19.7% | 7,892,014 | $1.6B |
| Geode Capital Management, LLC | 0.07% | Add +0.6% | 5,891,236 | $1.2B |
| FMR LLC | 0.05% | Add +10.2% | 4,497,741 | $923.4M |
| Invesco Ltd. | 0.08% | Reduce -4.1% | 4,281,482 | $879.0M |
| JPMorgan Chase & Co. | 0.06% | Reduce -2.2% | 4,109,307 | $843.7M |
| Norges Bank | 0.09% | — | 4,049,351 | $831.4M |
| Morgan Stanley | 0.05% | Add +2.9% | 3,963,062 | $813.7M |
| Flossbach Von Storch SE | 3.11% | Add +1.0% | 3,820,376 | $784.4M |
| EdgePoint Investment Group Inc. | 4.92% | Reduce -0.4% | 2,918,944 | $599.3M |
| Wellington Management Group LLP | 0.10% | Add +302.9% | 2,807,664 | $576.4M |
| Bank of New York Mellon Corp | 0.09% | Reduce -3.2% | 2,384,636 | $489.6M |
| Northern Trust Corp. | 0.06% | Reduce -4.1% | 2,337,208 | $479.9M |
| Goldman Sachs Group Inc. | 0.07% | Reduce -23.7% | 2,336,069 | $479.6M |
| Dimensional Fund Advisors LP | 0.09% | Add +0.6% | 2,046,228 | $420.1M |
| Principal Financial Group Inc. | 0.21% | Reduce -0.3% | 2,037,583 | $418.3M |
| Amundi | 0.11% | Add +16.6% | 1,755,706 | $360.5M |
| Citadel Advisors | 0.25% | Add +39.6% | 1,735,601 | $356.3M |
| Lazard Asset Management LLC | 0.54% | Reduce -41.5% | 1,547,833 | $317.8M |
| Bank of America Corp. | 0.02% | Reduce -9.1% | 1,532,808 | $314.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.07% | Add +0.4% | 1,512,545 | $310.5M |
| Alecta Tjanstepension Omsesidigt | 1.33% | Reduce -14.4% | 1,473,965 | $302.6M |
| Royal Bank of Canada | 0.05% | Add +2.3% | 1,448,824 | $297.5M |
| Kayne Anderson Rudnick Investment Management LLC | 0.79% | Reduce -6.2% | 1,435,507 | $294.7M |
| D. E. Shaw & Co. | 0.24% | Add +63.7% | 1,426,934 | $293.0M |
| Charles Schwab Investment Management Inc. | 0.04% | Add +1.1% | 1,388,042 | $285.0M |
| Legal & General Group Plc | 0.06% | Reduce -3.0% | 1,361,699 | $279.6M |
| Franklin Resources Inc. | 0.07% | Reduce -24.5% | 1,335,389 | $274.2M |
| Boston Partners | 0.28% | Reduce -2.5% | 1,308,553 | $268.7M |
| HSBC Holdings PLC | 0.15% | Reduce -4.0% | 1,263,488 | $259.6M |
| Deutsche Bank AG | 0.08% | Reduce -12.6% | 1,217,691 | $250.0M |
| Qube Research & Technologies Ltd | 0.33% | Reduce -8.2% | 1,121,835 | $230.3M |
| Man Group plc | 0.44% | Add +39.8% | 1,097,509 | $225.3M |
| Capital World Investors | 0.03% | Reduce -39.2% | 1,090,990 | $224.0M |
| Balyasny Asset Management L.P. | 0.43% | Add +539.2% | 1,070,555 | $219.8M |
| Two Sigma Investments, LP | 0.33% | Add +49.1% | 1,010,471 | $207.5M |
| Giverny Capital | 6.71% | Reduce -1.7% | 979,458 | $201.1M |
| Massachusetts Financial Services Co. | 0.06% | Add +10.9% | 959,937 | $197.1M |
| Gabelli Funds LLC | 1.33% | Reduce -1.0% | 944,183 | $193.9M |
| Westfield Capital Management Co. LP | 0.77% | Add +151.0% | 900,216 | $184.8M |
| AQR Capital Management | 0.10% | Reduce -0.7% | 897,423 | $184.2M |
| Navera Investment Management Ltd. | 3.84% | Reduce -3.5% | 886,767 | $182.1M |
| Neuberger Berman Group LLC | 0.14% | Add +7.8% | 885,001 | $181.7M |
| Maren Capital LLC | 9.67% | Add +1.3% | 875,337 | $179.7M |
| UBS Group AG | 0.04% | Reduce -29.3% | 868,680 | $178.3M |
| Nordea Investment Management AB | 0.15% | Add +825.0% | 852,585 | $176.2M |
| Primecap Management Co. | 0.13% | Add +0.5% | 823,154 | $169.0M |
| Snyder Capital Management L P | 3.11% | Add +3.3% | 813,433 | $167.0M |
| Millennium Management | 0.12% | Reduce -3.8% | 812,858 | $166.9M |
| Bank Julius Baer & Co. Ltd, Zurich | 0.46% | Reduce -2.4% | 810,723 | $166.8M |
| DekaBank Deutsche Girozentrale | 0.29% | No change | 852,057 | $165.8M |
| 1832 Asset Management L.P. | 0.21% | Add +47111.2% | 802,119 | $164.7M |
| Voloridge Investment Management, LLC | 0.56% | Add +9.6% | 776,060 | $159.3M |
| American Century Companies Inc. | 0.08% | Add +54.7% | 736,679 | $151.2M |
| Barclays PLC | 0.06% | Reduce -12.1% | 709,453 | $145.7M |
| Compagnie Lombard Odier SCmA | 1.56% | Add +11.0% | 698,761 | $143.5M |
| Natixis Advisors, LLC | 0.20% | Add +15.4% | 672,291 | $138.0M |
| Two Sigma Advisers, LP | 0.26% | Add +67.0% | 651,600 | $133.8M |
| Swiss National Bank | 0.08% | Reduce -4.9% | 632,925 | $129.9M |
| Champlain Investment Partners, LLC | 1.28% | Reduce -30.1% | 616,857 | $126.6M |
| James Hambro & Partners LLP | 4.47% | Reduce -1.7% | 608,755 | $125.0M |
| GAMCO Investors | 1.20% | Reduce -2.5% | 606,859 | $124.6M |
| Allianz Asset Management GmbH | 0.14% | Add +186.7% | 602,274 | $123.7M |
| Freestone Grove Partners LP | 0.88% | Add +24.8% | 593,885 | $121.9M |
| Bessemer Group Inc. | 0.18% | Reduce -1.9% | 583,769 | $119.9M |
| HM Payson & Co. | 1.64% | Add +0.4% | 567,340 | $116.5M |
| Silvercrest Asset Management Group LLC | 0.78% | Reduce -5.0% | 553,790 | $113.7M |
| Royal London Asset Management Ltd. | 0.23% | Add +4.2% | 538,103 | $110.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.06% | Reduce -2.1% | 527,119 | $108.2M |
| Ameriprise Financial Inc. | 0.02% | Reduce -41.9% | 522,542 | $107.3M |
| Assenagon Asset Management S.A. | 0.16% | Add +139.0% | 510,728 | $104.9M |
| BNP Paribas Financial Markets | 0.07% | Reduce -42.5% | 509,825 | $104.7M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.07% | Add +6.2% | 487,238 | $101.9M |
| Acadian Asset Management LLC | 0.17% | Reduce -9.0% | 494,316 | $101.5M |
| Thrivent Financial for Lutherans | 0.18% | Reduce -6.7% | 490,424 | $100.7M |
| Blair William & Co. | 0.27% | Reduce -8.1% | 486,174 | $99.8M |
| Nuveen, LLC | 0.03% | Reduce -0.9% | 482,571 | $99.1M |
| TCW Group Inc. | 0.70% | Add +475.1% | 477,200 | $98.0M |
| Rhumbline Advisers | 0.08% | Add +0.1% | 453,319 | $93.1M |
| Port Capital LLC | 4.00% | Reduce -0.2% | 451,704 | $92.7M |
| Ensign Peak Advisors, Inc | 0.16% | Reduce -12.8% | 447,525 | $91.9M |
| Arrowstreet Capital, Limited Partnership | 0.05% | Reduce -28.5% | 444,328 | $91.2M |
| California Public Employees Retirement System | 0.05% | Reduce -0.8% | 431,338 | $88.6M |
| Harding Loevner LP | 0.76% | Reduce -1.9% | 421,690 | $86.6M |
| Dixon Mitchell Investment Counsel Inc. | 2.72% | Add +0.1% | 401,739 | $82.5M |
| Janus Henderson Group PLC | 0.04% | Add +3.2% | 399,153 | $82.0M |
| California State Teachers Retirement System | 0.08% | Reduce -0.6% | 397,895 | $81.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.09% | Add +25.6% | 395,924 | $81.3M |
| Capital International Investors | 0.01% | Reduce -3.6% | 394,891 | $81.3M |
| Wells Fargo & Company | 0.02% | Add +2.8% | 385,475 | $79.1M |
| Raymond James Financial Inc. | 0.02% | Add +9.9% | 384,892 | $79.0M |
| M.D. Sass, LLC | 6.13% | Add +0.6% | 378,980 | $77.8M |
| Glenmede Trust Co. NA | 0.36% | — | 373,687 | $76.7M |
| Fenimore Asset Management Inc | 1.57% | Add +0.1% | 367,870 | $75.5M |
| Cartenna Capital, LP | 3.78% | New | 350,000 | $71.9M |
| Sei Investments Co. | 0.07% | Add +48.4% | 344,757 | $70.8M |
| Russell Investments Group, Ltd. | 0.08% | Add +98.4% | 337,746 | $69.4M |
| Canada Pension Plan Investment Board | 0.05% | Reduce -25.5% | 333,435 | $68.5M |
"% of holder's portfolio" is AME's weight in each manager's 13F, not the share of Ametek Inc. the manager owns.