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, Q2 2026
Institutional positions in Ametek Inc as of Jun 30, 2026. 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
- 1,201
- +55 vs. Q1 2026
- Shares held
- 205.6M
- +5.18M (+2.6%) vs. Q1 2026
- Total value
- $49.7B
- +$6.77B (+15.8%) vs. Q1 2026
- New holders
- 127
- 489 more added
- Sold out
- 72
- 403 more reduced
13 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 117,720 | $28.5M | 0.12% | +1,216+1.0% | Added |
| LGT Group Foundation | 118,498 | $28.7M | 0.32% | −2,079−1.7% | Reduced |
| Worldquant Millennium Advisors LLC | 121,213 | $29.3M | 0.10% | +52,825+77.2% | Added |
| New York State Common Retirement Fund | 123,425 | $29.9M | 0.04% | −1,500−1.2% | Reduced |
| Jefferies Financial Group Inc. | 125,512 | $30.4M | 0.28% | +98,709+368.3% | Added |
| Palisade Capital Management LLC | 128,040 | $31.0M | 1.35% | +1,737+1.4% | Added |
| Longaeva Partners L.P. | 128,842 | $31.2M | 0.90% | +81,113+169.9% | Added |
| First Trust Advisors LP | 131,633 | $31.8M | 0.02% | +10,799+8.9% | Added |
| Empire Life Investments Inc. | 131,826 | $31.9M | 1.78% | −5,200−3.8% | Reduced |
| State of Wisconsin Investment Board | 132,183 | $32.0M | 0.06% | +4,367+3.4% | Added |
| Cornerstone Capital, Inc. | 133,730 | $32.4M | 2.89% | −116−0.1% | Reduced |
| King Luther Capital Management Corp | 134,353 | $32.5M | 0.13% | +3,456+2.6% | Added |
| Ci Investments Inc. | 136,981 | $33.1M | 0.11% | +152+0.1% | Added |
| Champlain Investment Partners, LLC | 138,498 | $33.5M | 0.86% | −286,860−67.4% | Reduced |
| Roffman Miller Associates Inc | 139,196 | $33.7M | 1.76% | +1,540+1.1% | Added |
| Public Employees Retirement Association of Colorado | 139,716 | $33.8M | 0.12% | +13,413+10.6% | Added |
| Dudley & Shanley, Inc. | 139,731 | $33.8M | 5.10% | −150.0% | Reduced |
| Cresset Asset Management, LLC | 140,987 | $34.1M | 0.12% | +9,883+7.5% | Added |
| Vaughan Nelson Investment Management, L.P. | 142,001 | $34.4M | 0.30% | +1,455+1.0% | Added |
| KLP Kapitalforvaltning AS | 142,838 | $34.6M | 0.11% | +9,000+6.7% | Added |
| Cumberland Partners Ltd | 142,839 | $34.6M | 2.24% | −697−0.5% | Reduced |
| Natixis | 144,862 | $35.0M | 0.17% | +82,814+133.5% | Added |
| ZWJ Investment Counsel Inc | 146,318 | $35.4M | 1.14% | +5,696+4.1% | Added |
| Mawer Investment Management Ltd. | 147,117 | $35.6M | 0.24% | −51,790−26.0% | Reduced |
| Mar Vista Investment Partners LLC | 149,014 | $36.1M | 3.59% | −22,111−12.9% | Reduced |
| LPL Financial LLC | 149,732 | $36.2M | 0.01% | +6,122+4.3% | Added |
| TD Asset Management Inc | 150,605 | $36.4M | 0.03% | −44,715−22.9% | Reduced |
| Allspring Global Investments Holdings, LLC | 156,260 | $37.1M | 0.06% | +171+0.1% | Added |
| Groupe la Francaise | 154,326 | $37.4M | 0.46% | +20,780+15.6% | Added |
| Assenagon Asset Management S.A. | 158,621 | $38.4M | 0.05% | +152,930+2,687.2% | Added |
| APG Asset Management N.V. | 181,753 | $38.5M | 0.09% | +40,306+28.5% | Added |
| STRS Ohio | 160,069 | $38.7M | 0.15% | +14,759+10.2% | Added |
| New York State Teachers Retirement System | 160,786 | $38.9M | 0.07% | +483+0.3% | Added |
| KBC Group NV | 161,693 | $39.1M | 0.08% | −74,449−31.5% | Reduced |
| Storebrand Asset Management AS | 162,700 | $39.4M | 0.10% | +13,186+8.8% | Added |
| ASR Vermogensbeheer N.V. | 163,429 | $39.5M | 0.41% | +7,148+4.6% | Added |
| Dundas Partners LLP | 163,876 | $39.6M | 2.87% | 00.0% | Unchanged |
| Howard Capital Management Group, LLC | 164,880 | $39.9M | 2.44% | −125−0.1% | Reduced |
| North Star Asset Management Inc | 169,798 | $41.1M | 1.62% | −5,548−3.2% | Reduced |
| Mountain Pacific Investment Advisers Inc | 172,755 | $41.8M | 6.58% | −7,549−4.2% | Reduced |
| Walleye Capital LLC | 178,419 | $43.2M | 0.20% | +25,904+17.0% | Added |
| Renaissance Technologies LLC | 181,950 | $44.0M | 0.06% | −124,200−40.6% | Reduced |
| Korea Investment CORP | 182,702 | $44.2M | 0.08% | +35,522+24.1% | Added |
| Guinness Asset Management LTD | 184,187 | $44.6M | 0.75% | −20,511−10.0% | Reduced |
| Gotham Asset Management, LLC | 184,571 | $44.7M | 0.10% | +36,815+24.9% | Added |
| State Board of Administration of Florida Retirement System | 193,286 | $46.8M | 0.08% | −3,796−1.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 194,633 | $47.1M | 0.14% | +12,381+6.8% | Added |
| Jupiter Asset Management Ltd | 200,148 | $47.1M | 0.23% | −8,094−3.9% | Reduced |
| The PNC Financial Services Group, Inc. | 197,943 | $47.9M | 0.02% | +4,375+2.3% | Added |
| Davidson Kempner Capital Management LP | 200,000 | $48.4M | 0.78% | +20,000+11.1% | Added |
| Daiwa Securities Group Inc. | 204,042 | $49.4M | 0.11% | +49,094+31.7% | Added |
| Adage Capital Partners GP, L.L.C. | 204,241 | $49.4M | 0.07% | −2,000−1.0% | Reduced |
| Great West Life Assurance Co | 205,391 | $49.6M | 0.08% | −48,172−19.0% | Reduced |
| National Bank of Canada | 205,598 | $49.7M | 0.04% | +56,757+38.1% | Added |
| Mackenzie Financial Corp | 207,937 | $50.3M | 0.05% | +181,061+673.7% | Added |
| Prudential Financial Inc | 211,038 | $51.1M | 0.06% | −194,716−48.0% | Reduced |
| TimesSquare Capital Management, LLC | 212,095 | $51.3M | 0.75% | +516+0.2% | Added |
| Quantinno Capital Management LP | 217,685 | $52.7M | 0.06% | +57,123+35.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 219,093 | $53.0M | 0.10% | +25,563+13.2% | Added |
| Scopus Asset Management, L.P. | 221,916 | $53.7M | 1.26% | +91,384+70.0% | Added |
| Schonfeld Strategic Advisors LLC | 226,860 | $54.9M | 0.29% | +169,570+296.0% | Added |
| Intermede Investment Partners Ltd | 215,011 | $55.1M | 2.32% | +215,011 | New |
| Alliancebernstein L.P. | 259,202 | $55.6M | 0.02% | −1,505−0.6% | Reduced |
| RMB Capital Management, LLC | 230,104 | $55.7M | 0.86% | −68,052−22.8% | Reduced |
| Mariner, LLC | 236,948 | $57.3M | 0.06% | −21,412−8.3% | Reduced |
| Caisse de Depot Et Placement du Quebec | 238,165 | $57.6M | 0.08% | +2,513+1.1% | Added |
| Nissay Asset Management Corp | 238,352 | $57.7M | 0.24% | +15,269+6.8% | Added |
| Standard Life Aberdeen plc | 239,941 | $58.1M | 0.08% | +15,985+7.1% | Added |
| Squarepoint Ops LLC | 240,900 | $58.3M | 0.11% | +232,615+2,807.7% | Added |
| Aristotle Atlantic Partners, LLC | 241,588 | $58.4M | 2.42% | −2,068−0.8% | Reduced |
| Santori & Peters | 245,097 | $59.3M | 16.72% | −1100.0% | Reduced |
| Panagora Asset Management Inc | 252,166 | $61.0M | 0.19% | +20,246+8.7% | Added |
| CIBC Bancorp USA Inc. | 254,143 | $61.5M | 0.08% | −15,563−5.8% | Reduced |
| Jennison Associates LLC | 255,454 | $61.8M | 0.04% | −1,239−0.5% | Reduced |
| MUFG Securities EMEA plc | 268,871 | $65.1M | 0.68% | +223,434+491.7% | Added |
| Victory Capital Management Inc | 269,755 | $65.3M | 0.04% | −23,157−7.9% | Reduced |
| Jupiter Topco LLC | 274,295 | $66.3M | 0.03% | +274,295 | New |
| SEI Investments Co | 275,359 | $66.6M | 0.06% | −143,829−34.3% | Reduced |
| Marshall Wace, LLP | 275,411 | $66.6M | 0.06% | +102,141+58.9% | Added |
| Citigroup Inc | 279,697 | $67.7M | 0.03% | +92,517+49.4% | Added |
| Bank of Montreal | 279,952 | $67.7M | 0.03% | +48,460+20.9% | Added |
| Factory Mutual Insurance Co | 282,000 | $68.2M | 0.64% | +64,700+29.8% | Added |
| Danske Bank A/S | 282,679 | $68.4M | 0.14% | −34,223−10.8% | Reduced |
| Artisan Partners Limited Partnership | 293,159 | $70.9M | 0.12% | +19,787+7.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 296,906 | $71.8M | 0.11% | +9,159+3.2% | Added |
| Davis R M Inc | 303,960 | $73.5M | 1.16% | −3,151−1.0% | Reduced |
| Harding Loevner LP | 308,154 | $74.6M | 0.70% | −70,551−18.6% | Reduced |
| Captrust Financial Advisors | 316,907 | $76.7M | 0.12% | −7,513−2.3% | Reduced |
| Treasurer of the State of North Carolina | 317,353 | $76.8M | 0.20% | +44,790+16.4% | Added |
| Aviva PLC | 319,689 | $77.3M | 0.11% | +129,781+68.3% | Added |
| M.D. Sass Investors Services, Inc. | 333,370 | $80.7M | 5.34% | −28,425−7.9% | Reduced |
| Freestone Grove Partners LP | 337,021 | $81.5M | 0.54% | +51,586+18.1% | Added |
| National Pension Service | 338,990 | $82.0M | 0.05% | +5,382+1.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 357,032 | $86.4M | 0.09% | −58,335−14.0% | Reduced |
| California State Teachers Retirement System | 357,138 | $86.4M | 0.08% | −30,558−7.9% | Reduced |
| Glenmede Trust Co NA | 359,695 | $87.0M | 0.38% | −8,809−2.4% | Reduced |
| Fenimore Asset Management Inc | 365,310 | $88.4M | 1.83% | +6,078+1.7% | Added |
| Nomura Asset Management International Inc. | 375,940 | $91.0M | 0.14% | +258,739+220.8% | Added |
| Canada Pension Plan Investment Board | 378,476 | $91.6M | 0.05% | +2,172+0.6% | Added |
| Employees Retirement System of Texas | 379,304 | $91.8M | 0.73% | +38,916+11.4% | Added |