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 |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 285,073 | $53.6M | 0.02% | +2,511+0.9% | Added |
| KBC Group NV | 282,085 | $53.0M | 0.13% | −7,549−2.6% | Reduced |
| Captrust Financial Advisors | 268,096 | $50.4M | 0.10% | +8,101+3.1% | Added |
| Interval Partners, LP | 265,944 | $50.0M | 1.07% | +265,944 | New |
| Treasurer of the State of North Carolina | 260,881 | $49.0M | 0.15% | −4,173−1.6% | Reduced |
| Jennison Associates LLC | 260,636 | $49.0M | 0.03% | −24,237−8.5% | Reduced |
| CCLA Investment Management Ltd | 258,653 | $48.6M | 0.78% | +21,633+9.1% | Added |
| Renaissance Technologies LLC | 255,950 | $48.1M | 0.06% | −18,500−6.7% | Reduced |
| CIBC Private Wealth Group, LLC | 249,678 | $46.9M | 0.08% | −3,897−1.5% | Reduced |
| Guinness Asset Management LTD | 249,862 | $46.7M | 0.74% | −12,041−4.6% | Reduced |
| TimesSquare Capital Management, LLC | 248,055 | $46.6M | 0.67% | −11,882−4.6% | Reduced |
| Santori & Peters | 245,207 | $46.1M | 16.47% | −793−0.3% | Reduced |
| Bank of Montreal | 243,403 | $45.8M | 0.02% | +23,424+10.6% | Added |
| Envestnet Asset Management Inc | 241,138 | $45.3M | 0.01% | −16,336−6.3% | Reduced |
| Aristotle Atlantic Partners, LLC | 237,463 | $44.6M | 1.30% | −7,202−2.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 232,581 | $43.7M | 0.08% | −21,932−8.6% | Reduced |
| SEI Investments Co | 232,370 | $43.7M | 0.05% | +9,143+4.1% | Added |
| Standard Life Aberdeen plc | 231,553 | $43.3M | 0.07% | +10,120+4.6% | Added |
| Mawer Investment Management Ltd. | 227,500 | $42.8M | 0.22% | −9,969−4.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 222,593 | $41.8M | 0.07% | +222,593 | New |
| Assenagon Asset Management S.A. | 213,676 | $40.2M | 0.06% | +6,363+3.1% | Added |
| Allianz Asset Management GmbH | 210,064 | $39.5M | 0.05% | +79,277+60.6% | Added |
| Factory Mutual Insurance Co | 201,800 | $37.9M | 0.37% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 199,527 | $37.5M | 0.07% | −14,418−6.7% | Reduced |
| Manufacturers Life Insurance Company, The | 198,462 | $37.3M | 0.03% | −312,756−61.2% | Reduced |
| The PNC Financial Services Group, Inc. | 194,321 | $36.5M | 0.02% | −3,962−2.0% | Reduced |
| CI Private Wealth, LLC | 193,868 | $36.4M | 0.06% | +30,621+18.8% | Added |
| Teacher Retirement System of Texas | 193,395 | $36.4M | 0.15% | +61,267+46.4% | Added |
| Mountain Pacific Investment Advisers Inc | 191,686 | $36.0M | 5.64% | −164,024−46.1% | Reduced |
| Nissay Asset Management Corp | 188,930 | $35.5M | 0.20% | +10,756+6.0% | Added |
| Mar Vista Investment Partners LLC | 179,827 | $33.8M | 2.94% | −3,905−2.1% | Reduced |
| North Star Asset Management Inc | 178,106 | $33.5M | 1.36% | −110.0% | Reduced |
| Aviva PLC | 174,317 | $32.8M | 0.06% | +1,618+0.9% | Added |
| Dundas Partners LLP | 172,472 | $32.4M | 2.29% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 170,209 | $32.0M | 0.04% | +37,325+28.1% | Added |
| Balyasny Asset Management LLC | 167,494 | $31.5M | 0.06% | −515,661−75.5% | Reduced |
| ASR Vermogensbeheer N.V. | 161,474 | $30.4M | 0.37% | −1,081−0.7% | Reduced |
| Citigroup Inc | 160,950 | $30.3M | 0.02% | −38,802−19.4% | Reduced |
| New York State Teachers Retirement System | 160,236 | $30.1M | 0.06% | −5,249−3.2% | Reduced |
| Korea Investment CORP | 159,296 | $29.9M | 0.06% | −19,713−11.0% | Reduced |
| Howard Capital Management Group, LLC | 156,467 | $29.4M | 1.86% | +440+0.3% | Added |
| Allspring Global Investments Holdings, LLC | 155,394 | $29.1M | 0.05% | −297−0.2% | Reduced |
| Ci Investments Inc. | 153,947 | $28.9M | 0.11% | +4,609+3.1% | Added |
| Toronto Dominion Bank | 153,251 | $28.8M | 0.06% | −395−0.3% | Reduced |
| Victory Capital Management Inc | 151,320 | $28.4M | 0.02% | +6,165+4.2% | Added |
| Mariner, LLC | 151,059 | $28.4M | 0.04% | +21,886+16.9% | Added |
| Jones Financial Companies LLLP | 151,914 | $28.4M | 0.02% | +22,692+17.6% | Added |
| Macquarie Group Ltd | 150,556 | $28.3M | 0.03% | −4,852−3.1% | Reduced |
| Osterweis Capital Management Inc | 148,664 | $27.9M | 1.26% | +941+0.6% | Added |
| National Bank of Canada | 147,211 | $27.7M | 0.03% | −31,714−17.7% | Reduced |
| Empire Life Investments Inc. | 146,326 | $27.5M | 1.61% | +484+0.3% | Added |
| Prudential Financial Inc | 145,041 | $27.3M | 0.03% | +9,493+7.0% | Added |
| Roffman Miller Associates Inc | 143,885 | $27.1M | 1.51% | −623−0.4% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 140,001 | $26.3M | 0.24% | −5,870−4.0% | Reduced |
| Dudley & Shanley, Inc. | 139,786 | $26.3M | 4.23% | +100+0.1% | Added |
| Worldquant Millennium Advisors LLC | 139,596 | $26.2M | 0.11% | −81,935−37.0% | Reduced |
| APG Asset Management N.V. | 159,843 | $25.6M | 0.07% | −1,908−1.2% | Reduced |
| Bank of Nova Scotia | 135,015 | $25.4M | 0.04% | +31,443+30.4% | Added |
| STRS Ohio | 131,509 | $24.7M | 0.09% | −120,202−47.8% | Reduced |
| Palisade Capital Management LLC | 131,353 | $24.7M | 0.67% | +7,550+6.1% | Added |
| Smith, Salley & Associates | 131,257 | $24.7M | 1.27% | −1,324−1.0% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 129,723 | $24.4M | 0.10% | +16,493+14.6% | Added |
| Wealth Enhancement Advisory Services, LLC | 134,363 | $24.4M | 0.04% | +84,224+168.0% | Added |
| Meeder Asset Management Inc | 129,496 | $24.3M | 1.39% | +50,916+64.8% | Added |
| New York State Common Retirement Fund | 128,125 | $24.1M | 0.03% | −3,400−2.6% | Reduced |
| Voya Investment Management LLC | 126,070 | $23.7M | 0.02% | −22,980−15.4% | Reduced |
| LGT Group Foundation | 125,021 | $23.4M | 0.27% | +1,041+0.8% | Added |
| State of Wisconsin Investment Board | 123,883 | $23.3M | 0.05% | −7,636−5.8% | Reduced |
| Cornerstone Capital, Inc. | 122,785 | $23.1M | 2.26% | +6,595+5.7% | Added |
| Chevy Chase Trust Holdings, Inc. | 121,642 | $22.9M | 0.06% | −4,089−3.3% | Reduced |
| Verition Fund Management LLC | 120,728 | $22.7M | 0.13% | +11,911+10.9% | Added |
| King Luther Capital Management Corp | 119,234 | $22.4M | 0.09% | +6,323+5.6% | Added |
| Federation des caisses Desjardins du Quebec | 118,244 | $22.2M | 0.09% | +3,545+3.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 114,734 | $21.6M | 0.05% | −303,560−72.6% | Reduced |
| Nicholas Company, Inc. | 114,388 | $21.5M | 0.36% | −250.0% | Reduced |
| Pictet Asset Management Holding SA | 112,070 | $21.1M | 0.02% | −11,098−9.0% | Reduced |
| LPL Financial LLC | 110,185 | $20.7M | 0.01% | −1,958−1.7% | Reduced |
| ZWJ Investment Counsel Inc | 110,015 | $20.7M | 0.73% | +5,685+5.4% | Added |
| Cerity Partners LLC | 109,945 | $20.7M | 0.03% | +15,283+16.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 109,663 | $20.6M | 0.02% | +69,812+175.2% | Added |
| Daiwa Securities Group Inc. | 109,118 | $20.5M | 0.07% | +37,510+52.4% | Added |
| Cubist Systematic Strategies, LLC | 108,927 | $20.5M | 0.29% | +108,927 | New |
| Schaper Benz & Wise Investment Counsel Inc | 108,816 | $20.5M | 1.52% | +694+0.6% | Added |
| Marshall Wace, LLP | 108,346 | $20.4M | 0.02% | −217,735−66.8% | Reduced |
| FIL Ltd | 107,562 | $20.2M | 0.02% | −19,535−15.4% | Reduced |
| Cresset Asset Management, LLC | 104,350 | $19.6M | 0.09% | +3,870+3.9% | Added |
| Storebrand Asset Management AS | 103,585 | $19.5M | 0.05% | +12,063+13.2% | Added |
| Asset Management One Co.,Ltd. | 101,196 | $19.0M | 0.06% | +1,334+1.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 100,843 | $18.8M | 0.03% | +57,731+133.9% | Added |
| Tudor Investment Corp Et Al | 99,845 | $18.8M | 0.12% | −79,436−44.3% | Reduced |
| TD Asset Management Inc | 99,221 | $18.7M | 0.02% | −21,492−17.8% | Reduced |
| Pacer Advisors, Inc. | 96,061 | $18.1M | 0.05% | −3,240−3.3% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 94,277 | $17.7M | 0.04% | −4,850−4.9% | Reduced |
| Mediolanum International Funds Ltd | 93,519 | $17.5M | 0.18% | −498−0.5% | Reduced |
| Nordea Investment Management AB | 92,175 | $17.3M | 0.02% | +65,537+246.0% | Added |
| ING Groep NV | 92,057 | $17.3M | 0.09% | −23,522−20.4% | Reduced |
| Jain Global LLC | 90,326 | $17.0M | 0.22% | +90,326 | New |
| Commerce Bank | 90,234 | $17.0M | 0.09% | −6,717−6.9% | Reduced |
| Running Oak Capital LLC | 88,522 | $16.6M | 1.87% | −1,912−2.1% | Reduced |
| Woodline Partners LP | 87,854 | $16.5M | 0.08% | −80,469−47.8% | Reduced |