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, Q1 2026
Institutional positions in Ametek Inc as of Mar 31, 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
- 1,159
- +49 vs. Q4 2025
- Shares held
- 200.9M
- +27.5M (+15.9%) vs. Q4 2025
- Total value
- $43.0B
- +$7.42B (+20.8%) vs. Q4 2025
- New holders
- 138
- 466 more added
- Sold out
- 89
- 372 more reduced
18 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 18,828,257 | $4.04B | 0.07% | −824,909−4.2% | Reduced |
| Vanguard Capital Management LLC | 14,926,515 | $3.20B | 0.08% | +14,926,515 | New |
| State Street Corp | 10,083,885 | $2.16B | 0.07% | +127,524+1.3% | Added |
| Vanguard Portfolio Management LLC | 9,850,858 | $2.11B | 0.11% | +9,850,858 | New |
| Price T Rowe Associates Inc | 6,924,498 | $1.48B | 0.17% | −967,516−12.3% | Reduced |
| Geode Capital Management, LLC | 6,125,313 | $1.31B | 0.08% | +234,077+4.0% | Added |
| JPMorgan Chase & Co | 4,657,399 | $970.5M | 0.07% | +548,092+13.3% | Added |
| FMR LLC | 4,358,253 | $934.2M | 0.05% | −139,488−3.1% | Reduced |
| Morgan Stanley | 3,868,352 | $829.2M | 0.05% | −94,710−2.4% | Reduced |
| Flossbach Von Storch AG | 3,458,134 | $741.3M | 3.46% | −362,242−9.5% | Reduced |
| Invesco Ltd. | 3,130,864 | $671.1M | 0.07% | −1,150,618−26.9% | Reduced |
| Wellington Management Group LLP | 2,797,091 | $599.6M | 0.11% | −10,573−0.4% | Reduced |
| Bank of New York Mellon Corp | 2,504,770 | $536.9M | 0.10% | +120,134+5.0% | Added |
| Northern Trust Corp | 2,350,147 | $503.8M | 0.07% | +12,939+0.6% | Added |
| Dimensional Fund Advisors LP | 2,075,229 | $444.8M | 0.09% | +29,001+1.4% | Added |
| EdgePoint Investment Group Inc. | 1,874,241 | $401.8M | 3.22% | −1,044,703−35.8% | Reduced |
| Capital World Investors | 1,849,072 | $396.4M | 0.05% | +758,082+69.5% | Added |
| Principal Financial Group Inc | 1,778,484 | $381.2M | 0.20% | −259,099−12.7% | Reduced |
| Goldman Sachs Group Inc | 1,684,628 | $361.1M | 0.05% | −651,441−27.9% | Reduced |
| Bank of America Corp | 1,648,119 | $353.3M | 0.03% | +115,311+7.5% | Added |
| UBS Asset Management Americas Inc | 1,632,084 | $349.9M | 0.07% | +119,539+7.9% | Added |
| Two Sigma Investments, LP | 1,631,092 | $349.6M | 0.29% | +620,621+61.4% | Added |
| Lazard Asset Management LLC | 1,618,526 | $346.9M | 0.57% | +70,693+4.6% | Added |
| Royal Bank of Canada | 1,447,207 | $310.2M | 0.06% | −1,617−0.1% | Reduced |
| Citadel Advisors LLC | 1,445,049 | $309.8M | 0.22% | −290,552−16.7% | Reduced |
| Qube Research & Technologies Ltd | 1,437,730 | $308.2M | 0.44% | +315,895+28.2% | Added |
| Massachusetts Financial Services Co | 1,413,837 | $305.9M | 0.10% | +453,900+47.3% | Added |
| Charles Schwab Investment Management Inc | 1,426,165 | $305.7M | 0.05% | +38,123+2.7% | Added |
| Legal & General Group Plc | 1,354,196 | $290.3M | 0.07% | −7,503−0.6% | Reduced |
| UBS Group AG | 1,327,195 | $284.5M | 0.05% | +458,515+52.8% | Added |
| Franklin Resources Inc | 1,323,876 | $283.8M | 0.07% | −11,513−0.9% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 1,319,928 | $282.9M | 0.83% | −115,579−8.1% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1,299,987 | $278.7M | 0.25% | +1,110,421+585.8% | Added |
| Vanguard Fiduciary Trust Co | 1,294,702 | $277.5M | 0.07% | +1,294,702 | New |
| Boston Partners | 1,255,789 | $269.2M | 0.28% | −52,764−4.0% | Reduced |
| Amundi | 1,253,439 | $268.7M | 0.07% | −502,267−28.6% | Reduced |
| Deutsche Bank AG | 1,210,543 | $259.5M | 0.09% | −7,148−0.6% | Reduced |
| HSBC Holdings PLC | 1,159,724 | $248.4M | 0.15% | −103,764−8.2% | Reduced |
| Man Group plc | 1,139,692 | $244.3M | 0.51% | +42,183+3.8% | Added |
| AQR Capital Management LLC | 1,044,473 | $221.0M | 0.10% | +147,050+16.4% | Added |
| Barclays PLC | 1,024,007 | $219.5M | 0.08% | +314,554+44.3% | Added |
| Neuberger Berman Group LLC | 1,016,768 | $218.0M | 0.17% | +131,767+14.9% | Added |
| American Century Companies Inc | 932,630 | $199.9M | 0.10% | +195,951+26.6% | Added |
| Gabelli Funds LLC | 928,813 | $199.1M | 1.34% | −15,370−1.6% | Reduced |
| D. E. Shaw & Co., Inc. | 890,254 | $190.8M | 0.15% | −536,680−37.6% | Reduced |
| Maren Capital LLC | 889,503 | $190.7M | 9.97% | +14,166+1.6% | Added |
| Nordea Investment Management AB | 898,125 | $189.0M | 0.18% | +45,540+5.3% | Added |
| Veritas Investment Partners (UK) Ltd. | 854,750 | $183.2M | 4.68% | −32,017−3.6% | Reduced |
| DekaBank Deutsche Girozentrale | 852,057 | $180.5M | 0.30% | 00.0% | Unchanged |
| Primecap Management Co | 823,154 | $176.5M | 0.14% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 795,422 | $166.6M | 0.08% | +643,034+422.0% | Added |
| Balyasny Asset Management LLC | 763,415 | $163.6M | 0.32% | −307,140−28.7% | Reduced |
| Snyder Capital Management L P | 750,790 | $160.9M | 3.12% | −62,643−7.7% | Reduced |
| Westfield Capital Management Co LP | 745,832 | $159.9M | 0.67% | −154,384−17.1% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 748,801 | $159.5M | 0.48% | −61,922−7.6% | Reduced |
| Alecta Pensionsforsakring, Omsesidigt | 730,365 | $156.5M | 0.76% | −743,600−50.4% | Reduced |
| Compagnie Lombard Odier SCmA | 729,155 | $156.3M | 1.92% | +30,394+4.3% | Added |
| Natixis Advisors, L.P. | 717,573 | $153.8M | 0.21% | +45,282+6.7% | Added |
| Nuveen, LLC | 690,784 | $148.1M | 0.04% | +208,213+43.1% | Added |
| Swiss National Bank | 675,625 | $144.8M | 0.08% | +42,700+6.7% | Added |
| 1832 Asset Management L.P. | 622,977 | $133.5M | 0.18% | −179,142−22.3% | Reduced |
| Giverny Capital Inc.SuperinvestorGiverny Capital | 612,058 | $131.2M | 4.80% | −367,400−37.5% | Reduced |
| Bessemer Group Inc | 600,812 | $128.8M | 0.20% | +17,043+2.9% | Added |
| James Hambro & Partners | 583,399 | $125.0M | 4.90% | −25,356−4.2% | Reduced |
| Allianz Asset Management GmbH | 583,261 | $125.0M | 0.14% | −19,013−3.2% | Reduced |
| Acadian Asset Management LLC | 560,118 | $120.1M | 0.17% | +65,802+13.3% | Added |
| Silvercrest Asset Management Group LLC | 558,126 | $119.6M | 0.86% | +4,336+0.8% | Added |
| HM Payson & Co | 553,980 | $118.8M | 1.71% | −13,360−2.4% | Reduced |
| Gamco Investors, Inc. Et Al | 548,597 | $117.6M | 1.16% | −58,262−9.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 542,044 | $116.2M | 0.06% | +97,716+22.0% | Added |
| Cartenna Capital, LP | 535,000 | $114.7M | 5.00% | +185,000+52.9% | Added |
| Lord, Abbett & Co. LLC | 534,546 | $114.6M | 0.37% | +534,546 | New |
| Ameriprise Financial Inc | 531,746 | $113.9M | 0.03% | +9,204+1.8% | Added |
| Royal London Asset Management Ltd | 528,403 | $113.3M | 0.24% | −9,700−1.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 519,244 | $111.3M | 0.07% | +32,006+6.6% | Added |
| Voloridge Investment Management, LLC | 507,748 | $108.8M | 0.44% | −268,312−34.6% | Reduced |
| Vanguard Global Advisers, LLC | 502,666 | $107.8M | 0.06% | +502,666 | New |
| Sumitomo Mitsui Trust Holdings, Inc. | 498,704 | $106.9M | 0.07% | −28,415−5.4% | Reduced |
| Thrivent Financial for Lutherans | 492,649 | $105.6M | 0.20% | +2,225+0.5% | Added |
| TCW Group Inc | 486,922 | $104.4M | 0.79% | +9,722+2.0% | Added |
| BNP Paribas Arbitrage, SA | 485,358 | $104.0M | 0.07% | −24,467−4.8% | Reduced |
| Envestnet Asset Management Inc | 470,099 | $100.8M | 0.03% | +285,682+154.9% | Added |
| Blair William & Co | 457,447 | $98.1M | 0.28% | −28,727−5.9% | Reduced |
| Rhumbline Advisers | 452,471 | $97.0M | 0.08% | −848−0.2% | Reduced |
| Port Capital LLC | 432,246 | $92.7M | 4.12% | −19,458−4.3% | Reduced |
| Capital International Investors | 432,081 | $91.9M | 0.02% | +37,190+9.4% | Added |
| Champlain Investment Partners, LLC | 425,358 | $91.2M | 1.16% | −191,499−31.0% | Reduced |
| Ensign Peak Advisors, Inc | 421,220 | $90.3M | 0.17% | −26,305−5.9% | Reduced |
| SEI Investments Co | 419,188 | $89.9M | 0.08% | +74,431+21.6% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 415,367 | $89.0M | 0.10% | +19,443+4.9% | Added |
| Wells Fargo & Company | 407,026 | $87.2M | 0.02% | +21,551+5.6% | Added |
| Prudential Financial Inc | 405,754 | $87.0M | 0.11% | +272,252+203.9% | Added |
| California Public Employees Retirement System | 401,034 | $86.0M | 0.05% | −30,304−7.0% | Reduced |
| Dixon Mitchell Investment Counsel Inc. | 399,784 | $85.7M | 2.98% | −1,955−0.5% | Reduced |
| Raymond James Financial Inc | 390,221 | $83.6M | 0.03% | +5,329+1.4% | Added |
| California State Teachers Retirement System | 387,696 | $83.1M | 0.09% | −10,199−2.6% | Reduced |
| Harding Loevner LP | 378,705 | $81.2M | 0.84% | −42,985−10.2% | Reduced |
| Canada Pension Plan Investment Board | 376,304 | $80.7M | 0.05% | +42,869+12.9% | Added |
| Point72 Asset Management, L.P. | 373,872 | $80.1M | 0.14% | +248,840+199.0% | Added |
| Vanguard Asset Management, Ltd | 372,139 | $79.8M | 0.07% | +372,139 | New |