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 |
|---|---|---|---|---|---|
| Northwestern Mutual Investment Management Company, LLC | 7,355 | $1.51M | 0.02% | −6−0.1% | Reduced |
| South Dakota Investment Council | 7,407 | $1.52M | 0.03% | −200−2.6% | Reduced |
| Tower Research Capital LLC (TRC) | 7,450 | $1.53M | 0.04% | −2,013−21.3% | Reduced |
| Diversified Trust Co | 7,467 | $1.53M | 0.03% | −1,007−11.9% | Reduced |
| Douglass Winthrop Advisors, LLC | 7,478 | $1.54M | 0.03% | 00.0% | Unchanged |
| Everence Capital Management Inc | 7,484 | $1.54M | 0.09% | +2,129+39.8% | Added |
| Woodline Partners LP | 7,565 | $1.55M | 0.01% | −80,289−91.4% | Reduced |
| Adviser Investments LLC | 7,732 | $1.59M | 0.02% | −320−4.0% | Reduced |
| Inspire Advisors, LLC | 7,738 | $1.59M | 0.15% | +506+7.0% | Added |
| Cim, LLC | 7,829 | $1.61M | 0.21% | +184+2.4% | Added |
| ICW Investment Advisors LLC | 7,831 | $1.61M | 0.58% | +51+0.7% | Added |
| Empirical Finance, LLC | 7,836 | $1.61M | 0.08% | −337−4.1% | Reduced |
| Pallas Capital Advisors LLC | 7,841 | $1.61M | 0.05% | +139+1.8% | Added |
| Absher Wealth Management, LLC | 7,853 | $1.61M | 0.19% | −490−5.9% | Reduced |
| HB Wealth Management, LLC | 7,855 | $1.61M | 0.01% | +547+7.5% | Added |
| North Dakota State Investment Board | 7,900 | $1.62M | 0.06% | +7,900 | New |
| Wasatch Advisors Inc | 7,919 | $1.63M | 0.01% | −1,299−14.1% | Reduced |
| Affinity Capital Advisors, LLC | 7,921 | $1.63M | 0.23% | −923−10.4% | Reduced |
| Alyeska Investment Group, L.P. | 8,064 | $1.66M | 0.00% | +8,064 | New |
| Quantbot Technologies LP | 8,244 | $1.69M | 0.06% | −65,938−88.9% | Reduced |
| Davenport & Co LLC | 8,256 | $1.70M | 0.01% | +1,326+19.1% | Added |
| Omers Administration Corp | 8,260 | $1.70M | 0.01% | −43,000−83.9% | Reduced |
| Value Partners Investments Inc. | 8,250 | $1.70M | 0.13% | +377+4.8% | Added |
| Crestwood Advisors Group LLC | 8,263 | $1.70M | 0.03% | +109+1.3% | Added |
| Carret Asset Management, LLC | 8,275 | $1.70M | 0.16% | 00.0% | Unchanged |
| Mirabaud & Cie SA | 8,300 | $1.70M | 0.55% | −2,500−23.1% | Reduced |
| Close Asset Management Ltd | 8,368 | $1.72M | 0.04% | +8,368 | New |
| Guggenheim Capital LLC | 8,453 | $1.74M | 0.01% | −11,848−58.4% | Reduced |
| Merit Financial Group, LLC | 8,515 | $1.75M | 0.01% | +1,481+21.1% | Added |
| E. Ohman J:or Asset Management AB | 8,640 | $1.77M | 0.04% | 00.0% | Unchanged |
| AustralianSuper Pty Ltd | 8,676 | $1.78M | 0.01% | 00.0% | Unchanged |
| Sequoia Financial Advisors, LLC | 8,701 | $1.79M | 0.01% | +2,676+44.4% | Added |
| Gateway Investment Advisers LLC | 8,718 | $1.79M | 0.02% | +90+1.0% | Added |
| Private Advisor Group, LLC | 8,719 | $1.79M | 0.01% | +1,358+18.4% | Added |
| RSM US Wealth Management LLC | 8,669 | $1.79M | 0.02% | +2,146+32.9% | Added |
| Illumine Investment Management, LLC | 8,770 | $1.80M | 1.31% | −78−0.9% | Reduced |
| Mayfair Advisory Group, LLC | 8,698 | $1.82M | 0.71% | 00.0% | Unchanged |
| Resources Management Corp | 9,051 | $1.86M | 0.24% | −553−5.8% | Reduced |
| Vident Advisory, LLC | 9,114 | $1.87M | 0.02% | +329+3.7% | Added |
| Crossmark Global Holdings, Inc. | 9,120 | $1.87M | 0.03% | +292+3.3% | Added |
| Rodgers Brothers Inc. | 9,250 | $1.90M | 0.23% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 9,352 | $1.92M | 0.01% | +2,222+31.2% | Added |
| Portfolio Design Labs, LLC | 9,432 | $1.94M | 0.32% | +308+3.4% | Added |
| Andra AP-fonden | 9,500 | $1.95M | 0.02% | −60,500−86.4% | Reduced |
| Drake & Associates, LLC | 9,564 | $1.96M | 0.39% | −4,729−33.1% | Reduced |
| Harfst & Associates, Inc. | 9,574 | $1.97M | 0.35% | −40−0.4% | Reduced |
| Atria Investments LLC | 9,626 | $1.98M | 0.02% | +1,681+21.2% | Added |
| Trivant Custom Portfolio Group, LLC | 9,718 | $2.00M | 1.15% | −88−0.9% | Reduced |
| Runnymede Capital Advisors, Inc. | 9,718 | $2.00M | 1.15% | +9,718 | New |
| Intech Investment Management LLC | 9,876 | $2.03M | 0.02% | +1,460+17.3% | Added |
| Accurate Wealth Management, LLC | 9,746 | $2.05M | 0.26% | −5,385−35.6% | Reduced |
| Tyche Wealth Partners LLC | 10,032 | $2.06M | 0.33% | −11,908−54.3% | Reduced |
| Sienna Gestion | 10,000 | $2.06M | 0.12% | +10,000 | New |
| Abn Amro Investment Solutions | 10,038 | $2.06M | 0.03% | +10,038 | New |
| AG2R la Mondiale Gestion D'Actifs | 10,157 | $2.09M | 0.09% | +597+6.2% | Added |
| Sumitomo Life Insurance Co | 10,224 | $2.10M | 0.06% | +66+0.6% | Added |
| Virtus Investment Advisers, Inc. | 10,305 | $2.12M | 0.58% | +10,305 | New |
| New Mexico Educational Retirement Board | 10,550 | $2.17M | 0.06% | +100+1.0% | Added |
| We Are One Seven, LLC | 10,564 | $2.17M | 0.04% | +40.0% | Added |
| Valley National Advisers Inc | 10,606 | $2.18M | 0.30% | −360−3.3% | Reduced |
| Landscape Capital Management, L.L.C. | 10,628 | $2.18M | 0.15% | −5,722−35.0% | Reduced |
| Plato Investment Management Ltd | 10,751 | $2.22M | 0.14% | +47+0.4% | Added |
| Oak Thistle LLC | 10,857 | $2.23M | 0.31% | +10,857 | New |
| Sarasin & Partners LLP | 10,998 | $2.26M | 0.02% | +10,998 | New |
| Bellwether Advisors, LLC | 11,011 | $2.26M | 0.36% | +11,011 | New |
| Rathbone Brothers plc | 11,151 | $2.29M | 0.01% | −700−5.9% | Reduced |
| Toroso Investments, LLC | 11,193 | $2.30M | 0.01% | +1,123+11.2% | Added |
| CIBC World Markets Inc. | 11,276 | $2.32M | 0.00% | +162+1.5% | Added |
| Vestmark Advisory Solutions, Inc. | 11,341 | $2.33M | 0.03% | +2,514+28.5% | Added |
| Jump Financial, LLC | 11,376 | $2.34M | 0.03% | −39,364−77.6% | Reduced |
| Cypress Advisory Group LLC | 11,405 | $2.34M | 1.72% | 00.0% | Unchanged |
| Addison Capital Co | 11,441 | $2.35M | 0.59% | +3,145+37.9% | Added |
| Maryland State Retirement & Pension System | 11,487 | $2.36M | 0.05% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 11,567 | $2.38M | 0.08% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 11,800 | $2.42M | 0.04% | −300−2.5% | Reduced |
| Kensington Investment Counsel, LLC | 11,893 | $2.44M | 0.99% | −1,051−8.1% | Reduced |
| Laird Norton Trust Company, LLC | 11,966 | $2.46M | 0.05% | +11,966 | New |
| Delta Global Management LP | 11,987 | $2.46M | 0.18% | −1,320−9.9% | Reduced |
| Advisors Asset Management, Inc. | 12,004 | $2.46M | 0.04% | +1,667+16.1% | Added |
| Burney Co | 12,084 | $2.48M | 0.08% | −327−2.6% | Reduced |
| MML Investors Services, LLC | 12,131 | $2.49M | 0.01% | −131−1.1% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 12,180 | $2.50M | 0.06% | 00.0% | Unchanged |
| Cove Private Wealth, LLC | 12,250 | $2.52M | 0.75% | +1,250+11.4% | Added |
| Convergence Financial, LLC | 12,314 | $2.53M | 0.37% | +717+6.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 12,320 | $2.53M | 0.01% | +661+5.7% | Added |
| Northwestern Mutual Wealth Management Co | 12,399 | $2.55M | 0.00% | −20−0.2% | Reduced |
| Capital International Sarl | 12,419 | $2.55M | 0.04% | −3,491−21.9% | Reduced |
| Harvest Portfolios Group Inc. | 12,425 | $2.55M | 0.04% | +616+5.2% | Added |
| Ferguson Wellman Capital Management, Inc | 12,473 | $2.56M | 0.04% | −20.0% | Reduced |
| QRG Capital Management, Inc. | 12,557 | $2.58M | 0.03% | +3,590+40.0% | Added |
| Polymer Capital Management (US) LLC | 12,744 | $2.62M | 0.34% | +4,244+49.9% | Added |
| Rockefeller Capital Management L.P. | 12,882 | $2.65M | 0.00% | +1,857+16.8% | Added |
| Old West Investment Management, LLC | 12,970 | $2.66M | 0.48% | +12,970 | New |
| Bleakley Financial Group, LLC | 13,083 | $2.69M | 0.05% | −941−6.7% | Reduced |
| Summit Trail Advisors, LLC | 13,276 | $2.73M | 0.05% | −1,997−13.1% | Reduced |
| Hartford Investment Management Co | 13,326 | $2.74M | 0.08% | −243−1.8% | Reduced |
| Bryn Mawr Trust Co | 13,413 | $2.75M | 0.06% | 00.0% | Unchanged |
| Intrust Bank NA | 13,691 | $2.81M | 0.23% | +479+3.6% | Added |
| Apollon Wealth Management, LLC | 13,692 | $2.81M | 0.05% | −743−5.1% | Reduced |
| Norinchukin Bank, The | 13,778 | $2.83M | 0.03% | +797+6.1% | Added |