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 |
|---|---|---|---|---|---|
| First National Bank of Omaha | 20,042 | $4.30M | 0.13% | −246−1.2% | Reduced |
| Sterling Capital Management LLC | 19,912 | $4.27M | 0.08% | −4,676−19.0% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 19,812 | $4.25M | 0.02% | +673+3.5% | Added |
| Pacer Advisors, Inc. | 19,614 | $4.20M | 0.01% | −2,877−12.8% | Reduced |
| Tower Research Capital LLC (TRC) | 18,928 | $4.06M | 0.11% | +11,478+154.1% | Added |
| Concentric Capital Strategies, LP | 18,845 | $4.04M | 0.35% | −73,436−79.6% | Reduced |
| Omers Administration Corp | 18,598 | $3.99M | 0.03% | +10,338+125.2% | Added |
| First National Advisers, LLC | 18,545 | $3.98M | 0.58% | −2,983−13.9% | Reduced |
| MAI Capital Management | 18,447 | $3.95M | 0.02% | +1,267+7.4% | Added |
| Candriam Luxembourg S.C.A. | 18,422 | $3.95M | 0.02% | +3,487+23.3% | Added |
| Clearbridge Investments, LLC | 18,418 | $3.95M | 0.00% | −614−3.2% | Reduced |
| PFG Advisors | 18,381 | $3.94M | 0.19% | +156+0.9% | Added |
| Teachers Retirement System of the State of Kentucky | 18,115 | $3.88M | 0.03% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 18,017 | $3.86M | 0.17% | −465−2.5% | Reduced |
| Core Wealth Partners LLC | 18,000 | $3.86M | 1.79% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 17,995 | $3.86M | 0.01% | −1,326−6.9% | Reduced |
| Steward Partners Investment Advisory, LLC | 17,884 | $3.83M | 0.02% | +691+4.0% | Added |
| Seascape Capital Management | 17,846 | $3.83M | 1.10% | −16−0.1% | Reduced |
| Duncker Streett & Co Inc | 17,823 | $3.82M | 0.73% | −400−2.2% | Reduced |
| Gulf International Bank (UK) Ltd | 17,805 | $3.82M | 0.09% | +6,238+53.9% | Added |
| Bright Rock Capital Management, LLC | 17,500 | $3.75M | 0.74% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 17,354 | $3.72M | 0.01% | +530+3.2% | Added |
| Marvin & Palmer Associates Inc | 16,917 | $3.63M | 4.34% | +16,917 | New |
| Mirabella Financial Services LLP | 16,917 | $3.63M | 0.35% | +16,917 | New |
| Machina Capital S.A.S. | 16,912 | $3.63M | 0.71% | −9,909−36.9% | Reduced |
| Neville Rodie & Shaw Inc | 16,785 | $3.60M | 0.26% | −175−1.0% | Reduced |
| Caxton Associates LLP | 16,622 | $3.56M | 0.08% | +1,804+12.2% | Added |
| MML Investors Services, LLC | 16,377 | $3.51M | 0.01% | +4,246+35.0% | Added |
| Capital International Sarl | 16,320 | $3.50M | 0.06% | +3,901+31.4% | Added |
| Brinker Capital Investments, LLC | 16,061 | $3.44M | 0.03% | −1,260−7.3% | Reduced |
| Oppenheimer & Co Inc | 15,628 | $3.35M | 0.04% | +15,628 | New |
| Intrust Bank NA | 15,602 | $3.34M | 0.27% | +1,911+14.0% | Added |
| Rockefeller Capital Management L.P. | 15,442 | $3.31M | 0.01% | +2,560+19.9% | Added |
| Robocap Asset Management Ltd | 15,400 | $3.30M | 3.53% | −2,064−11.8% | Reduced |
| TIAA Wealth Investment Management LLC | 15,210 | $3.26M | 0.02% | +15,210 | New |
| Polymer Capital Management (US) LLC | 15,103 | $3.24M | 0.48% | +2,359+18.5% | Added |
| Rafferty Asset Management, LLC | 14,987 | $3.21M | 0.01% | −5,520−26.9% | Reduced |
| Atria Investments LLC | 14,970 | $3.21M | 0.04% | +5,344+55.5% | Added |
| Harvest Portfolios Group Inc. | 14,845 | $3.18M | 0.05% | +2,420+19.5% | Added |
| Perigon Wealth Management, LLC | 14,844 | $3.18M | 0.06% | −302−2.0% | Reduced |
| Kepler Cheuvreux (Suisse) SA | 14,806 | $3.17M | 0.21% | −6,889−31.8% | Reduced |
| Sit Investment Associates Inc | 14,675 | $3.15M | 0.06% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 14,655 | $3.14M | 0.05% | +1,379+10.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 14,458 | $3.10M | 0.01% | −8,142−36.0% | Reduced |
| Advisors Asset Management, Inc. | 14,377 | $3.08M | 0.05% | +2,373+19.8% | Added |
| Freedom Day Solutions, LLC | 14,195 | $3.04M | 0.82% | −379−2.6% | Reduced |
| Atom Investors LP | 14,089 | $3.02M | 0.22% | +14,089 | New |
| Mizuho Securities USA LLC | 13,917 | $2.98M | 0.07% | −2,845−17.0% | Reduced |
| Medallion Wealth Advisors, LLC | 13,889 | $2.98M | 0.97% | 00.0% | Unchanged |
| Norinchukin Bank, The | 13,808 | $2.96M | 0.03% | +30+0.2% | Added |
| Buckingham Strategic Partners | 13,782 | $2.95M | 0.03% | −616−4.3% | Reduced |
| Bleakley Financial Group, LLC | 13,706 | $2.94M | 0.05% | +623+4.8% | Added |
| Intech Investment Management LLC | 13,642 | $2.92M | 0.03% | +3,766+38.1% | Added |
| Bryn Mawr Trust Co | 13,413 | $2.88M | 0.07% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 13,380 | $2.87M | 0.00% | +981+7.9% | Added |
| Apollon Wealth Management, LLC | 13,298 | $2.85M | 0.05% | −394−2.9% | Reduced |
| Entropy Technologies, LP | 13,296 | $2.85M | 0.13% | +10,796+431.8% | Added |
| Hartford Investment Management Co | 13,169 | $2.82M | 0.09% | −157−1.2% | Reduced |
| Old West Investment Management, LLC | 12,970 | $2.78M | 0.30% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 12,887 | $2.76M | 0.01% | +567+4.6% | Added |
| Alps Advisors Inc | 12,706 | $2.72M | 0.01% | −2,267−15.1% | Reduced |
| Vident Advisory, LLC | 12,565 | $2.69M | 0.02% | +3,451+37.9% | Added |
| Ferguson Wellman Capital Management, Inc | 12,477 | $2.67M | 0.04% | +40.0% | Added |
| Generali Asset Management SPA SGR | 12,293 | $2.64M | 0.05% | −9,610−43.9% | Reduced |
| Cove Private Wealth, LLC | 12,250 | $2.63M | 0.60% | 00.0% | Unchanged |
| Groupama Asset Managment | 12,234 | $2.62M | 0.04% | −5,810−32.2% | Reduced |
| Addison Capital Co | 12,177 | $2.61M | 0.46% | +736+6.4% | Added |
| CWM Advisors, LLC | 12,083 | $2.59M | 0.15% | +10,490+658.5% | Added |
| Sciencast Management LP | 12,067 | $2.59M | 0.33% | +12,067 | New |
| Vestmark Advisory Solutions, Inc. | 12,039 | $2.58M | 0.03% | +698+6.2% | Added |
| QRG Capital Management, Inc. | 12,029 | $2.58M | 0.03% | −528−4.2% | Reduced |
| Andra AP-fonden | 12,000 | $2.57M | 0.03% | +2,500+26.3% | Added |
| Convergence Financial, LLC | 11,947 | $2.56M | 0.27% | −367−3.0% | Reduced |
| Louisiana State Employees Retirement System | 11,700 | $2.51M | 0.04% | −100−0.8% | Reduced |
| CIBC World Markets Inc. | 11,690 | $2.51M | 0.00% | +414+3.7% | Added |
| Fairvoy Private Wealth, LLC | 11,688 | $2.51M | 0.60% | −2,794−19.3% | Reduced |
| Abn Amro Investment Solutions | 11,613 | $2.49M | 0.03% | +1,575+15.7% | Added |
| Laird Norton Trust Company, LLC | 11,601 | $2.49M | 0.05% | −365−3.1% | Reduced |
| Close Asset Management Ltd | 11,582 | $2.48M | 0.07% | +3,214+38.4% | Added |
| Snowden Capital Advisors LLC | 11,535 | $2.47M | 0.07% | +10,087+696.6% | Added |
| Maryland State Retirement & Pension System | 11,487 | $2.46M | 0.05% | 00.0% | Unchanged |
| Cypress Advisory Group LLC | 11,405 | $2.44M | 1.86% | 00.0% | Unchanged |
| Donoghue Forlines LLC | 11,389 | $2.44M | 0.68% | +11,389 | New |
| GAM Holding AG | 11,156 | $2.39M | 0.21% | −15,120−57.5% | Reduced |
| Rathbone Brothers plc | 11,151 | $2.39M | 0.01% | 00.0% | Unchanged |
| VCI Wealth Management LLC | 10,973 | $2.35M | 0.65% | +10,973 | New |
| Buckhead Capital Management LLC | 10,972 | $2.35M | 0.89% | −7,067−39.2% | Reduced |
| Simplex Trading, LLC | 10,908 | $2.34M | 0.07% | +5,964+120.6% | Added |
| Integrated Wealth Concepts LLC | 10,891 | $2.33M | 0.02% | +7,808+253.3% | Added |
| Ascent Group, LLC | 10,889 | $2.33M | 0.08% | −22,529−67.4% | Reduced |
| Portfolio Design Labs, LLC | 10,864 | $2.33M | 0.41% | +1,432+15.2% | Added |
| Woodline Partners LP | 10,803 | $2.32M | 0.01% | +3,238+42.8% | Added |
| Plato Investment Management Ltd | 10,751 | $2.31M | 0.15% | 00.0% | Unchanged |
| Valley National Advisers Inc | 10,619 | $2.27M | 0.29% | +13+0.1% | Added |
| Voleon Capital Management LP | 10,592 | $2.27M | 0.05% | −9,825−48.1% | Reduced |
| Occudo Quantitative Strategies LP | 9,612 | $2.26M | 0.12% | +4,968+107.0% | Added |
| New Mexico Educational Retirement Board | 10,550 | $2.26M | 0.07% | 00.0% | Unchanged |
| Sumitomo Life Insurance Co | 10,488 | $2.25M | 0.05% | +264+2.6% | Added |
| We Are One Seven, LLC | 10,448 | $2.24M | 0.04% | −116−1.1% | Reduced |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 10,410 | $2.23M | 0.49% | −6,853−39.7% | Reduced |