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 |
|---|---|---|---|---|---|
| Old West Investment Management, LLC | 12,970 | $2.78M | 0.30% | 00.0% | Unchanged |
| Hartford Investment Management Co | 13,169 | $2.82M | 0.09% | −157−1.2% | Reduced |
| Entropy Technologies, LP | 13,296 | $2.85M | 0.13% | +10,796+431.8% | Added |
| Apollon Wealth Management, LLC | 13,298 | $2.85M | 0.05% | −394−2.9% | Reduced |
| Northwestern Mutual Wealth Management Co | 13,380 | $2.87M | 0.00% | +981+7.9% | Added |
| Bryn Mawr Trust Co | 13,413 | $2.88M | 0.07% | 00.0% | Unchanged |
| Intech Investment Management LLC | 13,642 | $2.92M | 0.03% | +3,766+38.1% | Added |
| Bleakley Financial Group, LLC | 13,706 | $2.94M | 0.05% | +623+4.8% | Added |
| Buckingham Strategic Partners | 13,782 | $2.95M | 0.03% | −616−4.3% | Reduced |
| Norinchukin Bank, The | 13,808 | $2.96M | 0.03% | +30+0.2% | Added |
| Medallion Wealth Advisors, LLC | 13,889 | $2.98M | 0.97% | 00.0% | Unchanged |
| Mizuho Securities USA LLC | 13,917 | $2.98M | 0.07% | −2,845−17.0% | Reduced |
| Atom Investors LP | 14,089 | $3.02M | 0.22% | +14,089 | New |
| Freedom Day Solutions, LLC | 14,195 | $3.04M | 0.82% | −379−2.6% | Reduced |
| Advisors Asset Management, Inc. | 14,377 | $3.08M | 0.05% | +2,373+19.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 14,458 | $3.10M | 0.01% | −8,142−36.0% | Reduced |
| Summit Trail Advisors, LLC | 14,655 | $3.14M | 0.05% | +1,379+10.4% | Added |
| Sit Investment Associates Inc | 14,675 | $3.15M | 0.06% | 00.0% | Unchanged |
| Kepler Cheuvreux (Suisse) SA | 14,806 | $3.17M | 0.21% | −6,889−31.8% | Reduced |
| Perigon Wealth Management, LLC | 14,844 | $3.18M | 0.06% | −302−2.0% | Reduced |
| Harvest Portfolios Group Inc. | 14,845 | $3.18M | 0.05% | +2,420+19.5% | Added |
| Atria Investments LLC | 14,970 | $3.21M | 0.04% | +5,344+55.5% | Added |
| Rafferty Asset Management, LLC | 14,987 | $3.21M | 0.01% | −5,520−26.9% | Reduced |
| Polymer Capital Management (US) LLC | 15,103 | $3.24M | 0.48% | +2,359+18.5% | Added |
| TIAA Wealth Investment Management LLC | 15,210 | $3.26M | 0.02% | +15,210 | New |
| Robocap Asset Management Ltd | 15,400 | $3.30M | 3.53% | −2,064−11.8% | Reduced |
| Rockefeller Capital Management L.P. | 15,442 | $3.31M | 0.01% | +2,560+19.9% | Added |
| Intrust Bank NA | 15,602 | $3.34M | 0.27% | +1,911+14.0% | Added |
| Oppenheimer & Co Inc | 15,628 | $3.35M | 0.04% | +15,628 | New |
| Brinker Capital Investments, LLC | 16,061 | $3.44M | 0.03% | −1,260−7.3% | Reduced |
| Capital International Sarl | 16,320 | $3.50M | 0.06% | +3,901+31.4% | Added |
| MML Investors Services, LLC | 16,377 | $3.51M | 0.01% | +4,246+35.0% | Added |
| Caxton Associates LLP | 16,622 | $3.56M | 0.08% | +1,804+12.2% | Added |
| Neville Rodie & Shaw Inc | 16,785 | $3.60M | 0.26% | −175−1.0% | Reduced |
| Machina Capital S.A.S. | 16,912 | $3.63M | 0.71% | −9,909−36.9% | Reduced |
| 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 |
| Baird Financial Group, Inc. | 17,354 | $3.72M | 0.01% | +530+3.2% | Added |
| Bright Rock Capital Management, LLC | 17,500 | $3.75M | 0.74% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 17,805 | $3.82M | 0.09% | +6,238+53.9% | Added |
| Duncker Streett & Co Inc | 17,823 | $3.82M | 0.73% | −400−2.2% | Reduced |
| Seascape Capital Management | 17,846 | $3.83M | 1.10% | −16−0.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 17,884 | $3.83M | 0.02% | +691+4.0% | Added |
| Commonwealth Equity Services, LLC | 17,995 | $3.86M | 0.01% | −1,326−6.9% | Reduced |
| Core Wealth Partners LLC | 18,000 | $3.86M | 1.79% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 18,017 | $3.86M | 0.17% | −465−2.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 18,115 | $3.88M | 0.03% | 00.0% | Unchanged |
| PFG Advisors | 18,381 | $3.94M | 0.19% | +156+0.9% | Added |
| Clearbridge Investments, LLC | 18,418 | $3.95M | 0.00% | −614−3.2% | Reduced |
| Candriam Luxembourg S.C.A. | 18,422 | $3.95M | 0.02% | +3,487+23.3% | Added |
| MAI Capital Management | 18,447 | $3.95M | 0.02% | +1,267+7.4% | Added |
| First National Advisers, LLC | 18,545 | $3.98M | 0.58% | −2,983−13.9% | Reduced |
| Omers Administration Corp | 18,598 | $3.99M | 0.03% | +10,338+125.2% | Added |
| Concentric Capital Strategies, LP | 18,845 | $4.04M | 0.35% | −73,436−79.6% | Reduced |
| Tower Research Capital LLC (TRC) | 18,928 | $4.06M | 0.11% | +11,478+154.1% | Added |
| Pacer Advisors, Inc. | 19,614 | $4.20M | 0.01% | −2,877−12.8% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 19,812 | $4.25M | 0.02% | +673+3.5% | Added |
| Sterling Capital Management LLC | 19,912 | $4.27M | 0.08% | −4,676−19.0% | Reduced |
| First National Bank of Omaha | 20,042 | $4.30M | 0.13% | −246−1.2% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 20,492 | $4.39M | 0.01% | +62+0.3% | Added |
| Fulcrum Asset Management LLP | 21,485 | $4.48M | 0.68% | +782+3.8% | Added |
| Susquehanna International Group, LLP | 20,890 | $4.48M | 0.01% | −12,651−37.7% | Reduced |
| Kestra Advisory Services, LLC | 21,370 | $4.58M | 0.02% | +246+1.2% | Added |
| Warren Averett Asset Management, LLC | 22,192 | $4.76M | 0.04% | +487+2.2% | Added |
| Allstate Corp | 22,797 | $4.89M | 0.05% | +6,705+41.7% | Added |
| Carnegie Capital Asset Management, LLC | 22,929 | $4.92M | 0.10% | −2,437−9.6% | Reduced |
| Roundview Capital LLC | 22,946 | $4.92M | 0.31% | +486+2.2% | Added |
| M&T Bank Corp | 23,119 | $4.96M | 0.02% | −3,251−12.3% | Reduced |
| Graham Capital Management, L.P. | 23,277 | $4.99M | 0.17% | −12,533−35.0% | Reduced |
| Capital Investment Services of America, Inc. | 23,634 | $5.07M | 0.53% | 00.0% | Unchanged |
| Numerai GP LLC | 23,799 | $5.10M | 0.51% | +22,170+1,361.0% | Added |
| Empowered Funds, LLC | 24,212 | $5.19M | 0.03% | +24,212 | New |
| Vinva Investment Management Ltd | 24,969 | $5.20M | 0.06% | −10,087−28.8% | Reduced |
| Elo Mutual Pension Insurance Co | 24,296 | $5.21M | 0.09% | +1,940+8.7% | Added |
| Atlantic Union Bankshares Corp | 24,406 | $5.23M | 0.10% | −1,132−4.4% | Reduced |
| Ayrshire Capital Management LLC | 24,441 | $5.24M | 2.71% | +24,441 | New |
| Assetmark, Inc | 24,848 | $5.33M | 0.01% | +1,680+7.3% | Added |
| Ethic Inc. | 25,256 | $5.41M | 0.08% | +2,095+9.0% | Added |
| Colony Group, LLC | 25,295 | $5.42M | 0.01% | +2,800+12.4% | Added |
| Promethos Capital, LLC | 25,392 | $5.44M | 1.46% | −1,650−6.1% | Reduced |
| Macquarie Group Ltd | 25,398 | $5.44M | 0.03% | −9,987−28.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 25,618 | $5.49M | 0.31% | +24,500+2,191.4% | Added |
| Bogart Wealth, LLC | 25,764 | $5.52M | 0.21% | +267+1.0% | Added |
| Horizon Investments, LLC | 25,856 | $5.54M | 0.06% | −209−0.8% | Reduced |
| State of Alaska, Department of Revenue | 26,269 | $5.63M | 0.06% | −85−0.3% | Reduced |
| Pathstone Holdings, LLC | 26,318 | $5.64M | 0.02% | +22+0.1% | Added |
| Oregon Public Employees Retirement Fund | 26,389 | $5.66M | 0.07% | +65+0.2% | Added |
| Quadrant Capital Group LLC | 26,675 | $5.72M | 0.17% | +180+0.7% | Added |
| Mendel Money Management | 26,756 | $5.74M | 2.40% | −512−1.9% | Reduced |
| Jefferies Financial Group Inc. | 26,803 | $5.75M | 0.07% | +2,881+12.0% | Added |
| Concurrent Investment Advisors, LLC | 26,808 | $5.75M | 0.06% | +4,067+17.9% | Added |
| Mackenzie Financial Corp | 26,876 | $5.76M | 0.01% | −9,049−25.2% | Reduced |
| Capital Group Private Client Services, Inc. | 27,057 | $5.80M | 0.10% | −15,926−37.1% | Reduced |
| Guinness Atkinson Asset Management Inc | 27,172 | $5.82M | 2.91% | −3,933−12.6% | Reduced |
| Credit Agricole S A | 27,185 | $5.83M | 0.02% | −53,709−66.4% | Reduced |
| Yousif Capital Management, LLC | 27,210 | $5.83M | 0.07% | +2,045+8.1% | Added |
| Pinebridge Investments LLC | 27,604 | $5.92M | 0.05% | −1,426−4.9% | Reduced |
| Ostrum Asset Management | 27,910 | $5.98M | 0.34% | +6,929+33.0% | Added |
| Eurizon Capital SGR S.p.A. | 28,237 | $6.03M | 0.02% | +2,565+10.0% | Added |
| Farmers & Merchants Investments Inc | 28,267 | $6.06M | 0.17% | −586−2.0% | Reduced |