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 |
|---|---|---|---|---|---|
| Medallion Wealth Advisors, LLC | 13,889 | $2.85M | 0.96% | 00.0% | Unchanged |
| Buckingham Strategic Partners | 14,398 | $2.96M | 0.04% | +350+2.5% | Added |
| Kentucky Retirement Systems | 14,464 | $2.97M | 0.08% | 00.0% | Unchanged |
| Fairvoy Private Wealth, LLC | 14,482 | $2.97M | 0.67% | +211+1.5% | Added |
| Freedom Day Solutions, LLC | 14,574 | $2.99M | 0.81% | +150+1.0% | Added |
| Sit Investment Associates Inc | 14,675 | $3.01M | 0.06% | 00.0% | Unchanged |
| Caxton Associates LLP | 14,818 | $3.04M | 0.06% | +11,796+390.3% | Added |
| Jane Street Group, LLC | 14,933 | $3.07M | 0.00% | −69,066−82.2% | Reduced |
| Candriam Luxembourg S.C.A. | 14,935 | $3.07M | 0.02% | +4,505+43.2% | Added |
| Alps Advisors Inc | 14,973 | $3.07M | 0.02% | +1,073+7.7% | Added |
| Perigon Wealth Management, LLC | 15,146 | $3.11M | 0.06% | +99+0.7% | Added |
| Allstate Corp | 16,092 | $3.30M | 0.05% | +8,762+119.5% | Added |
| Mizuho Securities USA LLC | 16,762 | $3.32M | 0.05% | −59−0.4% | Reduced |
| Baird Financial Group, Inc. | 16,824 | $3.45M | 0.01% | −229−1.3% | Reduced |
| Neville Rodie & Shaw Inc | 16,960 | $3.48M | 0.25% | 00.0% | Unchanged |
| MAI Capital Management | 17,180 | $3.53M | 0.02% | −1,223−6.6% | Reduced |
| Steward Partners Investment Advisory, LLC | 17,193 | $3.53M | 0.02% | +506+3.0% | Added |
| Dymon Asia Capital (Singapore) Pte. Ltd. | 17,263 | $3.54M | 0.79% | +17,263 | New |
| Brinker Capital Investments, LLC | 17,321 | $3.56M | 0.03% | −2,147−11.0% | Reduced |
| Robocap Asset Management Ltd | 17,464 | $3.59M | 3.20% | −6,818−28.1% | Reduced |
| Bright Rock Capital Management, LLC | 17,500 | $3.59M | 0.71% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 17,596 | $3.61M | 0.04% | −50,392−74.1% | Reduced |
| Hikari Power Ltd | 17,820 | $3.66M | 0.29% | 00.0% | Unchanged |
| Seascape Capital Management | 17,862 | $3.67M | 1.04% | +350+2.0% | Added |
| Core Wealth Partners LLC | 18,000 | $3.70M | 1.66% | 00.0% | Unchanged |
| Buckhead Capital Management LLC | 18,039 | $3.70M | 1.33% | +90.0% | Added |
| Groupama Asset Managment | 18,044 | $3.70M | 0.05% | −953−5.0% | Reduced |
| Teachers Retirement System of the State of Kentucky | 18,115 | $3.72M | 0.03% | −25,399−58.4% | Reduced |
| Duncker Streett & Co Inc | 18,223 | $3.74M | 0.66% | −10,302−36.1% | Reduced |
| PFG Advisors | 18,225 | $3.74M | 0.18% | −17,186−48.5% | Reduced |
| Aquatic Capital Management LLC | 18,227 | $3.74M | 0.11% | −10,129−35.7% | Reduced |
| Quest Partners LLC | 18,333 | $3.76M | 0.21% | −2,997−14.1% | Reduced |
| Moors & Cabot, Inc. | 18,482 | $3.79M | 0.16% | +75+0.4% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 18,814 | $3.86M | 0.03% | +6,955+58.6% | Added |
| Investment Management Corp of Ontario | 18,952 | $3.89M | 0.05% | +8,112+74.8% | Added |
| Clearbridge Investments, LLC | 19,032 | $3.91M | 0.00% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 19,139 | $3.93M | 0.02% | +2,755+16.8% | Added |
| Commonwealth Equity Services, LLC | 19,321 | $3.97M | 0.01% | −1,178−5.7% | Reduced |
| Tiaa Trust, National Association | 19,992 | $4.10M | 0.01% | −3,438−14.7% | Reduced |
| SummitTX Capital, L.P. | 20,229 | $4.15M | 0.13% | +15,756+352.2% | Added |
| First National Bank of Omaha | 20,288 | $4.17M | 0.12% | −317−1.5% | Reduced |
| Voleon Capital Management LP | 20,417 | $4.19M | 0.09% | −55,444−73.1% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 20,430 | $4.19M | 0.01% | −914−4.3% | Reduced |
| Rafferty Asset Management, LLC | 20,507 | $4.21M | 0.01% | −276−1.3% | Reduced |
| Swiss Life Asset Management Ltd | 20,855 | $4.28M | 0.02% | −1,003−4.6% | Reduced |
| Fulcrum Asset Management LLP | 20,703 | $4.29M | 1.19% | −779−3.6% | Reduced |
| Ostrum Asset Management | 20,981 | $4.31M | 0.21% | −2,447−10.4% | Reduced |
| Kestra Advisory Services, LLC | 21,124 | $4.34M | 0.02% | +1,946+10.1% | Added |
| LGT Fund Management Co Ltd. | 21,164 | $4.38M | 0.35% | +7,186+51.4% | Added |
| Public Employees Retirement Association of Colorado | 21,353 | $4.38M | 0.02% | 00.0% | Unchanged |
| First National Advisers, LLC | 21,528 | $4.42M | 0.61% | −398−1.8% | Reduced |
| Kepler Cheuvreux (Suisse) SA | 21,695 | $4.45M | 0.25% | −10,926−33.5% | Reduced |
| Warren Averett Asset Management, LLC | 21,705 | $4.46M | 0.04% | +19,652+957.2% | Added |
| Generali Asset Management SPA SGR | 21,903 | $4.50M | 0.09% | +2,276+11.6% | Added |
| UniSuper Management Pty Ltd | 21,953 | $4.51M | 0.03% | −782−3.4% | Reduced |
| Elo Mutual Pension Insurance Co | 22,356 | $4.59M | 0.07% | −3,416−13.3% | Reduced |
| Roundview Capital LLC | 22,460 | $4.61M | 0.28% | +517+2.4% | Added |
| Pacer Advisors, Inc. | 22,491 | $4.62M | 0.01% | −73,570−76.6% | Reduced |
| Colony Group, LLC | 22,495 | $4.62M | 0.01% | +5,581+33.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 22,600 | $4.64M | 0.01% | −47,642−67.8% | Reduced |
| Argent Capital Management LLC | 22,600 | $4.64M | 0.13% | −153−0.7% | Reduced |
| Concurrent Investment Advisors, LLC | 22,741 | $4.67M | 0.05% | +22,741 | New |
| Cumberland Partners Ltd | 23,063 | $4.74M | 0.29% | +23,063 | New |
| Ethic Inc. | 23,161 | $4.76M | 0.07% | +1,979+9.3% | Added |
| Assetmark, Inc | 23,168 | $4.76M | 0.01% | −45,421−66.2% | Reduced |
| Lighthouse Investment Partners, LLC | 23,417 | $4.81M | 0.16% | +19,599+513.3% | Added |
| Capital Investment Services of America, Inc. | 23,634 | $4.85M | 0.46% | 00.0% | Unchanged |
| Jefferies Financial Group Inc. | 23,922 | $4.91M | 0.04% | +20,946+703.8% | Added |
| Trexquant Investment LP | 24,014 | $4.93M | 0.04% | +24,014 | New |
| OP Asset Management Ltd | 24,497 | $5.03M | 0.06% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 24,588 | $5.05M | 0.08% | +80.0% | Added |
| Carnegie Capital Asset Management, LLC | 25,366 | $5.21M | 0.10% | +825+3.4% | Added |
| Bogart Wealth, LLC | 25,497 | $5.23M | 0.21% | +108+0.4% | Added |
| Atlantic Union Bankshares Corp | 25,538 | $5.24M | 0.10% | −915−3.5% | Reduced |
| Eurizon Capital SGR S.p.A. | 25,672 | $5.28M | 0.02% | +25,672 | New |
| Horizon Investments, LLC | 26,065 | $5.35M | 0.07% | +3,044+13.2% | Added |
| Yousif Capital Management, LLC | 25,165 | $5.36M | 0.06% | −1,795−6.7% | Reduced |
| GAM Holding AG | 26,276 | $5.39M | 0.34% | +9,754+59.0% | Added |
| Pathstone Holdings, LLC | 26,296 | $5.40M | 0.02% | +3,825+17.0% | Added |
| Oregon Public Employees Retirement Fund | 26,324 | $5.40M | 0.07% | −100−0.4% | Reduced |
| State of Alaska, Department of Revenue | 26,354 | $5.41M | 0.06% | −1,760−6.3% | Reduced |
| M&T Bank Corp | 26,370 | $5.41M | 0.02% | +1,043+4.1% | Added |
| Quadrant Capital Group LLC | 26,495 | $5.44M | 0.16% | +1,945+7.9% | Added |
| Machina Capital S.A.S. | 26,821 | $5.51M | 1.05% | +2,456+10.1% | Added |
| Mercer Global Advisors Inc | 25,291 | $5.54M | 0.01% | +1,504+6.3% | Added |
| Promethos Capital, LLC | 27,042 | $5.55M | 1.51% | −2,060−7.1% | Reduced |
| Mendel Money Management | 27,268 | $5.60M | 2.34% | +71+0.3% | Added |
| Oddo BHF Asset Management SAS | 28,320 | $5.81M | 0.22% | −547−1.9% | Reduced |
| JustInvest LLC | 28,655 | $5.88M | 0.06% | +1,763+6.6% | Added |
| Farmers & Merchants Investments Inc | 28,853 | $5.92M | 0.16% | −1,271−4.2% | Reduced |
| Pinebridge Investments LLC | 29,030 | $5.96M | 0.04% | +29,030 | New |
| Aviso Financial Inc. | 29,052 | $5.96M | 0.23% | +323+1.1% | Added |
| O'Shaughnessy Asset Management, LLC | 29,370 | $6.03M | 0.03% | +2,945+11.1% | Added |
| ING Groep NV | 29,751 | $6.11M | 0.04% | −62,306−67.7% | Reduced |
| AIA Group Ltd | 29,786 | $6.12M | 0.09% | +29,786 | New |
| Public Sector Pension Investment Board | 29,828 | $6.12M | 0.02% | +9,732+48.4% | Added |
| Hikari Tsushin, Inc. | 30,529 | $6.27M | 0.41% | −1,710−5.3% | Reduced |
| NEOS Investment Management LLC | 30,537 | $6.27M | 0.04% | +4,948+19.3% | Added |
| Clear Harbor Asset Management, LLC | 30,547 | $6.27M | 0.43% | +150.0% | Added |
| Rakuten Investment Management, Inc. | 30,315 | $6.33M | 0.02% | +19,153+171.6% | Added |