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 |
|---|---|---|---|---|---|
| Night Squared LP | 35,858 | $7.36M | 2.07% | +35,858 | New |
| Graham Capital Management, L.P. | 35,810 | $7.35M | 0.25% | −6,281−14.9% | Reduced |
| Comerica Bank | 35,607 | $7.31M | 0.03% | −30,895−46.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 35,451 | $7.28M | 0.06% | −1,614−4.4% | Reduced |
| Peapack Gladstone Financial Corp | 35,432 | $7.28M | 0.09% | −1,562−4.2% | Reduced |
| Macquarie Group Ltd | 35,385 | $7.26M | 0.03% | −115,171−76.5% | Reduced |
| Vinva Investment Management Ltd | 35,056 | $7.26M | 0.09% | +16,475+88.7% | Added |
| Johnson Investment Counsel Inc | 34,786 | $7.14M | 0.06% | −1,154−3.2% | Reduced |
| Regency Capital Management Inc. | 34,740 | $7.13M | 2.97% | +390+1.1% | Added |
| Schroder Investment Management Group | 33,984 | $6.98M | 0.01% | −3,034−8.2% | Reduced |
| Signature Wealth Management Partners, LLC | 33,950 | $6.97M | 3.45% | −105−0.3% | Reduced |
| Martin Investment Management, LLC | 33,836 | $6.95M | 1.94% | −2,421−6.7% | Reduced |
| Susquehanna International Group, LLP | 33,541 | $6.89M | 0.01% | +300+0.9% | Added |
| Ascent Group, LLC | 33,418 | $6.86M | 0.23% | −4,821−12.6% | Reduced |
| Tredje AP-fonden | 32,716 | $6.72M | 0.05% | +16,440+101.0% | Added |
| Truist Financial Corp | 32,607 | $6.69M | 0.01% | −856−2.6% | Reduced |
| StoneX Group Inc. | 32,588 | $6.69M | 0.29% | −171−0.5% | Reduced |
| Wealthfront Advisers LLC | 32,306 | $6.63M | 0.01% | +3,321+11.5% | Added |
| Brown Advisory Inc | 32,225 | $6.62M | 0.01% | −104−0.3% | Reduced |
| CIBC World Markets Corp | 32,050 | $6.58M | 0.03% | +32,050 | New |
| New York Life Investment Management LLC | 31,732 | $6.51M | 0.06% | +103+0.3% | Added |
| Guinness Atkinson Asset Management Inc | 31,105 | $6.49M | 3.06% | −1,800−5.5% | Reduced |
| US Bancorp | 31,503 | $6.47M | 0.01% | −414−1.3% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 31,386 | $6.44M | 0.31% | −3,558−10.2% | Reduced |
| Advisor Group Holdings, Inc. | 31,336 | $6.44M | 0.01% | −2,140−6.4% | Reduced |
| Petredis Investment Advisors LLC | 31,273 | $6.42M | 0.50% | −403−1.3% | Reduced |
| Grimes & Company, Inc. | 30,898 | $6.34M | 0.15% | +30,898 | New |
| Rakuten Investment Management, Inc. | 30,315 | $6.33M | 0.02% | +19,153+171.6% | Added |
| Clear Harbor Asset Management, LLC | 30,547 | $6.27M | 0.43% | +150.0% | Added |
| NEOS Investment Management LLC | 30,537 | $6.27M | 0.04% | +4,948+19.3% | Added |
| Hikari Tsushin, Inc. | 30,529 | $6.27M | 0.41% | −1,710−5.3% | Reduced |
| Public Sector Pension Investment Board | 29,828 | $6.12M | 0.02% | +9,732+48.4% | Added |
| AIA Group Ltd | 29,786 | $6.12M | 0.09% | +29,786 | New |
| ING Groep NV | 29,751 | $6.11M | 0.04% | −62,306−67.7% | Reduced |
| O'Shaughnessy Asset Management, LLC | 29,370 | $6.03M | 0.03% | +2,945+11.1% | Added |
| Aviso Financial Inc. | 29,052 | $5.96M | 0.23% | +323+1.1% | Added |
| Pinebridge Investments LLC | 29,030 | $5.96M | 0.04% | +29,030 | New |
| Farmers & Merchants Investments Inc | 28,853 | $5.92M | 0.16% | −1,271−4.2% | Reduced |
| JustInvest LLC | 28,655 | $5.88M | 0.06% | +1,763+6.6% | Added |
| Oddo BHF Asset Management SAS | 28,320 | $5.81M | 0.22% | −547−1.9% | Reduced |
| Mendel Money Management | 27,268 | $5.60M | 2.34% | +71+0.3% | Added |
| Promethos Capital, LLC | 27,042 | $5.55M | 1.51% | −2,060−7.1% | Reduced |
| Mercer Global Advisors Inc | 25,291 | $5.54M | 0.01% | +1,504+6.3% | Added |
| Machina Capital S.A.S. | 26,821 | $5.51M | 1.05% | +2,456+10.1% | Added |
| Quadrant Capital Group LLC | 26,495 | $5.44M | 0.16% | +1,945+7.9% | Added |
| M&T Bank Corp | 26,370 | $5.41M | 0.02% | +1,043+4.1% | Added |
| State of Alaska, Department of Revenue | 26,354 | $5.41M | 0.06% | −1,760−6.3% | Reduced |
| Oregon Public Employees Retirement Fund | 26,324 | $5.40M | 0.07% | −100−0.4% | Reduced |
| Pathstone Holdings, LLC | 26,296 | $5.40M | 0.02% | +3,825+17.0% | Added |
| GAM Holding AG | 26,276 | $5.39M | 0.34% | +9,754+59.0% | Added |
| Yousif Capital Management, LLC | 25,165 | $5.36M | 0.06% | −1,795−6.7% | Reduced |
| Horizon Investments, LLC | 26,065 | $5.35M | 0.07% | +3,044+13.2% | Added |
| Eurizon Capital SGR S.p.A. | 25,672 | $5.28M | 0.02% | +25,672 | New |
| Atlantic Union Bankshares Corp | 25,538 | $5.24M | 0.10% | −915−3.5% | Reduced |
| Bogart Wealth, LLC | 25,497 | $5.23M | 0.21% | +108+0.4% | Added |
| Carnegie Capital Asset Management, LLC | 25,366 | $5.21M | 0.10% | +825+3.4% | Added |
| Sterling Capital Management LLC | 24,588 | $5.05M | 0.08% | +80.0% | Added |
| OP Asset Management Ltd | 24,497 | $5.03M | 0.06% | 00.0% | Unchanged |
| Trexquant Investment LP | 24,014 | $4.93M | 0.04% | +24,014 | New |
| Jefferies Financial Group Inc. | 23,922 | $4.91M | 0.04% | +20,946+703.8% | Added |
| Capital Investment Services of America, Inc. | 23,634 | $4.85M | 0.46% | 00.0% | Unchanged |
| Lighthouse Investment Partners, LLC | 23,417 | $4.81M | 0.16% | +19,599+513.3% | Added |
| Assetmark, Inc | 23,168 | $4.76M | 0.01% | −45,421−66.2% | Reduced |
| Ethic Inc. | 23,161 | $4.76M | 0.07% | +1,979+9.3% | Added |
| Cumberland Partners Ltd | 23,063 | $4.74M | 0.29% | +23,063 | New |
| Concurrent Investment Advisors, LLC | 22,741 | $4.67M | 0.05% | +22,741 | New |
| 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 |
| Colony Group, LLC | 22,495 | $4.62M | 0.01% | +5,581+33.0% | Added |
| Pacer Advisors, Inc. | 22,491 | $4.62M | 0.01% | −73,570−76.6% | Reduced |
| Roundview Capital LLC | 22,460 | $4.61M | 0.28% | +517+2.4% | Added |
| Elo Mutual Pension Insurance Co | 22,356 | $4.59M | 0.07% | −3,416−13.3% | Reduced |
| UniSuper Management Pty Ltd | 21,953 | $4.51M | 0.03% | −782−3.4% | Reduced |
| Generali Asset Management SPA SGR | 21,903 | $4.50M | 0.09% | +2,276+11.6% | Added |
| Warren Averett Asset Management, LLC | 21,705 | $4.46M | 0.04% | +19,652+957.2% | Added |
| Kepler Cheuvreux (Suisse) SA | 21,695 | $4.45M | 0.25% | −10,926−33.5% | Reduced |
| First National Advisers, LLC | 21,528 | $4.42M | 0.61% | −398−1.8% | Reduced |
| Public Employees Retirement Association of Colorado | 21,353 | $4.38M | 0.02% | 00.0% | Unchanged |
| LGT Fund Management Co Ltd. | 21,164 | $4.38M | 0.35% | +7,186+51.4% | Added |
| Kestra Advisory Services, LLC | 21,124 | $4.34M | 0.02% | +1,946+10.1% | Added |
| Ostrum Asset Management | 20,981 | $4.31M | 0.21% | −2,447−10.4% | Reduced |
| Fulcrum Asset Management LLP | 20,703 | $4.29M | 1.19% | −779−3.6% | Reduced |
| Swiss Life Asset Management Ltd | 20,855 | $4.28M | 0.02% | −1,003−4.6% | Reduced |
| Rafferty Asset Management, LLC | 20,507 | $4.21M | 0.01% | −276−1.3% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 20,430 | $4.19M | 0.01% | −914−4.3% | Reduced |
| Voleon Capital Management LP | 20,417 | $4.19M | 0.09% | −55,444−73.1% | Reduced |
| First National Bank of Omaha | 20,288 | $4.17M | 0.12% | −317−1.5% | Reduced |
| SummitTX Capital, L.P. | 20,229 | $4.15M | 0.13% | +15,756+352.2% | Added |
| Tiaa Trust, National Association | 19,992 | $4.10M | 0.01% | −3,438−14.7% | Reduced |
| Commonwealth Equity Services, LLC | 19,321 | $3.97M | 0.01% | −1,178−5.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 19,139 | $3.93M | 0.02% | +2,755+16.8% | Added |
| Clearbridge Investments, LLC | 19,032 | $3.91M | 0.00% | 00.0% | Unchanged |
| Investment Management Corp of Ontario | 18,952 | $3.89M | 0.05% | +8,112+74.8% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 18,814 | $3.86M | 0.03% | +6,955+58.6% | Added |
| Moors & Cabot, Inc. | 18,482 | $3.79M | 0.16% | +75+0.4% | Added |
| Quest Partners LLC | 18,333 | $3.76M | 0.21% | −2,997−14.1% | Reduced |
| Aquatic Capital Management LLC | 18,227 | $3.74M | 0.11% | −10,129−35.7% | Reduced |
| PFG Advisors | 18,225 | $3.74M | 0.18% | −17,186−48.5% | Reduced |
| Duncker Streett & Co Inc | 18,223 | $3.74M | 0.66% | −10,302−36.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 18,115 | $3.72M | 0.03% | −25,399−58.4% | Reduced |