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, Q2 2026
Institutional positions in Ametek Inc as of Jun 30, 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
- 1,201
- +55 vs. Q1 2026
- Shares held
- 205.6M
- +5.18M (+2.6%) vs. Q1 2026
- Total value
- $49.7B
- +$6.77B (+15.8%) vs. Q1 2026
- New holders
- 127
- 489 more added
- Sold out
- 72
- 403 more reduced
13 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Ametek Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rathbone Brothers plc | 10,576 | $2.56M | 0.01% | −575−5.2% | Reduced |
| We Are One Seven, LLC | 10,685 | $2.59M | 0.04% | +237+2.3% | Added |
| Plato Investment Management Ltd | 10,751 | $2.59M | 0.15% | 00.0% | Unchanged |
| Ascent Group, LLC | 10,702 | $2.59M | 0.08% | −187−1.7% | Reduced |
| Robocap Asset Management Ltd | 10,720 | $2.59M | 2.09% | −4,680−30.4% | Reduced |
| Buckhead Capital Management LLC | 10,810 | $2.62M | 0.90% | −162−1.5% | Reduced |
| Portfolio Design Labs, LLC | 10,915 | $2.64M | 0.43% | +51+0.5% | Added |
| Caxton Associates LLP | 11,182 | $2.71M | 0.05% | −5,440−32.7% | Reduced |
| Oak Thistle LLC | 11,197 | $2.71M | 0.26% | +3,175+39.6% | Added |
| Apollon Wealth Management, LLC | 11,255 | $2.72M | 0.03% | −2,043−15.4% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 11,354 | $2.75M | 0.10% | +1,061+10.3% | Added |
| Cypress Advisory Group LLC | 11,405 | $2.76M | 2.14% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 11,411 | $2.76M | 0.03% | −628−5.2% | Reduced |
| New Mexico Educational Retirement Board | 11,450 | $2.77M | 0.07% | +900+8.5% | Added |
| Laird Norton Trust Company, LLC | 11,614 | $2.81M | 0.05% | +13+0.1% | Added |
| Louisiana State Employees Retirement System | 11,700 | $2.83M | 0.04% | 00.0% | Unchanged |
| Axq Capital, LP | 11,816 | $2.86M | 0.31% | +8,905+305.9% | Added |
| Close Asset Management Ltd | 11,880 | $2.87M | 0.08% | +298+2.6% | Added |
| Brown Brothers Harriman & Co | 12,006 | $2.90M | 0.01% | +1,682+16.3% | Added |
| Groupama Asset Managment | 12,234 | $2.92M | 0.04% | 00.0% | Unchanged |
| Addison Capital Co | 12,166 | $2.94M | 0.48% | −11−0.1% | Reduced |
| Cove Private Wealth, LLC | 12,190 | $2.95M | 0.57% | −60−0.5% | Reduced |
| Maryland State Retirement & Pension System | 12,396 | $3.00M | 0.05% | +909+7.9% | Added |
| Ferguson Wellman Capital Management, Inc | 12,482 | $3.02M | 0.04% | +50.0% | Added |
| Promethos Capital, LLC | 12,520 | $3.03M | 0.83% | −12,872−50.7% | Reduced |
| Sandler Capital Management | 12,553 | $3.04M | 1.79% | +2,295+22.4% | Added |
| Hartford Investment Management Co | 12,697 | $3.07M | 0.09% | −472−3.6% | Reduced |
| Intech Investment Management LLC | 12,716 | $3.08M | 0.03% | −926−6.8% | Reduced |
| GAM Holding AG | 12,941 | $3.13M | 0.24% | +1,785+16.0% | Added |
| Old West Investment Management, LLC | 12,970 | $3.14M | 0.33% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 13,416 | $3.25M | 0.07% | +30.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 13,437 | $3.25M | 0.01% | +550+4.3% | Added |
| Mirabella Financial Services LLP | 13,528 | $3.27M | 0.32% | −3,389−20.0% | Reduced |
| CWM Advisors, LLC | 13,788 | $3.34M | 0.14% | +1,705+14.1% | Added |
| Medallion Wealth Advisors, LLC | 13,875 | $3.36M | 1.11% | −14−0.1% | Reduced |
| Norinchukin Bank, The | 13,905 | $3.36M | 0.03% | +97+0.7% | Added |
| Freedom Day Solutions, LLC | 14,022 | $3.39M | 0.75% | −173−1.2% | Reduced |
| Summit Trail Advisors, LLC | 14,428 | $3.49M | 0.04% | −227−1.5% | Reduced |
| Kentucky Retirement Systems | 14,544 | $3.52M | 0.09% | −5,663−28.0% | Reduced |
| Advisors Asset Management, Inc. | 14,669 | $3.55M | 0.05% | +292+2.0% | Added |
| Sit Investment Associates Inc | 14,675 | $3.55M | 0.07% | 00.0% | Unchanged |
| TIAA Wealth Investment Management LLC | 14,711 | $3.56M | 0.02% | −499−3.3% | Reduced |
| Bleakley Financial Group, LLC | 14,803 | $3.58M | 0.05% | +1,097+8.0% | Added |
| Northwestern Mutual Wealth Management Co | 14,870 | $3.60M | 0.00% | +1,490+11.1% | Added |
| Perigon Wealth Management, LLC | 14,875 | $3.60M | 0.06% | +31+0.2% | Added |
| Wolverine Asset Management LLC | 15,000 | $3.63M | 0.05% | +15,000 | New |
| Atria Investments LLC | 15,060 | $3.64M | 0.04% | +90+0.6% | Added |
| Intrust Bank NA | 15,187 | $3.67M | 0.27% | −415−2.7% | Reduced |
| Guggenheim Capital LLC | 15,187 | $3.67M | 0.02% | +6,893+83.1% | Added |
| IMC-Chicago, LLC | 15,197 | $3.68M | 0.03% | +12,591+483.2% | Added |
| Oppenheimer & Co Inc | 15,394 | $3.72M | 0.04% | −234−1.5% | Reduced |
| Alps Advisors Inc | 16,158 | $3.91M | 0.02% | +3,452+27.2% | Added |
| Duncker Streett & Co Inc | 16,217 | $3.92M | 0.66% | −1,606−9.0% | Reduced |
| Candriam Luxembourg S.C.A. | 16,244 | $3.93M | 0.02% | −2,178−11.8% | Reduced |
| Commonwealth Equity Services, LLC | 16,597 | $4.02M | 0.01% | −1,398−7.8% | Reduced |
| Neville Rodie & Shaw Inc | 16,610 | $4.02M | 0.26% | −175−1.0% | Reduced |
| Marvin & Palmer Associates Inc | 16,669 | $4.03M | 2.54% | −248−1.5% | Reduced |
| Abn Amro Investment Solutions | 16,788 | $4.06M | 0.04% | +5,175+44.6% | Added |
| Brinker Capital Investments, LLC | 16,877 | $4.08M | 0.03% | +816+5.1% | Added |
| Fideuram Asset Management (Ireland) dac | 17,078 | $4.10M | 0.08% | +16,792+5,871.3% | Added |
| Omers Administration Corp | 16,973 | $4.11M | 0.02% | −1,625−8.7% | Reduced |
| Harvest Portfolios Group Inc. | 17,141 | $4.15M | 0.06% | +2,296+15.5% | Added |
| Steward Partners Investment Advisory, LLC | 17,238 | $4.17M | 0.02% | −646−3.6% | Reduced |
| Machina Capital S.A.S. | 17,321 | $4.19M | 0.66% | +409+2.4% | Added |
| First National Advisers, LLC | 17,351 | $4.20M | 0.59% | −1,194−6.4% | Reduced |
| Gulf International Bank (UK) Ltd | 17,488 | $4.23M | 0.08% | −317−1.8% | Reduced |
| Bright Rock Capital Management, LLC | 17,500 | $4.23M | 0.85% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 17,592 | $4.26M | 0.01% | +238+1.4% | Added |
| Vident Advisory, LLC | 17,613 | $4.26M | 0.03% | +5,048+40.2% | Added |
| SRS Capital Advisors, Inc. | 17,667 | $4.27M | 0.03% | +14,977+556.8% | Added |
| Mizuho Securities USA LLC | 17,944 | $4.34M | 0.07% | +4,027+28.9% | Added |
| Core Wealth Partners LLC | 18,000 | $4.35M | 1.86% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 18,063 | $4.37M | 0.17% | +46+0.3% | Added |
| Teachers Retirement System of the State of Kentucky | 18,115 | $4.38M | 0.03% | 00.0% | Unchanged |
| First National Bank of Omaha | 18,224 | $4.41M | 0.12% | −1,818−9.1% | Reduced |
| Seascape Capital Management | 18,248 | $4.42M | 1.06% | +402+2.3% | Added |
| Columbus Macro, LLC | 18,306 | $4.43M | 0.43% | +18,306 | New |
| Clearbridge Investments, LLC | 18,408 | $4.45M | 0.00% | −10−0.1% | Reduced |
| PFG Advisors | 18,615 | $4.50M | 0.23% | +234+1.3% | Added |
| Pacer Advisors, Inc. | 18,722 | $4.53M | 0.01% | −892−4.5% | Reduced |
| Argent Capital Management LLC | 18,931 | $4.58M | 0.14% | −14,597−43.5% | Reduced |
| Sterling Capital Management LLC | 19,075 | $4.62M | 0.08% | −837−4.2% | Reduced |
| Fulcrum Asset Management LLP | 19,728 | $4.69M | 0.47% | −1,757−8.2% | Reduced |
| Graham Capital Management, L.P. | 19,629 | $4.75M | 0.13% | −3,648−15.7% | Reduced |
| MAI Capital Management | 19,749 | $4.78M | 0.02% | +1,302+7.1% | Added |
| Jane Street Group, LLC | 20,217 | $4.89M | 0.00% | −139,017−87.3% | Reduced |
| Rockefeller Capital Management L.P. | 20,373 | $4.93M | 0.01% | +4,931+31.9% | Added |
| Nomura Holdings Inc | 20,424 | $4.94M | 0.02% | +12,563+159.8% | Added |
| Warren Averett Asset Management, LLC | 21,098 | $5.10M | 0.03% | −1,094−4.9% | Reduced |
| Candelo Capital Management LP | 21,196 | $5.13M | 3.77% | +21,196 | New |
| Kestra Advisory Services, LLC | 21,379 | $5.17M | 0.02% | +90.0% | Added |
| T. Rowe Price Investment Management, Inc. | 21,583 | $5.22M | 0.00% | −44,872−67.5% | Reduced |
| Silvant Capital Management LLC | 21,847 | $5.29M | 0.15% | +21,847 | New |
| M&T Bank Corp | 21,861 | $5.29M | 0.02% | −1,258−5.4% | Reduced |
| Rafferty Asset Management, LLC | 22,168 | $5.36M | 0.01% | +7,181+47.9% | Added |
| Carnegie Capital Asset Management, LLC | 22,319 | $5.40M | 0.11% | −610−2.7% | Reduced |
| Verition Fund Management LLC | 22,371 | $5.41M | 0.04% | −23,426−51.2% | Reduced |
| Convergence Financial, LLC | 22,589 | $5.47M | 0.43% | +10,642+89.1% | Added |
| Atom Investors LP | 22,891 | $5.54M | 0.49% | +8,802+62.5% | Added |
| Allstate Corp | 23,204 | $5.61M | 0.06% | +407+1.8% | Added |