AMETEK INC AME
COM · Common Stock · CUSIP 031100100 · ISIN US0311001004
US manufacturer of electronic instruments and electromechanical devices
- SectorTechnology
- IndustryIndustrial Instruments For Measurement, Display, and Control
- HeadquartersBerwyn, PA
- Founded1930
- Websiteametek.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($129.2m this quarter). Holder counts are more reliable. Shares outstanding: 231.0m as of 2025-07-25, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $180.89. Options: 11 managers hold calls ($29.3m notional), 9 hold puts ($14.5m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 754 |
| Q4 2022 | 789 |
| Q1 2023 | 778 |
| Q2 2023 | 822 |
| Q3 2023 | 815 |
| Q4 2023 | 859 |
| Q1 2024 | 911 |
| Q2 2024 | 901 |
| Q3 2024 | 916 |
| Q4 2024 | 989 |
| Q1 2025 | 1,002 |
| Q2 2025 | 1,005 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 344 | 370 |
| Q4 2023 | 341 | 397 |
| Q1 2024 | 435 | 371 |
| Q2 2024 | 447 | 381 |
| Q3 2024 | 434 | 403 |
| Q4 2024 | 432 | 409 |
| Q1 2025 | 487 | 409 |
| Q2 2025 | 481 | 439 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $40.0m | $7.6m | 0.19 |
| Q4 2024 | $59.9m | $27.4m | 0.46 |
| Q1 2025 | $69.1m | $33.9m | 0.49 |
| Q2 2025 | $29.3m | $14.5m | 0.49 |
Biggest buyers
| ROYAL BANK OF CANADA | Added | +1.6m |
| BlackRock, Inc. | Added | +1.2m |
| Amundi | Added | +1.1m |
| GOLDMAN SACHS GROUP INC | Added | +1.0m |
| Invesco Ltd. | Added | +775.1k |
| EdgePoint Investment Group Inc. | Added | +573.2k |
| VANGUARD GROUP INC | Added | +513.4k |
| AQR CAPITAL MANAGEMENT LLC | Added | +508.2k |
| PRIMECAP MANAGEMENT CO/CA/ | Added | +428.6k |
| PANAGORA ASSET MANAGEMENT INC | Added | +392.1k |
Biggest sellers
| Capital World Investors | Reduced | -1.2m |
| JPMORGAN CHASE & CO | Reduced | -999.4k |
| FMR LLC | Reduced | -949.3k |
| Compagnie Lombard Odier SCmA | Sold out | -658.3k |
| AMERICAN CENTURY COMPANIES INC | Reduced | -579.2k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | -525.9k |
| Alecta Tjanstepension Omsesidigt | Reduced | -404.3k |
| Bank of New York Mellon Corp | Reduced | -399.1k |
| Boston Partners | Reduced | -380.1k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -372.0k |
Biggest calls
| JANE STREET GROUP, LLC | Added | $10.9m60.1k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $9.7m53.5k shares |
| BANK OF AMERICA CORP /DE/ | Added | $3.4m19.0k shares |
| CITADEL ADVISORS LLC | Reduced | $2.5m13.9k shares |
| UBS Group AG | Reduced | $904.8k5.0k shares |
| GROUP ONE TRADING LLC | Added | $561.0k3.1k shares |
| Walleye Trading LLC | Reduced | $452.4k2.5k shares |
| TUDOR INVESTMENT CORP ET AL | New | $434.3k2.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $416.0k2.3k shares |
| Walleye Capital LLC | New | $36.2k200 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $4.3m23.9k shares |
| CITADEL ADVISORS LLC | Added | $3.9m21.6k shares |
| BANK OF AMERICA CORP /DE/ | Reduced | $2.7m14.7k shares |
| Volterra Technologies LP | First filing | $1.5m8.4k shares |
| UBS Group AG | Added | $977.2k5.4k shares |
| JANE STREET GROUP, LLC | Unchanged | $868.6k4.8k shares |
| Walleye Trading LLC | Reduced | $108.6k600 shares |
| Walleye Capital LLC | New | $108.6k600 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 2 | $5.9m | — |
| Q4 2023 | 0 | — | 2 | $12.4m | — |
| Q1 2024 | 0 | — | 7 | $17.0m | — |
| Q2 2024 | 0 | — | 1 | $500.7k | — |
| Q3 2024 | 0 | — | 1 | $250.5k | — |
| Q4 2024 | 0 | — | 5 | $33.4m | — |
| Q1 2025 | 0 | — | 2 | $375.4k | — |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.08% of their portfolio | 27.0m $4.9bn | Added +513.4k |
| BlackRock, Inc. 0.07% of their portfolio | 19.8m $3.6bn | Added +1.2m |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.22% of their portfolio | 10.6m $1.9bn | Reduced -371.6k |
| STATE STREET CORP 0.07% of their portfolio | 9.6m $1.7bn | Added +126.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.07% of their portfolio | 5.8m $1.0bn | Added +104.1k |
| JPMORGAN CHASE & CO 0.06% of their portfolio | 4.7m $859.2m | Reduced -999.4k |
| FMR LLC 0.05% of their portfolio | 4.5m $813.0m | Reduced -949.3k |
| Invesco Ltd. 0.13% of their portfolio | 4.3m $769.9m | Added +775.1k |
| FLOSSBACH VON STORCH SE 2.80% of their portfolio | 3.8m $685.1m | Added +15.6k |
| MORGAN STANLEY 0.04% of their portfolio | 3.8m $681.4m | Reduced -104.8k |
| Bank of New York Mellon Corp 0.13% of their portfolio | 3.7m $662.9m | Reduced -399.1k |
| NORGES BANK 0.08% of their portfolio | 3.6m $650.6m | Reduced -59.1k |
| GOLDMAN SACHS GROUP INC 0.09% of their portfolio | 3.2m $576.0m | Added +1.0m |
| ROYAL BANK OF CANADA 0.05% of their portfolio | 3.1m $564.7m | Added +1.6m |
| EdgePoint Investment Group Inc. 4.01% of their portfolio | 2.9m $529.6m | Added +573.2k |
| Capital World Investors 0.07% of their portfolio | 2.8m $513.2m | Reduced -1.2m |
| NORTHERN TRUST CORP 0.06% of their portfolio | 2.4m $439.0m | Reduced -45.7k |
| Alecta Tjanstepension Omsesidigt 1.89% of their portfolio | 2.2m $402.3m | Reduced -404.3k |
| DIMENSIONAL FUND ADVISORS LP 0.09% of their portfolio | 2.1m $389.0m | Added +2.5k |
| LAZARD ASSET MANAGEMENT LLC 0.49% of their portfolio | 2.0m $353.0m | Added +287.3k |
| PRINCIPAL FINANCIAL GROUP INC 0.19% of their portfolio | 1.9m $352.6m | Added +123.1k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.10% of their portfolio | 1.7m $314.7m | Reduced -525.9k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.06% of their portfolio | 1.7m $311.2m | Added +232.7k |
| BANK OF AMERICA CORP /DE/ 0.02% of their portfolio | 1.6m $282.2m | Reduced -11.8k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.66% of their portfolio | 1.5m $275.0m | Reduced -270.0k |
| Boston Partners 0.31% of their portfolio | 1.5m $274.8m | Reduced -380.1k |
| Amundi 0.10% of their portfolio | 1.5m $275.3m | Added +1.1m |
| FRANKLIN RESOURCES INC 0.07% of their portfolio | 1.4m $258.0m | Reduced -51.1k |
| Bank Julius Baer & Co. Ltd, Zurich 0.74% of their portfolio | 1.4m $248.6m | Reduced -53.0k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.04% of their portfolio | 1.4m $246.9m | Added +10.6k |
| Legal & General Group Plc 0.06% of their portfolio | 1.4m $245.6m | Reduced -34.5k |
| DEUTSCHE BANK AG\ 0.09% of their portfolio | 1.3m $231.8m | Reduced -66.7k |
| Qube Research & Technologies Ltd 0.31% of their portfolio | 1.2m $221.7m | Added +163.9k |
| AMERIPRISE FINANCIAL INC 0.05% of their portfolio | 1.2m $209.5m | Reduced -165.4k |
| Champlain Investment Partners, LLC 1.45% of their portfolio | 1.1m $207.1m | Reduced -44.0k |
| UBS Group AG 0.04% of their portfolio | 1.1m $190.2m | Reduced -276.6k |
| Giverny Capital Inc. 6.18% of their portfolio | 996.3k $180.3m | Added +18.9k |
| GABELLI FUNDS LLC 1.25% of their portfolio | 969.2k $175.4m | Reduced -13.7k |
| WELLINGTON MANAGEMENT GROUP LLP 0.03% of their portfolio | 896.4k $162.2m | Reduced -28.8k |
| DekaBank Deutsche Girozentrale 0.27% of their portfolio | 852.1k $154.1m | Reduced -5.8k |
| NEUBERGER BERMAN GROUP LLC 0.12% of their portfolio | 827.7k $149.8m | Added +17.6k |
| Navera Investment Management Ltd. 2.66% of their portfolio | 808.9k $146.4m | Added +24.6k |
| Maren Capital LLC 8.77% of their portfolio | 804.5k $145.6m | Added +44.1k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.52% of their portfolio | 779.1k $141.0m | Reduced -128.1k |
| PRIMECAP MANAGEMENT CO/CA/ 0.11% of their portfolio | 778.8k $140.9m | Added +428.6k |
| Swiss National Bank 0.08% of their portfolio | 698.4k $126.4m | Added +46.0k |
| HSBC HOLDINGS PLC 0.08% of their portfolio | 698.0k $126.2m | Added +91.2k |
| BLAIR WILLIAM & CO/IL 0.35% of their portfolio | 689.9k $124.8m | Reduced -15.3k |
| Balyasny Asset Management L.P. 0.28% of their portfolio | 683.2k $123.6m | Reduced -57.3k |
| BARCLAYS PLC 0.05% of their portfolio | 663.3k $120.0m | Added +24.5k |
| James Hambro & Partners LLP 4.75% of their portfolio | 663.2k $120.0m | Added +17.7k |
| AQR CAPITAL MANAGEMENT LLC 0.10% of their portfolio | 656.1k $118.3m | Added +508.2k |
| GAMCO INVESTORS, INC. ET AL 1.14% of their portfolio | 635.3k $115.0m | Reduced -2.9k |
| SNYDER CAPITAL MANAGEMENT L P 2.41% of their portfolio | 626.1k $113.3m | Reduced -25.1k |
| JARISLOWSKY, FRASER Ltd 0.65% of their portfolio | 624.4k $113.0m | Added +1.1k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.74% of their portfolio | 608.1k $110.0m | Reduced -16.2k |
| CITADEL ADVISORS LLC 0.09% of their portfolio | 602.5k $109.0m | Added +323.3k |
| BESSEMER GROUP INC 0.17% of their portfolio | 580.0k $105.0m | Added +7.9k |
| D. E. Shaw & Co., Inc. 0.10% of their portfolio | 579.9k $104.9m | Added +345.2k |
| Harding Loevner LP 0.70% of their portfolio | 577.9k $104.6m | Added +10.5k |
| HM PAYSON & CO 1.62% of their portfolio | 564.4k $102.1m | Added +27.0k |
| Ensign Peak Advisors, Inc 0.17% of their portfolio | 561.2k $101.6m | Reduced -12.4k |
| BNP PARIBAS FINANCIAL MARKETS 0.08% of their portfolio | 548.8k $99.3m | Reduced -10.9k |
| PANAGORA ASSET MANAGEMENT INC 0.45% of their portfolio | 547.6k $99.1m | Added +392.1k |
| Sumitomo Mitsui Trust Group, Inc. 0.06% of their portfolio | 524.9k $95.0m | Added +5.1k |
| Nuveen, LLC 0.03% of their portfolio | 518.1k $93.8m | Reduced -28.2k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.08% of their portfolio | 511.2k $92.5m | Added +375.6k |
| TWO SIGMA INVESTMENTS, LP 0.17% of their portfolio | 508.2k $92.0m | Added +174.4k |
| AMERICAN CENTURY COMPANIES INC 0.05% of their portfolio | 479.2k $86.7m | Reduced -579.2k |
| Port Capital LLC 3.66% of their portfolio | 476.3k $86.2m | Added +6.0k |
| ROYAL LONDON ASSET MANAGEMENT LTD 0.19% of their portfolio | 462.4k $83.7m | Added +11.3k |
| RHUMBLINE ADVISERS 0.07% of their portfolio | 461.2k $83.5m | Added +3.9k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.06% of their portfolio | 440.4k $79.7m | Added +27.6k |
| NATIXIS ADVISORS, LLC 0.12% of their portfolio | 434.0k $78.5m | Added +66.2k |
| California Public Employees Retirement System 0.05% of their portfolio | 432.5k $78.3m | Reduced -19.1k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.05% of their portfolio | 422.6k $76.5m | Added +204.0k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.19% of their portfolio | 418.3k $75.7m | Added +298.5k |
| MILLENNIUM MANAGEMENT LLC 0.07% of their portfolio | 404.0k $73.1m | Reduced -19.4k |
| M.D. Sass, LLC 5.84% of their portfolio | 400.9k $72.5m | Added +33.9k |
| Dixon Mitchell Investment Counsel Inc. 2.80% of their portfolio | 398.6k $72.1m | Added +11.3k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.30% of their portfolio | 395.4k $71.6m | Reduced -11.5k |
| Capital International Investors 0.01% of their portfolio | 395.0k $71.4m | Reduced -243.7k |
| Glenmede Investment Management, LP 0.35% of their portfolio | 385.0k $69.7m | First filing |
| TWO SIGMA ADVISERS, LP 0.14% of their portfolio | 379.5k $68.7m | Added +16.1k |
| Schonfeld Strategic Advisors LLC 0.51% of their portfolio | 373.7k $67.6m | Added +324.8k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 367.0k $66.4m | Reduced -73.4k |
| RAYMOND JAMES FINANCIAL INC 0.02% of their portfolio | 364.5k $66.0m | Reduced -4.7k |
| Fenimore Asset Management Inc 1.31% of their portfolio | 362.4k $65.6m | Added +85.1k |
| MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC 4.67% of their portfolio | 355.7k $64.4m | Reduced -8.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.07% of their portfolio | 348.4k $63.1m | Reduced -39.2k |
| CANADA LIFE ASSURANCE Co 0.10% of their portfolio | 339.9k $61.6m | Added +73.3k |
| MARSHALL WACE, LLP 0.07% of their portfolio | 326.1k $59.0m | New |
| DAVIS R M INC 1.08% of their portfolio | 320.9k $58.1m | Reduced -5.7k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.05% of their portfolio | 317.6k $57.5m | Added +42.5k |
| JANUS HENDERSON GROUP PLC 0.03% of their portfolio | 309.9k $56.1m | Added +38.6k |
| National Pension Service 0.05% of their portfolio | 306.3k $55.4m | Added +2.6k |
| KBC Group NV 0.14% of their portfolio | 289.6k $52.4m | Added +9.1k |
| Curi Capital, LLC 0.98% of their portfolio | 286.5k $51.8m | Added +37.9k |
| JENNISON ASSOCIATES LLC 0.03% of their portfolio | 284.9k $51.6m | Reduced -33.9k |
| ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio | 282.6k $51.1m | Added +7.1k |