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.
Superinvestors holding AME, Q2 2026
2 superinvestors report holding Ametek Inc on Form 13F, worth $145.9M in total. Weight is Ametek Inc's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| Giverny CapitalFrançois Rochon | 4.9% | 598,781 | $144.9M | Reduced−2.2% |
| ARK InvestCathie Wood | <0.1% | 4,186 | $1.01M | Reduced−17.5% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of AME each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
2 superinvestors holding at quarter end
- Reduced
- Giverny Capital (−2.2%), ARK Invest (−17.5%)
Q1 2026
2 superinvestors holding at quarter end
- Reduced
- Giverny Capital (−37.5%), ARK Invest (−20.9%)
Q4 2025
2 superinvestors holding at quarter end
- Reduced
- Giverny Capital (−1.7%), ARK Invest (−72.1%)
Q3 2025
2 superinvestors holding at quarter end
- Added
- Giverny Capital (0.0%), ARK Invest (+240.5%)
Q2 2025
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+1.9%)
- Reduced
- ARK Invest (−8.8%)
Q1 2025
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+0.3%)
- Reduced
- ARK Invest (−16.2%)
Q4 2024
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+1.6%)
- Reduced
- ARK Invest (−7.4%)
- Sold out
- D1 Capital Partners
Q3 2024
3 superinvestors holding at quarter end
- New
- D1 Capital Partners
- Added
- Giverny Capital (+2.4%)
- Reduced
- ARK Invest (−7.9%)
- Sold out
- Soros Fund Management
Q2 2024
3 superinvestors holding at quarter end
- Added
- Giverny Capital (+0.9%), Soros Fund Management (+13.5%)
- Reduced
- ARK Invest (−20.9%)
- Sold out
- Maverick Capital
Q1 2024
4 superinvestors holding at quarter end
- New
- Maverick Capital
- Added
- Giverny Capital (+1.9%), Soros Fund Management (+21.2%)
- Reduced
- ARK Invest (−10.6%)
Q4 2023
3 superinvestors holding at quarter end
- Added
- Giverny Capital (+1.5%), Soros Fund Management (+53.5%)
- Reduced
- ARK Invest (−20.1%)
Q3 2023
3 superinvestors holding at quarter end
- Added
- Giverny Capital (+0.5%)
- Reduced
- Soros Fund Management (−16.4%), ARK Invest (−9.4%)
Q2 2023
3 superinvestors holding at quarter end
- Added
- Giverny Capital (+6.0%)
- Reduced
- Soros Fund Management (−33.1%), ARK Invest (−2.6%)
Q1 2023
3 superinvestors holding at quarter end
- Reduced
- Giverny Capital (−1.4%), Soros Fund Management (−4.7%), ARK Invest (−15.0%)
Q4 2022
3 superinvestors holding at quarter end
- Added
- Giverny Capital (+0.8%), Soros Fund Management (+8.8%)
- Reduced
- ARK Invest (−13.8%)
Q3 2022
3 superinvestors holding at quarter end
- New
- Soros Fund Management
- Added
- Giverny Capital (+2.3%)
- Reduced
- ARK Invest (−16.1%)
Q2 2022
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+2.7%)
- Reduced
- ARK Invest (−9.1%)
Q1 2022
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+1.6%)
- Reduced
- ARK Invest (−8.4%)
Q4 2021
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+3.5%)
- Reduced
- ARK Invest (−9.4%)
Q3 2021
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+3.4%)
- Reduced
- ARK Invest (−16.2%)
Q2 2021
2 superinvestors holding at quarter end
- Added
- Giverny Capital (+3.2%)
- Reduced
- ARK Invest (−5.3%)