Marshall Wace, LLP
- SEC CIK
- 0001318757
- Latest filing
- Aug 13, 2026
AME holding history
Ametek Inc in every 13F filed by Marshall Wace, LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AME overviewAll 13F holders of AMEFull Q2 2026 holdings
- Shares (Q2 2026)
- 275,411
- Value
- $66.6M
- % of portfolio
- 0.1%
- Quarters held
- 14
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 275,411 | $66.6M | 0.1% | +102,141+58.9% | Added | Holders |
| Q1 2026 | 173,270 | $37.1M | <0.1% | +27,694+19.0% | Added | Holders |
| Q4 2025 | 145,576 | $29.9M | <0.1% | +37,230+34.4% | Added | Holders |
| Q3 2025 | 108,346 | $20.4M | <0.1% | −217,735−66.8% | Reduced | Holders |
| Q2 2025 | 326,081 | $59.0M | 0.1% | +326,081 | New | Holders |
| Q1 2025 | 0 | $0 | 0.0% | −19,219−100.0% | Sold out | Holders |
| Q4 2024 | 19,219 | $3.46M | <0.1% | +14,419+300.4% | Added | Holders |
| Q3 2024 | 4,800 | $824.2K | <0.1% | −29,159−85.9% | Reduced | Holders |
| Q2 2024 | 33,959 | $5.66M | <0.1% | +32,859+2,987.2% | Added | Holders |
| Q1 2024 | 1,100 | $201.2K | <0.1% | −1,200−52.2% | Reduced | Holders |
| Q4 2023 | 2,300 | $379.2K | <0.1% | +2,300 | New | Holders |
| Q4 2022 | 0 | $0 | 0.0% | −231,292−100.0% | Sold out | Holders |
| Q3 2022 | 231,292 | $26.2M | 0.1% | −395,291−63.1% | Reduced | Holders |
| Q2 2022 | 626,583 | $68.9M | 0.2% | +300,749+92.3% | Added | Holders |
| Q1 2022 | 325,834 | $43.4M | 0.1% | +5,736+1.8% | Added | Holders |
| Q4 2021 | 320,098 | $47.1M | 0.1% | +320,098 | New | Holders |