The Vanguard Group 13D and 13G filings for MKS Instruments, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2024-02-13 5:09 pm Purchase |
2023-12-29 | 13G | MKS Instruments, Inc. MKSI |
The Vanguard Group | 6,892,941 10.310% |
197,494 (+2.95%) |
Filing |
| 2023-06-09 2:15 pm Purchase |
2023-05-31 | 13G | MKS Instruments, Inc. MKSI |
The Vanguard Group | 6,695,447 10.030% |
351,049 (+5.53%) |
Filing |
| 2023-02-09 11:27 am Purchase |
2022-12-30 | 13G | MKS Instruments, Inc. MKSI |
The Vanguard Group | 6,344,398 9.540% |
700,997 (+12.42%) |
Filing |
| 2022-02-10 08:27 am Purchase |
2021-12-31 | 13G | MKS Instruments, Inc. MKSI |
The Vanguard Group | 5,643,401 10.180% |
42,873 (+0.77%) |
Filing |
| 2021-06-10 10:06 am Purchase |
2021-05-28 | 13G | MKS Instruments, Inc. MKSI |
The Vanguard Group | 5,600,528 10.120% |
511,873 (+10.06%) |
Filing |
| 2021-02-10 11:28 am Purchase |
2020-12-31 | 13G | MKS Instruments, Inc. MKSI |
The Vanguard Group | 5,088,655 9.230% |
8,452 (+0.17%) |
Filing |