PRICE T ROWE ASSOCIATES INC 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 |
| 2025-02-14 09:44 am Sale |
2024-12-31 | 13G | MKS Instruments, Inc. MKSI |
PRICE T ROWE ASSOCIATES INC | 3,341,428 5.000% |
-937,206 (-21.90%) |
Filing |
| 2024-11-14 1:22 pm Sale |
2024-09-30 | 13G | MKS Instruments, Inc. MKSI |
PRICE T ROWE ASSOCIATES INC | 4,278,634 6.400% |
-451,760 (-9.55%) |
Filing |
| 2024-09-10 5:08 pm Sale |
2024-08-31 | 13G | MKS Instruments, Inc. MKSI |
PRICE T ROWE ASSOCIATES INC | 4,730,394 7.000% |
-3,355,428 (-41.50%) |
Filing |
| 2024-01-10 1:56 pm Purchase |
2023-12-31 | 13G | MKS Instruments, Inc. MKSI |
PRICE T ROWE ASSOCIATES INC | 8,085,822 12.100% |
6,866,509 (+563.15%) |
Filing |