WELLINGTON MANAGEMENT CO LLP 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 |
| 2023-02-06 2:53 pm Sale |
2022-12-30 | 13G | MKS Instruments, Inc. MKSI |
WELLINGTON MANAGEMENT CO LLP | 1,898,238 2.850% |
-2,502,790 (-56.87%) |
Filing |
| 2022-02-04 09:21 am Sale |
2021-12-31 | 13G | MKS Instruments, Inc. MKSI |
WELLINGTON MANAGEMENT CO LLP | 4,401,028 7.940% |
-655,756 (-12.97%) |
Filing |
| 2021-02-04 09:51 am Purchase |
2020-12-31 | 13G | MKS Instruments, Inc. MKSI |
WELLINGTON MANAGEMENT CO LLP | 5,056,784 9.170% |
1,224,464 (+31.95%) |
Filing |