MKS Instruments shares owned by Wellington Management Company
Quarter-by-quarter ownership of MKS Instruments (MKSI) shares owned by Wellington Management Company
from 13F filings
Historical chart of Wellington Management Company investment in MKS Instruments
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All positions including MKS Instruments held by Wellington Management Company consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in MKS Instruments by Wellington Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2012-12-31 | $24M | 916k | 25.78 |
| 2012-09-30 | $21M | 836k | 25.49 |
| 2012-06-30 | $25M | 860k | 28.93 |
| 2012-03-31 | $27M | 905k | 29.53 |
| 2011-12-31 | $27M | 972k | 27.82 |
| 2011-09-30 | $20M | 899k | 21.71 |
| 2011-06-30 | $22M | 831k | 26.42 |
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