MKS Instruments shares owned by Brian McDonald
Quarter-by-quarter ownership of MKS Instruments (MKSI) shares owned by Brian McDonald
from 13F filings
Historical chart of Brian McDonald investment in MKS Instruments
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Quarterly reported holdings in MKS Instruments by Brian McDonald
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2012-12-31 | $1.4M | 56k | 25.78 |
| 2012-09-30 | $1.2M | 49k | 25.48 |
| 2012-06-30 | $1.4M | 49k | 28.86 |
| 2012-03-31 | $1.5M | 50k | 29.53 |
| 2011-12-31 | $1.4M | 49k | 27.83 |
| 2011-09-30 | $1.1M | 51k | 21.71 |
| 2011-06-30 | $1.4M | 52k | 26.43 |
| 2011-03-31 | $2.0k | 73 | 27.40 |