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Jan 10, 2024 01:57PM Form SC 13G MKS INSTRUMENTS INC Filed by: PRICE T ROWE ASSOCIATES INC /MD/
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Feb 2, 2023 11:58AM Form SC 13G MKS INSTRUMENTS INC Filed by: VICTORY CAPITAL MANAGEMENT INC
Aug 29, 2022 05:35PM
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Jun 10, 2021 10:07AM Form SC 13G/A MKS INSTRUMENTS INC Filed by: VANGUARD GROUP INC
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Feb 5, 2020 12:23PM Form SC 13G/A MKS INSTRUMENTS INC Filed by: BlackRock Inc.
Jan 30, 2020 10:24AM
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Feb 8, 2018 11:41AM Form SC 13G/A MKS INSTRUMENTS INC Filed by: WELLINGTON MANAGEMENT GROUP LLP
Jan 23, 2018 02:23PM
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Feb 1, 2017 01:01PM Form SC 13G/A MKS INSTRUMENTS INC Filed by: ROYCE & ASSOCIATES LP
Jan 12, 2017 05:16PM
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Feb 11, 2015 10:08AM Form SC 13G/A MKS INSTRUMENTS INC Filed by: VANGUARD GROUP INC
Feb 5, 2015 09:31AM

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