MKS Instruments Inc

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MKS Instruments Inc
TickerMKSI
CIK #0001049502
CUSIP55306N104
SectorLife Sciences - Industrial Instruments For Measurement, Display, And Control
Address2 Tech Drive Suite 201, Andover, MA 01810
Source [EDGAR]
CIK Filing 2011 - 2025
[0001049502] 10-K
[0001049502] 10-Q
[0001049502] 3
[0001049502] 4
[0001049502] 5
[0001049502] 8-K
[0001049502] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Victory Capital Management Inc MKS Inc [2025-08-08] 0.0
FMR LLC MKS Instruments Inc [2024-02-09] 0.0
Price T Rowe Associates Inc /MD/ MKS Instruments Inc [2024-01-10] 12.1
Victory Capital Management Inc MKS Instruments Inc [2023-02-02] 5.77
Carlyle Group Inc MKS Instruments Inc [2022-08-29] 12.8
Capital International Investors MKS Instruments Inc [2020-02-14] 7.9
Wellington Management Group LLP MKS Instruments Inc [2020-01-30] 7.03
Wellington Management Group LLP MKS Instruments Inc [2017-02-09] 0.97
Vanguard Group Inc MKS Instruments Inc [2012-02-10] 5.24
Form 3/4/5 Filer 2011 - 2025
MKS Inc
Schreiner James Alan
Williams John Edward
Moloney Jacqueline F
Henry David Philip
Mora Elizabeth
Colella Gerald G
Jabre Wissam G
Donahue Joseph B
Cannone Peter III
Batra Raj
McCarthy Michelle M
Mayampurath Ramakumar
Burke Kathleen Flaherty
Lee John Tseng-Chung
Taranto Eric Robert
Warner Michelle M
Bagshaw Seth H
Gitin Mark Milton
Carlyle Group Inc.
TC Group Cayman Investment Holdings, L.P.
Carlyle Holdings II L.L.C.
CG Subsidiary Holdings L.L.C.
Carlyle Holdings II GP L.L.C.
TC Group Cayman Investment Holdings Sub L.P.
TC Group VI Cayman, L.L.C.
TC Group VI Cayman, L.P.
CEP IV Managing GP Holdings, Ltd.
CAP IV General Partner, L.P.
Carlyle Asia Partners IV, L.P.
Gamma Holding Co Ltd
CEP IV Managing GP, L.P.
Carlyle Partners VI Cayman Holdings, L.P.
Cap IV LLC
CEP IV Participations, S.a r.l. SICAR
Wild Geoffrey
Henry Janice K
Beecher Gregory R
Hess Rick D
Chute Richard S
Bertucci John R
Abrams John R
Hanley Peter
Quirk Brian Charles
Werth Dennis L
Phillippy Robert J
Anderson Robert R
Amon Cristina
Eyerman Paul
Loomis Paul
Berlinghieri Leo
Smith John Alexander
Stewart William D
Valente Louis P
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 7,331,213
BlackRock, Inc. [2025-06-30] SOLE 7,073,025 7,316,563
FMR LLC [2025-06-30] DFND 3,783,836 3,829,376
Victory Capital Management Inc [2025-06-30] SOLE 3,516,732 3,677,496
Capital International Investors [2025-06-30] DFND 3,252,586 3,252,586
Wellington Management Group LLP [2025-06-30] DFND 0 2,999,454
State Street Corp [2025-06-30] DFND 1,857,174 2,057,685
UBS Group AG [2025-06-30] DFND 2,040,631 2,048,293
Invesco Ltd. [2025-06-30] DFND 0 1,936,544
Neuberger Berman Group LLC [2025-06-30] DFND 1,729,813 1,872,964
Madison Asset Management LLC [2025-06-30] SOLE 1,403,220 1,463,683
Nordea Investment Management AB [2025-06-30] DFND 0 1,461,990
Geode Capital Management LLC [2025-06-30] DFND 1,245,936 1,258,108
Cooke & Bieler LP [2025-06-30] SOLE 1,012,214 1,227,185
Channing Capital Management LLC [2025-06-30] SOLE 540,441 991,298
Bank of America Corp /DE/ [2025-06-30] DFND 68,466 982,643
JPMorgan Chase & Co [2025-06-30] DFND 811,340 936,913
Royce & Associates LP [2025-06-30] SOLE 915,111 915,111
Frontier Capital Management Co LLC [2025-06-30] SOLE 492,123 912,380
Rafferty Asset Management LLC [2025-06-30] SOLE 878,114 878,114
Norges Bank [2025-06-30] SOLE 859,406 859,406
Principal Financial Group Inc [2025-06-30] DFND 852,636 852,636
Dimensional Fund Advisors LP [2025-06-30] SOLE 769,607 834,421
Charles Schwab Investment Management Inc [2025-06-30] SOLE 790,653 790,656
Royal Bank of Canada [2025-06-30] DFND 448,991 772,221
Balyasny Asset Management LP [2025-06-30] SOLE 732,682 732,682
Bank of New York Mellon Corp [2025-06-30] DFND 566,749 602,062
Morgan Stanley [2025-06-30] DFND 549,702 596,425
Northern Trust Corp [2025-06-30] DFND 565,719 569,096
Jane Street Group LLC [2025-06-30] DFND 17,767 549,167
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