MKSI

MKS Inc. MKSI

Individual Beneficiary

Name of reporting person Citizenship or organization Sole voting power Shared voting power Sole dispositive power Shared dispositive power Amount beneficially owned Percent of class Accepted date
T. ROWE PRICE ASSOCIATES, INC. Maryland 4228223 0 4278634 0 4278634 6.4 % 14/11/2024
BlackRock, Inc. Delaware 7091928 0 6874519 0 6874519 10.2 % 07/11/2024
T. ROWE PRICE ASSOCIATES, INC. Maryland 4646667 0 4730394 0 4730394 7 % 10/09/2024
The Vanguard Group Pennsylvania 0 20184 6802390 90551 6892941 10.31 % 13/02/2024
Carlyle Holdings II L.L.C. Delaware 0 0 0 0 0 0 % 12/02/2024
Carlyle Holdings II GP L.L.C. Delaware 0 0 0 0 0 0 % 12/02/2024
The Carlyle Group Inc. Delaware 0 0 0 0 0 0 % 12/02/2024
CEP IV Participations, S.à r.l. SICAR Luxembourg 0 0 0 0 0 0 % 12/02/2024
Carlyle Europe Partners IV, L.P. England and Wales 0 0 0 0 0 0 % 12/02/2024
CEP IV Managing GP, L.P. Scotland 0 0 0 0 0 0 % 12/02/2024
CEP IV Managing GP Holdings, Ltd. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
Carlyle Partners VI Cayman Holdings, L.P. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
TC Group VI Cayman, L.P. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
TC Group VI Cayman, L.L.C. Delaware 0 0 0 0 0 0 % 12/02/2024
TC Group Cayman Investment Holdings Sub L.P. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
TC Group Cayman Investment Holdings, L.P. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
CG Subsidiary Holdings L.L.C. Delaware 0 0 0 0 0 0 % 12/02/2024
Gamma Holding Company Limited Cayman Islands 0 0 0 0 0 0 % 12/02/2024
Carlyle Asia Partners IV, L.P. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
CAP IV General Partner, L.P. Cayman Islands 0 0 0 0 0 0 % 12/02/2024
CAP IV, L.L.C. Delaware 0 0 0 0 0 0 % 12/02/2024
Capital International Investors Delaware 3669257 0 3669257 0 3669257 5.5 % 09/02/2024
FMR LLC Delaware 4049577 0 4051183 0 4051183 6.057 % 09/02/2024
Abigail P. Johnson United States of America 0 0 4051183 0 4051183 6.057 % 09/02/2024
Victory Capital Management Inc. New York 4409420 0 4490779 0 4490779 6.71 % 07/02/2024
Victory Capital Management Inc. New York 4409420 0 4490779 0 4490779 6.71 % 07/02/2024
BlackRock, Inc. Delaware 6018871 0 6178625 0 6178625 9.2 % 24/01/2024
T. ROWE PRICE ASSOCIATES, INC. Maryland 2793543 0 8085822 0 8085822 12.1 % 10/01/2024
T. ROWE PRICE ASSOCIATES, INC. Maryland 2793543 0 8085822 0 8085822 12.1 % 10/01/2024
The Vanguard Group Pennsylvania For 0 27295 6605617 89830 6695447 10.03 % 09/06/2023
The Vanguard Group Pennsylvania For 0 27295 6605617 89830 6695447 10.03 % 09/06/2023
Capital International Investors Delaware 6828763 0 6828763 0 6828763 10.3 % 10/02/2023
Capital International Investors Delaware 6828763 0 6828763 0 6828763 10.3 % 10/02/2023
Capital International Investors Delaware 6584735 0 6585222 0 6585222 9.9 % 10/02/2023
Capital International Investors Delaware 6584735 0 6585222 0 6585222 9.9 % 10/02/2023
The Vanguard Group Pennsylvania For 0 32889 6253367 91031 6344398 9.54 % 09/02/2023
BlackRock, Inc. Delaware 5337646 0 5490257 0 5490257 8.3 % 07/02/2023
Wellington Investment Advisors Holdings LLP Delaware 0 1713115 0 1898238 1898238 2.85 % 06/02/2023
Wellington Group Holdings LLP Delaware 0 1713115 0 1898238 1898238 2.85 % 06/02/2023
Wellington Management Group LLP Massachusetts 0 1713115 0 1898238 1898238 2.85 % 06/02/2023
Victory Capital Management Inc. New York 0 3840757 0 3840757 5.77 % 02/02/2023
Victory Capital Management Inc. New York 0 3840757 0 3840757 5.77 % 02/02/2023
Carlyle Partners VI Cayman Holdings, L.P. Cayman Islands 0 5180030 0 5180030 5180030 7.8 % 29/08/2022
TC Group VI Cayman, L.P. Cayman Islands 0 5180030 0 5180030 5180030 7.8 % 29/08/2022
TC Group VI Cayman, L.L.C. Delaware 0 5180030 0 5180030 5180030 7.8 % 29/08/2022
TC Group Cayman Investment Holdings Sub L.P. Cayman Islands 0 8482732 0 8482732 8482732 12.8 % 29/08/2022
TC Group Cayman Investment Holdings, L.P. Cayman Islands 0 8482732 0 8482732 8482732 12.8 % 29/08/2022
CG Subsidiary Holdings L.L.C. Delaware 0 8482732 0 8482732 8482732 12.8 % 29/08/2022
Carlyle Holdings II L.L.C. Delaware 0 8482732 0 8482732 8482732 12.8 % 29/08/2022
The Carlyle Group Inc. Delaware 0 8482732 0 8482732 8482732 12.8 % 29/08/2022
Carlyle Holdings II GP L.L.C. Delaware 0 8482732 0 8482732 8482732 12.8 % 29/08/2022
Gamma Holding Company Limited Cayman Islands 0 1042959 0 1042959 1042959 1.6 % 29/08/2022
Carlyle Asia Partners IV, L.P. Cayman Islands 0 1042959 0 1042959 1042959 1.6 % 29/08/2022
CAP IV General Partner, L.P. Cayman Islands 0 1042959 0 1042959 1042959 1.6 % 29/08/2022
CAP IV, L.L.C. Delaware 0 1042959 0 1042959 1042959 1.6 % 29/08/2022
CEP IV Participations, S.à r.l. SICAR Luxembourg 0 2259743 0 2259743 2259743 3.4 % 29/08/2022
Carlyle Europe Partners IV, L.P. England and Wales 0 2259743 0 2259743 2259743 3.4 % 29/08/2022
CEP IV Managing GP, L.P. Scotland 0 2259743 0 2259743 2259743 3.4 % 29/08/2022
CEP IV Managing GP Holdings, Ltd. Cayman Islands 0 2259743 0 2259743 2259743 3.4 % 29/08/2022
Capital International Investors Delaware 4858766 0 4859954 0 4859954 8.8 % 11/02/2022
Capital International Investors Delaware 4858766 0 4859954 0 4859954 8.8 % 11/02/2022
The Vanguard Group Pennsylvania For 0 33066 5564790 78611 5643401 10.18 % 10/02/2022
Wellington Management Company LLP Delaware 0 3832342 0 4249780 4249780 7.66 % 04/02/2022
Wellington Group Holdings LLP Delaware 0 3898269 0 4401028 4401028 7.94 % 04/02/2022
Wellington Management Group LLP Massachusetts 0 3898269 0 4401028 4401028 7.94 % 04/02/2022
Wellington Investment Advisors Holdings LLP Delaware 0 3898269 0 4401028 4401028 7.94 % 04/02/2022
BlackRock, Inc. Delaware 4891641 0 5059771 0 5059771 9.1 % 01/02/2022
The Vanguard Group Pennsylvania 0 36790 5520255 80273 5600528 10.12 % 10/06/2021
The Vanguard Group Pennsylvania 0 36790 5520255 80273 5600528 10.12 % 10/06/2021
Capital International Investors Delaware 3803788 0 3803788 0 3803788 6.9 % 16/02/2021
Capital International Investors Delaware 3803788 0 3803788 0 3803788 6.9 % 16/02/2021
The Vanguard Group Pennsylvania 0 41782 5004008 84647 5088655 9.23 % 10/02/2021
Wellington Management Group LLP Massachusetts 0 4545158 0 5056784 5056784 9.17 % 04/02/2021
Wellington Group Holdings LLP Delaware 0 4545158 0 5056784 5056784 9.17 % 04/02/2021
Wellington Investment Advisors Holdings LLP Delaware 0 4545158 0 5056784 5056784 9.17 % 04/02/2021
Wellington Management Company LLP Delaware 0 4443644 0 4852764 4852764 8.8 % 04/02/2021
Wellington Group Holdings LLP Delaware 0 4545158 0 5056784 5056784 9.17 % 04/02/2021
Wellington Management Company LLP Delaware 0 4443644 0 4852764 4852764 8.8 % 04/02/2021
Wellington Investment Advisors Holdings LLP Delaware 0 4545158 0 5056784 5056784 9.17 % 04/02/2021
Wellington Management Group LLP Massachusetts 0 4545158 0 5056784 5056784 9.17 % 04/02/2021
BlackRock, Inc. Delaware 4979457 0 5155288 0 5155288 9.4 % 29/01/2021
Capital International Investors California 4357356 0 4357432 0 4357432 7.9 % 14/02/2020
The Vanguard Group Pennsylvania 28348 10836 5048403 31800 5080203 9.31 % 12/02/2020
BlackRock, Inc. Delaware 4949175 0 5157397 0 5157397 9.5 % 05/02/2020
Wellington Management Group LLP Massachusetts 0 3455090 0 3832320 3832320 7.03 % 30/01/2020
Wellington Management Company LLP Delaware 0 3336250 0 3663097 3663097 6.72 % 30/01/2020
Wellington Investment Advisors Holdings LLP Delaware 0 3455090 0 3832320 3832320 7.03 % 30/01/2020
Wellington Group Holdings LLP Delaware 0 3455090 0 3832320 3832320 7.03 % 30/01/2020
Wellington Management Group LLP Massachusetts 0 3455090 0 3832320 3832320 7.03 % 30/01/2020
Wellington Group Holdings LLP Delaware 0 3455090 0 3832320 3832320 7.03 % 30/01/2020
Wellington Investment Advisors Holdings LLP Delaware 0 3455090 0 3832320 3832320 7.03 % 30/01/2020
Wellington Management Company LLP Delaware 0 3336250 0 3663097 3663097 6.72 % 30/01/2020
Wellington Group Holdings LLP Delaware 0 2128857 0 2411083 2411083 4.47 % 12/02/2019
Wellington Investment Advisors Holdings LLP Delaware 0 2128857 0 2411083 2411083 4.47 % 12/02/2019
Wellington Management Group LLP Massachusetts 0 2128857 0 2411083 2411083 4.47 % 12/02/2019
The Vanguard Group Pennsylvania 29713 7104 4903488 31241 4934729 9.14 % 11/02/2019
BlackRock, Inc. Delaware 4724019 0 4960098 0 4960098 9.2 % 06/02/2019
The Vanguard Group Pennsylvania 104716 6704 4596278 107267 4703545 8.66 % 09/02/2018
Dimensional Fund Advisors LP Delaware 2559690 0 2656308 0 2656308 4.89 % 09/02/2018
Wellington Group Holdings LLP Delaware 0 2471717 0 2788781 2788781 5.14 % 08/02/2018
Wellington Investment Advisors Holdings LLP Delaware 0 2471717 0 2788781 2788781 5.14 % 08/02/2018
Wellington Management Group LLP Massachusetts 0 2471717 0 2788781 2788781 5.14 % 08/02/2018
BlackRock, Inc. Delaware 5866362 0 5988461 0 5988461 11 % 23/01/2018
Wellington Investment Advisors Holdings LLP Delaware 0 2515626 0 2861397 2861397 5.27 % 10/10/2017
Wellington Group Holdings LLP Delaware 0 2515626 0 2861397 2861397 5.27 % 10/10/2017
Wellington Management Company LLP Delaware 0 2471787 0 2763436 2763436 5.09 % 10/10/2017
Wellington Management Group LLP Massachusetts 0 2515626 0 2861397 2861397 5.27 % 10/10/2017
Wellington Management Group LLP Massachusetts 0 2515626 0 2861397 2861397 5.27 % 10/10/2017
Wellington Investment Advisors Holdings LLP Delaware 0 2515626 0 2861397 2861397 5.27 % 10/10/2017
Wellington Group Holdings LLP Delaware 0 2515626 0 2861397 2861397 5.27 % 10/10/2017
Wellington Management Company LLP Delaware 0 2471787 0 2763436 2763436 5.09 % 10/10/2017
Wellington Group Holdings LLP Delaware 0 4163081 0 5608021 5608021 10.46 % 10/02/2017
Wellington Management Company LLP Delaware 0 4019114 0 5285566 5285566 9.86 % 10/02/2017
Wellington Group Holdings LLP Delaware 0 4163081 0 5608021 5608021 10.46 % 10/02/2017
Wellington Management Group LLP Massachusetts 0 4163081 0 5608021 5608021 10.46 % 10/02/2017
Wellington Management Company LLP Delaware 0 4019114 0 5285566 5285566 9.86 % 10/02/2017
Wellington Management Group LLP Massachusetts 0 4163081 0 5608021 5608021 10.46 % 10/02/2017
Wellington Investment Advisors Holdings LLP Delaware 0 4163081 0 5608021 5608021 10.46 % 10/02/2017
Wellington Investment Advisors Holdings LLP Delaware 0 4163081 0 5608021 5608021 10.46 % 10/02/2017
The Vanguard Group Pennsylvania 66070 6104 4416474 69545 4486019 8.37 % 10/02/2017
Wellington Management Group LLP Massachusetts 0 3915846 0 5340998 5340998 9.97 % 09/02/2017
Wellington Management Company LLP Delaware 0 3779139 0 5027026 5027026 9.38 % 09/02/2017
Wellington Group Holdings LLP Delaware 0 3915846 0 5340998 5340998 9.97 % 09/02/2017
Wellington Investment Advisors Holdings LLP Delaware 0 3915846 0 5340998 5340998 9.97 % 09/02/2017
Dimensional Fund Advisors LP Delaware 4168464 0 4226764 0 4226764 7.89 % 09/02/2017
Royce & Associates, LP New York 2328613 0 2328613 0 2328613 4.35 % 01/02/2017
BlackRock, Inc. Delaware 6044341 0 6159789 0 6159789 11.5 % 12/01/2017
BlackRock, Inc. Delaware 5394929 0 5516591 0 5516591 10.3 % 07/10/2016
The Vanguard Group Pennsylvania 67810 3300 3890113 67910 3958023 7.43 % 10/02/2016
Dimensional Fund Advisors LP Delaware 4000524 0 4055129 0 4055129 7.61 % 09/02/2016
BlackRock, Inc. Delaware 4822307 0 4942240 0 4942240 9.3 % 26/01/2016
Royce & Associates, LLC New York 4862994 4862994 4862994 9.13 % 19/01/2016
Royce & Associates, LLC New York 4862994 4862994 4862994 9.13 % 19/01/2016
The Vanguard Group Pennsylvania 75210 3435362 70510 3505872 6.6 % 11/02/2015
Dimensional Fund Advisors LP Delaware 3539447 0 3613792 0 3613792 6.81 % 05/02/2015
BlackRock, Inc. Delaware 4490308 0 4626208 0 4626208 8.7 % 22/01/2015
Royce & Associates, LLC New York 6739263 6739263 6739263 12.7 % 13/01/2015
Royce & Associates, LLC New York 6739263 6739263 6739263 12.7 % 13/01/2015
The Vanguard Group Pennsylvania 80563 3368554 75863 3444417 6.47 % 11/02/2014
Dimensional Fund Advisors LP Delaware 3271513 0 3353991 0 3353991 6.3 % 10/02/2014
Royce & Associates, LLC New York 7936052 7936052 14.91 % 05/02/2014
BlackRock, Inc. Delaware 4482797 0 4656447 0 4656447 8.7 % 29/01/2014
Kornitzer Capital Management, Inc. ("KCM"), Kansas 0 0 0 0 0 0 % 16/01/2014
Royce & Associates, LLC New York 7984200 7984200 15 % 13/01/2014
The Vanguard Group Pennsylvania 81890 3020701 78890 3099591 5.88 % 12/02/2013
Dimensional Fund Advisors LP Delaware 2932991 0 2989987 0 2989987 5.68 % 11/02/2013
BlackRock, Inc. Delaware 4071587 0 4071587 0 4071587 7.74 % 07/02/2013
Kornitzer Capital Management, Inc. ("KCM"), Kansas 2722621 0 2672918 49703 2722621 5.17 % 24/01/2013
Royce & Associates, LLC New York 7051179 7051179 13.4 % 14/01/2013
Dimensional Fund Advisors LP Delaware 3252138 0 3342984 0 3342984 6.37 % 14/02/2012
BlackRock, Inc. Delaware 4245841 0 4245841 0 4245841 8.1 % 10/02/2012
THE VANGUARD GROUP, INC. Pennsylvania 80691 2667582 80691 2748273 5.24 % 10/02/2012
Kornitzer Capital Management, Inc. Kansas 3286835 0 3223243 63592 3286835 6.27 % 20/01/2012
Kornitzer Capital Management, Inc. Kansas 3286835 0 3223243 63592 3286835 6.27 % 20/01/2012
Royce & Associates, LLC New York 7472692 7472692 14.25 % 18/01/2012
Dimensional Fund Advisors LP Delaware 3408962 0 3508110 0 3508110 6.97 % 11/02/2011
Claire R. Bertucci United States 827788 1366157 827788 1366157 1366157 2.7 % 11/02/2011
John R. Bertucci United States 538369 1366157 538369 1366157 1366157 2.7 % 11/02/2011
BlackRock, Inc. Delaware 4420234 0 4420234 0 4420234 8.78 % 07/02/2011
Kornitzer Capital Management, Inc. ("KCM"), Kansas 4907418 0 4762249 145169 4907418 9.75 % 21/01/2011
Kornitzer Capital Management, Inc. ("KCM"), Kansas 4907418 0 4762249 145169 4907418 9.75 % 21/01/2011
Royce & Associates, LLC New York 7128217 7128217 14.16 % 14/01/2011
Claire R. Bertucci United States 1639221 3067478 1639221 3067478 3067478 6.2 % 16/02/2010
John R. Bertucci United States 1428257 3067478 1428257 3067478 3067478 6.2 % 16/02/2010
Dimensional Fund Advisors LP Delaware 3947261 0 4026611 0 4026611 8.13 % 08/02/2010
Royce & Associates, LLC New York 7265630 7265630 14.68 % 25/01/2010
Kornitzer Capital Management, Inc. Kansas 0 4336593 167544 4504137 9.1 % 22/01/2010

Senat trading

Bureau Date de la transaction Date de réception Type Amount Commentaire
Tommy Tuberville 2023-04-03 2023-05-11 Sale (Full) $1,001 - $15,000 --
Tommy Tuberville 2023-04-03 2023-05-11 Sale (Full) $1,001 - $15,000 --
Tommy Tuberville 2023-04-03 2023-05-10 Sale (Full) $1,001 - $15,000 --
Tommy Tuberville 2022-03-30 2022-04-08 Purchase $1,001 - $15,000 --
Tommy Tuberville 2022-03-30 2022-04-07 Purchase $1,001 - $15,000 --

Senat Divulgation

Représentant Date de la transaction Date de divulgation Type Amount District
Lisa McClain 2025-08-04 2025-09-15 Purchase $1,001 - $15,000 MI09