Activist 13D/13G Filings - MKS INSTRUMENTS INC (MKSI)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-11-14
1:22 pm
Sale
13GMKS INSTRUMENTS INC
MKSI
PRICE T ROWE ASSOCIATES INC4,278,634
6.400%
-451,760decrease
(-9.55%)
View
2024-11-07
11:42 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
BlackRock Inc.
BLK
7,091,928
10.200%
913,303increase
(+14.78%)
View
2024-09-10
5:08 pm
Sale
13GMKS INSTRUMENTS INC
MKSI
PRICE T ROWE ASSOCIATES INC4,730,394
7.000%
-3,355,428decrease
(-41.50%)
View
2024-02-13
5:09 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC6,892,941
10.310%
197,494increase
(+2.95%)
View
2024-02-12
5:45 pm
Sale
13GMKS INSTRUMENTS INC
MKSI
Carlyle Group Inc.
CG
0
0.000%
-8,482,732decrease
(Position Closed)
View
2024-02-09
6:03 pm
Sale
13GMKS INSTRUMENTS INC
MKSI
Capital International Investors3,669,257
5.500%
-3,159,506decrease
(-46.27%)
View
2024-02-09
09:28 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
FMR LLC4,051,183
6.057%
1,714,941increase
(+73.41%)
View
2024-02-07
09:37 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
VICTORY CAPITAL MANAGEMENT INC4,490,779
6.710%
650,022increase
(+16.92%)
View
2024-01-24
5:23 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
BlackRock Inc.
BLK
6,178,625
9.200%
688,368increase
(+12.54%)
View
2024-01-10
1:56 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
PRICE T ROWE ASSOCIATES INC8,085,822
12.100%
6,866,509increase
(+563.15%)
View
2023-06-09
2:15 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC6,695,447
10.030%
351,049increase
(+5.53%)
View
2023-02-10
2:51 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
Capital International Investors6,828,763
10.300%
243,541increase
(+3.70%)
View
2023-02-10
2:05 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
Capital International Investors6,585,222
9.900%
1,725,268increase
(+35.50%)
View
2023-02-09
11:27 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC6,344,398
9.540%
700,997increase
(+12.42%)
View
2023-02-07
2:10 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
BlackRock Inc.
BLK
5,490,257
8.300%
430,486increase
(+8.51%)
View
2023-02-06
2:53 pm
Sale
13GMKS INSTRUMENTS INC
MKSI
WELLINGTON MANAGEMENT GROUP LLP1,898,238
2.850%
-2,502,790decrease
(-56.87%)
View
2023-02-02
11:56 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
VICTORY CAPITAL MANAGEMENT INC3,840,757
5.770%
3,840,757increase
(New Position)
View
2022-08-29
5:27 pm
Purchase
13GMKS INSTRUMENTS INC
MKSI
Carlyle Group Inc.
CG
8,482,732
12.800%
8,482,732increase
(New Position)
View
2022-02-11
11:19 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
Capital International Investors4,859,954
8.800%
1,056,166increase
(+27.77%)
View
2022-02-10
08:27 am
Purchase
13GMKS INSTRUMENTS INC
MKSI
VANGUARD GROUP INC5,643,401
10.180%
42,873increase
(+0.77%)
View
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