Millennium Management’s MKS Inc. Common Stock MKSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$479K Sell
4,816
-540,293
-99% -$53.7M ﹤0.01% 3391
2025
Q1
$43.7M Buy
545,109
+310,314
+132% +$24.9M 0.02% 596
2024
Q4
$24.5M Buy
234,795
+21,533
+10% +$2.25M 0.01% 973
2024
Q3
$23.2M Sell
213,262
-134,762
-39% -$14.6M 0.01% 1009
2024
Q2
$45.4M Buy
348,024
+239,099
+220% +$31.2M 0.02% 607
2024
Q1
$14.5M Buy
108,925
+30,411
+39% +$4.04M 0.01% 1247
2023
Q4
$8.08M Sell
78,514
-52,498
-40% -$5.4M ﹤0.01% 1607
2023
Q3
$11.3M Buy
+131,012
New +$11.3M 0.01% 1324
2022
Q4
Sell
-8,908
Closed -$736K 5023
2022
Q3
$736K Sell
8,908
-26,699
-75% -$2.21M ﹤0.01% 3551
2022
Q2
$3.65M Buy
35,607
+13,915
+64% +$1.43M ﹤0.01% 2414
2022
Q1
$3.25M Sell
21,692
-1,948
-8% -$292K ﹤0.01% 2689
2021
Q4
$4.12M Sell
23,640
-112,534
-83% -$19.6M ﹤0.01% 2409
2021
Q3
$20.6M Sell
136,174
-157,608
-54% -$23.8M 0.01% 878
2021
Q2
$52.3M Sell
293,782
-175,906
-37% -$31.3M 0.03% 356
2021
Q1
$87.1M Buy
469,688
+454,335
+2,959% +$84.2M 0.06% 157
2020
Q4
$2.31M Buy
15,353
+8,090
+111% +$1.22M ﹤0.01% 2422
2020
Q3
$793 Sell
7,263
-11,476
-61% -$1.25K ﹤0.01% 2614
2020
Q2
$2.12M Sell
18,739
-22,902
-55% -$2.59M ﹤0.01% 1977
2020
Q1
$3.39M Sell
41,641
-49,909
-55% -$4.07M 0.01% 1316
2019
Q4
$10.1M Sell
91,550
-4,810
-5% -$529K 0.01% 1087
2019
Q3
$8.89M Buy
96,360
+71,186
+283% +$6.57M 0.01% 1086
2019
Q2
$1.96M Sell
25,174
-96,600
-79% -$7.52M ﹤0.01% 2035
2019
Q1
$11.3M Sell
121,774
-135,670
-53% -$12.6M 0.02% 1000
2018
Q4
$16.6M Sell
257,444
-28,622
-10% -$1.85M 0.03% 721
2018
Q3
$22.9M Sell
286,066
-245,860
-46% -$19.7M 0.03% 713
2018
Q2
$50.9M Buy
531,926
+510,627
+2,397% +$48.9M 0.07% 384
2018
Q1
$2.46M Sell
21,299
-376,645
-95% -$43.6M ﹤0.01% 2039
2017
Q4
$37.6M Sell
397,944
-16,581
-4% -$1.57M 0.05% 522
2017
Q3
$39.2M Buy
414,525
+7,473
+2% +$706K 0.06% 427
2017
Q2
$27.4M Buy
407,052
+198,745
+95% +$13.4M 0.05% 506
2017
Q1
$14.3M Buy
208,307
+181,257
+670% +$12.5M 0.03% 791
2016
Q4
$1.61M Buy
+27,050
New +$1.61M ﹤0.01% 1839
2016
Q1
Sell
-22,357
Closed -$805K 3214
2015
Q4
$805K Sell
22,357
-113,688
-84% -$4.09M ﹤0.01% 2217
2015
Q3
$4.56M Buy
136,045
+103,346
+316% +$3.47M 0.01% 1290
2015
Q2
$1.24M Buy
32,699
+7,536
+30% +$286K ﹤0.01% 1989
2015
Q1
$851K Sell
25,163
-51,880
-67% -$1.75M ﹤0.01% 2213
2014
Q4
$2.82M Buy
77,043
+70,187
+1,024% +$2.57M 0.01% 1584
2014
Q3
$229K Sell
6,856
-5,425
-44% -$181K ﹤0.01% 2627
2014
Q2
$384K Sell
12,281
-109,372
-90% -$3.42M ﹤0.01% 2307
2014
Q1
$3.64M Buy
121,653
+25,122
+26% +$751K 0.01% 1169
2013
Q4
$2.89M Buy
96,531
+11,205
+13% +$335K 0.01% 1248
2013
Q3
$2.27M Buy
85,326
+13,495
+19% +$359K 0.01% 1283
2013
Q2
$1.91M Buy
+71,831
New +$1.91M 0.01% 1323