State of Wisconsin Investment Board’s MKS Inc MKSI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$11.3M Buy
48,978
+3,362
+7% +$760K 0.03% 602
2025
Q4
$7.29M Buy
45,616
+4,044
+10% +$600K 0.02% 837
2025
Q3
$5.15M Sell
41,572
-4,640
-10% -$495K 0.01% 942
2025
Q2
$4.59M Sell
46,212
-12,649
-21% -$1.03M 0.01% 968
2025
Q1
$4.72M Buy
58,861
+9,541
+19% +$963K 0.01% 958
2024
Q4
$5.15M Sell
49,320
-12,918
-21% -$1.39M 0.01% 935
2024
Q3
$6.77M Buy
62,238
+4,363
+8% +$518K 0.02% 832
2024
Q2
$7.56M Buy
57,875
+8,583
+17% +$1.08M 0.02% 744
2024
Q1
$6.56M Buy
49,292
+11,861
+32% +$1.38M 0.02% 853
2023
Q4
$3.85M Sell
37,431
-24,216
-39% -$1.97M 0.01% 1072
2023
Q3
$5.33M Sell
61,647
-6,483
-10% -$632K 0.02% 899
2023
Q2
$7.36M Sell
68,130
-6,095
-8% -$558K 0.02% 758
2023
Q1
$6.58M Sell
74,225
-6,735
-8% -$643K 0.02% 807
2022
Q4
$6.86M Sell
80,960
-5,815
-7% -$466K 0.02% 759
2022
Q3
$7.17M Sell
86,775
-2,054
-2% -$211K 0.02% 730
2022
Q2
$9.12M Buy
88,829
+9,880
+13% +$1.15M 0.02% 684
2022
Q1
$11.8M Buy
78,949
+5,725
+8% +$889K 0.02% 703
2021
Q4
$12.8M Sell
73,224
-206
-0.3% -$32.2K 0.02% 670
2021
Q3
$11.1M Buy
73,430
+327
+0.4% +$50.2K 0.02% 710
2021
Q2
$13M Sell
73,103
-13,921
-16% -$2.53M 0.03% 636
2021
Q1
$16.1M Sell
87,024
-6,003
-6% -$1.01M 0.03% 520
2020
Q4
$14M Sell
93,027
-22,490
-19% -$2.94M 0.03% 546
2020
Q3
$12.6M Sell
115,517
-26,860
-19% -$3.15M 0.03% 548
2020
Q2
$16.1M Sell
142,377
-10,650
-7% -$1.06M 0.04% 412
2020
Q1
$12.5M Sell
153,027
-320
-0.2% -$32.7K 0.04% 437
2019
Q4
$16.9M Sell
153,347
-32,500
-17% -$3.4M 0.04% 448
2019
Q3
$17.1M Sell
185,847
-11,858
-6% -$979K 0.05% 406
2019
Q2
$15.4M Sell
197,705
-16,700
-8% -$1.41M 0.04% 456
2019
Q1
$19.9M Buy
214,405
+38,810
+22% +$3.13M 0.06% 370
2018
Q4
$11.3M Sell
175,595
-90
-0.1% -$6.51K 0.04% 477
2018
Q3
$14.1M Sell
175,685
-243
-0.1% -$22.2K 0.04% 481
2018
Q2
$16.8M Buy
175,928
+10,628
+6% +$1.16M 0.05% 403
2018
Q1
$19.1M Sell
165,300
-15,800
-9% -$1.73M 0.06% 378
2017
Q4
$17.1M Hold
181,100
0.05% 413
2017
Q3
$17.1M Hold
181,100
0.05% 393
2017
Q2
$12.2M Sell
181,100
-13,871
-7% -$1.05M 0.04% 473
2017
Q1
$13.4M Hold
194,971
0.05% 414
2016
Q4
$11.6M Sell
194,971
-36,001
-16% -$1.94M 0.05% 429
2016
Q3
$11.5M Sell
230,972
-5,000
-2% -$236K 0.05% 451
2016
Q2
$10.2M Hold
235,972
0.04% 493
2016
Q1
$8.88M Buy
235,972
+10,000
+4% +$342K 0.03% 551
2015
Q4
$8.13M Buy
225,972
+2,062
+0.9% +$73.4K 0.03% 587
2015
Q3
$7.51M Hold
223,910
0.03% 611
2015
Q2
$8.49M Hold
223,910
0.03% 624
2015
Q1
$7.57M Hold
223,910
0.03% 662
2014
Q4
$8.2M Sell
223,910
-66,766
-23% -$2.36M 0.03% 626
2014
Q3
$9.7M Hold
290,676
0.04% 546
2014
Q2
$9.08M Sell
290,676
-15,866
-5% -$460K 0.03% 612
2014
Q1
$9.16M Hold
306,542
0.03% 608
2013
Q4
$9.18M Sell
306,542
-719
-0.2% -$20.9K 0.04% 583
2013
Q3
$8.17M Sell
307,261
-27,358
-8% -$730K 0.03% 626
2013
Q2
$8.88M Buy
+334,619
New +$9.05M 0.04% 587

Other funds holding MKSI

State of Wisconsin Investment Board's MKSI Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its MKS Inc (MKSI) stake by 7.4% in Q1 2026, buying an estimated $760K and bringing the position to 48,978 shares worth $11.3M. The position accounts for 0.03% of the portfolio, ranked #602.

State of Wisconsin Investment Board first reported a position in MKSI in Q2 2013 and has held it in 52 quarters since. The position peaked at $19.9M in Q1 2019. 618 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • State of Wisconsin Investment Board held 48,978 shares of MKS Inc worth $11.3M as of Q1 2026.
  • State of Wisconsin Investment Board bought 3,362 MKS Inc shares in Q1 2026, an estimated $760K.
  • MKS Inc made up 0.03% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #602 holding.
  • State of Wisconsin Investment Board first reported a position in MKS Inc in Q2 2013 and has held it in 52 quarters since.
  • State of Wisconsin Investment Board's MKS Inc position peaked at $19.9M in Q1 2019.
  • 618 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.