Ohio Public Employees Retirement System (OPERS)
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Ohio Public Employees Retirement System (OPERS)’s MKS Inc MKSI Stock Holding History

Ohio Public Employees Retirement System (OPERS)’s Portfolio MKSI Stock Details MKSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.61M Sell
37,486
-17,833
-32% -$4.03M 0.03% 489
2025
Q4 		$8.84M Sell
55,319
-6,969
-11% -$1.03M 0.03% 488
2025
Q3 		$7.71M Sell
62,288
-8,795
-12% -$937K 0.02% 529
2025
Q2 		$7.06M Buy
71,083
+9,736
+16% +$791K 0.02% 539
2025
Q1 		$4.92M Buy
61,347
+21,883
+55% +$2.21M 0.02% 672
2024
Q4 		$4.12M Buy
39,464
+15,184
+63% +$1.64M 0.01% 783
2024
Q3 		$2.64M Sell
24,280
-1,210
-5% -$144K 0.01% 945
2024
Q2 		$3.33M Buy
25,490
+90
+0.4% +$11.4K 0.01% 776
2024
Q1 		$3.38M Sell
25,400
-2,394
-9% -$278K 0.01% 793
2023
Q4 		$2.86M Buy
27,794
+759
+3% +$61.6K 0.01% 872
2023
Q3 		$2.34M Sell
27,035
-2,994
-10% -$292K 0.01% 890
2023
Q2 		$3.25M Buy
30,029
+1,542
+5% +$141K 0.01% 823
2023
Q1 		$2.52M Sell
28,487
-884
-3% -$84.4K 0.01% 917
2022
Q4 		$2.49M Buy
29,371
+615
+2% +$49.3K 0.01% 934
2022
Q3 		$2.38M Buy
28,756
+1,122
+4% +$116K 0.01% 961
2022
Q2 		$2.84M Sell
27,634
-18,129
-40% -$2.11M 0.01% 909
2022
Q1 		$6.86M Sell
45,763
-436
-0.9% -$67.7K 0.02% 591
2021
Q4 		$8.05M Buy
46,199
+13,906
+43% +$2.17M 0.03% 545
2021
Q3 		$4.87M Sell
32,293
-968
-3% -$149K 0.02% 761
2021
Q2 		$5.92M Buy
33,261
+2,397
+8% +$436K 0.02% 679
2021
Q1 		$5.72M Buy
30,864
+2,689
+10% +$452K 0.02% 637
2020
Q4 		$4.24M Buy
28,175
+4,563
+19% +$597K 0.02% 696
2020
Q3 		$2.58M Sell
23,612
-21,117
-47% -$2.47M 0.01% 784
2020
Q2 		$5.07M Buy
44,729
+11,109
+33% +$1.11M 0.03% 514
2020
Q1 		$2.74M Sell
33,620
-34,506
-51% -$3.53M 0.02% 701
2019
Q4 		$7.5M Buy
68,126
+47,355
+228% +$4.96M 0.04% 375
2019
Q3 		$1.92M Buy
20,771
+280
+1% +$23.1K 0.01% 966
2019
Q2 		$1.6M Sell
20,491
-17
-0.1% -$1.44K 0.01% 1045
2019
Q1 		$1.91M Sell
20,508
-18,001
-47% -$1.45M 0.01% 998
2018
Q4 		$2.49M Sell
38,509
-4,113
-10% -$297K 0.01% 812
2018
Q3 		$3.42M Sell
42,622
-89,952
-68% -$8.22M 0.02% 796
2018
Q2 		$12.7M Buy
132,574
+86,583
+188% +$9.44M 0.06% 286
2018
Q1 		$5.32M Sell
45,991
-2,769
-6% -$304K 0.03% 594
2017
Q4 		$4.61M Buy
48,760
+17,800
+57% +$1.77M 0.02% 690
2017
Q3 		$2.92M Buy
30,960
+28,687
+1,262% +$2.35M 0.02% 858
2017
Q2 		$153K Sell
2,273
-214
-9% -$16.2K ﹤0.01% 1547
2017
Q1 		$171K Sell
2,487
-192
-7% -$12.6K ﹤0.01% 1514
2016
Q4 		$183K Sell
2,679
-64
-2% -$3.45K ﹤0.01% 1498
2016
Q3 		$136K Sell
2,743
-100
-4% -$4.71K ﹤0.01% 1561
2016
Q2 		$122K Buy
2,843
+219
+8% +$8.5K ﹤0.01% 1512
2016
Q1 		$99K Sell
2,624
-230
-8% -$7.86K ﹤0.01% 1538
2015
Q4 		$103K Sell
2,854
-48,409
-94% -$1.72M ﹤0.01% 1537
2015
Q3 		$1.72M Sell
51,263
-169
-0.3% -$5.88K 0.01% 940
2015
Q2 		$1.95M Buy
51,432
+47,314
+1,149% +$1.72M 0.01% 950
2015
Q1 		$139K Sell
4,118
-154
-4% -$5.41K ﹤0.01% 1502
2014
Q4 		$156K Sell
4,272
-257
-6% -$9.09K ﹤0.01% 1468
2014
Q3 		$151K Sell
4,529
-1,913
-30% -$62.6K ﹤0.01% 1500
2014
Q2 		$201K Buy
6,442
+436
+7% +$12.6K ﹤0.01% 1499
2014
Q1 		$180K Sell
6,006
-1,302
-18% -$39.1K ﹤0.01% 1505
2013
Q4 		$219K Buy
7,308
+3,687
+102% +$107K ﹤0.01% 1498
2013
Q3 		$96K Buy
+3,621
New +$96.7K ﹤0.01% 1609

Other funds holding MKSI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Ohio Public Employees Retirement System (OPERS)'s MKSI Position: Q1 2026 in Review

Ohio Public Employees Retirement System (OPERS) reduced its MKS Inc (MKSI) stake by 32% in Q1 2026, selling an estimated $4.03M and leaving 37,486 shares worth $8.61M. The position accounts for 0.03% of the portfolio, ranked #489.

Ohio Public Employees Retirement System (OPERS) first reported a position in MKSI in Q3 2013 and has held it in 51 quarters since. The position peaked at $12.7M in Q2 2018. 616 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Ohio Public Employees Retirement System (OPERS) held 37,486 shares of MKS Inc worth $8.61M as of Q1 2026.
  • Ohio Public Employees Retirement System (OPERS) sold 17,833 MKS Inc shares in Q1 2026, an estimated $4.03M.
  • MKS Inc made up 0.03% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q1 2026, its #489 holding.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in MKS Inc in Q3 2013 and has held it in 51 quarters since.
  • Ohio Public Employees Retirement System (OPERS)'s MKS Inc position peaked at $12.7M in Q2 2018.
  • 616 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q1 2026, filed 14 May 2026.