Dimensional Fund Advisors
MKSI icon

Dimensional Fund Advisors’s MKS Inc MKSI Stock Holding History

Dimensional Fund Advisors’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 		$192M Sell
835,345
-282,142
-25% -$63.8M 0.04% 610
2025
Q4 		$179M Sell
1,117,487
-147,878
-12% -$21.9M 0.04% 636
2025
Q3 		$157M Buy
1,265,365
+297,850
+31% +$31.7M 0.03% 722
2025
Q2 		$96.1M Buy
967,515
+88,834
+10% +$7.22M 0.02% 1044
2025
Q1 		$70.4M Buy
878,681
+252,538
+40% +$25.5M 0.02% 1236
2024
Q4 		$65.4M Buy
626,143
+199,795
+47% +$21.6M 0.02% 1349
2024
Q3 		$46.4M Buy
426,348
+53,954
+14% +$6.41M 0.01% 1552
2024
Q2 		$48.6M Buy
372,394
+17,476
+5% +$2.21M 0.01% 1496
2024
Q1 		$47.2M Buy
354,918
+108,111
+44% +$12.6M 0.01% 1489
2023
Q4 		$25.4M Sell
246,807
-16,935
-6% -$1.38M 0.01% 1866
2023
Q3 		$22.8M Sell
263,742
-24,768
-9% -$2.41M 0.01% 1852
2023
Q2 		$31.2M Sell
288,510
-287,116
-50% -$26.3M 0.01% 1686
2023
Q1 		$51M Sell
575,626
-9,131
-2% -$871K 0.02% 1308
2022
Q4 		$49.5K Sell
584,757
-150,464
-20% -$12.1M 0.01% 1314
2022
Q3 		$60.8M Buy
735,221
+43,159
+6% +$4.44M 0.02% 1062
2022
Q2 		$71M Buy
692,062
+23,239
+3% +$2.71M 0.03% 995
2022
Q1 		$100M Buy
668,823
+1,906
+0.3% +$296K 0.03% 847
2021
Q4 		$116M Sell
666,917
-12,890
-2% -$2.02M 0.04% 761
2021
Q3 		$103M Buy
679,807
+5,620
+0.8% +$863K 0.03% 809
2021
Q2 		$120M Buy
674,187
+834
+0.1% +$152K 0.04% 692
2021
Q1 		$125M Buy
673,353
+4,819
+0.7% +$810K 0.04% 632
2020
Q4 		$101M Sell
668,534
-69,186
-9% -$9.05M 0.04% 736
2020
Q3 		$80.6M Sell
737,720
-31,556
-4% -$3.7M 0.03% 760
2020
Q2 		$87.1M Sell
769,276
-331,981
-30% -$33M 0.04% 684
2020
Q1 		$89.7M Sell
1,101,257
-134,632
-11% -$13.8M 0.05% 497
2019
Q4 		$136M Sell
1,235,889
-121,020
-9% -$12.7M 0.05% 496
2019
Q3 		$125M Sell
1,356,909
-42,548
-3% -$3.51M 0.05% 508
2019
Q2 		$109M Sell
1,399,457
-3,013
-0.2% -$255K 0.04% 607
2019
Q1 		$130M Sell
1,402,470
-70,667
-5% -$5.7M 0.05% 453
2018
Q4 		$95.2M Sell
1,473,137
-176,167
-11% -$12.7M 0.04% 588
2018
Q3 		$132M Sell
1,649,304
-53,877
-3% -$4.92M 0.05% 480
2018
Q2 		$163M Sell
1,703,181
-570,621
-25% -$62.2M 0.07% 322
2018
Q1 		$263M Sell
2,273,802
-382,506
-14% -$42M 0.11% 137
2017
Q4 		$251M Sell
2,656,308
-406,915
-13% -$40.5M 0.1% 160
2017
Q3 		$289M Sell
3,063,223
-397,830
-11% -$32.5M 0.13% 105
2017
Q2 		$233M Sell
3,461,053
-271,191
-7% -$20.5M 0.11% 148
2017
Q1 		$257M Sell
3,732,244
-494,520
-12% -$32.5M 0.12% 114
2016
Q4 		$251M Sell
4,226,764
-116,100
-3% -$6.26M 0.13% 114
2016
Q3 		$216M Sell
4,342,864
-22,777
-0.5% -$1.07M 0.12% 133
2016
Q2 		$188M Buy
4,365,641
+97,914
+2% +$3.8M 0.11% 150
2016
Q1 		$161M Buy
4,267,727
+212,598
+5% +$7.26M 0.1% 183
2015
Q4 		$146M Buy
4,055,129
+122,476
+3% +$4.36M 0.09% 197
2015
Q3 		$132M Buy
3,932,653
+205,315
+6% +$7.14M 0.09% 222
2015
Q2 		$141M Buy
3,727,338
+139,326
+4% +$5.07M 0.09% 223
2015
Q1 		$121M Sell
3,588,012
-25,780
-0.7% -$906K 0.08% 277
2014
Q4 		$132M Buy
3,613,792
+26,721
+0.7% +$945K 0.09% 225
2014
Q3 		$120M Buy
3,587,071
+27,347
+0.8% +$895K 0.08% 236
2014
Q2 		$111M Buy
3,559,724
+111,969
+3% +$3.24M 0.08% 267
2014
Q1 		$103M Buy
3,447,755
+93,764
+3% +$2.81M 0.08% 266
2013
Q4 		$100M Buy
3,353,991
+99,115
+3% +$2.88M 0.08% 257
2013
Q3 		$86.5M Buy
3,254,876
+75,772
+2% +$2.02M 0.07% 277
2013
Q2 		$84.4M Buy
+3,179,104
New +$86M 0.08% 255

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

Dimensional Fund Advisors's MKSI Position: Q1 2026 in Review

Dimensional Fund Advisors reduced its MKS Inc (MKSI) stake by 25% in Q1 2026, selling an estimated $63.8M and leaving 835,345 shares worth $192M. The position accounts for 0.04% of the portfolio, ranked #610.

Dimensional Fund Advisors first reported a position in MKSI in Q2 2013 and has held it in 52 quarters since. The position peaked at $289M in Q3 2017. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Dimensional Fund Advisors held 835,345 shares of MKS Inc worth $192M as of Q1 2026.
  • Dimensional Fund Advisors sold 282,142 MKS Inc shares in Q1 2026, an estimated $63.8M.
  • MKS Inc made up 0.04% of Dimensional Fund Advisors's portfolio in Q1 2026, its #610 holding.
  • Dimensional Fund Advisors first reported a position in MKS Inc in Q2 2013 and has held it in 52 quarters since.
  • Dimensional Fund Advisors's MKS Inc position peaked at $289M in Q3 2017.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.