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Frontier Capital Management’s MKS Inc MKSI Stock Holding History

Frontier Capital Management’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 		$37.1M Sell
161,250
-389,485
-71% -$88.1M 0.38% 92
2025
Q4 		$88M Sell
550,735
-530,028
-49% -$78.6M 0.93% 20
2025
Q3 		$134M Buy
1,080,763
+168,383
+18% +$17.9M 1.2% 12
2025
Q2 		$90.7M Buy
912,380
+542,094
+146% +$44.1M 0.84% 17
2025
Q1 		$29.7M Buy
370,286
+6,858
+2% +$692K 0.32% 119
2024
Q4 		$37.9M Buy
363,428
+5,606
+2% +$605K 0.36% 107
2024
Q3 		$38.9M Sell
357,822
-78,141
-18% -$9.28M 0.37% 105
2024
Q2 		$56.9M Sell
435,963
-210,914
-33% -$26.6M 0.56% 52
2024
Q1 		$86M Buy
646,877
+101,361
+19% +$11.8M 0.8% 28
2023
Q4 		$56.1M Buy
545,516
+90,956
+20% +$7.39M 0.57% 58
2023
Q3 		$39.3M Sell
454,560
-65,158
-13% -$6.35M 0.43% 83
2023
Q2 		$56.2M Buy
519,718
+166,105
+47% +$15.2M 0.54% 63
2023
Q1 		$31.3M Sell
353,613
-83,282
-19% -$7.95M 0.32% 122
2022
Q4 		$37M Buy
436,895
+228,937
+110% +$18.3M 0.4% 95
2022
Q3 		$17.2M Buy
207,958
+131,411
+172% +$13.5M 0.2% 157
2022
Q2 		$7.86M Sell
76,547
-35,065
-31% -$4.08M 0.09% 221
2022
Q1 		$16.7M Sell
111,612
-95,815
-46% -$14.9M 0.15% 179
2021
Q4 		$36.1M Buy
207,427
+148,515
+252% +$23.2M 0.29% 123
2021
Q3 		$8.89M Sell
58,912
-7,752
-12% -$1.19M 0.07% 227
2021
Q2 		$11.9M Buy
66,664
+1,989
+3% +$361K 0.09% 221
2021
Q1 		$12M Sell
64,675
-278,512
-81% -$46.8M 0.09% 210
2020
Q4 		$51.6M Sell
343,187
-50,354
-13% -$6.59M 0.38% 95
2020
Q3 		$43M Sell
393,541
-13,160
-3% -$1.54M 0.38% 96
2020
Q2 		$46.1M Sell
406,701
-127,581
-24% -$12.7M 0.41% 90
2020
Q1 		$43.5M Sell
534,282
-52,461
-9% -$5.37M 0.49% 68
2019
Q4 		$64.5M Buy
586,743
+45,983
+9% +$4.82M 0.48% 75
2019
Q3 		$49.9M Buy
540,760
+217,564
+67% +$18M 0.39% 97
2019
Q2 		$25.2M Buy
323,196
+251,117
+348% +$21.2M 0.19% 161
2019
Q1 		$6.71M Buy
+72,079
New +$5.81M 0.05% 250

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

Frontier Capital Management's MKSI Position: Q1 2026 in Review

Frontier Capital Management reduced its MKS Inc (MKSI) stake by 71% in Q1 2026, selling an estimated $88.1M and leaving 161,250 shares worth $37.1M. The position accounts for 0.38% of the portfolio, ranked #92.

Frontier Capital Management first reported a position in MKSI in Q1 2019 and has held it in 29 quarters since. The position peaked at $134M in Q3 2025. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Frontier Capital Management held 161,250 shares of MKS Inc worth $37.1M as of Q1 2026.
  • Frontier Capital Management sold 389,485 MKS Inc shares in Q1 2026, an estimated $88.1M.
  • MKS Inc made up 0.38% of Frontier Capital Management's portfolio in Q1 2026, its #92 holding.
  • Frontier Capital Management first reported a position in MKS Inc in Q1 2019 and has held it in 29 quarters since.
  • Frontier Capital Management's MKS Inc position peaked at $134M in Q3 2025.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Frontier Capital Management's 13F filing for Q1 2026, filed 15 May 2026.