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Harbor Capital Advisors’s MKS Inc MKSI Stock Holding History

Harbor Capital 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 		$954K Sell
4,153
-14,068
-77% -$3.18M 0.08% 336
2025
Q4 		$2.91M Sell
18,221
-5,510
-23% -$817K 0.23% 108
2025
Q3 		$2.94M Sell
23,731
-76,045
-76% -$8.11M 0.23% 102
2025
Q2 		$9.91M Sell
99,776
-9,979
-9% -$811K 0.42% 65
2025
Q1 		$8.8M Sell
109,755
-5,752
-5% -$581K 0.4% 67
2024
Q4 		$12.1M Buy
+115,507
New +$12.5M 0.53% 42

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

Harbor Capital Advisors's MKSI Position: Q1 2026 in Review

Harbor Capital Advisors reduced its MKS Inc (MKSI) stake by 77% in Q1 2026, selling an estimated $3.18M and leaving 4,153 shares worth $954K. The position accounts for 0.08% of the portfolio, ranked #336.

Harbor Capital Advisors first reported a position in MKSI in Q4 2024 and has held it in 6 quarters since. The position peaked at $12.1M in Q4 2024. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • Harbor Capital Advisors held 4,153 shares of MKS Inc worth $954K as of Q1 2026.
  • Harbor Capital Advisors sold 14,068 MKS Inc shares in Q1 2026, an estimated $3.18M.
  • MKS Inc made up 0.08% of Harbor Capital Advisors's portfolio in Q1 2026, its #336 holding.
  • Harbor Capital Advisors first reported a position in MKS Inc in Q4 2024 and has held it in 6 quarters since.
  • Harbor Capital Advisors's MKS Inc position peaked at $12.1M in Q4 2024.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.