D.E. Shaw & Co
MKSI icon

D.E. Shaw & Co’s MKS Inc MKSI Stock Holding History

D.E. Shaw & Co’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
2019
Q2 		– Sell
-23,400
Closed -$2.18M – 3781
2019
Q1 		$2.18M Sell
23,400
-800
-3% -$64.5K ﹤0.01% 2101
2018
Q4 		$1.56M Buy
+24,200
New +$1.75M ﹤0.01% 2352
2018
Q1 		– Sell
-10,100
Closed -$954K – 3667
2017
Q4 		$954K Sell
10,100
-1,100
-10% -$110K ﹤0.01% 2605
2017
Q3 		$1.06M Sell
11,200
-2,000
-15% -$164K ﹤0.01% 2459
2017
Q2 		$888K Buy
13,200
+10,000
+313% +$758K ﹤0.01% 2487
2017
Q1 		$220K Buy
+3,200
New +$211K ﹤0.01% 3084

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

D.E. Shaw & Co's MKSI Position: Q1 2026 in Review

D.E. Shaw & Co opened a new position in MKS Inc (MKSI) in Q1 2026: 120,173 shares worth $27.6M. The stake represents 0.02% of the portfolio and ranks #954 among its holdings. This is a return to the name: D.E. Shaw & Co previously reported a position in MKSI as recently as Q2 2025.

D.E. Shaw & Co first reported a position in MKSI in Q2 2013 and has held it in 44 quarters since. The position peaked at $38.4M in Q4 2024. 615 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • D.E. Shaw & Co held 120,173 shares of MKS Inc worth $27.6M as of Q1 2026.
  • MKS Inc was a new D.E. Shaw & Co position in Q1 2026.
  • MKS Inc made up 0.02% of D.E. Shaw & Co's portfolio in Q1 2026, its #954 holding.
  • D.E. Shaw & Co first reported a position in MKS Inc in Q2 2013 and has held it in 44 quarters since.
  • D.E. Shaw & Co's MKS Inc position peaked at $38.4M in Q4 2024.
  • 615 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.