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AQR Arbitrage’s MKS Inc MKSI Stock Holding History

AQR Arbitrage’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 		– Sell
-40,090
Closed -$6.41M – 590
2025
Q4 		$6.41M Buy
40,090
+2,746
+7% +$407K 0.13% 193
2025
Q3 		$4.59M Buy
37,344
+3,845
+11% +$410K 0.12% 195
2025
Q2 		$3.33M Buy
33,499
+3,299
+11% +$268K 0.08% 195
2025
Q1 		$2.38M Buy
+30,200
New +$3.05M 0.06% 200

Other funds holding MKSI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

AQR Arbitrage's MKSI Position: Q1 2026 in Review

AQR Arbitrage sold out of MKS Inc (MKSI) in Q1 2026, closing a stake of 40,090 shares — an estimated $6.41M sold.

AQR Arbitrage first reported a position in MKSI in Q1 2025 and held it in 4 quarters. The position peaked at $6.41M in Q4 2025. 620 funds tracked by Wall St. Rank hold MKSI as of Q1 2026.

  • AQR Arbitrage reported no remaining MKS Inc position as of Q1 2026 after selling out during the quarter.
  • AQR Arbitrage sold 40,090 MKS Inc shares in Q1 2026, an estimated $6.41M.
  • AQR Arbitrage first reported a position in MKS Inc in Q1 2025 and held it in 4 quarters.
  • AQR Arbitrage's MKS Inc position peaked at $6.41M in Q4 2025.
  • 620 funds tracked by Wall St. Rank held MKS Inc as of Q1 2026.

Based on AQR Arbitrage's 13F filing for Q1 2026, filed 15 May 2026.