Two Sigma Advisers
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Two Sigma Advisers’s Merck MRK Stock Holding History

Two Sigma Advisers’s Portfolio MRK Stock Details MRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2015
Q1 		– Sell
-58,688
Closed -$3.18M – 2208
2014
Q4 		$3.18M Sell
58,688
-24,104
-29% -$1.34M 0.02% 643
2014
Q3 		$4.68M Buy
82,792
+28,296
+52% +$1.59M 0.04% 522
2014
Q2 		$3.01M Buy
54,496
+49,256
+940% +$2.69M 0.02% 639
2014
Q1 		$284K Sell
5,240
-287,152
-98% -$14.9M ﹤0.01% 1906
2013
Q4 		$14M Sell
292,392
-110,040
-27% -$5.03M 0.13% 164
2013
Q3 		$18.3M Buy
402,432
+348,250
+643% +$15.9M 0.22% 96
2013
Q2 		$2.4M Buy
+54,182
New +$2.42M 0.03% 454

Other funds holding MRK

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Two Sigma Advisers's MRK Position: Q4 2025 in Review

Two Sigma Advisers sold out of Merck (MRK) in Q4 2025, closing a stake of 2,320,900 shares — an estimated $195M sold.

Two Sigma Advisers first reported a position in MRK in Q3 2013 and held it in 48 quarters. The position peaked at $515M in Q4 2023. 3,651 funds tracked by Wall St. Rank hold MRK as of Q4 2025.

  • Two Sigma Advisers reported no remaining Merck position as of Q4 2025 after selling out during the quarter.
  • Two Sigma Advisers sold 2,320,900 Merck shares in Q4 2025, an estimated $195M.
  • Two Sigma Advisers first reported a position in Merck in Q3 2013 and held it in 48 quarters.
  • Two Sigma Advisers's Merck position peaked at $515M in Q4 2023.
  • 3,651 funds tracked by Wall St. Rank held Merck as of Q4 2025.

Based on Two Sigma Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.