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Two Sigma Securities’s Merck MRK Stock Holding History

Two Sigma Securities’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
2025
Q1 		– Sell
-9,300
Closed -$925K – 1936
2024
Q4 		$925K Sell
9,300
-140,800
-94% -$14.5M 0.12% 165
2024
Q3 		$17M Buy
150,100
+35,500
+31% +$4.22M 0.29% 71
2024
Q2 		$14.2M Sell
114,600
-22,700
-17% -$2.92M 0.17% 138
2024
Q1 		$18.1M Sell
137,300
-147,100
-52% -$18.1M 0.17% 136
2023
Q4 		$31M Buy
284,400
+239,800
+538% +$24.9M 0.3% 55
2023
Q3 		$4.59M Sell
44,600
-103,600
-70% -$11.2M 0.05% 391
2023
Q2 		$17.1M Buy
148,200
+66,300
+81% +$7.53M 0.25% 79
2023
Q1 		$8.71M Buy
81,900
+17,700
+28% +$1.91M 0.17% 122
2022
Q4 		$7.12M Buy
64,200
+2,400
+4% +$245K 0.21% 91
2022
Q3 		$5.32M Buy
61,800
+48,800
+375% +$4.36M 0.16% 136
2022
Q2 		$1.19M Sell
13,000
-148,600
-92% -$13.2M 0.04% 462
2022
Q1 		$13.3M Buy
161,600
+150,000
+1,293% +$11.8M 0.47% 22
2021
Q4 		$889K Sell
11,600
-48,400
-81% -$3.86M 0.04% 302
2021
Q3 		$4.51M Buy
60,000
+35,700
+147% +$2.72M 0.13% 126
2021
Q2 		$1.89M Buy
+24,300
New +$1.81M 0.06% 253
2021
Q1 		– Sell
-67,701
Closed -$5.28M – 1422
2020
Q4 		$5.28M Buy
67,701
+49,466
+271% +$3.78M 0.13% 96
2020
Q3 		$1.44M Sell
18,235
-419
-2% -$32.8K 0.03% 271
2020
Q2 		$1.38M Sell
18,654
-24,314
-57% -$1.83M 0.03% 311
2020
Q1 		$3.15M Sell
42,968
-246,699
-85% -$19.4M 0.07% 170
2019
Q4 		$25.1M Sell
289,667
-49,990
-15% -$4.11M 0.17% 74
2019
Q3 		$27.3M Sell
339,657
-838
-0.2% -$67.2K 0.25% 43
2019
Q2 		$27.2M Buy
340,495
+28,925
+9% +$2.21M 0.28% 44
2019
Q1 		$24.7M Sell
311,570
-57,431
-16% -$4.3M 0.22% 42
2018
Q4 		$26.9M Sell
369,001
-57,745
-14% -$4.08M 0.33% 30
2018
Q3 		$28.9M Buy
426,746
+102,914
+32% +$6.56M 0.19% 63
2018
Q2 		$18.8M Sell
323,832
-119,996
-27% -$6.77M 0.09% 162
2018
Q1 		$23.1M Buy
443,828
+416,999
+1,554% +$22.5M 0.13% 135
2017
Q4 		$1.44M Buy
+26,829
New +$1.49M 0.04% 333

Other funds holding MRK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 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

Two Sigma Securities's MRK Position: Q1 2026 in Review

Two Sigma Securities opened a new position in Merck (MRK) in Q1 2026: 1,737 shares worth $209K. The stake represents 0.02% of the portfolio and ranks #1028 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in MRK as recently as Q4 2024.

Two Sigma Securities first reported a position in MRK in Q3 2016 and has held it in 28 quarters since. The position peaked at $22.8M in Q2 2024. 3,778 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Two Sigma Securities held 1,737 shares of Merck worth $209K as of Q1 2026.
  • Merck was a new Two Sigma Securities position in Q1 2026.
  • Merck made up 0.02% of Two Sigma Securities's portfolio in Q1 2026, its #1028 holding.
  • Two Sigma Securities first reported a position in Merck in Q3 2016 and has held it in 28 quarters since.
  • Two Sigma Securities's Merck position peaked at $22.8M in Q2 2024.
  • 3,778 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.