Winton Group’s Merck MRK Stock Holding History

Winton Group’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 Q4	–	Sell	-103,900	Closed	-$8.72M	–	1046
2025 Q3	$8.72M	Buy	103,900 +56,046	+117%	+$4.62M	0.33%	72
2025 Q2	$3.79M	Buy	+47,854	New	+$3.8M	0.19%	141
2024 Q4	–	Sell	-38,049	Closed	-$4.32M	–	723
2024 Q3	$4.32M	Buy	38,049 +11,135	+41%	+$1.32M	0.3%	89
2024 Q2	$3.33M	Buy	26,914 +13,164	+96%	+$1.7M	0.23%	87
2024 Q1	$1.81M	Buy	13,750 +1,855	+16%	+$229K	0.13%	128
2023 Q4	$1.3M	Buy	+11,895	New	+$1.23M	0.09%	151
2023 Q2	–	Sell	-29,512	Closed	-$3.14M	–	992
2023 Q1	$3.14M	Sell	29,512 -23,147	-44%	-$2.5M	0.19%	106
2022 Q4	$5.84M	Buy	52,659 +2,787	+6%	+$285K	0.38%	25
2022 Q3	$4.29M	Sell	49,872 -8,252	-14%	-$737K	0.28%	60
2022 Q2	$5.3M	Buy	58,124 +31,313	+117%	+$2.78M	0.28%	64
2022 Q1	$2.2M	Buy	+26,811	New	+$2.11M	0.12%	230
2021 Q4	–	Sell	-12,028	Closed	-$903K	–	1261
2021 Q3	$903K	Buy	12,028 +5,488	+84%	+$417K	0.05%	559
2021 Q2	$509K	Sell	6,540 -13,983	-68%	-$1.04M	0.03%	912
2021 Q1	$1.51M	Buy	20,523 +7,129	+53%	+$526K	0.09%	255
2020 Q4	$1.04M	Sell	13,394 -21,280	-61%	-$1.63M	0.08%	390
2020 Q3	$2.74M	Sell	34,674 -47,997	-58%	-$3.76M	0.09%	379
2020 Q2	$6.1M	Buy	+82,671	New	+$6.22M	0.16%	147
2019 Q4	–	Sell	-3,083	Closed	-$248K	–	1697
2019 Q3	$248K	Sell	3,083 -1,643	-35%	-$132K	﹤0.01%	1337
2019 Q2	$378K	Sell	4,726 -358	-7%	-$27.4K	0.01%	788
2019 Q1	$403K	Sell	5,084 -71,400	-93%	-$5.34M	0.01%	672
2018 Q4	$5.58M	Buy	+76,484	New	+$5.4M	0.12%	260
2018 Q2	–	Sell	-10,813	Closed	-$562K	–	1112
2018 Q1	$562K	Sell	10,813 -5,946	-35%	-$321K	0.02%	719
2017 Q4	$900K	Sell	16,759 -1,875	-10%	-$104K	0.03%	418
2017 Q3	$1.14M	Sell	18,634 -28,235	-60%	-$1.71M	0.04%	393
2017 Q2	$2.87M	Buy	46,869 +42,517	+977%	+$2.59M	0.08%	231
2017 Q1	$264K	Buy	4,352 +342	+9%	+$20.7K	0.01%	422
2016 Q4	$225K	Sell	4,010 -88,320	-96%	-$5.17M	0.01%	434
2016 Q3	$5.5M	Sell	92,330 -51,227	-36%	-$3M	0.09%	231
2016 Q2	$7.89M	Sell	143,557 -297,347	-67%	-$15.8M	0.13%	208
2016 Q1	$22.3M	Sell	440,904 -47,451	-10%	-$2.32M	0.24%	166
2015 Q4	$24.6M	Buy	488,355 +24,579	+5%	+$1.24M	0.22%	178
2015 Q3	$21.9M	Sell	463,776 -186,049	-29%	-$9.88M	0.17%	222
2015 Q2	$35.3M	Sell	649,825 -385,465	-37%	-$21.6M	0.32%	116
2015 Q1	$56.8M	Buy	1,035,290 +598,316	+137%	+$33.9M	0.45%	67
2014 Q4	$23.7M	Sell	436,974 -174,230	-29%	-$9.71M	0.29%	129
2014 Q3	$34.6M	Buy	611,204 +29,803	+5%	+$1.67M	0.25%	168
2014 Q2	$32.1M	Buy	+581,401	New	+$31.7M	0.22%	194

Other funds holding MRK

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Winton Group's MRK Position: Q4 2025 in Review

Winton Group sold out of Merck (MRK) in Q4 2025, closing a stake of 103,900 shares — an estimated $8.72M sold.

Winton Group first reported a position in MRK in Q2 2014 and held it in 37 quarters. The position peaked at $56.8M in Q1 2015. 3,660 funds tracked by Wall St. Rank hold MRK as of Q4 2025.

Winton Group reported no remaining Merck position as of Q4 2025 after selling out during the quarter.
Winton Group sold 103,900 Merck shares in Q4 2025, an estimated $8.72M.
Winton Group first reported a position in Merck in Q2 2014 and held it in 37 quarters.
Winton Group's Merck position peaked at $56.8M in Q1 2015.
3,660 funds tracked by Wall St. Rank held Merck as of Q4 2025.

Based on Winton Group's 13F filing for Q4 2025, filed 11 Feb 2026.