Holocene Advisors’s Merck MRK Stock Holding History

Holocene Advisors’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
2026 Q2	$80.7M	Buy	628,000 +55,533	+10%	+$6.5M	0.18%	150
2026 Q1	$68.9M	Sell	572,467 -313,293	-35%	-$36.2M	0.17%	149
2025 Q4	$93.2M	Buy	885,760 +239,749	+37%	+$22.5M	0.2%	137
2025 Q3	$54.2M	Buy	+646,011	New	+$53.2M	0.12%	164
2025 Q2	–	Sell	-149,521	Closed	-$13.4M	–	838
2025 Q1	$13.4M	Buy	+149,521	New	+$14M	0.04%	268
2024 Q3	–	Sell	-2,486,403	Closed	-$308M	–	807
2024 Q2	$308M	Buy	2,486,403 +2,484,447	+127,017%	+$320M	1.29%	11
2024 Q1	$258K	Sell	1,956 -468,909	-100%	-$57.8M	﹤0.01%	689
2023 Q4	$51.3M	Buy	+470,865	New	+$48.9M	0.2%	149
2022 Q4	–	Sell	-1,588,150	Closed	-$137M	–	829
2022 Q3	$137M	Sell	1,588,150 -561,898	-26%	-$50.2M	0.87%	25
2022 Q2	$196M	Buy	2,150,048 +299,087	+16%	+$26.5M	1.18%	7
2022 Q1	$152M	Buy	+1,850,961	New	+$146M	0.79%	31
2020 Q1	–	Sell	-415,728	Closed	-$36.1M	–	765
2019 Q4	$36.1M	Buy	+415,728	New	+$34.1M	0.32%	99
2018 Q2	–	Sell	-4,852	Closed	-$252K	–	668
2018 Q1	$252K	Sell	4,852 -6,769	-58%	-$366K	0.01%	439
2017 Q4	$624K	Buy	+11,621	New	+$644K	0.02%	343

Other funds holding MRK

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

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

Holocene Advisors's MRK Position: Q2 2026 in Review

Holocene Advisors increased its Merck (MRK) stake by 9.7% in Q2 2026, buying an estimated $6.5M and bringing the position to 628,000 shares worth $80.7M. The position accounts for 0.18% of the portfolio, ranked #150.

Holocene Advisors first reported a position in MRK in Q4 2017 and has held it in 14 quarters since. The position peaked at $308M in Q2 2024. 3,849 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

Holocene Advisors held 628,000 shares of Merck worth $80.7M as of Q2 2026.
Holocene Advisors bought 55,533 Merck shares in Q2 2026, an estimated $6.5M.
Merck made up 0.18% of Holocene Advisors's portfolio in Q2 2026, its #150 holding.
Holocene Advisors first reported a position in Merck in Q4 2017 and has held it in 14 quarters since.
Holocene Advisors's Merck position peaked at $308M in Q2 2024.
3,849 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.