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 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 $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Holocene Advisors's MRK Position: Q1 2026 in Review

Holocene Advisors reduced its Merck (MRK) stake by 35% in Q1 2026, selling an estimated $36.2M and leaving 572,467 shares worth $68.9M. The position accounts for 0.17% of the portfolio, ranked #149.

Holocene Advisors first reported a position in MRK in Q4 2017 and has held it in 13 quarters since. The position peaked at $308M in Q2 2024. 3,782 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

Holocene Advisors held 572,467 shares of Merck worth $68.9M as of Q1 2026.
Holocene Advisors sold 313,293 Merck shares in Q1 2026, an estimated $36.2M.
Merck made up 0.17% of Holocene Advisors's portfolio in Q1 2026, its #149 holding.
Holocene Advisors first reported a position in Merck in Q4 2017 and has held it in 13 quarters since.
Holocene Advisors's Merck position peaked at $308M in Q2 2024.
3,782 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Holocene Advisors's 13F filing for Q1 2026, filed 15 May 2026.