Driehaus Capital Management’s Merck MRK Stock Holding History

Driehaus Capital Management’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	$516K	Sell	4,287 -970	-18%	-$112K	﹤0.01%	339
2025 Q4	$553K	Buy	+5,257	New	+$493K	﹤0.01%	369
2023 Q4	–	Sell	-2,331	Closed	-$240K	–	428
2023 Q3	$240K	Sell	2,331 -1,211	-34%	-$131K	﹤0.01%	374
2023 Q2	$409K	Buy	+3,542	New	+$402K	0.01%	348
2022 Q3	–	Sell	-2,349	Closed	-$214K	–	385
2022 Q2	$214K	Buy	+2,349	New	+$208K	﹤0.01%	345
2020 Q1	–	Sell	-5,047	Closed	-$438K	–	483
2019 Q4	$438K	Buy	5,047 +936	+23%	+$76.9K	0.01%	416
2019 Q3	$330K	Buy	4,111 +914	+29%	+$73.3K	0.01%	436
2019 Q2	$256K	Sell	3,197 -222	-6%	-$17K	0.01%	430
2019 Q1	$271K	Sell	3,419 -44	-1%	-$3.29K	0.01%	365
2018 Q4	$252K	Buy	+3,463	New	+$244K	0.01%	381
2017 Q2	–	Sell	-7,755	Closed	-$470K	–	605
2017 Q1	$470K	Buy	+7,755	New	+$470K	0.02%	440

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

Driehaus Capital Management's MRK Position: Q1 2026 in Review

Driehaus Capital Management reduced its Merck (MRK) stake by 18% in Q1 2026, selling an estimated $112K and leaving 4,287 shares worth $516K. The position accounts for ﹤0.01% of the portfolio, ranked #339.

Driehaus Capital Management first reported a position in MRK in Q1 2017 and has held it in 11 quarters since. The position peaked at $553K in Q4 2025. 3,780 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

Driehaus Capital Management held 4,287 shares of Merck worth $516K as of Q1 2026.
Driehaus Capital Management sold 970 Merck shares in Q1 2026, an estimated $112K.
Merck made up ﹤0.01% of Driehaus Capital Management's portfolio in Q1 2026, its #339 holding.
Driehaus Capital Management first reported a position in Merck in Q1 2017 and has held it in 11 quarters since.
Driehaus Capital Management's Merck position peaked at $553K in Q4 2025.
3,780 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.