Marathon Trading Investment Management’s Merck MRK Stock Holding History

Marathon Trading Investment 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	$231K	Buy	+1,921	New	+$222K	0.01%	171
2025 Q4	–	Sell	-15,121	Closed	-$1.27M	–	384
2025 Q3	$1.27M	Sell	15,121 -18,100	-54%	-$1.49M	0.09%	98
2025 Q2	$2.63M	Buy	33,221 +32,951	+12,204%	+$2.62M	0.31%	58
2025 Q1	$24.2K	Sell	270 -2,430	-90%	-$227K	﹤0.01%	319
2024 Q4	$269K	Sell	2,700 -1,612	-37%	-$166K	0.01%	191
2024 Q3	$490K	Buy	4,312 +3,682	+584%	+$437K	0.04%	147
2024 Q2	$78K	Buy	+630	New	+$81.2K	0.01%	227
2023 Q2	–	Sell	-128	Closed	-$14.5K	–	295
2023 Q1	$13.6K	Buy	+128	New	+$13.8K	﹤0.01%	240
2019 Q2	–	Sell	-28,401	Closed	-$2.25M	–	262
2019 Q1	$2.25M	Buy	+28,401	New	+$2.12M	0.26%	79
2015 Q1	–	Sell	-31,650	Closed	-$1.72M	–	562
2014 Q4	$1.72M	Buy	+31,650	New	+$1.76M	0.02%	277

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

Marathon Trading Investment Management's MRK Position: Q1 2026 in Review

Marathon Trading Investment Management opened a new position in Merck (MRK) in Q1 2026: 1,921 shares worth $231K. The stake represents 0.01% of the portfolio and ranks #171 among its holdings. This is a return to the name: Marathon Trading Investment Management previously reported a position in MRK as recently as Q3 2025.

Marathon Trading Investment Management first reported a position in MRK in Q4 2014 and has held it in 10 quarters since. The position peaked at $2.63M in Q2 2025. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

Marathon Trading Investment Management held 1,921 shares of Merck worth $231K as of Q1 2026.
Merck was a new Marathon Trading Investment Management position in Q1 2026.
Merck made up 0.01% of Marathon Trading Investment Management's portfolio in Q1 2026, its #171 holding.
Marathon Trading Investment Management first reported a position in Merck in Q4 2014 and has held it in 10 quarters since.
Marathon Trading Investment Management's Merck position peaked at $2.63M in Q2 2025.
3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Marathon Trading Investment Management's 13F filing for Q1 2026, filed 14 May 2026.