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	$24.1K	Buy	+200	New	+$23.1K	﹤0.01%	250
2025 Q2	–	Sell	-3,600	Closed	-$323K	–	337
2025 Q1	$323K	Buy	3,600 +2,300	+177%	+$215K	0.04%	177
2024 Q4	$129K	Buy	+1,300	New	+$134K	0.01%	238
2024 Q1	–	Sell	-1,900	Closed	-$207K	–	439
2023 Q4	$207K	Sell	1,900 -1,100	-37%	-$114K	0.01%	268
2023 Q3	$309K	Hold	3,000	–	–	0.03%	189
2023 Q2	$346K	Sell	3,000 -1,800	-38%	-$204K	0.03%	149
2023 Q1	$511K	Buy	4,800 +100	+2%	+$10.8K	0.04%	132
2022 Q4	$521K	Buy	+4,700	New	+$480K	0.06%	130
2021 Q1	–	Sell	-18,864	Closed	-$1.47M	–	467
2020 Q4	$1.47M	Buy	+18,864	New	+$1.44M	0.08%	123
2019 Q1	–	Sell	-18,864	Closed	-$1.38M	–	268
2018 Q4	$1.38M	Buy	+18,864	New	+$1.33M	0.08%	116
2015 Q1	–	Sell	-182,562	Closed	-$9.89M	–	561
2014 Q4	$9.89M	Buy	+182,562	New	+$10.2M	0.14%	93

Other funds holding MRK

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 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. 3,790 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.
3,790 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.