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Rossby Financial’s Merck MRK Stock Holding History

Rossby Financial’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 		$889K Buy
7,355
+3,631
+98% +$419K 0.18% 112
2025
Q4 		$392K Buy
3,724
+1,644
+79% +$154K 0.12% 145
2025
Q3 		$187K Sell
2,080
-277
-12% -$22.8K 0.06% 298
2025
Q2 		$187K Sell
2,357
-120
-5% -$9.54K 0.07% 267
2025
Q1 		$205K Sell
2,477
-164
-6% -$15.3K 0.09% 222
2024
Q4 		$263K Buy
+2,641
New +$272K 0.16% 144

Other funds holding MRK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Rossby Financial's MRK Position: Q1 2026 in Review

Rossby Financial increased its Merck (MRK) stake by 98% in Q1 2026, buying an estimated $419K and bringing the position to 7,355 shares worth $889K. The position accounts for 0.18% of the portfolio, ranked #112.

Rossby Financial first reported a position in MRK in Q4 2024 and has held it in 6 quarters since. 3,777 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Rossby Financial held 7,355 shares of Merck worth $889K as of Q1 2026.
  • Rossby Financial bought 3,631 Merck shares in Q1 2026, an estimated $419K.
  • Merck made up 0.18% of Rossby Financial's portfolio in Q1 2026, its #112 holding.
  • Rossby Financial first reported a position in Merck in Q4 2024 and has held it in 6 quarters since.
  • 3,777 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Rossby Financial's 13F filing for Q1 2026, filed 11 May 2026.