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Diadema Partners’s Merck MRK Stock Holding History

Diadema Partners’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 		$12M Buy
+100,000
New +$11.5M 2.05% 14

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

Diadema Partners's MRK Position: Q3 2025 in Review

Diadema Partners sold out of Merck (MRK) in Q3 2025, closing a stake of 20,000 shares — an estimated $1.58M sold.

Diadema Partners first reported a position in MRK in Q2 2025 and held it in 1 quarter. The position peaked at $1.58M in Q2 2025. 3,309 funds tracked by Wall St. Rank hold MRK as of Q3 2025.

  • Diadema Partners reported no remaining Merck position as of Q3 2025 after selling out during the quarter.
  • Diadema Partners sold 20,000 Merck shares in Q3 2025, an estimated $1.58M.
  • Diadema Partners first reported a position in Merck in Q2 2025 and held it in 1 quarter.
  • Diadema Partners's Merck position peaked at $1.58M in Q2 2025.
  • 3,309 funds tracked by Wall St. Rank held Merck as of Q3 2025.

Based on Diadema Partners's 13F filing for Q3 2025, filed 14 Nov 2025.