CJ
MRK icon

Caitlin John’s Merck MRK Stock Holding History

Caitlin John’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 		$380K Sell
3,156
-665
-17% -$76.8K 0.23% 80
2025
Q4 		$402K Sell
3,821
-875
-19% -$82.1K 0.26% 83
2025
Q3 		$394K Buy
4,696
+745
+19% +$61.4K 0.27% 83
2025
Q2 		$313K Buy
3,951
+650
+20% +$51.7K 0.28% 92
2025
Q1 		$296K Sell
3,301
-474
-13% -$44.3K 0.29% 91
2024
Q4 		$376K Sell
3,775
-712
-16% -$73.4K 0.25% 90
2024
Q3 		$442K Buy
4,487
+4,292
+2,201% +$510K 0.28% 85
2024
Q2 		$24.1K Sell
195
-3,863
-95% -$498K 0.02% 335
2024
Q1 		$535K Buy
4,058
+80
+2% +$9.86K 0.4% 57
2023
Q4 		$437K Buy
+3,978
New +$413K 0.36% 63

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

Caitlin John's MRK Position: Q1 2026 in Review

Caitlin John reduced its Merck (MRK) stake by 17% in Q1 2026, selling an estimated $76.8K and leaving 3,156 shares worth $380K. The position accounts for 0.23% of the portfolio, ranked #80.

Caitlin John first reported a position in MRK in Q4 2023 and has held it in 10 quarters since. The position peaked at $535K in Q1 2024. 3,775 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

  • Caitlin John held 3,156 shares of Merck worth $380K as of Q1 2026.
  • Caitlin John sold 665 Merck shares in Q1 2026, an estimated $76.8K.
  • Merck made up 0.23% of Caitlin John's portfolio in Q1 2026, its #80 holding.
  • Caitlin John first reported a position in Merck in Q4 2023 and has held it in 10 quarters since.
  • Caitlin John's Merck position peaked at $535K in Q1 2024.
  • 3,775 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on Caitlin John's 13F filing for Q1 2026, filed 13 May 2026.