William Blair Investment Management
MRK icon

William Blair Investment Management’s Merck MRK Stock Holding History

William Blair 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
2024
Q4 		– Sell
-272,247
Closed -$30.9M – 449
2024
Q3 		$30.9M Buy
272,247
+33,950
+14% +$4.03M 0.08% 228
2024
Q2 		$29.5M Buy
+238,297
New +$30.7M 0.08% 224
2017
Q3 		– Sell
-52,098
Closed -$3.19M – 449
2017
Q2 		$3.19M Sell
52,098
-6,030
-10% -$367K 0.01% 382
2017
Q1 		$3.52M Buy
+58,128
New +$3.53M 0.01% 367

Other funds holding MRK

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 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
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

William Blair Investment Management's MRK Position: Q4 2024 in Review

William Blair Investment Management sold out of Merck (MRK) in Q4 2024, closing a stake of 272,247 shares — an estimated $30.9M sold.

William Blair Investment Management first reported a position in MRK in Q1 2017 and held it in 4 quarters. The position peaked at $30.9M in Q3 2024. 3,608 funds tracked by Wall St. Rank hold MRK as of Q4 2024.

  • William Blair Investment Management reported no remaining Merck position as of Q4 2024 after selling out during the quarter.
  • William Blair Investment Management sold 272,247 Merck shares in Q4 2024, an estimated $30.9M.
  • William Blair Investment Management first reported a position in Merck in Q1 2017 and held it in 4 quarters.
  • William Blair Investment Management's Merck position peaked at $30.9M in Q3 2024.
  • 3,608 funds tracked by Wall St. Rank held Merck as of Q4 2024.

Based on William Blair Investment Management's 13F filing for Q4 2024, filed 10 Feb 2025.