PHS
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PFM Health Sciences’s Merck MRK Stock Holding History

PFM Health Sciences’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
2016
Q3 		– Sell
-2,506,921
Closed -$138M – 99
2016
Q2 		$138M Buy
+2,506,921
New +$133M 4.16% 1
2015
Q4 		– Sell
-1,363,762
Closed -$1.75M – 80
2015
Q3 		$1.75M Buy
+1,363,762
New +$72.4M 0.05% 64

Other funds holding MRK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

PFM Health Sciences's MRK Position: Q2 2026 in Review

PFM Health Sciences opened a new position in Merck (MRK) in Q2 2026: 127,118 shares worth $16.3M. The stake represents 1.4% of the portfolio and ranks #20 among its holdings. This is a return to the name: PFM Health Sciences previously reported a position in MRK as recently as Q4 2025.

PFM Health Sciences first reported a position in MRK in Q2 2013 and has held it in 18 quarters since. The position peaked at $88.6M in Q2 2022. 3,833 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

  • PFM Health Sciences held 127,118 shares of Merck worth $16.3M as of Q2 2026.
  • Merck was a new PFM Health Sciences position in Q2 2026.
  • Merck made up 1.4% of PFM Health Sciences's portfolio in Q2 2026, its #20 holding.
  • PFM Health Sciences first reported a position in Merck in Q2 2013 and has held it in 18 quarters since.
  • PFM Health Sciences's Merck position peaked at $88.6M in Q2 2022.
  • 3,833 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on PFM Health Sciences's 13F filing for Q2 2026, filed 14 Aug 2026.