Deerfield Management’s Pfizer PFE Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$85.4M Buy
+3,040,000
New +$80.9M 1.01% 32
2025
Q4
Sell
-3,303,790
Closed -$84.2M 171
2025
Q3
$84.2M Sell
3,303,790
-1,002,474
-23% -$24.7M 1.29% 23
2025
Q2
$104M Buy
4,306,264
+958,968
+29% +$22.4M 1.89% 16
2025
Q1
$84.8M Buy
+3,347,296
New +$87.6M 1.67% 18
2016
Q2
Sell
-26,350
Closed -$741K 113
2016
Q1
$741K Buy
+26,350
New +$753K 0.03% 99
2013
Q4
Sell
-1,902,470
Closed -$51.8M 121
2013
Q3
$51.8M Sell
1,902,470
-52,700
-3% -$1.43M 2.41% 6
2013
Q2
$52M Buy
+1,955,170
New +$54M 2.45% 7

Other funds holding PFE

Deerfield Management's PFE Position: Q1 2026 in Review

Deerfield Management opened a new position in Pfizer (PFE) in Q1 2026: 3,040,000 shares worth $85.4M. The stake represents 1.01% of the portfolio and ranks #32 among its holdings. This is a return to the name: Deerfield Management previously reported a position in PFE as recently as Q3 2025.

Deerfield Management first reported a position in PFE in Q2 2013 and has held it in 7 quarters since. The position peaked at $104M in Q2 2025. 2,934 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Deerfield Management held 3,040,000 shares of Pfizer worth $85.4M as of Q1 2026.
  • Pfizer was a new Deerfield Management position in Q1 2026.
  • Pfizer made up 1.01% of Deerfield Management's portfolio in Q1 2026, its #32 holding.
  • Deerfield Management first reported a position in Pfizer in Q2 2013 and has held it in 7 quarters since.
  • Deerfield Management's Pfizer position peaked at $104M in Q2 2025.
  • 2,934 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Deerfield Management's 13F filing for Q1 2026, filed 15 May 2026.