Marshall Wace
PFE icon

Marshall Wace’s Pfizer PFE Stock Holding History

Marshall Wace’s Portfolio PFE Stock Details PFE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$14M Sell
500,000
-1,300,000
-72% -$34.6M 0.01% 825
2025
Q4 		$44.8M Buy
1,800,000
+1,123,400
+166% +$28.3M 0.04% 369
2025
Q3 		$17.2M Buy
+676,600
New +$16.7M 0.02% 717
2024
Q2 		– Sell
-3,000,000
Closed -$85.1M – 2857
2024
Q1 		$85.1M Buy
+3,000,000
New +$83.2M 0.13% 153
2023
Q3 		– Sell
-110,700
Closed -$4.06M – 2558
2023
Q2 		$4.06M Buy
110,700
+20,800
+23% +$810K 0.01% 1111
2023
Q1 		$3.67M Sell
89,900
-222,800
-71% -$9.62M 0.01% 1144
2022
Q4 		$16M Buy
312,700
+2,400
+0.8% +$115K 0.04% 557
2022
Q3 		$13.6M Buy
310,300
+62,700
+25% +$3.05M 0.03% 657
2022
Q2 		$13M Buy
247,600
+214,200
+641% +$10.9M 0.03% 696
2022
Q1 		$1.73M Sell
33,400
-447,500
-93% -$23.2M ﹤0.01% 2143
2021
Q4 		$28.4M Buy
480,900
+380,100
+377% +$18.8M 0.05% 368
2021
Q3 		$4.33M Buy
+100,800
New +$4.47M 0.02% 1018

Other funds holding PFE

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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fisher Asset Management
Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return

Marshall Wace's PFE Position: Q1 2026 in Review

Marshall Wace increased its Pfizer (PFE) stake by 27% in Q1 2026, buying an estimated $91.1M and bringing the position to 16,082,788 shares worth $452M. The position accounts for 0.45% of the portfolio, ranked #22.

Marshall Wace first reported a position in PFE in Q1 2014 and has held it in 42 quarters since. 2,936 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Marshall Wace held 16,082,788 shares of Pfizer worth $452M as of Q1 2026.
  • Marshall Wace bought 3,420,874 Pfizer shares in Q1 2026, an estimated $91.1M.
  • Pfizer made up 0.45% of Marshall Wace's portfolio in Q1 2026, its #22 holding.
  • Marshall Wace first reported a position in Pfizer in Q1 2014 and has held it in 42 quarters since.
  • 2,936 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.