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
Q2 		$50.6M Buy
2,100,000
+1,600,000
+320% +$41.9M 0.04% 375
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 $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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Marshall Wace's PFE Position: Q2 2026 in Review

Marshall Wace reduced its Pfizer (PFE) stake by 95% in Q2 2026, selling an estimated $400M and leaving 802,396 shares worth $19.3M. The position accounts for 0.02% of the portfolio, ranked #741.

Marshall Wace first reported a position in PFE in Q1 2014 and has held it in 43 quarters since. The position peaked at $452M in Q1 2026. 2,827 funds tracked by Wall St. Rank hold PFE as of Q2 2026.

  • Marshall Wace held 802,396 shares of Pfizer worth $19.3M as of Q2 2026.
  • Marshall Wace sold 15,280,392 Pfizer shares in Q2 2026, an estimated $400M.
  • Pfizer made up 0.02% of Marshall Wace's portfolio in Q2 2026, its #741 holding.
  • Marshall Wace first reported a position in Pfizer in Q1 2014 and has held it in 43 quarters since.
  • Marshall Wace's Pfizer position peaked at $452M in Q1 2026.
  • 2,827 funds tracked by Wall St. Rank held Pfizer as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.