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
2024 Q1	–	Sell	-12,000	Closed	-$345K	–	2719
2023 Q4	$345K	Hold	12,000	–	–	﹤0.01%	1846
2023 Q3	$398K	Sell	12,000 -46,500	-79%	-$1.64M	﹤0.01%	1789
2023 Q2	$2.15M	Sell	58,500 -175,100	-75%	-$6.82M	﹤0.01%	1371
2023 Q1	$9.53M	Buy	233,600 +138,300	+145%	+$5.97M	0.02%	732
2022 Q4	$4.88M	Sell	95,300 -259,900	-73%	-$12.5M	0.01%	1203
2022 Q3	$15.5M	Buy	355,200 +226,800	+177%	+$11M	0.03%	587
2022 Q2	$6.73M	Buy	128,400 +96,400	+301%	+$4.91M	0.01%	1143
2022 Q1	$1.66M	Sell	32,000 -208,100	-87%	-$10.8M	﹤0.01%	2172
2021 Q4	$14.2M	Buy	+240,100	New	+$11.9M	0.03%	640

Other funds holding PFE

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

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.