CenterBook Partners’s Pfizer PFE Stock Holding History

CenterBook Partners’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	$11.1M	Buy	459,030 +311,134	+210%	+$8.14M	0.54%	32
2026 Q1	$4.15M	Sell	147,896 -27,727	-16%	-$738K	0.22%	120
2025 Q4	$4.37M	Sell	175,623 -320,978	-65%	-$8.09M	0.21%	125
2025 Q3	$12.7M	Buy	496,601 +367,145	+284%	+$9.06M	0.63%	31
2025 Q2	$3.14M	Sell	129,456 -122,685	-49%	-$2.86M	0.17%	153
2025 Q1	$6.39M	Buy	252,141 +190,144	+307%	+$4.98M	0.41%	69
2024 Q4	$1.64M	Sell	61,997 -245,797	-80%	-$6.67M	0.1%	239
2024 Q3	$8.91M	Sell	307,794 -96,374	-24%	-$2.81M	0.55%	47
2024 Q2	$11.3M	Buy	+404,168	New	+$11.1M	0.7%	20
2022 Q1	–	Sell	-4,007	Closed	-$237K	–	371
2021 Q4	$237K	Buy	+4,007	New	+$199K	0.14%	248

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

CenterBook Partners's PFE Position: Q2 2026 in Review

CenterBook Partners increased its Pfizer (PFE) stake by 210% in Q2 2026, buying an estimated $8.14M and bringing the position to 459,030 shares worth $11.1M. The position accounts for 0.54% of the portfolio, ranked #32.

CenterBook Partners first reported a position in PFE in Q4 2021 and has held it in 10 quarters since. The position peaked at $12.7M in Q3 2025. 2,822 funds tracked by Wall St. Rank hold PFE as of Q2 2026.

CenterBook Partners held 459,030 shares of Pfizer worth $11.1M as of Q2 2026.
CenterBook Partners bought 311,134 Pfizer shares in Q2 2026, an estimated $8.14M.
Pfizer made up 0.54% of CenterBook Partners's portfolio in Q2 2026, its #32 holding.
CenterBook Partners first reported a position in Pfizer in Q4 2021 and has held it in 10 quarters since.
CenterBook Partners's Pfizer position peaked at $12.7M in Q3 2025.
2,822 funds tracked by Wall St. Rank held Pfizer as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.