Atom Investors’s Pfizer PFE Stock Holding History

Atom Investors’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	$4.95M	Buy	176,255 +8,984	+5%	+$239K	0.35%	82
2025 Q4	$4.17M	Buy	167,271 +118,463	+243%	+$2.99M	0.33%	98
2025 Q3	$1.24M	Sell	48,808 -64,536	-57%	-$1.59M	0.09%	221
2025 Q2	$2.75M	Buy	+113,344	New	+$2.64M	0.24%	118
2023 Q4	–	Sell	-58,838	Closed	-$1.95M	–	527
2023 Q3	$1.95M	Buy	58,838 +27,025	+85%	+$956K	0.45%	50
2023 Q2	$1.17M	Buy	+31,813	New	+$1.24M	0.44%	50
2019 Q2	–	Sell	-54,235	Closed	-$2.19M	–	571
2019 Q1	$2.19M	Buy	+54,235	New	+$2.17M	0.18%	128

Other funds holding PFE

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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 Camas, Washington $295B AUM 31.6% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return

Atom Investors's PFE Position: Q1 2026 in Review

Atom Investors increased its Pfizer (PFE) stake by 5.4% in Q1 2026, buying an estimated $239K and bringing the position to 176,255 shares worth $4.95M. The position accounts for 0.35% of the portfolio, ranked #82.

Atom Investors first reported a position in PFE in Q1 2019 and has held it in 7 quarters since. 2,939 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

Atom Investors held 176,255 shares of Pfizer worth $4.95M as of Q1 2026.
Atom Investors bought 8,984 Pfizer shares in Q1 2026, an estimated $239K.
Pfizer made up 0.35% of Atom Investors's portfolio in Q1 2026, its #82 holding.
Atom Investors first reported a position in Pfizer in Q1 2019 and has held it in 7 quarters since.
2,939 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.