PEAK6’s Pfizer PFE Stock Holding History

PEAK6’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
2025 Q4	–	Sell	-1,000	Closed	-$25.5K	–	3257
2025 Q3	$25.5K	Sell	1,000 -12,300	-92%	-$304K	﹤0.01%	2725
2025 Q2	$322K	Buy	13,300 +800	+6%	+$18.7K	﹤0.01%	2296
2025 Q1	$317K	Sell	12,500 -94,100	-88%	-$2.46M	﹤0.01%	2258
2024 Q4	$2.83M	Buy	+106,600	New	+$2.89M	0.01%	1223

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

PEAK6's PFE Position: Q1 2026 in Review

PEAK6 sold out of Pfizer (PFE) in Q1 2026, closing a stake of 22,428 shares — an estimated $558K sold.

PEAK6 first reported a position in PFE in Q4 2024 and held it in 5 quarters. The position peaked at $558K in Q4 2025. 2,936 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

PEAK6 reported no remaining Pfizer position as of Q1 2026 after selling out during the quarter.
PEAK6 sold 22,428 Pfizer shares in Q1 2026, an estimated $558K.
PEAK6 first reported a position in Pfizer in Q4 2024 and held it in 5 quarters.
PEAK6's Pfizer position peaked at $558K in Q4 2025.
2,936 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.