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Senator Investment Group’s Pfizer PFE Stock Holding History

Senator Investment Group’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 		– Sell
-1,250,000
Closed -$35.1M – 81
2026
Q1 		$35.1M Buy
+1,250,000
New +$33.3M 1.61% 26
2016
Q2 		– Sell
-15,810,000
Closed -$445M – 61
2016
Q1 		$445M Buy
15,810,000
+8,959,000
+131% +$256M 5.86% 2
2015
Q4 		$210M Buy
+6,851,000
New +$216M 2.62% 14

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

Senator Investment Group's PFE Position: Q2 2026 in Review

Senator Investment Group sold out of Pfizer (PFE) in Q2 2026, closing a stake of 1,250,000 shares — an estimated $35.1M sold.

Senator Investment Group first reported a position in PFE in Q4 2015 and held it in 3 quarters. The position peaked at $445M in Q1 2016. 2,818 funds tracked by Wall St. Rank hold PFE as of Q2 2026.

  • Senator Investment Group reported no remaining Pfizer position as of Q2 2026 after selling out during the quarter.
  • Senator Investment Group sold 1,250,000 Pfizer shares in Q2 2026, an estimated $35.1M.
  • Senator Investment Group first reported a position in Pfizer in Q4 2015 and held it in 3 quarters.
  • Senator Investment Group's Pfizer position peaked at $445M in Q1 2016.
  • 2,818 funds tracked by Wall St. Rank held Pfizer as of Q2 2026.

Based on Senator Investment Group's 13F filing for Q2 2026, filed 12 Aug 2026.