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Starboard Value’s Pfizer PFE Stock Holding History

Starboard Value’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
Q3 		– Sell
-8,542,149
Closed -$207M – 23
2025
Q2 		$207M Buy
8,542,149
+811,149
+10% +$18.9M 3.59% 14
2025
Q1 		$196M Sell
7,731,000
-7,637,658
-50% -$200M 3.56% 14
2024
Q4 		$408M Buy
+15,368,658
New +$417M 7.38% 5

Other funds holding PFE

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $146B AUM 55.73% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Starboard Value's PFE Position: Q3 2025 in Review

Starboard Value sold out of Pfizer (PFE) in Q3 2025, closing a stake of 8,542,149 shares — an estimated $207M sold.

Starboard Value first reported a position in PFE in Q4 2024 and held it in 3 quarters. The position peaked at $408M in Q4 2024. 2,817 funds tracked by Wall St. Rank hold PFE as of Q3 2025.

  • Starboard Value reported no remaining Pfizer position as of Q3 2025 after selling out during the quarter.
  • Starboard Value sold 8,542,149 Pfizer shares in Q3 2025, an estimated $207M.
  • Starboard Value first reported a position in Pfizer in Q4 2024 and held it in 3 quarters.
  • Starboard Value's Pfizer position peaked at $408M in Q4 2024.
  • 2,817 funds tracked by Wall St. Rank held Pfizer as of Q3 2025.

Based on Starboard Value's 13F filing for Q3 2025, filed 14 Nov 2025.