PFE — PFIZER INC

Ownership history in Twin Tree Management, LP  ·  90 quarters on record

This page tracks every 13F SEC filing in which Twin Tree Management, LP reported a position in PFIZER INC (PFE). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.83% (2017 Q1)
Avg. % of fund
0.12%
First filed
2014 Q1
Last filed
2025 Q4
Quarters held
90
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 1,384,100 +343,100 +33.0% 0.30% $34.5M $24.49
2025 Q4 ADDED 1,041,000 +749,600 +257.2% 0.23% $25.9M $24.49
2025 Q3 REDUCED 291,400 -1,270,800 -81.3% 0.03% $7.4M $24.63
2025 Q3 REDUCED 1,562,200 -174,600 -10.1% 0.17% $39.8M $24.63
86 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    PFE price (monthly, adj. close)

Other funds also holding PFE

As of 2025 Q4 — sorted by position size

Talaria Asset Management Pty Ltd 8.49% Patrick Mauro Investment Advisor, INC. 3Y 6.24% SECTOR GAMMA AS 3Y 7Y 4.88% WILSEY ASSET MANAGEMENT INC 3Y 7Y 4.62% CONTINENTAL ADVISORS LLC 3Y 7Y 4.22% Round Hill Asset Management 3Y 7Y 3.88% Corecam Pte. Ltd. 3.82% America First Investment Advisors, LLC 3Y 7Y 3.79% Drystone LLC 3Y 3.72% Socorro Asset Management LP 3Y 3.68%
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