Tamarack Advisers, LP - PFIZER INC ownership

PFIZER INC's ticker is and the CUSIP is 717081903. A total of 12 filers reported holding PFIZER INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Tamarack Advisers, LP ownership history of PFIZER INC
ValueSharesWeighting
Q2 2021$84,0003,5000.02%
Other shareholders
PFIZER INC shareholders Q3 2021
NameSharesValueWeighting ↓
METROPOLITAN CAPITAL ADVISORS INC 414,700$12,263,00011.10%
ALTFEST L J & CO INC 79,401$2,320,0002.28%
Iguana Healthcare Management, LLC 100,000$2,957,0001.58%
SABBY MANAGEMENT, LLC 5,160$15,258,0000.59%
Marathon Trading Investment Management LLC 353,000$10,258,0000.28%
Timber Hill LLC 1,492,200$44,124,0000.18%
PEAK6 Group LLC 470,500$13,913,0000.11%
COMMERZBANK AKTIENGESELLSCHAFT /FI 850,000$25,135,0000.10%
Laurion Capital Management LP 150,000$4,436,0000.10%
Virtu KCG Holdings LLC 99,600$2,945,0000.06%
View complete list of PFIZER INC shareholders