2,918 hedge funds and large institutions have $131B invested in Pfizer in 2023 Q3 according to their latest regulatory filings, with 126 funds opening new positions, 1,183 increasing their positions, 1,381 reducing their positions, and 207 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

14% less repeat investments, than reductions

Existing positions increased: 1,183 | Existing positions reduced: 1,381

39% less first-time investments, than exits

New positions opened: 126 | Existing positions closed: 207

Holders
2,918
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
52
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.44B
Puts
$2.65B
Net Calls
Net Calls Change

Top Buyers

1 +$581M
2 +$332M
3 +$287M
4
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$251M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$236M

Top Sellers

1 -$595M
2 -$414M
3 -$354M
4
Bank of America
Bank of America
North Carolina
-$263M
5
BlackRock
BlackRock
New York
-$220M
Name Holding Trade Value Shares
Change
Change in
Stake
1901
$656K
1902
$655K
1903
$654K
1904
$654K
1905
$653K
1906
$653K
1907
$653K
1908
$652K
1909
$652K
1910
$651K
1911
$649K
1912
$649K
1913
$648K
1914
$648K
1915
$648K
1916
$648K
1917
$647K
1918
$645K
1919
$644K
1920
$644K
1921
$643K
1922
$643K
1923
$642K
1924
$642K
1925
$641K