2,916 hedge funds and large institutions have $95.1B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 177 funds opening new positions, 1,275 increasing their positions, 1,196 reducing their positions, and 190 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less capital invested

Capital invested by funds: $ → $

less first-time investments, than exits

New positions opened: | Existing positions closed:

1.47% less ownership

Funds ownership: 66.11%64.64% (-1.5%)

2% less funds holding

Funds holding: 2,9822,916 (-66)

23% less call options, than puts

Call options by funds: $2.98B | Put options by funds: $3.87B

Holders
2,916
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
44
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.98B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$950M
2 +$587M
3 +$470M
4
Amundi
Amundi
France
+$412M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$342M

Top Sellers

1 -$2.81B
2 -$955M
3 -$429M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$261M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$239M
Name Holding Trade Value Shares
Change
Change in
Stake
1601
$774K
1602
$774K
1603
$771K
1604
$770K
1605
$766K
1606
$764K
1607
$763K
1608
$763K
1609
$761K
1610
$759K
1611
$757K
1612
$756K
1613
$755K
1614
$753K
1615
$753K
1616
$753K
1617
$752K
1618
$751K
1619
$750K
1620
$750K
1621
$750K
1622
$750K
1623
$748K
1624
$748K
1625
$748K