2,903 hedge funds and large institutions have $95.1B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 178 funds opening new positions, 1,269 increasing their positions, 1,190 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: 66.09%64.62% (-1.5%)

2% less funds holding

Funds holding: 2,9722,903 (-69)

23% less call options, than puts

Call options by funds: $2.97B | Put options by funds: $3.87B

Holders
2,903
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.97B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$920M
2 +$568M
3 +$455M
4
Amundi
Amundi
France
+$383M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$331M

Top Sellers

1 -$2.72B
2 -$925M
3 -$415M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$252M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$231M
Name Holding Trade Value Shares
Change
Change in
Stake
2226
$322K
2227
$322K
2228
$321K
2229
$320K
2230
$320K
2231
$320K
2232
$319K
2233
$319K
2234
$318K
2235
$318K
2236
$317K
2237
$317K
2238
$317K
2239
$316K
2240
$316K
2241
$315K
2242
$315K
2243
$315K
2244
$315K
2245
$313K
2246
$313K
2247
$313K
2248
$312K
2249
$312K
2250
$312K