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
1326
$1.27M
1327
$1.27M
1328
$1.26M
1329
$1.25M
1330
$1.25M
1331
$1.25M
1332
$1.25M
1333
$1.25M
1334
$1.24M
1335
$1.24M
1336
$1.23M
1337
$1.23M
1338
$1.23M
1339
$1.23M
1340
$1.22M
1341
$1.22M
1342
$1.22M
1343
$1.22M
1344
$1.22M
1345
$1.21M
1346
$1.21M
1347
$1.21M
1348
$1.21M
1349
$1.21M
1350
$1.21M