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
1276
$1.35M
1277
$1.35M
1278
$1.35M
1279
$1.35M
1280
$1.35M
1281
$1.34M
1282
$1.34M
1283
$1.34M
1284
$1.34M
1285
$1.34M
1286
$1.34M
1287
$1.33M
1288
$1.33M
1289
$1.33M
1290
$1.33M
1291
$1.33M
1292
$1.32M
1293
$1.32M
1294
$1.32M
1295
$1.32M
1296
$1.32M
1297
$1.32M
1298
$1.32M
1299
$1.31M
1300
$1.31M