2,920 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, 1,277 increasing their positions, 1,197 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:

1.51% less ownership

Funds ownership: 66.17%64.66% (-1.5%)

2% less funds holding

Funds holding: 2,9852,920 (-65)

23% less call options, than puts

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

Holders
2,920
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
2251
$315K
2252
$315K
2253
$315K
2254
$315K
2255
$313K
2256
$313K
2257
$313K
2258
$312K
2259
$312K
2260
$312K
2261
$311K
2262
$310K
2263
$310K
2264
$309K
2265
$309K
2266
$309K
2267
$308K
2268
$308K
2269
$307K
2270
$307K
2271
$307K
2272
$306K
2273
$306K
2274
$306K
2275
$305K