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2,926 hedge funds and large institutions have $97.4B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 179 funds opening new positions, 1,280 increasing their positions, 1,199 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:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

6% less first-time investments, than exits

New positions opened: 179 | Existing positions closed: 190

2% less funds holding

Funds holding: 2,9902,926 (-64)

23% less call options, than puts

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

Holders
2,926
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
2276
$307K
2277
$307K
2278
$306K
2279
$306K
2280
$306K
2281
$305K
2282
$305K
2283
$305K
2284
$304K
2285
$304K
2286
$304K
2287
$303K
2288
$303K
2289
$302K
2290
$302K
2291
$302K
2292
$302K
2293
$302K
2294
$302K
2295
$302K
2296
$301K
2297
$300K
2298
$300K
2299
$300K
2300
$299K