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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
2376
$267K
2377
$267K
2378
$265K
2379
$265K
2380
$264K
2381
$263K
2382
$263K
2383
$262K
2384
$262K
2385
$262K
2386
$262K
2387
$261K
2388
$261K
2389
$261K
2390
$261K
2391
$260K
2392
$260K
2393
$260K
2394
$260K
2395
$259K
2396
$259K
2397
$259K
2398
$259K
2399
$259K
2400
$259K