2,902 hedge funds and large institutions have $95B invested in Pfizer in 2025 Q1 according to their latest regulatory filings, with 177 funds opening new positions, 1,269 increasing their positions, 1,190 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:

1.53% less ownership

Funds ownership: 66.09%64.56% (-1.5%)

2% less funds holding

Funds holding: 2,9722,902 (-70)

23% less call options, than puts

Call options by funds: $2.97B | Put options by funds: $3.87B

Holders
2,902
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.97B
Puts
$3.87B
Net Calls
Net Calls Change

Top Buyers

1 +$920M
2 +$568M
3 +$455M
4
Amundi
Amundi
France
+$383M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$331M

Top Sellers

1 -$2.72B
2 -$925M
3 -$415M
4
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$252M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$231M
Name Holding Trade Value Shares
Change
Change in
Stake
2376
$259K
2377
$259K
2378
$259K
2379
$259K
2380
$259K
2381
$259K
2382
$259K
2383
$259K
2384
$258K
2385
$258K
2386
$258K
2387
$257K
2388
$257K
2389
$256K
2390
$255K
2391
$255K
2392
$254K
2393
$254K
2394
$254K
2395
$254K
2396
$253K
2397
$252K
2398
$252K
2399
$252K
2400
$252K