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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
526
$6.93M
527
$6.89M
528
$6.84M
529
$6.74M
530
$6.73M
531
$6.73M
532
$6.72M
533
$6.71M
534
$6.69M
535
$6.68M
536
$6.67M
537
$6.66M
538
$6.64M
539
$6.62M
540
$6.62M
541
$6.61M
542
$6.6M
543
$6.59M
544
$6.59M
545
$6.58M
546
$6.57M
547
$6.54M
548
$6.53M
549
$6.52M
550
$6.49M