2,876 hedge funds and large institutions have $92.8B invested in Pfizer in 2025 Q4 according to their latest regulatory filings, with 308 funds opening new positions, 1,071 increasing their positions, 1,261 reducing their positions, and 169 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

14% less funds holding in top 10

Funds holding in top 10: 3530 (-5)

15% less repeat investments, than reductions

Existing positions increased: 1,071 | Existing positions reduced: 1,261

19% less call options, than puts

Call options by funds: $2.6B | Put options by funds: $3.2B

Holders
2,876
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
30
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.6B
Puts
$3.2B
Net Calls
Net Calls Change

Top Buyers

1 +$362M
2 +$342M
3 +$189M
4
Capital World Investors
Capital World Investors
California
+$184M
5
Goldman Sachs
Goldman Sachs
New York
+$183M

Top Sellers

1 -$450M
2 -$223M
3 -$211M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$167M
5
Jane Street
Jane Street
New York
-$146M
Name Holding Trade Value Shares
Change
Change in
Stake
Raymond James Financial
51
Raymond James Financial
Florida
$286M
Robeco Institutional Asset Management
52
Robeco Institutional Asset Management
Netherlands
$246M
AQR Capital Management
53
AQR Capital Management
Connecticut
$245M
Squarepoint
54
Squarepoint
New York
$241M
Bank of Montreal
55
Bank of Montreal
Ontario, Canada
$240M
Diamond Hill Capital Management
56
Diamond Hill Capital Management
Ohio
$235M
Stifel Financial
57
Stifel Financial
Missouri
$231M
Fidelity International
58
Fidelity International
Bermuda
$230M
California State Teachers Retirement System (CalSTRS)
59
California State Teachers Retirement System (CalSTRS)
California
$229M
KBC Group
60
KBC Group
Belgium
$229M
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$219M
Janus Henderson Group
62
Janus Henderson Group
United Kingdom
$219M
Envestnet Asset Management
63
Envestnet Asset Management
Illinois
$215M
BIP
64
Brandes Investment Partners
California
$215M
Balyasny Asset Management
65
Balyasny Asset Management
Illinois
$213M
DekaBank Deutsche Girozentrale
66
DekaBank Deutsche Girozentrale
Germany
$208M
New York State Common Retirement Fund
67
New York State Common Retirement Fund
New York
$198M
Neuberger Berman Group
68
Neuberger Berman Group
New York
$183M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
69
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$179M
PNC Financial Services Group
70
PNC Financial Services Group
Pennsylvania
$179M
SLAM
71
Swiss Life Asset Management
$170M
SAG
72
Susquehanna Advisors Group
Pennsylvania
$169M
Canada Life
73
Canada Life
Manitoba, Canada
$166M
AllianceBernstein
74
AllianceBernstein
Tennessee
$164M
Pzena Investment Management
75
Pzena Investment Management
New York
$163M