2,880 hedge funds and large institutions have $92.8B invested in Pfizer in 2025 Q4 according to their latest regulatory filings, with 312 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
2,880
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
SIA
1901
Soltis Investment Advisors
Utah
$435K
MIM
1902
Montgomery Investment Management
Maryland
$435K
RIA
1903
Richwood Investment Advisors
Ohio
$434K
RC
1904
Rexford Capital
Texas
$434K
IP
1905
Investment Partners
Ohio
$432K
MMCM
1906
Murphy & Mullick Capital Management
New York
$432K
NHT
1907
New Hampshire Trust
New Hampshire
$431K
SA
1908
Strategic Advisors
New York
$431K
PWM
1909
Proathlete Wealth Management
Florida
$431K
GHA
1910
Granite Harbor Advisors
Texas
$430K
WA
1911
WBH Advisory
Maryland
$430K
WG
1912
Winton Group
United Kingdom
$429K
CWS
1913
Cypress Wealth Services
California
$429K
PA
1914
PFG Advisors
Arizona
$428K
ZF
1915
Zhang Financial
Michigan
$427K
ZAM
1916
Zevin Asset Management
Massachusetts
$426K
GSIAS
1917
Garden State Investment Advisory Services
New Jersey
$426K
TA
1918
TrueWealth Advisors
Alabama
$426K
HAM
1919
Harmony Asset Management
Arizona
$426K
LCOV
1920
London Company of Virginia
Virginia
$425K
WAS
1921
Winch Advisory Services
Wisconsin
$423K
IIL
1922
Income Insurance Ltd
$423K
MCM
1923
Marathon Capital Management
Maryland
$423K
TCM
1924
Teza Capital Management
Illinois
$421K
NFSG
1925
Newbridge Financial Services Group
Florida
$421K