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Phathom Pharmaceuticals

133 hedge funds and large institutions have $734M invested in Phathom Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 45 increasing their positions, 28 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
133
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$14.3M
Puts
$346K
Net Calls
Net Calls Change

Top Sellers

1 -$8.93M
2 -$5.93M
3 -$4.35M
4
6CM
683 Capital Management
New York
-$3.35M
5
Invesco
Invesco
Georgia
-$3.24M
Name Holding Trade Value Shares
Change
Change in
Stake
Russell Investments Group
101
Russell Investments Group
United Kingdom
$74.9K
Group One Trading
102
Group One Trading
Illinois
$50K
Canada Pension Plan Investment Board
103
Canada Pension Plan Investment Board
Ontario, Canada
$48.3K
Legal & General Group
104
Legal & General Group
United Kingdom
$48.1K
AIP
105
Ameritas Investment Partners
Nebraska
$41.5K
California State Teachers Retirement System (CalSTRS)
106
California State Teachers Retirement System (CalSTRS)
California
$34K
Mirae Asset Global Investments
107
Mirae Asset Global Investments
South Korea
$32.3K
Jones Financial Companies
108
Jones Financial Companies
Missouri
$29.7K
SCM
109
Sterling Capital Management
North Carolina
$25.4K
HNB
110
Huntington National Bank
Ohio
$23.8K
Carson Wealth (CWM LLC)
111
Carson Wealth (CWM LLC)
Nebraska
$23K
TRCT
112
Tower Research Capital (TRC)
New York
$18.4K
PNC Financial Services Group
113
PNC Financial Services Group
Pennsylvania
$18.2K
GFM
114
GF Fund Management
China
$18K
AB
115
Amalgamated Bank
New York
$16K
BMC
116
Bear Mountain Capital
Washington
$14K
CMBA
117
C.M. Bidwell & Associates
Hawaii
$13.2K
QCG
118
Quadrant Capital Group
Ohio
$12.6K
LFG
119
Larson Financial Group
Missouri
$7.62K
Optiver Holding
120
Optiver Holding
Netherlands
$6.87K
GI
121
GAMMA Investing
California
$4.24K
FFA
122
Farther Finance Advisors
California
$4.03K
MPWT
123
MassMutual Private Wealth & Trust
Connecticut
$3.38K
Daiwa Securities Group
124
Daiwa Securities Group
Japan
$3K
FFO
125
Fortitude Family Office
Arizona
$2.45K