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Phathom Pharmaceuticals
PHAT

Overview Fund Activity

117 hedge funds and large institutions have $550M invested in Phathom Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 43 increasing their positions, 37 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
117
Holders Change
-20
Holders Change %
-14.6%
% of All Funds
1.57%
Holding in Top 10
6
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.08%
New
18
Increased
43
Reduced
37
Closed
36
Calls
$15.4M
Puts
$12.1M
Net Calls
+$3.22M
Net Calls Change
+$2.99M

Top Buyers

1
FLSM
1
Frazier Life Sciences Management
California
$120M
2
Millennium Management
2
Millennium Management
New York
$21.6M
3
CCM
3
Catalio Capital Management
New York
$6.45M
4
6CM
4
683 Capital Management
New York
$20.2M
5
MCM
5
Moore Capital Management
New York
$5.75M

Top Sellers

1
Jennison Associates
1
Jennison Associates
New York
$0
2
Morgan Stanley
2
Morgan Stanley
New York
$1.49M
3
TCM
3
Tang Capital Management
California
$0
4
WP
4
Woodline Partners
California
$1.8M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$56.4K
Name Holding Trade Value Shares
Change 		Shares
Change %
QL
101
Quarry LP
New York
$9.82K +$9.82K +1,024 New
SCM
102
Sterling Capital Management
North Carolina
$8.66K +$3.27K +341 +61%
BMC
103
Bear Mountain Capital
Washington
$7.95K – – –
LFG
104
Larson Financial Group
Missouri
$6.21K – – –
Jones Financial Companies
105
Jones Financial Companies
Missouri
$4.53K +$4.53K +465 New
FFA
106
Farther Finance Advisors
California
$3.28K -$3.27K -341 -50%
US Bancorp
107
US Bancorp
Minnesota
$2.66K -$225K -23,486 -99%
Daiwa Securities Group
108
Daiwa Securities Group
Japan
$2K – – –
FFO
109
Fortitude Family Office
Arizona
$2K +$2K +208 New
PA
110
Parallel Advisors
California
$1.78K -$1.37K -143 -43%
SS
111
SBI Securities
Japan
$1.23K +$748 +78 +156%
TWD
112
True Wealth Design
Ohio
$844 +$691 +72 +450%
EWA
113
EverSource Wealth Advisors
Alabama
$758 +$403 +42 +114%
GI
114
GAMMA Investing
California
$230 -$6.74K -703 -97%
EWP
115
Elevation Wealth Partners
California
$192 – – –
IA
116
IFP Advisors
Florida
$105 +$86 +9 +450%
Jennison Associates
117
Jennison Associates
New York
– -$44.2M -7,042,325 Closed
TCM
118
Tang Capital Management
California
– -$7.52M -1,200,000 Closed
Jacobs Levy Equity Management
119
Jacobs Levy Equity Management
New Jersey
– -$3.74M -596,108 Closed
Prudential Financial
120
Prudential Financial
New Jersey
– -$3.57M -568,630 Closed
TI
121
Trexquant Investment
Connecticut
– -$2.5M -398,751 Closed
Marshall Wace
122
Marshall Wace
United Kingdom
– -$1.97M -314,873 Closed
Wellington Management Group
123
Wellington Management Group
Massachusetts
– -$1.26M -200,690 Closed
Citadel Advisors
124
Citadel Advisors
Florida
– -$1.13M -179,721 Closed
UBS AM
125
UBS AM
Illinois
– -$625K -99,744 Closed
3 4
5
6 7