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Phathom Pharmaceuticals

137 hedge funds and large institutions have $401M invested in Phathom Pharmaceuticals in 2025 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 47 increasing their positions, 36 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less ownership

Funds ownership:

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

19% less first-time investments, than exits

New positions opened: 25 | Existing positions closed: 31

26% less capital invested

Capital invested by funds: $541M → $401M (-$140M)

Holders
137
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
$915K
Puts
$688K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Simplex Trading
76
Simplex Trading
Illinois
$140K
IIM
77
INTECH Investment Management
Florida
$135K
IWA
78
Inspirion Wealth Advisors
Illinois
$125K
CF
79
Corebridge Financial
Texas
$122K
CC
80
Corton Capital
Ontario, Canada
$115K
Stifel Financial
81
Stifel Financial
Missouri
$109K
Zurich Cantonal Bank
82
Zurich Cantonal Bank
Switzerland
$98.5K
KPWS
83
Kestra Private Wealth Services
Texas
$97.2K
Manulife (Manufacturers Life Insurance)
84
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$90.7K
CUAMC
85
China Universal Asset Management Company
China
$86K
AF
86
Allworth Financial
California
$84.4K
ProShare Advisors
87
ProShare Advisors
Maryland
$73.4K
SFI
88
Susquehanna Fundamental Investments
Pennsylvania
$71.9K
Osaic Holdings
89
Osaic Holdings
Arizona
$70.5K
VOYA Investment Management
90
VOYA Investment Management
Georgia
$69.4K
FT
91
Fiduciary Trust
Massachusetts
$68.4K
New York State Common Retirement Fund
92
New York State Common Retirement Fund
New York
$67.5K
ASRS
93
Arizona State Retirement System
Arizona
$67.5K
AI
94
Atom Investors
Texas
$65.2K
Royal Bank of Canada
95
Royal Bank of Canada
Ontario, Canada
$64K
Teacher Retirement System of Texas
96
Teacher Retirement System of Texas
Texas
$63.5K
SCA
97
STALEY CAPITAL ADVISERS
Pennsylvania
$62.7K
KK
98
KLP Kapitalforvaltning
Norway
$57.1K
PFSRSONJ
99
Police & Firemen's Retirement System of New Jersey
New Jersey
$51.7K
Carson Wealth (CWM LLC)
100
Carson Wealth (CWM LLC)
Nebraska
$46K