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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 24 funds opening new positions, 47 increasing their positions, 37 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)

23% less first-time investments, than exits

New positions opened: 24 | 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
126
$684
127
$533
128
$527
129
$314
130
$232
131
$219
132
$213
133
$210
134
$126
135
$101
136
$13
137
138
139
140
141
142
143
144
145
146
147
148
149
150