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Phathom Pharmaceuticals

117 hedge funds and large institutions have $551M invested in Phathom Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 43 increasing their positions, 37 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

more capital invested

Capital invested by funds: $ → $

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

9.71% less ownership

Funds ownership: 91.94%82.22% (-9.7%)

15% less funds holding

Funds holding: 137117 (-20)

53% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 36

Holders
117
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
$15.4M
Puts
$12.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
51
$303K
52
$301K
53
$289K
54
$288K
55
$285K
56
$270K
57
$267K
58
$250K
59
$248K
60
$240K
61
$224K
62
$212K
63
$196K
64
$196K
65
$190K
66
$152K
67
$149K
68
$145K
69
$140K
70
$137K
71
$134K
72
$131K
73
$126K
74
$113K
75
$111K