PHAT

Phathom Pharmaceuticals Inc

Latest period2026 - Q1Total superinvestors176

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 176 superinvestors own shares of Phathom Pharmaceuticals Inc (PHAT), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Phathom Pharmaceuticals Inc (PHAT), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Phathom Pharmaceuticals Inc (PHAT) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Phathom Pharmaceuticals Inc (PHAT) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Jennifer Martin@Frazier Life Sciences Management, L.p.
Recent Activity
3.57%
$138.503M
12.466M shares@ 11.12 avg price
Giles Johnstone-Scott@Medicxi Ventures Management (jersey) Ltd
Recent Activity
8.45%
$82.931M
7.465M shares@ 11.12 avg price
Robert R. Leveille@Invesco Ltd.
Recent Activity
Increased 10.25%
0.01%
$48.018M
4.322M shares@ 11.11 avg price
Spencer Fleming@Blackrock, Inc.
Recent Activity
Increased 14.25%
0.01%
$45.129M
4.062M shares@ 11.12 avg price
Gil Raviv@Millennium Management Llc
Recent Activity
Increased 93.21%
0.02%
$44.695M
4.023M shares@ 11.12 avg price
Jeffrey W. Ferguson@Carlyle Group Inc.
Recent Activity
0.37%
$38.85M
3.497M shares@ 11.12 avg price
Christine M. Buchanan@Vanguard Capital Management Llc
Recent Activity
New Position
0.01%
$28.704M
2.584M shares@ 11.12 avg price
Stephanie Brecher@Nea Management Company, Llc
Recent Activity
1.24%
$21.777M
1.96M shares@ 11.12 avg price
Ari Zweiman@683 Capital Management, Llc
Recent Activity
Increased 3.65%
1.08%
$20.553M
1.85M shares@ 11.11 avg price
Don Clouse@Ensign Peak Advisors, Inc
Recent Activity
Decreased -30.79%
0.04%
$18.085M
1.628M shares@ 11.12 avg price

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