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EcoR1 Capital, LLC

SEC CIK
0001587114
Latest filing
Aug 14, 2026

PHAT holding history

Phathom Pharmaceuticals, Inc. in every 13F filed by EcoR1 Capital, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PHAT overviewAll 13F holders of PHATFull Q2 2026 holdings

Shares (Q2 2026)
625,000
Value
$6.78M
% of portfolio
0.3%
Quarters held
5
Since Q2 2023
Holdings of PHAT by EcoR1 Capital, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026625,000$6.78M0.3%00.0%UnchangedHolders
Q1 2026625,000$6.94M0.3%+625,000NewHolders
Q1 20240$00.0%−198,480−100.0%Sold outHolders
Q4 2023198,480$1.81M<0.1%−501,520−71.6%ReducedHolders
Q3 2023700,000$7.26M0.2%00.0%UnchangedHolders
Q2 2023700,000$10.0M0.3%+700,000NewHolders