Institutional shares held 68.4 Million
52.3K calls
635K puts
Total value of holdings $452M
$345K calls
$4.19M puts
Market Cap $259M
39,175,200 Shares Out.
Institutional ownership 174.71%
# of Institutions 159


Latest Institutional Activity in PHAT

Top Purchases

Q1 2025
Gamma Investing LLC Shares Held: 4.56K ($30.1K)
Q1 2025
Kera Capital Partners, Inc. Shares Held: 29.8K ($197K)
Q1 2025
Rhumbline Advisers Shares Held: 56.7K ($374K)
Q1 2025
Farther Finance Advisors, LLC Shares Held: 683 ($4.51K)
Q1 2025
Parallel Advisors, LLC Shares Held: 329 ($2.17K)

Top Sells

Q1 2025
Inspirion Wealth Advisors, LLC Shares Held: 19.9K ($131K)
Q4 2024
Gilder Gagnon Howe & CO LLC Shares Held: 41.6K ($275K)
Q4 2024
Woodline Partners LP Shares Held: 1M ($6.61M)
Q4 2024
Oracle Investment Management Inc Shares Held: 145K ($957K)
Q4 2024
Decheng Capital LLC Shares Held: 694K ($4.58M)

About PHAT

Phathom Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing treatments for gastrointestinal diseases. The company has the rights in the United States, Europe, and Canada to vonoprazan, a potassium-competitive acid blocker (P-CAB) that blocks acid secretion in the stomach. It is also developing vonoprazan, which is in Phase III clinical trials for the treatment of erosive gastroesophageal reflux disease; and in combination with antibiotics for the treatment of Helicobacter pylori infection. Phathom Pharmaceuticals, Inc. was incorporated in 2018 and is headquartered in Florham Park, New Jersey.


Insider Transactions at PHAT

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
305K Shares
From 12 Insiders
Grant, award, or other acquisition 265K shares
Open market or private purchase 32.5K shares
Exercise of conversion of derivative security 7.5K shares
Sell / Disposition
88.7K Shares
From 3 Insiders
Open market or private sale 88.7K shares

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