Institutional shares held 66.6 Million
94K calls
55.5K puts
Total value of holdings $288M
$407K calls
$240K puts
Market Cap $170M
39,175,200 Shares Out.
Institutional ownership 169.92%
# of Institutions 152


Latest Institutional Activity in PHAT

Top Purchases

Q1 2025
Tang Capital Management LLC Shares Held: 1.2M ($5.2M)
Q1 2025
Jacobs Levy Equity Management, Inc Shares Held: 596K ($2.58M)
Q1 2025
Citigroup Inc Shares Held: 531K ($2.3M)
Q1 2025
Millennium Management LLC Shares Held: 523K ($2.27M)
Q1 2025
683 Capital Management, LLC Shares Held: 1.45M ($6.26M)

Top Sells

Q1 2025
Avidity Partners Management LP Shares Held: 800K ($3.46M)
Q1 2025
Two Sigma Investments, LP Shares Held: 97.3K ($421K)
Q1 2025
Woodline Partners LP Shares Held: 752K ($3.25M)
Q1 2025
Goldman Sachs Group Inc Shares Held: 188K ($813K)
Q1 2025
State Street Corp Shares Held: 901K ($3.9M)

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

View all
Date Insider Transaction Ownership Type Shares Traded Value / Price
View All Transactions

Last 12 Months Summary

Buy / Acquisition
391K Shares
From 14 Insiders
Grant, award, or other acquisition 286K shares
Open market or private purchase 98.1K 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

Track Institutional and Insider Activities on PHAT

Follow Phathom Pharmaceuticals, Inc. and customize your updates to receive the information that matters most to you.

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells PHAT shares.

Notify only if

Insider Trading

Get notified when an Phathom Pharmaceuticals, Inc. insider buys or sells PHAT shares.

Notify only if

News

Receive news related to Phathom Pharmaceuticals, Inc.

Track Activities on PHAT