Skip to main content

Phathom Pharmaceuticals, Inc.

PHAT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001783183

No open-market purchases or sales by Phathom Pharmaceuticals, Inc. insiders were filed in the last 90 days; 161 institutions reported holding it in 13F filings for Q2 2026, worth $782.1M in total; no superinvestor holds it.

Q3 2023 vs. Q2 2023

How the institutions holding Phathom Pharmaceuticals, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of PHAT: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders1031110+8
Shares42.8M14043.8M+981.6K (+2.3%)
Value$612.6M$2.00K$452.7M−$159.9M (−26.1%)

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (15)

Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Institutions new to PHAT in Q3 2023
InstitutionSharesValue% of portfolio
Algert Global LLC91,820$952.2K0.04%
Walleye Capital LLC85,372$885.3K0.01%
Schonfeld Strategic Advisors LLC38,744$401.8K0.00%
AQR Capital Management LLC22,835$236.8K0.00%
Squarepoint Ops LLC18,815$195.1K0.00%
ExodusPoint Capital Management, LP17,008$176.0K0.00%
XTX Topco Ltd14,847$154.0K0.03%
Engineers Gate Manager LP12,888$133.6K0.00%
SG Americas Securities, LLC12,164$126.0K0.00%
Ameriprise Financial Inc11,402$118.2K0.00%
Centiva Capital, LP10,962$113.7K0.01%
Public Employees Retirement System of Ohio8,900$92.0K0.00%
Headinvest, LLC882$8.95K0.00%
The PNC Financial Services Group, Inc.130$1.35K0.00%
ZRC Wealth Management, LLC20$2080.00%

Sold out (7)

Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of PHAT in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Deerfield Management Company, L.P. (Series C)656,000$9.39M
Tang Capital Management LLC250,000$3.58M
Silverarc Capital Management, LLC200,000$2.86M
Susquehanna International Group, LLP63,408$908.0K
Atom Investors LP53,286$763.1K
Ergoteles LLC18,300$262.1K
Renaissance Technologies LLC10,000$143.0K

Not filed for Q3 2023 yet (1)

Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PHAT in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
BerganKDV Wealth Management, LLC140$2.00K