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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.

Q2 2023 vs. Q1 2023

How the institutions holding Phathom Pharmaceuticals, Inc. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of PHAT: Q1 2023 compared with Q2 2023
MeasureQ1 2023Q2 2023Change
Holders84103+19
Shares30.8M42.8M+12.0M (+39.0%)
Value$219.7M$612.6M+$392.9M (+178.8%)

New holders (28)

Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to PHAT in Q2 2023
InstitutionSharesValue% of portfolio
NEA Management Company, LLC1,276,595$18.3M1.40%
Kennedy Capital Management, Inc.1,049,675$15.0M0.35%
Decheng Capital Management III (Cayman), LLC850,000$12.2M3.82%
EcoR1 Capital, LLC700,000$10.0M0.26%
Woodline Partners LP673,688$9.65M0.11%
Deerfield Management Company, L.P. (Series C)656,000$9.39M0.20%
Tang Capital Management LLC250,000$3.58M0.53%
Altium Capital Management LP207,432$2.97M2.32%
Federated Hermes, Inc.163,956$2.35M0.01%
Ghost Tree Capital, LLC154,250$2.21M0.80%
AlphaCentric Advisors LLC130,000$1.86M1.03%
D. E. Shaw & Co., Inc.113,693$1.63M0.00%
Wellington Management Group LLP98,013$1.40M0.00%
Jacobs Levy Equity Management, Inc70,803$1.01M0.01%
Moore Capital Management, LP60,000$859.2K0.02%
Trexquant Investment LP18,301$262.1K0.01%
Ergoteles LLC18,300$262.1K0.01%
Vestcor Inc16,895$242.0K0.01%
UBS Group AG16,806$240.7K0.00%
Principal Financial Group Inc10,542$151.0K0.00%
Manufacturers Life Insurance Company, The10,416$149.2K0.00%
Voya Investment Management LLC10,045$143.8K0.00%
Renaissance Technologies LLC10,000$143.0K0.00%
Russell Investments Group, Ltd.8,981$128.6K0.00%
Virtus ETF Advisers LLC8,515$121.9K0.07%
BerganKDV Wealth Management, LLC140$2.00K0.00%
Lindbrook Capital, LLC132$1.89K0.00%
US Bancorp113$1.62K0.00%

Sold out (9)

Institutions that held Phathom Pharmaceuticals, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of PHAT in Q2 2023
InstitutionShares, Q1 2023Value, Q1 2023
Opaleye Management Inc.496,000$3.54M
Candriam Luxembourg S.C.A.63,778$419.1K
Marshall Wace, LLP37,096$264.9K
Belvedere Trading LLC13,525$96.6K
Point72 Asset Management, L.P.11,505$82.1K
SG Americas Securities, LLC11,328$81.0K
State Board of Administration of Florida Retirement System11,228$80.2K
Cubist Systematic Strategies, LLC1,649$11.8K
Crewe Advisors LLC107$764