PHAT · NASDAQ · Biotechnology

Phathom Pharmaceuticals

Brings Takeda's vonoprazan acid blocker to U.S. patients under the VOQUEZNA brand.

$9.45
Pre-market−0.12 (−1.20%)
At close$9.57(+4.19%)

Breakdown13F · 13D/G · Form 4

Institutions173 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail≈ 89.62%72.50M shares
Insiders14 holders · as of Jul 16, 20269.90%8.01M shares
Otherremainder≈ 0.48%389.1K shares

80.90M company shares as of Sep 1, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Frazier Life Sciences Management, L.P.Institution
15.41%12.47M13Fas of Jun 30, 2026
Medicxi Ventures Management (Jersey) LtdInstitution
9.23%7.46M13Fas of Jun 30, 2026
James N. Topper1Insiderdirector, 10 percent owner
7.43%5.99M13Dfiled May 21, 2026
BlackRock, Inc.Institution
5.59%4.53M13Fas of Jun 30, 2026
Invesco Ltd.Institution
4.98%4.03M13Fas of Jun 30, 2026
Carlyle Group Inc.Institution
4.32%3.50M13Fas of Jun 30, 2026
Millennium Management LLCInstitution
4.17%3.38M13Fas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
3.28%2.66M13Fas of Jun 30, 2026
GW&K Investment Management, LLCInstitution
2.68%2.17M13Fas of Jun 30, 2026
Franklin Resources IncInstitution
2.44%1.97M13Fas of Jun 30, 2026
Nea Management Company, LLCInstitution
2.42%1.96M13Fas of Jun 30, 2026
683 Capital Management, LLCInstitution
2.29%1.85M13Fas of Jun 30, 2026
Goldman Sachs Group IncInstitution
2.20%1.78M13Fas of Jun 30, 2026
State Street CorpInstitution
1.96%1.59M13Fas of Jun 30, 2026
Catalys Pacific, LLCInstitution
1.85%1.49M13Fas of Jun 30, 2026
Macquarie Management Holdings, Inc.Institution
1.81%1.46M13Fas of Jun 30, 2026
Geode Capital Management, LLCInstitution
1.63%1.32M13Fas of Jun 30, 2026
Wasatch Advisors LPInstitution
1.62%1.31M13Fas of Jun 30, 2026
Ensign Peak Advisors, IncInstitution
1.30%1.05M13Fas of Jun 30, 2026
Propel Bio Management, LLCInstitution
1.30%1.05M13Fas of Jun 30, 2026
Point72 Asset Management, L.P.Institution
1.26%1.02M13Fas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
0.98%796,63113Fas of Jun 30, 2026
Summittx Capital, L.P.Institution
0.98%789,55013Fas of Jun 30, 2026
HSBC Holdings PLCInstitution
0.88%709,69513Fas of Jun 30, 2026
Marshall Wace, LLPInstitution
0.82%666,09013Fas of Jun 30, 2026
  1. James N. Topper's transaction reports restate only vehicles that traded; the 2025 ownership statement (5.99M) plus the 24.1K net shares acquired since is used instead.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more

Institutions13F, as of Jun 30, 2026

173 holders · 72.50M shares · 24 new positions · 84 increased · 51 reduced · 34 closed

HolderShares% outstandingChg q/qFiled
Frazier Life Sciences Management, L.P.12.47M15.41%0Aug 14, 2026
Medicxi Ventures Management (Jersey) Ltd7.46M9.23%0Aug 4, 2026
BlackRock, Inc.4.53M5.59%+463.1KAug 7, 2026
Invesco Ltd.4.03M4.98%−292.3KAug 14, 2026
Carlyle Group Inc.3.50M4.32%0Aug 7, 2026
Millennium Management LLC3.38M4.17%−647.1KAug 14, 2026
Vanguard Capital Management LLC2.66M3.28%+73.3KAug 13, 2026
GW&K Investment Management, LLC2.17M2.68%+745.7KAug 12, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
James N. Topperincl. Frazier Life Sciences Public Fund, L.P., Frazier Life Sciences X, L.P. +14 more8.60%5.99M13DNov 4, 2025
BlackRock, Inc.5.50%4.38M13GJul 29, 2026
Millennium Management LLC5.30%4.18M13GMar 12, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Nov 3, 2025
Robert Charles Breedloveofficer: Principal Accounting Officer
Sale524$13.5147,407
Sep 5, 2025
Robert Charles Breedloveofficer: Principal Accounting Officer
Sale461$12.0947,931

CongressHouse and Senate disclosures

Not reported.