Phathom Pharmaceuticals

PHAT · NASDAQ

$7.31+$0.30 (+4.28%)TodayMarket closed ·
Prev close $7.01

Who owns PHAT

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 54.6% of PHAT’s shares.

  • Frazier Life Sciences Management, L.P.15.6%
  • Medicxi Ventures (UK) LLP9.4%
  • Invesco Advisers, Inc.5.0%
  • BlackRock Institutional Trust Company, N.A.5.0%
  • Next 6 largest institutions19.6%
  • All other shareholders45.4%
Top institutional holders of PHAT
HolderShares% of shares
Frazier Life Sciences Management, L.P.12.47M15.63%
Medicxi Ventures (UK) LLP7.46M9.36%
Invesco Advisers, Inc.4.02M5.04%
BlackRock Institutional Trust Company, N.A.3.98M4.99%
Abingworth Management Limited3.50M4.38%
Millennium Management LLC3.38M4.23%
Vanguard Capital Management, LLC2.66M3.33%
GW&K Investment Management, LLC2.17M2.72%
Franklin Advisers, Inc.1.97M2.47%
New Enterprise Associates (NEA)1.96M2.46%

Largest mutual fund holders

Top mutual fund holders of PHAT
HolderShares% of shares
Invesco Global Fund2.34M2.94%
Vanguard Total Stock Market Index Fund2.01M2.52%
Strategic Advisers US Total Stock Fund1.30M1.63%
iShares Russell 2000 ETF1.27M1.60%
Nomura Small Cap Growth Fund988.51K1.24%

Insider trades

Form 4 filings by officers, directors and large holders

Insiders made no open-market buys or sales of PHAT in the last 6 months.

Latest PHAT insider transactions
InsiderTypeSharesValue
Narula SanjeevTax withholding13.48K$91.43K
Breedlove Robert CharlesTax withholding460$4.16K
Breedlove Robert CharlesTax withholding1.55K$17.16K
Parikh AsitGift28.00K—
Parikh AsitGift28.00K—
Parikh AsitOther17.50K—
Parikh AsitOption exercise17.50K$86.62K
Parikh AsitAward24.12K—
Stenhouse MarkAward24.12K—
Schroeder Theodore RAward24.12K—

Short interest

Settled Sep 30, 2026

Shares short
10.11M
Days to cover
7.36
% of shares outstanding
12.67%
Average daily volume
1.37M
Change since last report
−0.5%

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.