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Who owns Phathom Pharmaceuticals (PHAT) stock

153 funds reported Phathom Pharmaceuticals (PHAT) shares in their latest 13F filings, worth $778M in all. The largest holder is Frazier Life Sciences Management, L.P. ($135M). Last quarter 72 funds added to their stakes and 77 cut them.

Largest holders of PHAT (13F)Largest holders of PHAT (13F)Frazier Life Sciences Management,…$135MMedicxi Ventures Management (Jers…$54.5MVanguard Group$52.7MBlackRock$49.1MInvesco$43.7MCarlyle Group$37.9MMillennium Management LLC$36.6MVanguard Capital Management LLC$28.8MWasatch Advisors LP$21.5MFranklin Resources$21.4M

Largest holders (13F)

FundSharesValueChangeQuarter
Frazier Life Sciences Management, L.P.12,466,489$135Munchanged2026-06-30
Medicxi Ventures Management (Jersey)7,464,572$54.5Munchanged2026-09-30
Vanguard Group3,177,211$52.7Mdecrease2025-12-31
BlackRock4,525,129$49.1Mincrease2026-06-30
Invesco4,029,731$43.7Mdecrease2026-06-30
Carlyle Group3,496,808$37.9Munchanged2026-06-30
Millennium Management LLC3,375,834$36.6Mdecrease2026-06-30
Vanguard Capital Management LLC2,656,944$28.8Mincrease2026-06-30
Wasatch Advisors LP2,942,432$21.5Mincrease2026-09-30
Franklin Resources1,970,828$21.4Mincrease2026-06-30
NEA Management Company, LLC1,960,169$21.3Munchanged2026-06-30
683 Capital Management, LLC1,850,000$20.1Munchanged2026-06-30
Goldman Sachs Group1,778,032$19.3Mincrease2026-06-30
State Street1,586,323$17.2Mincrease2026-06-30
Nomura Asset Management International1,462,738$15.9Mincrease2026-06-30

Phathom Pharmaceuticals' latest quarter

Phathom Pharmaceuticals, Q3 2026: revenue $84.7M (+71% year over year), operating margin -0.1%, net loss $13.9M, operating cash flow $1.8M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most PHAT stock?

By the latest 13F filings: Frazier Life Sciences Management, L.P. ($135M); Medicxi Ventures Management (Jersey) ($54.5M); Vanguard Group ($52.7M); BlackRock ($49.1M); Invesco ($43.7M).

What is the short interest in PHAT?

9,784,183 shares were sold short at the 2026-10-15 settlement, -3.21% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.