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NASDAQ: PHAT
Phathom Pharmaceuticals Inc Stock Ownership - Who owns Phathom Pharmaceuticals?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Phathom Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert Charles BreedlovePAO2026-09-03460$9.05
$4.16kSell
Robert Charles BreedlovePAO2026-07-141,555$11.04
$17.16kSell
Asit ParikhDirector2026-05-2017,500$4.95
$86.63kBuy
Robert Charles BreedlovePrincipal Accounting Officer2026-02-27414$12.56
$5.20kSell
Robert Charles BreedlovePrincipal Accounting Officer2026-02-27964$12.56
$12.11kSell
Anne Marie CookChief Legal Off. Corp. Sec.2026-02-101,535$12.82
$19.68kSell
Steven L. BastaPresident and CEO2026-02-106,277$12.82
$80.47kSell
Robert Charles BreedlovePrincipal Accounting Officer2026-01-21776$13.61
$10.56kSell
Asit ParikhDirector2026-01-138,750$10.30
$90.13kBuy
Asit ParikhDirector2025-12-198,750$10.30
$90.13kBuy

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Net Insider Buy/Sell (L12M) Ownership

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PHAT Shareholders

What type of owners hold Phathom Pharmaceuticals Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Medicxi Ventures Management Jersey Ltd9.23%7,464,572$52.85MInsider
James N. Topper7.37%5,961,362$42.21MInsider
Frazier Life Sciences IX LP7.22%5,842,352$41.36MInsider
Takeda Pharmaceutical Co Ltd4.64%3,755,583$26.59MInsider
Ra Capital Management LP3.85%3,115,008$22.05MInsider
David A. Socks3.02%2,443,114$17.30MInsider
Jonathan S. Edwards2.56%2,067,861$14.64MInsider
Azmi Nabulsi1.37%1,104,603$7.82MInsider
Steven L. Basta0.46%373,315$2.64MInsider
Terrie Curran0.45%366,541$2.60MInsider

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PHAT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PHAT0.09%41.37%Net SellingNet Selling
CTMX0.10%10.10%Net Selling
ALT0.08%32.65%Net BuyingNet Buying
VALN0.00%0.00%
SGMT0.08%35.18%Net SellingNet Selling
View Top Biotech Stocks

Phathom Pharmaceuticals Stock Ownership FAQ

Who owns Phathom Pharmaceuticals?

Phathom Pharmaceuticals (NASDAQ: PHAT) is owned by 0.09% institutional shareholders, 41.37% Phathom Pharmaceuticals insiders, and 58.54% retail investors. Medicxi Ventures Management Jersey Ltd is the largest individual Phathom Pharmaceuticals shareholder, owning 7.46M shares representing 9.23% of the company. Medicxi Ventures Management Jersey Ltd's Phathom Pharmaceuticals shares are currently valued at $54.49M.

If you're new to stock investing, here's how to buy Phathom Pharmaceuticals stock.
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