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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 BreedlovePAO2026-07-141,555$11.04
$17.16kSell
Asit ParikhDirector2026-05-2017,500$4.95
$86.63kBuy
Robert Charles BreedlovePrincipal Accounting Officer2026-02-27964$12.56
$12.11kSell
Robert Charles BreedlovePrincipal Accounting Officer2026-02-27414$12.56
$5.20kSell
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
Robert Charles BreedlovePrincipal Accounting Officer2025-12-18230$16.28
$3.74kSell

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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
Frazier Life Sciences Management LP15.41%12,466,489$114.32MInstitution
Medicxi Ventures Management Jersey Ltd9.23%7,464,572$68.45MInstitution
Medicxi Ventures Management Jersey Ltd9.23%7,464,572$68.45MInsider
James N. Topper7.37%5,961,362$54.67MInsider
Frazier Life Sciences IX LP7.22%5,842,352$53.57MInsider
Invesco Ltd5.34%4,322,060$39.63MInstitution
Blackrock Inc5.02%4,061,996$37.25MInstitution
Millennium Management LLC4.97%4,022,909$36.89MInstitution
Takeda Pharmaceutical Co Ltd4.64%3,755,583$34.44MInsider
Carlyle Group Inc4.32%3,496,808$32.07MInstitution

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PHAT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PHAT67.39%32.61%Net SellingNet Buying
MNPR24.68%75.32%Net SellingNet Selling
BBOT62.76%37.24%Net SellingNet Selling
ACHV20.92%16.80%Net Selling
FTH8.35%30.96%Net BuyingNet Buying
View Top Biotech Stocks

Phathom Pharmaceuticals Stock Ownership FAQ

Who owns Phathom Pharmaceuticals?

Phathom Pharmaceuticals (NASDAQ: PHAT) is owned by 85.46% institutional shareholders, 41.36% Phathom Pharmaceuticals insiders, and 0.00% 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 $68.52M.

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