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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
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
Anne Marie CookChief Legal Off. Corp. Sec.2025-12-177,703$15.36
$118.32kSell

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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 LP15.63%12,466,489$133.64MInstitution
Medicxi Ventures Management Jersey Ltd9.36%7,464,572$80.02MInsider
Medicxi Ventures Management Jersey Ltd9.36%7,464,572$80.02MInstitution
James N. Topper7.47%5,961,362$63.91MInsider
Frazier Life Sciences IX LP7.33%5,842,352$62.63MInsider
Invesco Ltd5.42%4,322,060$46.33MInstitution
Blackrock Inc5.09%4,061,996$43.54MInstitution
Millennium Management LLC5.04%4,022,909$43.13MInstitution
Takeda Pharmaceutical Co Ltd4.71%3,755,583$40.26MInsider
Carlyle Group Inc4.38%3,496,808$37.49MInstitution

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PHAT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PHAT67.39%32.61%Net SellingNet Buying
AGMB47.92%0.09%
TBPH53.80%46.20%Net SellingNet Selling
SPRY47.21%52.79%Net SellingNet Selling
DSGN48.28%51.72%Net Selling
View Top Biotech Stocks

Phathom Pharmaceuticals Stock Ownership FAQ

Who owns Phathom Pharmaceuticals?

Phathom Pharmaceuticals (NASDAQ: PHAT) is owned by 86.69% institutional shareholders, 41.95% 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 9.36% of the company. Medicxi Ventures Management Jersey Ltd's Phathom Pharmaceuticals shares are currently valued at $81.14M.

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