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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 ParikhDirector2025-12-198,750$10.30
$90.13kBuy
Robert Charles BreedlovePrincipal Accounting Officer2025-12-18230$16.28
$3.74kSell
Steven L. BastaPresident and CEO2025-12-1731,502$15.36
$483.87kSell
Anne Marie CookChief Legal Off. Corp. Sec.2025-12-177,703$15.36
$118.32kSell
Steven L. BastaPresident and CEO2025-11-2848,375$15.62
$755.62kSell
Robert Charles BreedlovePrincipal Accounting Officer2025-11-03524$13.51
$7.08kSell
Steven L. BastaPresident and CEO2025-09-2548,375$11.66
$564.05kSell
Robert Charles BreedlovePrincipal Accounting Officer2025-09-05461$12.09
$5.57kSell
Robert Charles BreedlovePrincipal Accounting Officer2025-07-161,692$8.36
$14.15kSell
James N. TopperDirector2025-05-213,780$3.87
$14.61kBuy

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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 LP17.52%12,466,489$218.91MInstitution
Medicxi Ventures Management Jersey Ltd10.49%7,464,572$131.08MInsider
Medicxi Ventures Management Jersey Ltd10.49%7,464,572$131.08MInstitution
James N. Topper8.35%5,937,240$104.26MInsider
Frazier Life Sciences IX LP8.21%5,842,352$102.59MInsider
Millennium Management LLC7.14%5,081,451$89.23MInstitution
Invesco Ltd5.43%3,864,971$67.87MInstitution
Takeda Pharmaceutical Co Ltd5.28%3,755,583$65.95MInsider
Carlyle Group Inc4.92%3,496,808$61.40MInstitution
Blackrock Inc4.78%3,402,324$59.74MInstitution

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PHAT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PHAT65.62%34.38%Net SellingNet Selling
BHVN78.09%21.91%Net BuyingNet Buying
IMTX76.04%0.00%
XERS58.40%14.72%Net SellingNet Selling
PVLA57.88%42.12%Net BuyingNet Buying
View Top Biotech Stocks

Phathom Pharmaceuticals Stock Ownership FAQ

Who owns Phathom Pharmaceuticals?

Phathom Pharmaceuticals (NASDAQ: PHAT) is owned by 87.63% institutional shareholders, 45.92% 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 10.49% of the company. Medicxi Ventures Management Jersey Ltd's Phathom Pharmaceuticals shares are currently valued at $128.54M.

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