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

Insider buying vs selling

Have Phathom Pharmaceuticals Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Sanjeev NarulaCFO2026-10-0613,485$6.78
$91.43kSell
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
Steven L. BastaPresident and CEO2026-02-106,277$12.82
$80.47kSell
Anne Marie CookChief Legal Off. Corp. Sec.2026-02-101,535$12.82
$19.68kSell
Robert Charles BreedlovePrincipal Accounting Officer2026-01-21776$13.61
$10.56kSell
Asit ParikhDirector2026-01-138,750$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 Ltd9.18%7,464,572$40.64MInsider
James N. Topper7.33%5,961,362$32.46MInsider
Frazier Life Sciences IX LP7.19%5,842,352$31.81MInsider
Takeda Pharmaceutical Co Ltd4.62%3,755,583$20.45MInsider
Ra Capital Management LP3.83%3,115,008$16.96MInsider
David A. Socks3.01%2,443,114$13.30MInsider
Jonathan S. Edwards2.54%2,067,861$11.26MInsider
Azmi Nabulsi1.36%1,104,603$6.01MInsider
Steven L. Basta0.46%373,315$2.03MInsider
Terrie Curran0.45%366,541$2.00MInsider

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PHAT vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PHAT0.09%41.16%Net SellingNet Selling
BLSM0.00%56.05%Net Buying
STTK0.08%14.82%Net Buying
OCS0.03%0.00%
NGNE0.08%86.45%Net SellingNet Buying

Phathom Pharmaceuticals Stock Ownership FAQ

Who owns Phathom Pharmaceuticals?

Phathom Pharmaceuticals (NASDAQ: PHAT) is owned by 0.09% institutional shareholders, 41.16% Phathom Pharmaceuticals insiders, and 58.76% retail investors. Medicxi Ventures Management Jersey Ltd is the largest individual Phathom Pharmaceuticals shareholder, owning 7.46M shares representing 9.18% of the company. Medicxi Ventures Management Jersey Ltd's Phathom Pharmaceuticals shares are currently valued at $46.88M.

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