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NASDAQ: PTGX
Protagonist Therapeutics Inc Stock Ownership - Who owns Protagonist Therapeutics?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Protagonist Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William D. WaddillDirector2025-03-174,000$54.25
$217.00kSell
Arturo Md MolinaChief Medical Officer2025-03-1328,437$23.42
$665.99kBuy
Arturo Md MolinaChief Medical Officer2025-03-1330,514$55.74
$1.70MSell
Arturo Md MolinaChief Medical Officer2025-03-132,077$38.98
$80.96kBuy
Asif AliChief Financial Officer2025-03-1215,203$12.17
$185.02kBuy
Asif AliChief Financial Officer2025-03-129,700$19.19
$186.14kBuy
Asif AliChief Financial Officer2025-03-1224,903$58.73
$1.46MSell
Dinesh V. Ph D. PatelPresident and CEO2025-03-0524,000$4.21
$101.04kBuy
Dinesh V. Ph D. PatelPresident and CEO2025-02-195,359$38.18
$204.61kSell
Arturo Md MolinaChief Medical Officer2024-11-2716,000$8.04
$128.64kBuy

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Net Insider Buy/Sell (L12M) Ownership

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PTGX Shareholders

What type of owners hold Protagonist Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc16.10%9,884,617$457.46MInstitution
Farallon Capital Management LLC9.66%5,930,006$274.44MInstitution
Rtw Investments LP8.96%5,498,545$254.47MInstitution
Vanguard Group Inc6.87%4,220,037$195.30MInstitution
State Street Corp5.43%3,331,061$154.16MInstitution
Julie Papanek4.00%2,453,255$113.54MInsider
Johnson Johnson3.99%2,449,183$113.35MInstitution
Johnson Johnson3.99%2,449,183$113.35MInsider
Canaan X LP3.45%2,116,552$97.95MInsider
Armen Shanafelt3.42%2,099,482$97.16MInsider

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PTGX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PTGX81.23%18.77%Net SellingNet Buying
SWTX65.47%34.53%Net SellingNet Selling
CRNX88.63%11.37%Net BuyingNet Buying
SRRK60.87%39.13%Net SellingNet Selling
CPRX80.39%16.12%Net BuyingNet Selling
View Top Biotech Stocks

Protagonist Therapeutics Stock Ownership FAQ

Who owns Protagonist Therapeutics?

Protagonist Therapeutics (NASDAQ: PTGX) is owned by 103.04% institutional shareholders, 23.80% Protagonist Therapeutics insiders, and 0.00% retail investors. Julie Papanek is the largest individual Protagonist Therapeutics shareholder, owning 2.45M shares representing 4.00% of the company. Julie Papanek's Protagonist Therapeutics shares are currently valued at $113.54M.

If you're new to stock investing, here's how to buy Protagonist Therapeutics stock.
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