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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. WaddillDirector2025-08-274,000$59.25
$237.00kSell
Dinesh V. Ph D. PatelPresident and CEO2025-07-2510,415$54.78
$570.53kSell
Dinesh V. Ph D. PatelPresident and CEO2025-07-2317,520$54.79
$959.92kSell
Dinesh V. Ph D. PatelPresident and CEO2025-07-2222,065$55.05
$1.21MSell
Dinesh V. Ph D. PatelPresident and CEO2025-07-2112,859$54.86
$705.44kSell
Arturo Md MolinaChief Medical Officer2025-06-1010,000$57.03
$570.30kSell
Arturo Md MolinaChief Medical Officer2025-06-1010,000$8.04
$80.40kBuy
Arturo Md MolinaChief Medical Officer2025-06-0910,000$55.51
$555.10kSell
Arturo Md MolinaChief Medical Officer2025-06-0910,000$8.04
$80.40kBuy
Harold E. SelickDirector2025-04-2810,725$1.16
$12.44kBuy

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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 Inc15.48%9,630,341$566.84MInstitution
Farallon Capital Management LLC9.92%6,172,006$363.28MInstitution
Rtw Investments LP9.25%5,756,277$338.81MInstitution
Vanguard Group Inc7.01%4,358,595$256.55MInstitution
Deep Track Capital LP5.22%3,245,899$191.05MInstitution
Bvf Inc5.16%3,211,041$189.00MInstitution
State Street Corp5.16%3,207,543$188.80MInstitution
Ubs Group Ag4.02%2,501,251$147.22MInstitution
Julie Papanek3.94%2,453,255$144.40MInsider
Johnson Johnson3.94%2,449,183$144.16MInsider

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PTGX vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PTGX82.96%17.04%Net SellingNet Selling
ADMA79.03%20.97%Net SellingNet Selling
MTSR46.48%53.52%Net BuyingNet Selling
MIRM51.49%48.51%Net SellingNet Buying
ZLAB3.93%1.79%Net BuyingNet Buying
View Top Biotech Stocks

Protagonist Therapeutics Stock Ownership FAQ

Who owns Protagonist Therapeutics?

Protagonist Therapeutics (NASDAQ: PTGX) is owned by 114.08% institutional shareholders, 23.42% Protagonist Therapeutics insiders, and 0.00% retail investors. Julie Papanek is the largest individual Protagonist Therapeutics shareholder, owning 2.45M shares representing 3.94% of the company. Julie Papanek's Protagonist Therapeutics shares are currently valued at $143.22M.

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