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NASDAQ: PRTA
Prothena Corp Public Ltd Co Stock Ownership - Who owns Prothena Public Co?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Prothena Corp Public Ltd Co insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Karin L. WalkerChief Accounting Officer2024-01-245,000$34.00
$170.00kSell
Karin L. WalkerChief Accounting Officer2024-01-245,000$13.53
$67.65kBuy

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Net Insider Buy/Sell (L12M) Ownership

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PRTA Shareholders

What type of owners hold Prothena Corp Public Ltd Co stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ecor1 Capital LLC64.59%34,752,840$453.52MInsider
Ecor1 Capital LLC21.53%11,584,280$151.17MInstitution
Oleg Nodelman17.52%9,426,640$123.02MInsider
Fmr LLC14.99%8,066,983$105.27MInstitution
Wellington Management Group LLP7.77%4,178,788$54.53MInstitution
Blackrock Inc7.49%4,028,387$52.57MInstitution
Blackrock Inc 17.49%4,028,387$52.57MInstitution
Price T Rowe Associates Inc7.10%3,822,434$49.88MInstitution
Elan Corp PLC5.91%3,182,253$41.53MInsider
Palo Alto Investors LP3.23%1,737,964$22.68MInstitution

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PRTA vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PRTA51.78%48.22%Net Buying
ETNB87.03%12.97%Net BuyingNet Selling
DNTH48.23%51.77%Net Buying
CRMD31.51%10.40%Net SellingNet Selling
QURE79.76%13.80%Net SellingNet Selling
View Top Biotech Stocks

Prothena Public Co Stock Ownership FAQ

Who owns Prothena Public Co?

Prothena Public Co (NASDAQ: PRTA) is owned by 94.61% institutional shareholders, 88.09% Prothena Public Co insiders, and 0.00% retail investors. Ecor1 Capital LLC is the largest individual Prothena Public Co shareholder, owning 34.75M shares representing 64.59% of the company. Ecor1 Capital LLC's Prothena Public Co shares are currently valued at $453.52M.

If you're new to stock investing, here's how to buy Prothena Public Co stock.
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