Prothena Corporation plc Company Information

Prothena Corporation plc's employee growth, exchange listings and data sources

Key Information

Name: Prothena Corporation plc
Ticker: 0PT
Exchange: DB
Founded: 2012
Industry: Biotechnology
Sector: Pharmaceuticals & Biotech
Market Cap: US$367.100m
Listing Market Cap: US$323.929m
Shares Outstanding: 53.83m
Website: https://www.prothena.com

Number of Employees

Location

Prothena Corporation plc
77 Sir John Rogerson’s Quay
Block C
Dublin
Co. Dublin
D02 VK60
Ireland

Listings

Ticker	Exchange	Primary Security	Security Type	Country	Currency	Listed on
PRTA	NasdaqGS (Nasdaq Global Select)	Yes	Ordinary Shares	US	USD	Dec 2012
0PT	DB (Deutsche Boerse AG)	Yes	Ordinary Shares	DE	EUR	Dec 2012
0Y3M	LSE (London Stock Exchange)	Yes	Ordinary Shares	GB	USD	Dec 2012

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/05/22 14:25
End of Day Share Price	2025/05/21 00:00
Earnings	2025/03/31
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Prothena Corporation plc is covered by 24 analysts. 9 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Geoffrey Meacham	Barclays
Tazeen Ahmad	BofA Global Research
null null	BTIG