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Basics
Prothena Corporation plc Ordinary Shares
Prothena Corp PLC is a biotechnology company. It discovers and develops novel antibodies for the potential treatment of a broad range of diseases that involve protein misfolding or cell adhesion.
IPO Date: December 21, 2012
Sector: Healthcare
Industry: Biotech
Market Cap: $460.25M
Activated in VL: True
Average Daily Range
Avg Daily Range: $0.88 | 2.89%
Avg Daily Range (30 D): $0.13 | 1.71%
Avg Daily Range (90 D): $0.16 | 2.33%
Institutional Daily Volume
Avg Daily Volume: .37M
Avg Daily Volume (30 D): .96M
Avg Daily Volume (90 D): 1.34M
Trade Size
Avg Trade Size (Sh.): 78
Avg Trade Size (Sh.) (30 D): 85
Avg Trade Size (Sh.) (90 D): 107
Institutional Trades
Total Inst.Trades: 3,437
Avg Inst. Trade: $1.88M
Avg Inst. Trade (30 D): $1.15M
Avg Inst. Trade (90 D): $1.7M
Avg Inst. Trade Volume: .06M
Avg Inst. Trades (Per Day): 1
Market Closing Trades
Avg Closing Trade: $2.21M
Avg Closing Trade (30 D): $1.16M
Avg Closing Trade (90 D): $1.29M
Avg Closing Volume: 68.77K
   
News
Aug 29, 2025 @ 2:09 PM
FDA Tightens Safety Guidelines For Biogen Leqembi ...
Source: Vandana Singh
Feb 17, 2025 @ 11:10 PM
Kuehn Law Encourages Investors of Prothena Corpora...
Source: N/A
Feb 13, 2025 @ 6:00 PM
Alpha-Synuclein Inhibitors Clinical Trial Pipeline...
Source: Delveinsight
Dec 19, 2024 @ 4:31 PM
Roche-Prothena Partnered Mid-Stage Parkinson's Tri...
Source: Benzinga
Oct 14, 2024 @ 5:00 PM
Tau Inhibitors Clinical Trial Pipeline Analysis De...
Source: Delveinsight
Financials
  TTM Q2 2025 Q1 2025
Basic EPS $-5.62 $-2.34 $-1.12
Diluted EPS $-5.62 $-2.34 $-1.12
Revenue $ 10.34M $ 4.42M $ 2.83M
Gross Profit $ $ $
Net Income / Loss $ -302.92M $ -125.77M $ -60.2M
Operating Income / Loss $ -281.61M $ -84.62M $ -65.58M
Cost of Revenue $ $ $
Net Cash Flow $ -192.69M $ -46.5M $ -53.45M
PE Ratio