PRTA: Prothena Corporation plc Stock

SIC 2834 – Pharmaceutical Preparations

Valuation
Market Cap ($M) 399.93
Enterprise Value ($M) -18.00
Book Value ($M) 437.68
Book Value / Share 8.13
Price / Book 0.91
NCAV ($M) 378.52
NCAV / Share 7.03
Price / NCAV 1.06

Profitability (mra)
Return on Invested Capital (ROIC) -0.25
Return on Assets (ROA) -0.18
Return on Equity (ROE) -0.22

Liquidity (mrq)
Quick Ratio 9.00
Current Ratio 9.00

Balance Sheet (mrq) ($M)
Current Assets 436.17
Assets 495.34
Liabilities 57.66
Debt n/a
Equity n/a

Income Statement (mra) ($M)
Revenue 135.16
Operating Income -154.56
Net Income -122.31
Earnings Per Share Basic And Diluted n/a
Earnings Per Share Diluted n/a
Earnings Per Share Basic n/a

Cash Flow Statement (mra) ($M)
Cash From Operations -150.05
Cash from Investing -0.30
Cash from Financing 1.55

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File Date Form Activist 13D/G Investors Ownership
(%)
Change
(%)
4 days ago 13D/A EcoR1 Capital, LLC 9.90 -54.21
02-21 13G/A Scully William P 10.30 37.71
02-14 13G/A Fennell Todd W. 8.60 46.59
02-10 13G/A Wellington Management Group Llp 9.50 22.78
11-14 13G/A Price T Rowe Associates Inc /md/ 7.10 -9.91
10-18 13G/A State Street Corp 3.10 -39.28

Top 13F Investors Shares
(1000)
Change
(%)
Value
($1000)
Change
(%)

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Date Insider Trades Code Shares Value

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File Date Form SEC Filings
2025-05-08 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q
2025-02-27 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K
2024-11-12 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q
2024-08-08 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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Short Volume
Market Date Short Volume Total Volume Short Volume Ratio
2025-05-09 261,997 1,481,456 17.69
2025-05-08 199,794 1,534,982 13.02
2025-05-07 178,352 1,571,519 11.35
2025-05-06 343,775 3,661,482 9.39
2025-05-05 312,581 2,183,744 14.31

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Similar Companies
PMVP – PMV Pharmaceuticals, Inc. PRAX – Praxis Precision Medicines, Inc.
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PYXS – Pyxis Oncology, Inc.


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