Prothena Corporation plc

Prothena Corporation plc

PRTA·NASDAQ

$8.92

-2.9%
HealthcareBiotechnology

Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a humanized monoclonal antibody, which is in Phase IIb clinical trial for the treatment of Parkinson's disease; PRX004 that completed Phase I clinical trial for the treatment of Transthyretin amyloidosis; and PRX005, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX012 for the treatment of Alzheimer's disease; and dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease. Prothena Corporation plc has a license, development, and commercialization agreement with F. Hoffmann-La Roche Ltd. and Hoffmann-La Roche Inc. to develop and commercialize antibodies that target alpha-synuclein; and a collaboration agreement with Bristol-Myers Squibb to develop antibodies. The company was founded in 2012 and is based in Dublin, Ireland.

At a Glance

Live Snapshot
Market Cap$466.99M
EPS-4.5300
P/E Ratio-1.97
Earnings Date08/03/2026
Prothena Corporation plc

Prothena Corporation plc Fair Value Envelope

PRTA · NASDAQ

Our analysis suggests that PRTA has a fair value of HIDDEN per share in the Base Case projection. With shares currently trading at $8.92, this represents a potential HIDDEN relative to our calculated worth for Prothena Corporation plc.

Intrinsic Value
Current Price: $8.92

Owner Earnings Valuation Tool

Warren Buffett's Owner Earnings DCF analysis for intrinsic value calculation

Historical Financial Data

Base year metrics used for projections

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Projection Settings

Forecast period and terminal assumptions

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DCF Valuation Summary

Calculation flow from present value to intrinsic value per share

Present Value-$721.3M
+ Cash & Equivalents$307.5M
Firm Value-$413.8M
- Debt$13.9M
Equity Value-$427.7M
/ Shares Outstanding52,353,237B
DCF Value-$8
OVERVALUED BY 192%

Owner Earnings Projections

Operating Cash Flow - Maintenance CapEx = Owner Earnings

Metric
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Year 8
Year 9
Year 10
Operating Cash Flow
-$149.0M
-$135.8M
-$123.7M
-$112.7M
-$102.7M
-$93.6M
-$85.2M
-$77.7M
-$70.7M
-$64.5M
Maintenance CapEx
-$25.1K
-$22.9K
-$20.9K
-$19.0K
-$17.3K
-$15.8K
-$14.4K
-$13.1K
-$11.9K
-$10.9K
Owner Earnings
-$149.1M
-$135.8M
-$123.7M
-$112.7M
-$102.7M
-$93.6M
-$85.2M
-$77.7M
-$70.8M
-$64.5M
Discount Factor
0.926
0.857
0.794
0.735
0.681
0.630
0.583
0.540
0.500
0.463
Present Value
-$138.0M
-$116.4M
-$98.2M
-$82.9M
-$69.9M
-$59.0M
-$49.7M
-$42.0M
-$35.4M
-$29.9M
Terminal Value represents 0.0% of Enterprise Value
Negative Owner Earnings
This company generates negative free cash flow. Consider adjusting maintenance CapEx percentage or check the financial data.