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DOW   37,775.38
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What's Driving Tesla Lower Ahead of its Earnings?
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'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China
S&P 500   5,011.12
DOW   37,775.38
QQQ   423.41
What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Wall Street drifts to a mixed finish as yields tick higher
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China
S&P 500   5,011.12
DOW   37,775.38
QQQ   423.41
What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Wall Street drifts to a mixed finish as yields tick higher
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China
S&P 500   5,011.12
DOW   37,775.38
QQQ   423.41
What's Driving Tesla Lower Ahead of its Earnings?
Stock market today: Wall Street drifts to a mixed finish as yields tick higher
How major US stock indexes fared Thursday, 4/18/2024
3 Steel Stocks Could Soar on New China Tariffs
CSX Co.: The Railroad Powering Ahead with an Earnings Beat
These are the Top 4 Stocks for Buybacks in 2024
'There is no time to waste': EU leaders want to boost competitiveness to close gap with US and China

Compare Stocks

Comparative Price Performance Over Time

Compare Stocks - Price & Volume

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
$19.83
-7.6%
$23.31
$13.36
$27.50
$530.65M-0.3313,406 shs363,855 shs
Athersys, Inc. stock logo
ATHX
Athersys
$0.00
$0.01
$0.01
$1.99
$204K-0.91.77 million shs472,125 shs
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
$4.99
-3.5%
$5.70
$2.13
$7.73
$240.57M1.28573,195 shs289,054 shs
Prothena Co. plc stock logo
PRTA
Prothena
$20.57
-2.0%
$26.09
$20.44
$79.65
$1.11B0.21774,167 shs567,688 shs
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Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
+0.61%-3.16%-7.34%-9.37%-3.46%
Athersys, Inc. stock logo
ATHX
Athersys
-9.09%-20.00%-20.00%-87.46%-99.60%
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
+1.37%-6.43%+10.94%+0.98%+80.77%
Prothena Co. plc stock logo
PRTA
Prothena
-1.59%-7.98%-16.30%-35.02%-60.47%

MarketRank™

CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
2.507 of 5 stars
4.40.00.00.02.62.50.6
Athersys, Inc. stock logo
ATHX
Athersys
N/AN/AN/AN/AN/AN/AN/AN/A
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
2.5213 of 5 stars
3.52.00.00.01.33.31.3
Prothena Co. plc stock logo
PRTA
Prothena
2.8342 of 5 stars
4.41.00.00.01.04.20.6

Analyst Ratings

CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
2.80
Moderate Buy$46.22133.09% Upside
Athersys, Inc. stock logo
ATHX
Athersys
N/AN/AN/AN/A
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
3.00
Buy$7.0040.28% Upside
Prothena Co. plc stock logo
PRTA
Prothena
2.78
Moderate Buy$69.63238.48% Upside

Current Analyst Ratings

Latest PBYI, ATHX, PRTA, and ANAB Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
4/16/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
Leerink Partnrs
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOutperform
4/16/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
SVB Leerink
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageOutperform$47.00
4/11/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
Wells Fargo & Company
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageOverweight$56.00
4/10/2024
Prothena Co. plc stock logo
PRTA
Prothena
Cantor Fitzgerald
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingOverweight
4/1/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
JPMorgan Chase & Co.
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetNeutral ➝ Neutral$30.00 ➝ $28.00
3/13/2024
Prothena Co. plc stock logo
PRTA
Prothena
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Reiterated RatingBuy ➝ Buy$90.00
3/12/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
Wedbush
Subscribe to MarketBeat All Access for the recommendation accuracy rating
UpgradeNeutral ➝ Outperform$20.00 ➝ $34.00
3/1/2024
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
HC Wainwright
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetBuy ➝ Buy$8.00 ➝ $7.00
2/26/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
BTIG Research
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageBuy$55.00
2/21/2024
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
Stifel Nicolaus
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Initiated CoverageBuy$50.00
2/20/2024
Prothena Co. plc stock logo
PRTA
Prothena
Oppenheimer
Subscribe to MarketBeat All Access for the recommendation accuracy rating
Lower Price TargetOutperform ➝ Outperform$98.00 ➝ $80.00
(Data available from 4/18/2021 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Sales & Book Value

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
$17.16M30.92N/AN/A$3.32 per share5.97
Athersys, Inc. stock logo
ATHX
Athersys
$146K1.40N/AN/A($1.33) per share0.00
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
$235.60M1.02$0.68 per share7.33$1.12 per share4.46
Prothena Co. plc stock logo
PRTA
Prothena
$91.37M12.09N/AN/A$10.46 per share1.97

Profitability & Earnings

CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
-$163.62M-$6.08N/AN/AN/A-953.66%-119.42%-32.58%5/9/2024 (Estimated)
Athersys, Inc. stock logo
ATHX
Athersys
-$72.53M-$2.03N/AN/AN/AN/A-223.03%N/A
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
$21.59M$0.4610.8517.212.909.16%58.21%10.40%5/2/2024 (Estimated)
Prothena Co. plc stock logo
PRTA
Prothena
-$147.03M-$2.80N/AN/AN/A-160.91%-24.84%-20.24%5/2/2024 (Estimated)

Latest PBYI, ATHX, PRTA, and ANAB Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
3/11/2024Q4 2023
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
-$1.74-$1.59+$0.15-$1.59$3.28 million$9.01 million
2/29/2024Q4 2023
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
$0.33$0.26-$0.07$0.26$73.22 million$72.20 million
2/15/2024Q4 2023
Prothena Co. plc stock logo
PRTA
Prothena
-$1.23-$1.26-$0.03-$1.26$2.15 million$0.32 million    

Dividends

CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
N/AN/AN/AN/AN/A
Athersys, Inc. stock logo
ATHX
Athersys
N/AN/AN/AN/AN/A
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
N/AN/AN/AN/AN/A
Prothena Co. plc stock logo
PRTA
Prothena
N/AN/AN/AN/AN/A

Debt

CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
N/A
10.87
10.87
Athersys, Inc. stock logo
ATHX
Athersys
N/A
0.06
0.06
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
1.23
1.57
1.50
Prothena Co. plc stock logo
PRTA
Prothena
N/A
11.24
11.24

Ownership

Institutional Ownership

CompanyInstitutional Ownership
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
N/A
Athersys, Inc. stock logo
ATHX
Athersys
19.35%
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
61.29%
Prothena Co. plc stock logo
PRTA
Prothena
97.08%

Insider Ownership

CompanyInsider Ownership
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
35.50%
Athersys, Inc. stock logo
ATHX
Athersys
0.03%
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
22.70%
Prothena Co. plc stock logo
PRTA
Prothena
28.20%

Miscellaneous

CompanyEmployeesShares OutstandingFree FloatOptionable
AnaptysBio, Inc. stock logo
ANAB
AnaptysBio
11726.76 million17.26 millionOptionable
Athersys, Inc. stock logo
ATHX
Athersys
2461.72 million61.70 millionOptionable
Puma Biotechnology, Inc. stock logo
PBYI
Puma Biotechnology
18548.21 million37.26 millionOptionable
Prothena Co. plc stock logo
PRTA
Prothena
17353.72 million38.57 millionOptionable

PBYI, ATHX, PRTA, and ANAB Headlines

SourceHeadline
Zacks Research Brokers Increase Earnings Estimates for Prothena Co. plc (NASDAQ:PRTA)Zacks Research Brokers Increase Earnings Estimates for Prothena Co. plc (NASDAQ:PRTA)
americanbankingnews.com - April 18 at 5:46 AM
Prothena (NASDAQ:PRTA) Hits New 12-Month Low at $21.31Prothena (NASDAQ:PRTA) Hits New 12-Month Low at $21.31
americanbankingnews.com - April 18 at 4:50 AM
Prothena reports potential AL amyloidosis treatmentProthena reports potential AL amyloidosis treatment
investing.com - April 17 at 1:23 AM
Prothena (NASDAQ:PRTA) Reaches New 1-Year Low at $21.31Prothena (NASDAQ:PRTA) Reaches New 1-Year Low at $21.31
marketbeat.com - April 16 at 11:02 AM
Financial Comparison: Prothena (NASDAQ:PRTA) and China Health Industries (OTCMKTS:CHHE)Financial Comparison: Prothena (NASDAQ:PRTA) and China Health Industries (OTCMKTS:CHHE)
americanbankingnews.com - April 16 at 2:40 AM
Prothena Announces Review on Birtamimab Mechanism of Action and Pharmacological Characteristics Published in Leukemia & LymphomaProthena Announces Review on Birtamimab Mechanism of Action and Pharmacological Characteristics Published in Leukemia & Lymphoma
businesswire.com - April 15 at 4:05 PM
Q1 2024 EPS Estimates for Prothena Co. plc Cut by Leerink Partnrs (NASDAQ:PRTA)Q1 2024 EPS Estimates for Prothena Co. plc Cut by Leerink Partnrs (NASDAQ:PRTA)
americanbankingnews.com - April 13 at 1:30 AM
Leerink Partnrs Weighs in on Prothena Co. plcs Q1 2024 Earnings (NASDAQ:PRTA)Leerink Partnrs Weighs in on Prothena Co. plc's Q1 2024 Earnings (NASDAQ:PRTA)
marketbeat.com - April 12 at 6:08 AM
Prothena (NASDAQ:PRTA) Sets New 52-Week Low at $21.91Prothena (NASDAQ:PRTA) Sets New 52-Week Low at $21.91
americanbankingnews.com - April 12 at 4:06 AM
Prothena (NASDAQ:PRTA) Trading Up 3.7%Prothena (NASDAQ:PRTA) Trading Up 3.7%
marketbeat.com - April 11 at 2:49 PM
Prothenas (PRTA) "Overweight" Rating Reaffirmed at Cantor FitzgeraldProthena's (PRTA) "Overweight" Rating Reaffirmed at Cantor Fitzgerald
americanbankingnews.com - April 11 at 4:58 AM
Prothena (NASDAQ:PRTA) Stock Rating Reaffirmed by Cantor FitzgeraldProthena (NASDAQ:PRTA) Stock Rating Reaffirmed by Cantor Fitzgerald
marketbeat.com - April 10 at 2:17 PM
Prothena (NASDAQ:PRTA) Hits New 12-Month Low at $21.91Prothena (NASDAQ:PRTA) Hits New 12-Month Low at $21.91
marketbeat.com - April 10 at 10:44 AM
Prothena (NASDAQ:PRTA) Stock Price Down 3%Prothena (NASDAQ:PRTA) Stock Price Down 3%
marketbeat.com - April 4 at 5:28 PM
Prothena (NASDAQ:PRTA) Sets New 12-Month Low at $23.41Prothena (NASDAQ:PRTA) Sets New 12-Month Low at $23.41
marketbeat.com - April 3 at 12:47 PM
Prothena (NASDAQ:PRTA) Shares Gap Down to $26.15Prothena (NASDAQ:PRTA) Shares Gap Down to $26.15
marketbeat.com - April 2 at 11:19 AM
Prothena Co. plc (NASDAQ:PRTA) Given Average Rating of "Moderate Buy" by BrokeragesProthena Co. plc (NASDAQ:PRTA) Given Average Rating of "Moderate Buy" by Brokerages
marketbeat.com - April 1 at 4:15 AM
Prothena (NASDAQ:PRTA) Trading Down 2.3%Prothena (NASDAQ:PRTA) Trading Down 2.3%
marketbeat.com - March 28 at 4:33 PM
Prothena Co. plc (NASDAQ:PRTA) Shares Purchased by SG Americas Securities LLCProthena Co. plc (NASDAQ:PRTA) Shares Purchased by SG Americas Securities LLC
marketbeat.com - March 25 at 5:41 AM
Prothena (NASDAQ:PRTA) Stock Price Down 4.9%Prothena (NASDAQ:PRTA) Stock Price Down 4.9%
marketbeat.com - March 18 at 11:55 AM
Prothena Co. plc (NASDAQ:PRTA) Shares Sold by Wellington Management Group LLPProthena Co. plc (NASDAQ:PRTA) Shares Sold by Wellington Management Group LLP
marketbeat.com - March 18 at 4:53 AM
Demystifying Prothena Corp: Insights From 8 Analyst ReviewsDemystifying Prothena Corp: Insights From 8 Analyst Reviews
markets.businessinsider.com - March 13 at 3:52 PM
Piper Sandler Reaffirms Their Buy Rating on Prothena (PRTA)Piper Sandler Reaffirms Their Buy Rating on Prothena (PRTA)
markets.businessinsider.com - March 7 at 6:13 PM
Prothena to Participate in Upcoming Healthcare ConferencesProthena to Participate in Upcoming Healthcare Conferences
businesswire.com - March 5 at 4:05 PM

New MarketBeat Followers Over Time

Media Sentiment Over Time

Company Descriptions

AnaptysBio logo

AnaptysBio

NASDAQ:ANAB
AnaptysBio, Inc., a clinical-stage biotechnology company, focuses in delivering immunology therapeutics. Its products include Rosnilimab, an IgG1 antibody that targets PD-1+ T cells, resulting in their agonism or depletion, broadly impacting pathogenic drivers of autoimmune and inflammatory diseases; and ANB032, a non-depleting antibody that binds to the BTLA checkpoint receptor and inhibits activated T cell proliferation; ANB033, a novel anti-CD122 antagonist antibody that targets the shared common beta subunit of the receptors for IL-15 and IL-2; ANB101, a BDCA2 modulator antibody that specifically targets plasmacytoid dendritic cells (pDCs); and Imsidolimab, an antibody that inhibits the interleukin-36 receptor, which is in the Phase 3 development for the treatment of generalized pustular psoriasis. The company also focuses on developing various antibody programs that are advanced to preclinical and clinical milestones under its collaborations. It has a collaboration and license agreement with GlaxoSmithKline, Inc. The company was formerly known as Anaptys Biosciences, Inc. and changed its name to AnaptysBio, Inc. in July 2006. AnaptysBio, Inc. was incorporated in 2005 and is based in San Diego, California.
Athersys logo

Athersys

NASDAQ:ATHX
Athersys, Inc., a biotechnology company, focuses on the research and development activities in the field of regenerative medicine. Its clinical development programs are focused on treating neurological conditions, cardiovascular diseases, inflammatory and immune disorders, and pulmonary and other conditions. The company's lead platform product includes MultiStem cell therapy, an allogeneic stem cell product for the treatment of patients suffering from neurological damage from an ischemic stroke, as well as for acute respiratory distress syndrome, trauma complications, HSC transplant support, and other indications. It also develops MultiStem cell therapy to promote tissue repair and healing for animal patients. The company has license and collaboration agreements with Healios K.K. to develop and commercialize MultiStem cell therapy for ischemic stroke, acute respiratory distress syndrome, and ophthalmological indications, as well as for the treatment of liver, kidney, pancreas, and intestinal tissue diseases; and the University of Minnesota to develop MultiStem cell therapy platform. The company was founded in 1995 and is headquartered in Cleveland, Ohio.
Puma Biotechnology logo

Puma Biotechnology

NASDAQ:PBYI
Puma Biotechnology, Inc., a biopharmaceutical company, focuses on the development and commercialization of products to enhance cancer care in the United States and internationally. The company offers NERLYNX, an oral version of neratinib that is used to treat adult patients with early stage HER2-overexpressed/amplified breast cancer; and advanced or metastatic HER2-positive breast cancer when combined with capecitabine. It also develops alisertib, a small molecule inhibitor of aurora kinase A for the treatment of hormone receptor positive breast cancer, triple negative breast cancer, small cell lung cancer, and head and neck cancer. The company sells its products through specialty pharmacy and distributor networks. It has license agreements with Pfizer Inc. for the development, manufacture, and commercialization of neratinib (oral), neratinib (intravenous), PB357, and related compounds; and Takeda Pharmaceutical Company Limited for the research, development, and commercialization of alisertib, as well as sub-license agreements with Specialised Therapeutics Asia Pte Ltd., Medison Pharma Ltd., Pint Pharma International SA, Knight Therapeutics, Inc., Pierre Fabre Medicament SAS, and Bixink Therapeutics Co., Ltd. The company was founded in 2010 and is headquartered in Los Angeles, California.
Prothena logo

Prothena

NASDAQ:PRTA
Prothena Corporation plc, a late-stage clinical biotechnology company, focuses on discovery and development of novel therapies to treat diseases caused by protein dysregulation 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, for the treatment of Parkinson's disease and other related synucleinopathies which is in Phase IIb clinical trial; NNC6019 that is in Phase lI clinical trial for the treatment of ATTR amyloidosis; and BMS-986446 and PRX012, which is in Phase I clinical trial for the treatment of Alzheimer's disease. Its discovery and preclinical programs include PRX123, a dual Aß-Tau vaccine for the treatment and prevention of Alzheimer's disease; and PRX019 for the treatment of neurogenerative diseases, as well as TDP-43 for the treatment of amyotrophic lateral sclerosis. 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 a-synuclein, including prasinezumab; and a collaboration agreement with Bristol-Myers Squibb to develop and commercialize antibodies targeting tau, TDP-43. The company was incorporated in 2012 and is based in Dublin, Ireland.