After Hours
$
60.06
Change
+2.31 +4.00%
Volume
Volume 12,171
Feb 3, 2023, 5:42 p.m.
Quotes are delayed by 20 min
Today's close
$ 55.55
$ 57.75
Change
+2.20 +3.96%
Day low
Day high
$54.45
$58.12

52 week low
52 week high
$21.06
$66.47

Market cap
$2.87B
Average volume
561,370
P/E ratio
N/A
Rev. per Employee
$62,854
EPS
-3.34
Dividend
N/A
Div yield
N/A
Ex dividend date
N/A
MarketWatch News on PRTA
-
What to Know About the FDA's Approval of Biogen's Alzheimer's Drug
- Barron's Online
-
Biotech stocks are a buy — especially these 18 picks
- Michael Brush
-
Prothena upgraded to outperform from perform at Oppenheimer
- Tomi Kilgore
-
Prothena upgraded to outperform from in line at Evercore ISI
- Tomi Kilgore
-
Prothena shares slide 2.2% premarket
- Ciara Linnane
-
Prothena to lay off 57% of its workforce in reorganization
- Ciara Linnane
-
Prothena expects to burn $40 mln to $50 mln of cash in 2018
- Ciara Linnane
-
Prothena downgraded to sector perform from outperform at RBC Capital
- Tomi Kilgore
-
Prothena shares plummet 60% on discontinued drug
- Emma Court
-
Prothena shares plummet 60% on discontinued drug
- Emma Court
-
Prothena shares surge on Celgene collaboration
- Wallace Witkowski
-
Top Doc Quits Prothena As Key Trial Nears
- Barrons Blogs
-
Health-care ETF tumbles, pressured by pharmaceutical company weakness
- Ryan Vlastelica
-
Biotech Prothena shares fall after it scraps psoriasis trial
- Ciara Linnane
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Analyst Ratings
-
- Benzinga.com
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Here's Why There's Been A Rush Of Biotech Offerings
- Benzinga.com
Other News on PRTA
-
Birchview Capital, LP Buys 3, Sells 2 in 3rd Quarter
- GuruFocus.com
-
This Insider Just Sold Shares of Prothena Corp PLC
- GuruFocus.com
-
Birchview Capital, LP Buys 3, Sells 2 in 3rd Quarter
- GuruFocus.com
-
10-Q: PROTHENA CORP PUBLIC LTD CO
- Edgar Online - (EDG = 10Q, 10K)
-
Trading Ideas On The Upcoming CTAD 2022 Conference
- Seeking Alpha
-
SILVERARC CAPITAL MANAGEMENT, LLC Buys 4, Sells 1 in 3rd Quarter
- GuruFocus.com
-
Should Investors Worry About Prothena Corp PLC's Insider Sells?
- GuruFocus.com
-
Prothena: Paying A Premium To Cover All The Alzheimer's Bases
- Seeking Alpha
- Loading more headlines...
Press Releases on PRTA
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Prothena Announces Pricing of Public Offering of 3,250,000 Ordinary Shares
- BusinessWire - BZX
-
Prothena Announces Proposed Public Offering of Ordinary Shares
- BusinessWire - BZX
-
Prothena Reports Third Quarter 2022 Financial Results and Business Highlights
- BusinessWire - BZX
-
Alzheimer's Pipeline of New Treatments Race to Improve Quality of Life for Patients
- Financial News Media
-
Prothena to Participate in Upcoming Healthcare Conferences
- GlobeNewswire
-
Prothena to Participate in Jefferies Healthcare Conference
- GlobeNewswire
- Loading more headlines...
Rates »
National averages from Bankrate.com
National averages from Bankrate.com
National averages from Bankrate.com