Alexion Pharmaceuticals
1D
1W
1M
3M
YTD
1Y
5Y
ALL
Why Robinhood?
You can watch ALXN and buy or sell other stocks, ETFs, and their options commission-free!About ALXN
Alexion Pharmaceuticals, Inc. engages in the business of serving patients and families affected by rare diseases and devastating conditions through the discovery, development, and commercialization of life-changing medicines. The firm also focuses on the development of haematology, nephrology, neurology, metabolic disorders, cardiology, and ophthalmology.
CEOMarc Pierre Jean Dunoyer, MBA
CEOMarc Pierre Jean Dunoyer, MBA
Employees—
Employees—
HeadquartersBoston, Massachusetts
HeadquartersBoston, Massachusetts
Founded1992
Founded1992
Employees—
Employees—
ALXN Key Statistics
Market cap40.34B
Market cap40.34B
Price-Earnings ratio59.70
Price-Earnings ratio59.70
Dividend yield—
Dividend yield—
Average volume14.86M
Average volume14.86M
High today—
High today—
Low today—
Low today—
Open price—
Open price—
Volume0.00
Volume0.00
52 Week high$187.45
52 Week high$187.45
52 Week low$99.91
52 Week low$99.91
Stock Snapshot
As of today, Alexion Pharmaceuticals(ALXN) shares are valued at $182.50. The company's market cap stands at 40.34B, with a P/E ratio of 59.70.
On 2025-11-05, Alexion Pharmaceuticals(ALXN) shares started trading at —, with intraday highs of — and lows of —.
Trading volume for Alexion Pharmaceuticals(ALXN) stock has reached 0, versus its average volume of 14.86M.
Over the past 52 weeks, Alexion Pharmaceuticals(ALXN) stock has traded between a high of $187.45 and a low of $99.91.
Over the past 52 weeks, Alexion Pharmaceuticals(ALXN) stock has traded between a high of $187.45 and a low of $99.91.
People also own
Based on the portfolios of people who own ALXN. This list is generated using Robinhood data, and it’s not a recommendation.