Alpine Immune Sciences

1D
1W
1M
3M
YTD
1Y
5Y
ALL

Why Robinhood?

You can watch ALPN and buy or sell other stocks, ETFs, and their options commission-free!

About ALPN

Alpine Immune Sciences, Inc. is a clinical-stage biopharmaceutical company, which focusses on discovering and developing protein-based immunotherapies to treat autoimmune and inflammatory diseases. Its product pipeline includes inflammatory diseases, immuno-oncology, and engineered cellular therapies. 

CEO
Mitchell H. Gold, MD
CEOMitchell H. Gold, MD
Employees
Employees
Headquarters
Seattle, Washington
HeadquartersSeattle, Washington
Founded
2007
Founded2007
Employees
Employees

ALPN Key Statistics

Market cap
4.46B
Market cap4.46B
Price-Earnings ratio
-93.75
Price-Earnings ratio-93.75
Dividend yield
Dividend yield
Average volume
558.17K
Average volume558.17K
High today
High today
Low today
Low today
Open price
Open price
Volume
0.00
Volume0.00
52 Week high
$65.00
52 Week high$65.00
52 Week low
$8.33
52 Week low$8.33

Stock Snapshot

The current Alpine Immune Sciences(ALPN) stock price is $64.97, with a market capitalization of 4.46B. The stock trades at a price-to-earnings (P/E) ratio of -93.75.

On 2026-02-23, Alpine Immune Sciences(ALPN) stock opened at —, reached a high of —, and a low of —.

Alpine Immune Sciences(ALPN) shares are trading with a volume of 0, against a daily average of 558.17K.

In the last year, Alpine Immune Sciences(ALPN) shares hit a 52-week high of $65.00 and a 52-week low of $8.33.

In the last year, Alpine Immune Sciences(ALPN) shares hit a 52-week high of $65.00 and a 52-week low of $8.33.

People also own

Based on the portfolios of people who own ALPN. This list is generated using Robinhood data, and it’s not a recommendation.

Similar Marketcap

This list is generated by looking at the six larger and six smaller companies by market cap in relation to this company.

Popular Stocks

This list is generated by looking at the top 100 stocks and ETFs most commonly held by Robinhood customers and showing a random subset

Newly Listed

This list is generated by showing companies that recently went public.

All investments involve risks, including the loss of principal. Securities trading offered through Robinhood Financial LLC, Member SIPC and a registered broker-dealer. Options are risky and aren’t suitable for all investors. To learn more about risks, read the Options Disclosure Document.