COMPANY PROFILE · UPDATED 18 NOV 2025

Alpine Immune Sciences

Alpine Immune Sciences, Inc. (AIS) focuses on developing novel protein-based cancer immunotherapies using its proprietary variant ig domain (vIgD) platform technology. The Company develops TIP technology, based on the vIgD platform, to…

Seattle, WA

alpineimmunesciences.com ↗

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Founded: 2015
Headcount: 111
Open roles: 0
Last raised: Post Ipo Equity

LOCATIONS

Where they work

Alpine Immune Sciences offices

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Seattle, WA188 E Blaine St suite 200

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FUNDING

Capital raised

Total raised

$515,300,000

Investors

Tiger Global Management Alpine BioVentures GP Avidity Partners BVF Partners Bridger Management Decheng Capital Deerfield Management EcoR1 Capital Frazier Management Jennison Associates Logos Capital Omega Fund Management OrbiMed Advisors RA Capital Management Rock Springs Capital Sabby Management Samsara BioCapital TCG Crossover Management Wellington Management

Funding rounds

Post Ipo Equity
$150MNov 5, 2023
Post Ipo Equity
$100MSep 19, 2022
Post Ipo Equity
Frazier Management, Logos Capital, BVF Partners, OrbiMed Advisors, Avidity Partners, Decheng Capital, Omega Fund Management, TCG Crossover Management
$91MSep 14, 2021
Post Ipo Equity
Omega Fund Management, Avidity Partners, EcoR1 Capital, Samsara BioCapital
$60MJul 23, 2020
Post Ipo Equity
Decheng Capital, OrbiMed Advisors, Frazier Management, Alpine BioVentures GP, BVF Partners
$25MJan 15, 2019
Series A
OrbiMed Advisors, Frazier Management, Alpine BioVentures GP
$48MJun 12, 2016
IPO
UndisclosedJun 17, 2015
Seed
$1.3MJan 22, 2015
Series Unknown
Wellington Management, RA Capital Management, Jennison Associates, Rock Springs Capital, Sabby Management
$30MNov 18, 2014
Series B
Bridger Management, Tiger Global Management, Deerfield Management
$10MJul 11, 2010

Funding data via Diffbot, SEC EDGAR filings and company announcements — a round from a filing or announcement links to it

OPEN ROLES

Roles at Alpine Immune Sciences

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LEADERSHIP