# Alpine Immune Sciences funding: rounds and investors > Alpine Immune Sciences has raised $199M across 3 rounds since 2015. Investors include OrbiMed, TCG and Omega Funds. Every round with its source. Source: https://millionrounds.com/company/alpine-immune-sciences (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Alpine Immune Sciences* 3 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Healthcare Funding summary Updated 26 Oct 2026 **$199M** raised across 3 rounds since 2015, from 3 sources **$1.3M** Seed **$48M** Series A **$150M** Round - **Latest round:** Round, $150M Nov 2023 - **Step-up i:** 3.1× - **Investors:** 5 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2015 2017 2019 2021 2023 **$1.3M** Seed **$48M** Series A **$150M** Round - **First round:** Seed, $1.3M - **Biggest round:** $150M - **Usual gap between rounds:** 7.4 years ## The rounds - **Nov 2023** Round **$150M** *4 new* *1 returning* [OrbiMed](https://millionrounds.com/fund/orbimed) [TCG](https://millionrounds.com/fund/tcg) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) Source recorded - **Jun 2016** Series A **$48M** *1 new* [OrbiMed](https://millionrounds.com/fund/orbimed) Reported by Businesswire SEC filing: $10M sold, first sale Jun 2016 - **Jan 2015** Seed **$1.3M** No investor was named in the report. From a historical funding record SEC filing: $1.0M sold, first sale Jan 2015 ## Founders and team From the SEC filings it signed: 4 on the team. - **James Paul Rickey** Senior Vice President and Chief Financial Officer i - **Mitchell Paul Gold** Executive Chairman and Chief Executive Officer i - **Stanford Paul Peng** President and Head of Research and Development i - **Zelanna Paul Goldberg** Executive Officer i On the board, as filed i *Christopher Paul Peetz* *Cui Paul Xiangmin* *James Paul Topper* *Jay Paul Venkatesan* *Natasha Paul Hernday* *Peter Paul Thompson* *Robert Paul Conway* ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2015 **Series A** 2016 **Round** 2023 [OrbiMed](https://millionrounds.com/fund/orbimed) [TCG](https://millionrounds.com/fund/tcg) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) ## Everyone who backed them [OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **2** rounds [TCG](https://millionrounds.com/fund/tcg) Private equity **1** round [Omega Funds](https://millionrounds.com/fund/omega-funds) VC firm **1** round [Samsara BioCapital](https://millionrounds.com/fund/samsara-biocapital) VC firm **1** round [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=alpine-immune-sciences). ## Also claim to have backed them This firm lists Alpine Immune Sciences as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Decheng Capital](https://millionrounds.com/fund/decheng-capital) VC firm Per its own site ## Quick answers about Alpine Immune Sciences ### Who invested in Alpine Immune Sciences? Alpine Immune Sciences's investors include OrbiMed, TCG, Omega Funds, Samsara BioCapital and TCG Crossover. ### How much has Alpine Immune Sciences raised? Alpine Immune Sciences has raised $199M across 3 rounds since 2015. ### When did Alpine Immune Sciences last raise? Alpine Immune Sciences's most recent round was an Undisclosed round of $150M in Nov 2023. ### What was Alpine Immune Sciences's biggest round? Its most recent round, $150M in Nov 2023, is also its largest on record. ### Who backed Alpine Immune Sciences first? Alpine Immune Sciences's first round on record, in Jun 2016, was backed by OrbiMed. ### What stage is Alpine Immune Sciences at? Alpine Immune Sciences's latest named round is an Undisclosed round, in Nov 2023. ### Where is Alpine Immune Sciences based? Alpine Immune Sciences is based in the United States. ## Companies like Alpine Immune Sciences In the same sector, and raised in the last eighteen months. [**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app