# Alter funding: rounds and investors > Alter has raised $3.5M across 2 rounds since 2021. Investors include Y Combinator, General Catalyst and Greycroft. Every round with its source. Source: https://millionrounds.com/company/alter (Millionrounds; every figure on the page links to its filing or article) United States · [Pre-seed startup](https://millionrounds.com/companies) # Who invested in *Alter* 2 rounds we have observed, with the 6 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. Advanced Manufacturing Funding summary Updated 26 Oct 2026 **$3.5M** raised across 2 rounds since 2021, from 2 sources **$3.0M** Seed **$500K** Pre-seed - **Latest round:** Pre-seed, $500K Sept 2025 - **Biggest round:** $3.0M Seed · Oct 2021 - **Investors:** 6 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. 2022 2023 2024 2025 **$3.0M** Seed **$500K** Pre-seed - **First round:** Seed, $3.0M - **Biggest round:** $3.0M - **Between rounds:** 3.9 years ## The rounds - **Sept 2025** Pre-seed **$500K** *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded - **Oct 2021** Seed **$3.0M** *6 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Greycroft](https://millionrounds.com/fund/greycroft) [Betaworks](https://millionrounds.com/fund/betaworks) [Play Ventures](https://millionrounds.com/fund/play-ventures) [Weekend Fund](https://millionrounds.com/fund/weekend-fund) Source recorded ## Founders and team From Alter's own website: 2 founders. **Srikar Dandamuraju** Co-Founder & CEO **Kevan Dodhia** Co-Founder & CTO ## 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** 2021 **Pre-seed** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Greycroft](https://millionrounds.com/fund/greycroft) [Betaworks](https://millionrounds.com/fund/betaworks) [Play Ventures](https://millionrounds.com/fund/play-ventures) [Weekend Fund](https://millionrounds.com/fund/weekend-fund) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds [General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round [Greycroft](https://millionrounds.com/fund/greycroft) VC firm **1** round [Betaworks](https://millionrounds.com/fund/betaworks) VC firm **1** round [Play Ventures](https://millionrounds.com/fund/play-ventures) VC firm **1** round [Weekend Fund](https://millionrounds.com/fund/weekend-fund) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=alter). ## Also claim to have backed them This firm lists Alter 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. [DASH Ventures](https://millionrounds.com/fund/dash-ventures-2) VC firm Per its own site ## Quick answers about Alter ### Who invested in Alter? Alter's investors include Y Combinator, General Catalyst, Greycroft, Betaworks and Play Ventures, and 1 more on record. ### How much has Alter raised? Alter has raised $3.5M across 2 rounds since 2021. ### When did Alter last raise? Alter's most recent round was a Pre-seed of $500K in Sept 2025. ### What was Alter's biggest round? Alter's largest round on record is $3.0M (Seed), in Oct 2021. ### Who backed Alter first? Alter's first round on record, in Oct 2021, was backed by Y Combinator, General Catalyst and Greycroft and 3 others. ### What stage is Alter at? Alter's latest named round is a Pre-seed, in Sept 2025. ### Where is Alter based? Alter is based in the United States. ## Companies like Alter In the same sector, and raised in the last eighteen months. [**Ultrasonium** Sept 2026](https://millionrounds.com/company/ultrasonium)[**BILT** $272M · Sept 2026](https://millionrounds.com/company/bilt)[**HopFlyt** $2.0M · Sept 2026](https://millionrounds.com/company/hopflyt)[**FluidForm Bio** $1.7M · Aug 2026](https://millionrounds.com/company/fluidform-bio)[**unspun** $42M · Aug 2026](https://millionrounds.com/company/unspun)[**Vntana** $5.3M · Jul 2026](https://millionrounds.com/company/vntana) ## 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