# ShiraTronics funding: rounds and investors > ShiraTronics has raised $99M across 2 rounds since 2019. Investors include Amzak Health, Norwest Venture Partners and USVP. Every round with its source. Source: https://millionrounds.com/company/shiratronics (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *ShiraTronics* 2 rounds we have observed, with the 11 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 Healthtech Funding summary Updated 26 Oct 2026 **$99M** raised across 2 rounds since 2019, from 3 sources **$33M** Series A **$66M** Series B - **Latest round:** Series B, $66M Oct 2024 - **Led by:** Norwest Venture Partners - **Step-up i:** 2× - **Investors:** 11 (3 led) 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. 2020 2021 2022 2023 2024 **$33M** Series A **$66M** Series B - **First round:** Series A, $33M - **Biggest round:** $66M - **Between rounds:** 4.9 years ## The rounds - **Oct 2024** Series B **$66M** *7 new* *1 returning* [Norwest Venture Partners](https://millionrounds.com/fund/norwest) Lead [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Aperture Venture Partners](https://millionrounds.com/fund/aperture-venture-partners) [Seroba.](https://millionrounds.com/fund/seroba) [OSF Ventures](https://millionrounds.com/fund/osf-ventures) [Treo Ventures](https://millionrounds.com/fund/treo-ventures) [Amzak Health](https://millionrounds.com/fund/amzak-health) [Global BioAccess Fund](https://millionrounds.com/fund/global-bioaccess-fund) Reported by Seroba Life Sciences and 1 other SEC filing: $37M sold, first sale Sept 2024 - **Oct 2019** Series A **$33M** *4 new* [USVP](https://millionrounds.com/fund/usvp) Lead [Amzak Health](https://millionrounds.com/fund/amzak-health) Lead [LivaNova](https://millionrounds.com/fund/livanova) Aperture Ventures Reported by FinSMEs SEC filing: $14M sold, first sale Oct 2019 ## 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. **Series A** 2019 **Series B** 2024 [Amzak Health](https://millionrounds.com/fund/amzak-health) L [Norwest Venture Partners](https://millionrounds.com/fund/norwest) L [USVP](https://millionrounds.com/fund/usvp) L [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Aperture Venture Partners](https://millionrounds.com/fund/aperture-venture-partners) [Seroba.](https://millionrounds.com/fund/seroba) [OSF Ventures](https://millionrounds.com/fund/osf-ventures) [Treo Ventures](https://millionrounds.com/fund/treo-ventures) [Global BioAccess Fund](https://millionrounds.com/fund/global-bioaccess-fund) [LivaNova](https://millionrounds.com/fund/livanova) ## Everyone who backed them [Amzak Health](https://millionrounds.com/fund/amzak-health) Growth equity **2** rounds, led 1 [Norwest Venture Partners](https://millionrounds.com/fund/norwest) VC firm **1** round, led 1 [USVP](https://millionrounds.com/fund/usvp) Investment bank **1** round, led 1 [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) VC firm **1** round [Aperture Venture Partners](https://millionrounds.com/fund/aperture-venture-partners) VC firm **1** round [Seroba.](https://millionrounds.com/fund/seroba) VC firm **1** round [OSF Ventures](https://millionrounds.com/fund/osf-ventures) Corporate VC **1** round [Treo Ventures](https://millionrounds.com/fund/treo-ventures) VC firm **1** round [Global BioAccess Fund](https://millionrounds.com/fund/global-bioaccess-fund) VC firm **1** round [LivaNova](https://millionrounds.com/fund/livanova) Corporate VC **1** round Aperture Ventures no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=shiratronics). ## Also claim to have backed them These 3 firms list ShiraTronics as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Seroba Life Sciences](https://millionrounds.com/fund/seroba-life-sciences) VC firm Per its own site [Breakout Labs](https://millionrounds.com/fund/breakout-labs) Angel Per its own site [Breakout Ventures](https://millionrounds.com/fund/breakout-ventures) VC firm Per its own site ## Quick answers about ShiraTronics ### Who invested in ShiraTronics? ShiraTronics's investors include Amzak Health, Norwest Venture Partners, USVP, U.S. Venture Partners and Aperture Venture Partners, and 6 more on record. Norwest Venture Partners led its latest round. ### How much has ShiraTronics raised? ShiraTronics has raised $99M across 2 rounds since 2019. ### When did ShiraTronics last raise? ShiraTronics's most recent round was a Series B of $66M in Oct 2024, led by Norwest Venture Partners. ### What was ShiraTronics's biggest round? Its most recent round, $66M in Oct 2024, is also its largest on record. ### Who backed ShiraTronics first? ShiraTronics's first round on record, in Oct 2019, was backed by USVP, Amzak Health and LivaNova and 1 others. ### What stage is ShiraTronics at? ShiraTronics's latest named round is a Series B, in Oct 2024. ### Where is ShiraTronics based? ShiraTronics is based in the United States. ### Who led ShiraTronics's rounds? USVP led the Series A in 2019; Norwest Venture Partners led the Series B in 2024. ## Companies like ShiraTronics In the same sector, and raised in the last eighteen months. 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