# Sight Sciences funding: rounds and investors > Sight Sciences has raised $52M across 4 rounds since 2011. Investors include Hercules Capital. Every round with its source. Source: https://millionrounds.com/company/sight-sciences (Millionrounds; every figure on the page links to its filing or article) United States · [Funded startup](https://millionrounds.com/companies) # Who invested in *Sight Sciences* 4 rounds we have observed, with the one investor 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 Fashion Healthcare Funding summary Updated 26 Oct 2026 **$52M** raised across 4 rounds since 2011, from 4 sources **$524K** Venture **$6.9M** Venture **$10M** Series C **$35M** Debt - **Latest round:** Debt, $35M Jan 2024 - **Step-up i:** 3.5× - **Investors:** 1 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. 2011 2013 2015 2017 2019 2021 2023 **$524K** Venture **$6.9M** Venture **$10M** Series C **$35M** Debt - **First round:** Venture, $524K - **Biggest round:** $35M - **Usual gap between rounds:** 4.2 years ## The rounds - **Jan 2024** Debt **$35M** *1 new* [Hercules Capital](https://millionrounds.com/fund/hercules-capital) Source recorded - **Oct 2017** Series C **$10M** No investor was named in the report. Reported by FinSMEs SEC filing: $10M sold, first sale Jul 2017 - **Oct 2015** Venture **$6.9M** No investor was named in the report. From a historical funding record SEC filing: $6.9M sold, first sale Oct 2015 - **Sept 2011** Venture **$524K** No investor was named in the report. Reported by sec.gov SEC filing: $525K sold, first sale Sept 2011 ## Founders and team From the SEC filings it signed: 2 on the team. - **Jesse Selnick** Executive Officer i - **Paul Badawi** Executive Officer, Director i On the board, as filed i *Andrew Offer* *David Badawi* *Don Zurbay* *Erica Rogers* *Mack Hicks* *Staffan Encrantz* *Valeska Schroeder* ## Everyone who backed them [Hercules Capital](https://millionrounds.com/fund/hercules-capital) Venture debt **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sight-sciences). ## Also claim to have backed them These 2 firms list Sight Sciences 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. [Scientific Health Development](https://millionrounds.com/fund/scientific-health-development) VC firm Per its own site [Allegro Investment Fund, L.P.](https://millionrounds.com/fund/allegro-investment-fund-l-p) Private equity Per its own site ## Quick answers about Sight Sciences ### Who invested in Sight Sciences? Sight Sciences's investors include Hercules Capital. ### How much has Sight Sciences raised? Sight Sciences has raised $52M across 4 rounds since 2011. ### When did Sight Sciences last raise? Sight Sciences's most recent round was a Debt of $35M in Jan 2024. ### What was Sight Sciences's biggest round? Its most recent round, $35M in Jan 2024, is also its largest on record. ### Who backed Sight Sciences first? Sight Sciences's first round on record, in Jan 2024, was backed by Hercules Capital. ### What stage is Sight Sciences at? Sight Sciences's latest named round is a Debt, in Jan 2024. ### Where is Sight Sciences based? Sight Sciences is based in the United States. ## Companies like Sight 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