# Saphlux funding: rounds and investors > Saphlux has raised $49M across 3 rounds since 2015. Investors include Leyard Optoelectronics Co., Ltd, ZhenFund and CAS Star. Every round with its source. Source: https://millionrounds.com/company/saphlux (Millionrounds; every figure on the page links to its filing or article) United States · [Series C startup](https://millionrounds.com/companies) # Who invested in *Saphlux* 3 rounds we have observed, with the 8 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. Hardware & Electronics Industry 4.0 Raised 7 months ago Funding summary Updated 26 Oct 2026 **$49M** raised across 3 rounds since 2015, from 4 sources **$200K** Seed **$5.0M** Round **$44M** Series C - **Latest round:** Series C, $44M Apr 2026 - **Step-up i:** 8.7× - **Investors:** 8 (1 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. 2015 2017 2019 2021 2023 2025 **$200K** Seed **$5.0M** Round **$44M** Series C - **First round:** Seed, $200K - **Biggest round:** $44M - **Usual gap between rounds:** 9 years ## The rounds - **Apr 2026** Series C **$44M** *3 new* [ZhenFund](https://millionrounds.com/fund/zhenfund) [CAS Star](https://millionrounds.com/fund/cas-star) [Baidu Ventures](https://millionrounds.com/fund/baidu-ventures) Source recorded - **Mar 2017** Round **$5.0M** *4 new* [Leyard Optoelectronics Co., Ltd](https://millionrounds.com/fund/leyard-optoelectronics-co-ltd) Lead [Elm Street Ventures](https://millionrounds.com/fund/elm-street-ventures) [NXT Ventures](https://millionrounds.com/fund/nxt-ventures) Leyard/ ZhenFund Reported by FinSMEs and 1 other SEC filing: $5.0M sold, first sale Feb 2017 - **Jul 2015** Seed **$200K** *1 new* [Yale University](https://millionrounds.com/fund/yale-university) From a historical funding record ## 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 **Round** 2017 **Series C** 2026 [Leyard Optoelectronics Co., Ltd](https://millionrounds.com/fund/leyard-optoelectronics-co-ltd) L [ZhenFund](https://millionrounds.com/fund/zhenfund) [CAS Star](https://millionrounds.com/fund/cas-star) [Baidu Ventures](https://millionrounds.com/fund/baidu-ventures) [Elm Street Ventures](https://millionrounds.com/fund/elm-street-ventures) [NXT Ventures](https://millionrounds.com/fund/nxt-ventures) [Yale University](https://millionrounds.com/fund/yale-university) Leyard/ ZhenFund ## Everyone who backed them [Leyard Optoelectronics Co., Ltd](https://millionrounds.com/fund/leyard-optoelectronics-co-ltd) Investment firm **1** round, led 1 [ZhenFund](https://millionrounds.com/fund/zhenfund) VC firm **1** round [CAS Star](https://millionrounds.com/fund/cas-star) VC firm **1** round [Baidu Ventures](https://millionrounds.com/fund/baidu-ventures) VC firm **1** round [Elm Street Ventures](https://millionrounds.com/fund/elm-street-ventures) VC firm **1** round [NXT Ventures](https://millionrounds.com/fund/nxt-ventures) VC firm **1** round [Yale University](https://millionrounds.com/fund/yale-university) VC firm **1** round Leyard/ ZhenFund 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=saphlux). ## Quick answers about Saphlux ### Who invested in Saphlux? Saphlux's investors include Leyard Optoelectronics Co., Ltd, ZhenFund, CAS Star, Baidu Ventures and Elm Street Ventures, and 3 more on record. ### How much has Saphlux raised? Saphlux has raised $49M across 3 rounds since 2015. ### When did Saphlux last raise? Saphlux's most recent round was a Series C of $44M in Apr 2026. ### What was Saphlux's biggest round? Its most recent round, $44M in Apr 2026, is also its largest on record. ### Who backed Saphlux first? Saphlux's first round on record, in Jul 2015, was backed by Yale University. ### What stage is Saphlux at? Saphlux's latest named round is a Series C, in Apr 2026. ### Where is Saphlux based? Saphlux is based in the United States. ### Who led Saphlux's rounds? Leyard Optoelectronics Co., Ltd led the Undisclosed round in 2017. ## Companies like Saphlux In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)[**Tenstorrent** $3.0B · Oct 2026](https://millionrounds.com/company/tenstorrent)[**Sabi** $50M · Oct 2026](https://millionrounds.com/company/sabi)[**Ringon** $70K · Oct 2026](https://millionrounds.com/company/ringon)[**Relay** $207M · Oct 2026](https://millionrounds.com/company/relay) ## 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