United States · 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.
201520172019202120232025
$200KSeed$5.0MRound$44MSeries C
United States · Series C startup
Who invested in Saphlux
Funding summaryUpdated 26 Oct 2026
$49Mraised across 3 rounds since 2015, from 4 sources
$200KSeed$5.0MRound$44MSeries C
- Latest round
- Series C, $44MApr 2026
- Step-upi
- 8.7×
- Investors
- 8 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed, $200K Jul 2015
- Biggest round
- $44M Series C · Apr 2026
- Usual gap between rounds
- 9 years the median of 2
The rounds
- Apr 2026
- Mar 2017Round$5.0M4 new
- Leyard Optoelectronics Co., LtdLead
Elm Street Ventures
NXT Ventures- Leyard/ ZhenFund
Reported by FinSMEs and 1 otherSEC filing: $5.0M sold, first sale Feb 2017
- Jul 2015
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.
Seed2015Round2017Series C2026Leyard Optoelectronics Co., LtdL
ZhenFund
CAS StarBaidu VenturesElm Street VenturesNXT Ventures
Yale UniversityLeyard/ ZhenFund
ZhenFundCAS StarBaidu VenturesElm Street VenturesNXT VenturesYale UniversityLeyard/ ZhenFundEveryone who backed them
Leyard Optoelectronics Co., LtdInvestment firm1round, led 1
Baidu VenturesVC firm1round
Leyard/ ZhenFundno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Saphlux
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.
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