United States · 
Who invested in Sight Machine?
Sight Machine's investors include Mercury Fund, FundersClub, O'Reilly AlphaTech Ventures, Korea’s LS Group and IA Ventures, and 7 more on record.
201520172019202120232025
$5.0MSeries A$29MSeries C?Venture
United States · Venture startup
Who invested in Sight Machine
Funding summaryUpdated 26 Oct 2026
$34Mraised across 3 rounds since 2015, from 3 sources
$5.0MSeries A$29MSeries C
- Latest round
- VentureSept 2025
- Biggest round
- $29MSeries C · Apr 2019
- Investors
- 12 (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
- Series A, $5.0M Feb 2015
- Biggest round
- $29M Series C · Apr 2019
- Usual gap between rounds
- 6.3 years the median of 2
The rounds
- Sept 2025
- Apr 2019Series C$29M3 new2 returning
- Korea’s LS GroupLead
Mercury Fund
O'Reilly AlphaTech Ventures
e.on- Jump
Reported by FinSMEsSEC filing: $29M sold, first sale Apr 2019
- Feb 2015Series A$5.0M7 new
FundersClub- Mercury Fund
IA Ventures- O'Reilly AlphaTech Ventures
Huron River Ventures- Michigan eLab
- Orfin Ventures
From a historical funding recordSEC filing: $4.8M sold, first sale Jan 2015
Founders and team
From the SEC filings it signed: 3 on the team.
- Jon SobelChief Executive Officer and Presidenti
- Jerry WuChief Financial Officer and Assistant Secretaryi
- Nathan OostendorpSecretaryi
On the board, as filediAdrian FortinoConor CliffordDan FishbackMark JacobsenSaurabh SharmaYumi Lee
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 A2015Series C2019Venture2025Mercury FundFundersClubO'Reilly AlphaTech VenturesKorea’s LS GroupLIA Ventures
nVentures
MomentaHuron River Venturese.onMichigan eLab
Mercury FundFundersClubO'Reilly AlphaTech VenturesKorea’s LS GroupLIA VenturesnVenturesMomentaHuron River Venturese.onMichigan eLabEveryone who backed them
Korea’s LS Groupno record of our own yet1round, led 1
Michigan eLabVC firm1round
Orfin VenturesVC firm1round
Jumpno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 4 firms list Sight Machine 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.
Quick answers about Sight Machine
How much has Sight Machine raised?
Sight Machine has raised $34M across 3 rounds since 2015. One round did not disclose an amount, so the total is a floor.
When did Sight Machine last raise?
Sight Machine's most recent round was a Venture in Sept 2025.
What was Sight Machine's biggest round?
Sight Machine's largest round on record is $29M (Series C), in Apr 2019, led by Korea’s LS Group.
Who backed Sight Machine first?
Sight Machine's first round on record, in Feb 2015, was backed by FundersClub, Mercury Fund and IA Ventures and 4 others.
What stage is Sight Machine at?
Sight Machine's latest named round is a Venture, in Sept 2025.
Where is Sight Machine based?
Sight Machine is based in the United States.
Who led Sight Machine's rounds?
Korea’s LS Group led the Series C in 2019.
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