United States · Series C startup
Funding summaryUpdated 26 Oct 2026
$12Mraised across 3 rounds since 2011, from 3 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding record
No investor was named in the report.
Reported by sec.govSEC filing: $625K sold, first sale Apr 2011
From the SEC filings it signed: 4 on the team.
On the board, as filediDajian A. YuRobert A. ShenTa-Lin A. HsuZheng A. Wang
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
H&Q Asia PacificJinyuan Development CompanyShanghai Gui Guo Assets Management PartnershipSilicon Valley China Venture PartnersMissing a round, or an investor who was in one? Tell us.
Efficient Drivetrains's investors include H&Q Asia Pacific, Jinyuan Development Company, Shanghai Gui Guo Assets Management Partnership and Silicon Valley China Venture Partners.
Efficient Drivetrains has raised $12M across 3 rounds since 2011.
Efficient Drivetrains's most recent round was a Series C of $7.8M in Sept 2016.
Its most recent round, $7.8M in Sept 2016, is also its largest on record.
Efficient Drivetrains's first round on record, in Jul 2014, was backed by Jinyuan Development Company, Shanghai Gui Guo Assets Management Partnership and Silicon Valley China Venture Partners.
Efficient Drivetrains's latest named round is a Series C, in Sept 2016.
Efficient Drivetrains is based in the United States.
In the same sector, and raised in the last eighteen months.
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