United States · 
Who invested in Magnet Systems Inc.?
Magnet Systems Inc.'s investors include Andreessen Horowitz.
2012
$13MSeries A$47MSeries B
United States · Series B startup
Who invested in Magnet Systems Inc.
2 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.
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Funding summaryUpdated 15 Nov 2026
$60Mraised across 2 rounds since 2011, from 2 sources
$13MSeries A$47MSeries B
- Latest round
- Series B, $47MAug 2012
- Step-upi
- 3.7×
- Investors
- 1
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, $13M Apr 2011
- Biggest round
- $47M Series B · Aug 2012
- Between rounds
- 16 months from the last two
The rounds
- Aug 2012Series B$47M1 returning
Reported by sec.govSEC filing: $47M sold, first sale Aug 2012
- Apr 2011Series A$13M1 new
Reported by venturebeat.comSEC filing: $20M sold, first sale Apr 2011
Funding filed with regulators
Magnet Systems Inc. filed 2 raises, $68M in all. Filings say how much was sold and to how many investors; they never name the investors.
- Aug 2012$47MSEC Form D
- Apr 2011$20MSEC Form D
Founders and team
From the SEC filings it signed: 2 on the team.
- Alfred S. ChuangExecutive Officeri
- Renee S. BartonExecutive Officeri
On the board, as filediBen S. HorowitzWilliam S. Janeway
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Magnet Systems Inc.
How much has Magnet Systems Inc. raised?
Magnet Systems Inc. has raised $60M across 2 rounds since 2011.
When did Magnet Systems Inc. last raise?
Magnet Systems Inc.'s most recent round was a Series B of $47M in Aug 2012.
What was Magnet Systems Inc.'s biggest round?
Its most recent round, $47M in Aug 2012, is also its largest on record.
Who backed Magnet Systems Inc. first?
Magnet Systems Inc.'s first round on record, in Apr 2011, was backed by Andreessen Horowitz.
What stage is Magnet Systems Inc. at?
Magnet Systems Inc.'s latest named round is a Series B, in Aug 2012.
Where is Magnet Systems Inc. based?
Magnet Systems Inc. is based in the United States.
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