United States · 
Who invested in Niron Magnetics?
Niron Magnetics's investors include US Department of Energy, Anzu Partners, Artiman Ventures and Honda Motor Co., Ltd.
201620182020202220242026
$1.5MSeed$10MGrant$10MRound
United States · Funded startup
Who invested in Niron Magnetics
Funding summaryUpdated 26 Oct 2026
$22Mraised across 3 rounds since 2014, from 4 sources
$1.5MSeed$10MGrant$10MRound
- Latest round
- Round, $10MSept 2026
- Investors
- 4
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, $1.5M Dec 2014
- Biggest round
- $10M Round · Sept 2026
- Usual gap between rounds
- 10.8 years the median of 2
The rounds
- Sept 2026Round$10M1 new2 returning
Reported by Anzu Partners and 1 other
- Oct 2025
- Dec 2014
Founders and team
From Niron Magnetics's own website and the SEC filings it signed: 5 on the team.
- Jonathan RowntreeChief Executive Officer
- Henning PubanzVice President, Finance
- Peter LadwigVice President, Technology & Engineering
- Becky SchneiderChief People Officer
- Tom GraingerChief Financial Officer
On the board, as filediAmit ShahDavid MichaelDonald RosenbergJimmy KanLawrence BurnsSteve Bullock
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.
Everyone who backed them
Honda Motor Co., LtdInvestment firm1round
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list Niron Magnetics 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 Niron Magnetics
How much has Niron Magnetics raised?
Niron Magnetics has raised $22M across 3 rounds since 2014.
When did Niron Magnetics last raise?
Niron Magnetics's most recent round, $10M, was in Sept 2026.
What was Niron Magnetics's biggest round?
Its most recent round, $10M in Sept 2026, is also its largest on record.
Who backed Niron Magnetics first?
Niron Magnetics's first round on record, in Dec 2014, was backed by Artiman Ventures.
What stage is Niron Magnetics at?
Niron Magnetics's latest named round is a Grant, in Oct 2025.
Where is Niron Magnetics based?
Niron Magnetics is based in the United States.
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