Overview
Connections
News
Technologies
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Total raised
$106M
6 rounds on record
Latest round
$90.6M
Venture round · Dec 2023 · 2 yr ago
Team
136
US Form 5500 (plan participants) · Jun 2026 · +49% in a year
Hiring now
12
+6 posted in 30 days
Grants
$64k
1 grant · CORDIS
Backers
1
Artiman Ventures
The money's age
Long since its last round
34 months since the last round · and hiring
Momentum
35/100
hiring for its size, in the news
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Aug 18 Took on debt financing $150M · PRNewswire 2025 Team of 137 was 91 · US Form 5500 (plan participants) May 21, 2024 Won a grant $64k · CORDIS Dec 20, 2023 Raised a round Venture round $90.6M · SEC Form D Jan 12, 2023 On the Hacker News front page Niron Magnetics – powerful, rare earth-free permanent magnets · 131 points Sep 3, 2019 Raised a round Venture round $3.9M · SEC Form D Dec 14, 2016 Raised a round Venture round $5M · SEC Form D Jun 8, 2016 Raised a round Venture round $6.4M · SEC Form D 2013 Founded
Tractionpublic signals, read monthly
Web presence
top 5%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 131 points
Funding rounds
RoundDateAmountInvestorsSource
Debt Financing Aug 2026 $150M — PRNewswire
Grant May 2024 $64k — CORDIS
Venture round Dec 2023 $90.6M — SEC Form D
Venture round Sep 2019 $3.9M — SEC Form D
Venture round Dec 2016 $5M — SEC Form D
Venture round Jun 2016 $6.4M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity Niron Magnetics, Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Francis ThibodeauExecutive Officer, DirectorSEC Form D
Leonard BlackburnExecutive Officer, DirectorSEC Form D
Jonathan RowntreeExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
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How Niron Magnetics hires

Truth index
B 78/100
Median time to fill
63 days
Ghost roles
0%
Stale roles
67%
Reposted roles
0%

Niron Magnetics scores B on the Alion truth index (A is best, E worst), measured over 3 open roles re-checked against its own hiring board: 0% look like ghost listings, 67% have gone stale and 0% are the same role posted again. Its roles close in a median of 63 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed

Visa sponsorship

#5,201 of 8,228 sponsors
1 ▼ 50%
H-1B filings in 12 months
$123k
Median offered salary
12
Open roles in United States
Who they sponsor
Industrial engineers
1
The salary offered for each occupationVisa pass · 90 credits
In the register as Niron Magnetics, Inc., Minneapolis, MN
Other sponsors in the same field
US Department of Labor · latest filing Apr 10, 2026 · Visa details by country

Overview

Niron Magnetics develops and manufactures rare-earth-free permanent magnets using iron nitride. The company focuses on high-performance materials, scalable production, and domestic supply to support industrial applications.

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
41 portfolio companies: Intel, e2open, Zspace and 38 more

News

News YahooFinance 2 months ago
Niron Magnetics Marks Steel Raising at Sartell Manufacturing Site
Niron Magnetics, the company commercializing the world
Read more
Report
Press release PRNewswire 3 months ago
NIRON MAGNETICS RECEIVES $150 MILLION LOAN FROM THE SHAKOPEE MDEWAKANTON SIOUX COMMUNITY TO SUPPORT IRON NITRIDE MAGNET MANUFACTURING
/PRNewswire/ -- Niron Magnetics, the company commercializing the world
Read more
Report
News Fox News 5 months ago
China's grip on rare-earth magnets could crush US drone industry before it grows
China controls nearly all permanent magnets used in drone motors. As the Pentagon scales to hundreds of thousands of drones, it needs to deal with supply chain issues.
Read more
Report
News Climate Home News 6 months ago
The energy transition has a rare earth problem: These startups are solving it
China's grip on global supply chains is turbocharging efforts to find alternatives to the small group of metals that dominate EV motor technology
Read more
Report
News Forbes 8 months ago
Building A Billion-Dollar Supply Chain: How Niron Magnetics Is Challenging China's Rare Earth Stranglehold
How do you build a future of electric vehicles, AI, and robotics when the most critical components-high-performance magnets-are controlled by a single global power? In this episode, Forbes' Maggie McGrath sits down with Jonathan Rowntree, CEO of Niron Mag
Read more
Report
News ManufactureDive 8 months ago
Niron Magnetics begins site selection for $1.8B magnetics plant
The proposed project will be the rare-earth-free magnet maker's second manufacturing facility in the U.S.
Read more
Report
Show more news

Tech stack

Technologies named in job postings at Niron Magnetics over the last 12 months, by layer, with the share of postings for each.
Technologies in use
14
Postings analysed
2
Stack modernity
65/100
Languages
Python
SQL
Cloud & platforms
Azure
Databricks
Microsoft Fabric
Spark
Developer tools
GraphQL
Rest API
Microsoft Excel
Practices & domains
ETL/ELT
Master Data Management
Structured Outputs
RAG
Time Series
Sign in to see how your skills match this stack Sign In

Salary insights

Compensation ranges based on this company's open jobs
Median
$130k
Typical range
$50k – $190k
Open positions
11
10 Jobs
Intern 10%
Junior 30%
Senior 60%
Level Jobs Median Typical range
Intern 1 $50k $50k
Junior 3 $90k $70k – $130k
Senior 6 $148k $70k – $190k
Highest paying role Senior Commissioning Manager $190k
Normalized to USD per year
All salaries at Niron Magnetics By role, level and city, against the market · 11 jobs with pay

People

Francis Thibodeau
Executive Officer, Director
Leonard Blackburn
Executive Officer, Director
Jonathan Rowntree
Executive Officer, Director
Jianping Wang
Director
Amit Shah
Director
David Seldin
Director
Lawrence Burns
Director
David Michael
Director
Donald Rosenberg
Director
Jimmy Kan
Director
Steve Bullock
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Growth

Hiring Momentum
78/100
Scaling fast
Open positions
12
6 opened / 4 closed in 30 days
Median time-to-fill
67 days
faster than 18% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Operations
23% ▼
Administrative
15%
Field & Service
15% ▲
Industrial Engineering
15%
Finance
8% ▼
HR
8% ▲
Activity Timeline
Added Outlook to stack Oct 2026
Added Microsoft Office to stack Oct 2026
Added Rest API to stack Sep 2026
Added Structured Outputs to stack Sep 2026
Added Microsoft Excel to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
2
Hiring now
2
Countries
1
Busiest office
Minneapolis
Loading the map
Headquarters Builds here Office with open vacancies Tap a pin for the office
Minneapolis United States
HQ
10 open roles 11 posted in 90 days $108k Avg Salary
hires for Operations, Field & Service, Administrative
Minneapolis MN 55413
seen since Feb 2026 company site, job postings
Sartell United States
Plant / site
2 open roles 2 posted in 90 days $163k Avg Salary
hires for Operations, Industrial Engineering
seen since Jul 2026 job postings

Financials

Total raised
$256M
Latest round
Debt Financing
Funding rounds
6
Funding rounds
Round Announced Amount
Debt Financing 2026 $150M Details
Grant 2024 $64k Details
Venture - Series Unknown 2023 $90.6M Details
Venture - Series Unknown 2019 $3.9M Details
Venture - Series Unknown 2016 $5M Details
Venture - Series Unknown 2016 $6.4M Details