Mike Arntz is an operator angel. The known portfolio is one company, Smartsheet.
Is Mike Arntz a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
Contacts
Mike Arntz portfolio company (1)
- Smartsheet
Investor Profile
Founders in the listed sector SaaS, and focus areas B2B SaaS and Enterprise Software will recognize the pattern in this portfolio.
Mike Arntz is listed for Growth rounds in the database.
The portfolio and focus above give founders context on whether Mike Arntz matches their raise.
Similar investors
Showing 20 of 100
Mike Rosengarten
angel investor and operator angel
Nashville, United States
Rob Adams
operator angel
Michael Q.
operator angel
Richard Jordan
angel investor
Eric Mattson
operator angel
Seattle, United States
Clint Watson
operator angel
San Antonio, United States
Sean Moriarty
operator angel
Alex Estevez
operator angel
Kendall Collins
operator angel
San Francisco, United States
Matt Esh
operator angel
Mike Micucci
angel investor and operator angel
San Francisco, United States
Eric Simone
operator angel
Michael Paulus
angel investor and operator angel
Bellevue, United States
Michael R Nall
angel investor
Matt Pfeil
Affiliated
United States
Mike Bechtel
angel investor and operator angel
Chicago, United States
Kit Merker
operator angel
Seattle, United States
Phil Soran
operator angel
Mark Avison
angel investor
Andy Stewart
operator angel
United States
Frequently asked questions
Who is Mike Arntz?
Mike Arntz is an operator angel with one known investment on file, Smartsheet. The sections above list the sectors and stages attached to that record.
What does Mike Arntz invest in?
Listed sectors include SaaS; listed focus areas include B2B SaaS and Enterprise Software. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Mike Arntz invest at?
The database lists Mike Arntz for Growth rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Mike Arntz?
An email address and a LinkedIn page are on file for Mike Arntz. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 26 September 2026 · How this data is built · Report a correction or request removal