
Todd McLean stands in front of Beck Venture Center, a Colorado School of Mines hub that provides support for startups. (BusinessDen file)
Twenty-six Colorado startups raised a total of nearly $98 million last month, according to SEC Form D filings.
That’s down from February’s $110.5 million across 21 deals and a far cry from March 2024.
Eight Denver-based firms pulled in a total of $64 million while six Boulder-based companies tallied $10 million. Twelve businesses elsewhere in the Centennial State raised $24 million.
You can view our sortable spreadsheet, which lists every March Form D, here.
BusinessDen defines a startup as a business that’s less than 10 years old and excludes real estate ventures and funds.
Here are some March highlights from BusinessDen’s startup coverage:
$10 Million Mines Fund I:
The Golden engineering and science institution is raising a $10 million venture fund to invest in companies with a connection to the school.
Read our full story here.
Factorem:
Alexandra Zhang, CEO of the manufacturing platform Factorem, recently moved from Singapore to Colorado to expand the U.S. side of the business.
Read our full story here.
Wave Bye:
Last month, a Denver-based OB-GYN came out with a new period pain product. The last time that happened was over 100 years ago, when Midol hit shelves in 1911. The OB-GYN raised $300K.
Read our full story here.

Todd McLean stands in front of Beck Venture Center, a Colorado School of Mines hub that provides support for startups. (BusinessDen file)
Twenty-six Colorado startups raised a total of nearly $98 million last month, according to SEC Form D filings.
That’s down from February’s $110.5 million across 21 deals and a far cry from March 2024.
Eight Denver-based firms pulled in a total of $64 million while six Boulder-based companies tallied $10 million. Twelve businesses elsewhere in the Centennial State raised $24 million.
You can view our sortable spreadsheet, which lists every March Form D, here.
BusinessDen defines a startup as a business that’s less than 10 years old and excludes real estate ventures and funds.
Here are some March highlights from BusinessDen’s startup coverage:
$10 Million Mines Fund I:
The Golden engineering and science institution is raising a $10 million venture fund to invest in companies with a connection to the school.
Read our full story here.
Factorem:
Alexandra Zhang, CEO of the manufacturing platform Factorem, recently moved from Singapore to Colorado to expand the U.S. side of the business.
Read our full story here.
Wave Bye:
Last month, a Denver-based OB-GYN came out with a new period pain product. The last time that happened was over 100 years ago, when Midol hit shelves in 1911. The OB-GYN raised $300K.
Read our full story here.