
What they do:
Blood Test for Early Detection of Ovarian Cancer
Quick facts:
HQ: Denver, CO, United States
This list has 11 startups and was last updated on Oct 15, 2026. Biggest hubs: Boulder (4) and Littleton (3). Largest teams: AOA Dx, Arpeggio Bio, and Paceline Bio. Latest round: GelSana Therapeutics raised $4.35M (Oct 8, 2026).

What they do:
Blood Test for Early Detection of Ovarian Cancer
Quick facts:
HQ: Denver, CO, United States

What they do:
Arpeggio Bio develops drugs targeting transcription factors using AI…
Quick facts:
HQ: Boulder, CO, United States

What they do:
Biospecimen logistics & operations layer to accelerate drug dev
Quick facts:
HQ: Boulder, CO, United States
Quick facts:
HQ: Littleton, CO, United States
Funding:
$24.7M · Equity · Mar 2026
Quick facts:
HQ: Littleton, CO, United States
Funding:
$14.3M · Equity · Mar 2026
Quick facts:
HQ: Aurora, CO, United States
Funding:
$4.35M · Equity · Oct 2026
Quick facts:
HQ: Boulder, CO, United States
Funding:
$2.47M · Equity · Jun 2026
Quick facts:
HQ: Glendale, CO, United States
Funding:
$2M · Equity · Apr 2026
Quick facts:
HQ: Greenwood Village, CO, United States
Funding:
$1.3M · Equity + debt · Apr 2026
Quick facts:
HQ: Littleton, CO, United States
Funding:
$1.2M · Equity · Jun 2026
Quick facts:
HQ: Boulder, CO, United States
Funding:
$100K · Options · Oct 2026
There are 11 startups on this list, last updated on Oct 15, 2026.
None of them shows open roles right now.
By team size: AOA Dx (25 employees), Arpeggio Bio (20 employees), and Paceline Bio (3 employees).
Latest rounds: GelSana Therapeutics — $4.35M Equity (Oct 2026), Renovare Therapeutics — $100K Options (Oct 2026), and Maia Medical Billing — $1.2M Equity (Jun 2026).
The biggest hubs are Boulder (4) and Littleton (3).