Rubicon Founders
Est. dry powder
$645.2M
Raised, not yet invested
AUM
—
Not reported
Latest fund
$1.2B
Rubicon Fund II
Est. cheque size
$6.4M–
From fund sizes
Deals, last 12 months
3
Last seen investing Feb 2026
About Rubicon Founders
Rubicon Founders is a US-based private equity firm that makes spin-off, growth, early-stage, seed, and divestiture investments in healthcare, diagnostics, hospitals, and artificial intelligence sectors across the United States.
- Type
- Venture Capital Firm
- Headquarters
- Nashville, Tennessee, US
- Stages
- SeedSeries ASeries BSeries C
- Est. cheque size
- $6.4M–$50.1M
- Sectors
- Healthcare
- Regions
- North America
- Strategies
- Buyout, Pre-Seed, Seed, Series A
Where they invest
From deals and portfolio companies on record
Most frequent rounds
- Series B2
- —1
- Series A1
- Series C1
Across 10 deals
Portfolio sectors
- Healthcare2
- Healthcare Specialists2
- Pharmaceuticals2
- Software2
- Healthcare IT1
Across 10 companies
Portfolio countries
- US9
- China1
Across 10 companies
Recent investments
Newest 5 of 10
- Unspecified Round$140M
Honest Health
Feb 2026 · Unspecified Round
- Series A$28M
Atlas Oncology Partners LLC
Feb 2026 · Series A
- Series B$50M
Indigo
Jan 2026 · Series B
- Series B$67M
Imagine Pediatrics, LLC
Sep 2025 · Series B
- Unspecified Round$130M
Horizon Infusions
Feb 2025 · Unspecified Round
Offices
1 location
- Nashville, Tennessee, USHQ
Questions about Rubicon Founders
How much does Rubicon Founders invest per deal?
Based on the size of its funds, Rubicon Founders writes estimated cheques of $6.4M–$50.1M. Lead cheques usually sit at the top of that range and follow-on cheques lower.
What stages does Rubicon Founders invest in?
Rubicon Founders has invested at Seed, Series A, Series B and Series C. Its most frequent rounds on record are Series B, — and Series A.
How much capital does Rubicon Founders have left to invest?
Rubicon Founders has an estimated $645.2M in dry powder: capital it has raised but not yet invested.