The Triangle Tweener Fund primarily invests in early-stage, high-tech companies located in North Carolina's "Triangle" area (Raleigh, Durham, and Chapel Hill) that meet specific "Tweener" criteria, such as having over $1 million in annual recurring revenue or at least 10 employees. The fund employs an index-style strategy, making numerous smaller equity investments to build a diversified portfolio of 10-15 companies per quarter.
43% of their portfolio is in Healthcare. Their most common stage is seed (57% of deals). Average disclosed round size is $5.7M (across 6 rounds with reported amounts).
Portfolio
7
Fund Size
—
Top Stage
Seed
Last 12 Mo
1
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
7 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Opine | Seed | $5M | Dec 2025 |
 Medicom | Growth | — | Jul 2024 |
 Gradient Health | Seed | $2.8M | Jun 2023 |
 Levitate | Series C | $14M | Apr 2023 |
 Pattern Health | Series A | $3.3M | Sep 2022 |
 Klearly | Seed | $4M | Jun 2022 |
| RRepVue | Seed | $5M | May 2022 |
Top Co-Investors
S3 Ventures2 shared
Knoll Ventures2 shared
IDEA Fund Partners1 shared
Atlanta Seed Company1 shared
Propel Venture Partners1 shared
Bull City Venture Partners1 shared
Tippet Venture Partners1 shared
Protagonist1 shared
UPMC Enterprises1 shared
Cone Health1 shared
Oval Park Capital1 shared
Grayhawk Capital1 shared
Supernode Ventures1 shared
Wavemaker Three-Sixty Health1 shared
Last updated: 8 March 2026