Arthur Ventures is an early growth capital firm based in Minneapolis that leads investments in B2B software companies across the U.S. and Canada, focusing on non-coastal markets. The firm raised its sixth core fund of $395 million in 2025, targeting sectors such as cybersecurity, healthcare, fintech, legal tech, and govtech.
Deal activity increased 1000% year-over-year (11 deals in the last 12 months). Average disclosed round size is $27.4M (across 89 rounds with reported amounts).
Portfolio
60
Fund Size
$395M
Top Stage
Series A
Last 12 Mo
11
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
101 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 ThreatLocker | Series F | $190M | Jul 2026 |
| TTJM Labs | Series A | $10M | Jul 2026 |
 Handl Health | Series A | $14M | Feb 2026 |
 Circadian Risk | Series A | $6M | Feb 2026 |
 Handl Health | Series A | $14.2M | Feb 2026 |
 Handl | Series A | $14.2M | Feb 2026 |
 Circadian | Series A | $6M | Feb 2026 |
 Nucleus | Series C | $20M | Feb 2026 |
 Nucleus | Series C | $20M | Feb 2026 |
| TTJM Labs | Series A | $10M | Jan 2026 |
| ThreatLocker | Series F | $190M | Jan 2026 |
 Perry Weather | Series C | $110M | Jan 2026 |
 PKI Solutions | Unknown | — | Dec 2025 |
 CyberQP | Series A | $12M | Jan 2025 |
| Perry Weather | Series B | $15M | Oct 2024 |
| Nucleus | Unknown | — | Aug 2024 |
 Zartico | Series A | $20M | Jul 2024 |
| Nucleus | Series B | $43M | Feb 2024 |
| NNucleus Security | Series B | — | Jan 2024 |
| Perry Weather | Series B | $15M | Jan 2024 |
| Nucleus | Unknown | $43M | Jan 2024 |
 Payroll Integrations | Series A | $20M | Nov 2023 |
| CCertifID, Inc. | Series B | $20M | Sep 2023 |
 Vias Campus Management | Series A | $3.3M | May 2023 |
| VVIAS | Series A | $3.3M | Jan 2023 |
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Top Co-Investors
Lead Edge Capital7 shared
Y Combinator5 shared
Techstars4 shared
Elephant4 shared
Realty Corporation4 shared
Greycroft4 shared
Assurant Ventures4 shared
Hyde Park Venture Partners4 shared
Delta-v Capital3 shared
Insight Partners3 shared
Boutique Venture Partners3 shared
Mucker Capital3 shared
F-Prime Capital3 shared
Kaiser Permanente Ventures3 shared
Centana Growth Partners3 shared
CIBC Innovation Banking3 shared
High Alpha3 shared
General Atlantic3 shared
Knoll Ventures3 shared
Garage Capital3 shared
Last updated: 7 October 2026