Stacks AIInvestors and Funding
Stacks AI has raised US$33m across two rounds since February 2025. Its latest round was a US$23m Series A in February 2026, led by Lightspeed. 4 investors have backed it, most often EQT Ventures and General Catalyst.
Investors
4 investors, most rounds first. Names link to the Investor Index.
| Investor | Role | Latest | Backed | |
|---|---|---|---|---|
| EQT Ventures | 2 rounds | Led 1 | Feb 2026 | |
| General Catalyst | 2 rounds | Led 1 | Feb 2026 | |
| s16vc | 2 rounds | Joined | Feb 2026 | |
| Lightspeed Venture Partners | 1 round | Led 1 | Feb 2026 |
Funding Report Sponsor
$39 a month, no contract. Your logo, one line and a link on every monthly funding report and Investor Index page.
Every round
Newest first, as announced
| When | Amount | Round | Led by | Report |
|---|---|---|---|---|
| Feb 2026 | US$23m | Series A | Lightspeed | February report |
| Feb 2025 | US$10m | Pre-seed and Seed | EQT Ventures, General Catalyst | February report |
Is this your company?
Stacks AI is listed in the Accountio directory. Add a round we have missed, or take the top of close and reconciliation with a featured listing.
Just raised? The Funded Company Pack puts you above every free listing in your directory category, on every page of it, and at the top of the jobs page.
Also raising in close and reconciliation
Latest rounds in the same product area
| Company | Amount | Round | Led by | When |
|---|---|---|---|---|
| Plinto | €2.9m | Pre-seed round | Oct 2026 | |
| Embat | €30m | Series B | May 2026 | |
| Round Treasury | US$6m | Seed round | Apr 2026 | |
| Numeric | US$51m | Series B | Nov 2025 | |
| Maxima | US$41m | Seed and Series A | Nov 2025 |
Get the funding report on the 1st of each month, with the accounting technology briefing for finance professionals.
