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South Dakota startup funding

New funding rounds by startups based in South Dakota, from SEC Form D filings.

Updated Nov 10, 2026·Totals cover Form D filings Nov 13, 2025 to Nov 13, 2026

7 South Dakota startups filed a Form D in the last 12 months. Together they reported $5.5M sold in 4 new rounds. The median round was $237K.

Startups
7
filed in 12 months
Reported new funding
$5.5M
4 rounds
Median round
$237K
new rounds
Top city
Sioux Falls
4 startups

Largest rounds

1
Prismatic Software Inc.
Not classified yetSioux Falls · filed Jan 2026
$5.0M5 investors
2
Countach Medical Corp
HealthcareSioux Falls · filed Jun 2026
$400K4 investors
3
$75,0003 investors
4
Datavyne, Inc.
HealthcareSioux Falls · filed May 2026
$55,0004 investors

Latest filings

Cities

South Dakota companies 11

11 companies
CompanyIndustryCityLatest filingLatest raise
Immuno Cancer Biotherapeutics, Inc.Develops antibody-based therapies intended to treat cancer.
Biotech & PharmaCantonOct 15, 2026$75K
Rolling Bones Outfitters, Inc.Hunting trip planning, applications, gear and memberships for hunters.
Consumer & RetailSpearfishOct 7, 2026$2.0M
Consumer & RetailSpearfishOct 6, 2026$2.0M
HealthcareSioux FallsJun 5, 2026$400K
HealthcareSioux FallsMay 20, 2026$55K
Not classified yetSioux FallsJan 20, 2026$5.0M
HealthcareSioux FallsNov 28, 2025$150K
Not classified yetRapid CitySep 22, 2025$480K
Biotech & PharmaSioux FallsJul 2, 2025$808K
HealthcareSioux FallsOct 4, 2024$3.6M
HealthcareSioux FallsJul 18, 2023—
How this page is built

Startups are the private companies counted as startups (see our startup funding data), placed by the address on their latest Form D. Registered-agent and virtual-office addresses (common in Delaware and Wyoming) are not counted as a location. Public companies, foreign issuers and business-combination filings are excluded.