Funded Artificial Intelligence Startups in Durham
Durham's AI sector shows 14 rounds stretching from August 2021 through November 2025, with Seed (six rounds) and "Series Unknown" (five rounds) as the domi…
Durham's AI sector shows 14 rounds stretching from August 2021 through November 2025, with Seed (six rounds) and "Series Unknown" (five rounds) as the dominant stage classifications. The largest disclosed raise by a wide margin is Restor3d's $104M in August 2025; the next-largest are WhiteSpace Health's $18M Corporate Round from November 2021 and Neurophos's $7M Seed from December 2023. Five companies — Ramona, Bionic Health, Bristles, Sift Media, and DivySci — closed rounds without disclosing amounts.
Activity is distributed across every year from 2021 through 2025. 2023 produced four closes, including Bristles and Sift Media both closing on the same date (July 6). 2025 recorded four rounds through late November, anchored by Restor3d's August raise and Scale Social AI's $1M Pre-Seed in late November.
Most recent rounds
14 shownRelated listings
Frequently asked
What are the largest disclosed rounds among these Durham AI companies?
Restor3d leads with $104M (Series Unknown, August 2025), followed by WhiteSpace Health at $18M (Corporate Round, November 2021) and Neurophos at $7M (Seed, December 2023). No other company in the dataset has a disclosed round above $2M.
What funding stages are most common in this dataset?
Seed is the most common stage with six rounds. Five rounds carry a "Series Unknown" classification, two are Pre-Seed (Scale Social AI and Bristles), and one — WhiteSpace Health's $18M raise — is a Corporate Round.
How many rounds in this dataset have undisclosed amounts?
Five of the 14 rounds did not disclose funding amounts: Ramona (August 2025), Bionic Health (October 2024), Bristles (July 2023), Sift Media (July 2023), and DivySci (May 2023).
How concentrated is the disclosed capital across these rounds?
Restor3d's $104M accounts for roughly 77% of the $134.9M in total disclosed capital across the nine rounds with known amounts. Remove that single raise and the remaining eight disclosed rounds sum to under $31M, ranging from Cydoc's $50K to WhiteSpace Health's $18M.
How has Durham AI funding activity been distributed across years?
The dataset shows at least two rounds per year from 2021 through 2025, with no single year dominating. 2023 and 2025 each produced four closes, while 2021, 2022, and 2024 each contributed two.
Do any of these companies appear to focus on health or life sciences AI?
At least five companies — Restor3d, Bionic Health, WhiteSpace Health, Cydoc, and Polaris Quantum Biotech — have names indicating health or life sciences applications, representing five of the 14 companies in this dataset.
Know which startups just got funded. Every week.
Fresh funding rounds, new companies, and the sectors moving fastest — in your inbox every Monday morning.
Free. Sent every Monday. Unsubscribe anytime.