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Databases startup funding 2026: 4 rounds

Operational, analytical, vector and serverless databases.

1. Antfly raises $2M Pre-seed, Sep 23, 2026. Databases. Portland startup Antfly raises $2M to streamline data infrastructure for AI agents – GeekWire What happens here matters everywhere.
2. Feldera raises $15M Series A, Sep 21, 2026. Databases. Led by Inovia Capital. Incremental SQL engine that updates query results on new data instead of recomputing, cutting analytics compute.
3. Keewano raises $12M Seed, Sep 15, 2026. Databases. Led by Hetz Ventures. Event-oriented database that gives AI agents real-time context for analytics.
4. Convex raises $57M Series B, Aug 4, 2026. Databases. Led by Insight Partners. Application backend with a TypeScript-native database, search, auth and file storage.