Side Door Ventures, based in California, backs generalist startups at Pre-Seed and Seed stages, typically following others with checks from $250k to $500k, as seen in K2 Space and Mysten Labs.
1 person on the investing team. Partners are listed first.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Side Door Ventures reports entry at pre-seed, seed.
Side Door Ventures reports checks of $250K to $500K.
Side Door Ventures mostly follows other investors.
Andrew Batey.
No recent activity since September 2026.
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