Karl Antle
Co-founder and General Partner at ValueStream Ventures
San Francisco, California
Karl Antle, Co-founder and General Partner at ValueStream Ventures is an active investor based in San Francisco, California. This profile covers what Karl Antle backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEFinance OperatorInvestor
- Stages
- Seed
- Invests in
- FintechMarketing & AdTech
- Location
- San Francisco, California
- Typical check
- $250K
- Past investments
- 4
Notable investments
MarpipeMiddlemarch Partners
Ocrolus
InstntHow to reach Karl Antle
Angels and operators like Karl Antle reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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Cite this page
Round Funded. "Karl Antle." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/karl-antle
Frequently Asked Questions
What does Karl Antle invest in?
Karl Antle invests in Fintech and Marketing & AdTech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Karl Antle invest at?
Karl Antle typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Karl Antle's typical check size?
Karl Antle typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.