Daniel E. Hatkoff
Solo GP · Santa Monica, California
Named as the only individual (Manager of the General Partner.) on the Form D for Rainy Day Founders Fund I, LP, a $9.5M venture fund (Jan 2026).
Angel Investment Confidence Score
Algorithmic score indicating recent deal velocity, check size reliability, and investment conviction in early-stage startups.
Why Daniel E. Hatkoff holds a 80/100 confidence score
- Verified active check-writing activity within the last 12 months
- Target check sizes calibrated between $100K–$300K
- Cross-sector early stage track record
- Named as the only individual (Manager of the General Partner.) on the Form D for Rainy Day Founders Fund I, LP, a $9.5M venture fund (Jan 2026).
Building in Technology & Software? See how well your pitch deck matches Daniel E. Hatkoff’s thesis.
Check My Startup FitVerified investment track record
Named as the only individual (Manager of the General Partner.) on the Form D for Rainy Day Founders Fund I, LP, a $9.5M venture fund (Jan 2026).
Source: SEC Form D: Rainy Day Founders Fund I, LP (Jan 16, 2026)
- Stages
- Pre-seed, Seed
- Typical check (est.)
- $100K–$300K
- Verified deals
- 1 on file
- Latest activity
- Jan 2026
Is Daniel E. Hatkoff a fit for you?
See your AI startup fit score, verified contact channels, and warm paths through your network.
What sectors does Daniel E. Hatkoff back?
Sector focus not yet verifiedVerified investments & deal activity
1 deal trackedRecent startup investments, syndicate rounds, and public co-investments across the US and Europe.
- Jan 2024
Rainy Day Founders Fund I, LP
Invested through a fund
Public Verification Sources
- SEC Form D: Rainy Day Founders Fund I, LPJan 16, 2026
Data refreshed from SEC filings and public European announcements Oct 15, 2026. Is this you? Correct or remove this profile.
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