Jonathan Wasserstrum
Syndicate lead · Mamaroneck, NY
Jonathan Wasserstrum is a syndicate lead based in Mamaroneck, NY, investing at pre-seed, seed stage. Jonathan Wasserstrum has 13 funds and deal vehicles on SEC file, including 13 single-deal SPVs. Estimated typical check: $125K–$510K. Jonathan Wasserstrum has dated investing activity in the last 12 months (latest Sep 2026).
Why Jonathan Wasserstrum is listed
Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for SPV 826, a series of Harris Austin, LP, a $325K venture SPV (Sep 2026) (13 vehicles on file).
Source: SEC Form D: SPV 826, a series of Harris Austin, LP (Sep 29, 2026) · 7 more sources
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- Stages
- Pre-seed, Seed
- Typical check (est.)
- $125K–$510K
- Latest fund
- SPVs only
- Latest dated activity
- Sep 2026
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Funds and deal vehicles Jonathan Wasserstrum filed with the SEC
- Sep 2026
SPV 826, a series of Harris Austin, LP
Deal vehicle · $325K offering
- May 2026
SPV 426, a series of Harris Austin, LP
Deal vehicle · $572K offering
- Mar 2026
PublicDotCom Series 1 SPV, a series of Harris Austin LP
Deal vehicle · $124K offering
- Mar 2026
SPV 126, a series of Harris Austin, LP
Deal vehicle · $1.16M offering
- Feb 2026
SPV 1225, a series of Harris Austin, LP
Deal vehicle · $190K offering
- Feb 2026
SPV 1125, a series of Harris Austin, LP
Deal vehicle · $126K offering
- Sep 2025
SPV 825, a series of Harris Austin, LP
Deal vehicle · $510K offering
- Sep 2024
RPLNG, a series of Harris Austin, LP
Deal vehicle · $125K offering
- Jul 2024
Anduril1, a series of Harris Austin, LP
Deal vehicle · $84.7K offering
- Jul 2024
FNTCKS, a series of Harris Austin, LP
Deal vehicle · $200K offering
Sources
- SEC Form D: SPV 826, a series of Harris Austin, LPSep 29, 2026
- SEC Form D: SPV 426, a series of Harris Austin, LPMay 19, 2026
- SEC Form D: PublicDotCom Series 1 SPV, a series of Harris Austin LPMar 25, 2026
- SEC Form D: SPV 126, a series of Harris Austin, LPMar 2, 2026
- SEC Form D: SPV 1225, a series of Harris Austin, LPFeb 23, 2026
- SEC Form D: SPV 1125, a series of Harris Austin, LPFeb 18, 2026
- SEC Form D: SPV 825, a series of Harris Austin, LPSep 16, 2025
- SEC Form D: RPLNG, a series of Harris Austin, LPSep 27, 2024
Data refreshed from public sources Oct 15, 2026. Is this you? Remove or correct this profile.