Investor · Brooklyn, NY

Blockchain Builders, LLC

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Filings

6

SEC Form D

Connections

6

co-filers

Capital

$78.8M

across filings

Active

Mar 2023

to Dec 2025

Most-connected co-filers (6)

Gil Rosen · Brooklyn, NY6 shared Blockchain Builders GP, LLC · Brooklyn, NY5 shared Michael S. Piper · Wall Township, NJ4 shared Logie O. Fitzwilliams · Baltimore, MD4 shared Aaron R. Farberg · RENO, NV2 shared xBuilders Fund II GP, LLC · New York, NY1 shared

Recent filings (6)

xBuilders Fund II, LPDec 2025 · 6 co-filers$60.0M xBuilders Fund II, LPDec 2025 · 6 co-filers$60.0M Blockchain Builders Fund I, LPAug 2025 · 6 co-filers$27.5M Blockchain Builders Fund I, LPAug 2025 · 6 co-filers$27.5M Blockchain Builders Fund I, LPSep 2024 · 6 co-filers$24.4M Blockchain Builders Fund I, LPSep 2024 · 6 co-filers$24.4M Blockchain Builders Fund I, LPApr 2024 · 6 co-filers$15.4M Blockchain Builders Fund I, LPApr 2024 · 6 co-filers$15.4M Blockchain Builders Fund I, LPMar 2024 · 6 co-filers$11.5M Blockchain Builders Fund I, LPMar 2024 · 6 co-filers$11.5M Blockchain Builders Fund I, LPMar 2023 · 6 co-filers$10.0M Blockchain Builders Fund I, LPMar 2023 · 6 co-filers$10.0M

Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Blockchain in the interactive graph →