Investor · Newry, County Down, United Kingdom

Thomas Siefert

Open Thomas in the network graph →

Filings

245

SEC Form D

Connections

19

co-filers

Capital

$170.7M

across filings

Active

Apr 2024

to Jan 2026

Most-connected co-filers (19)

David Kim · Boston, MA200 shared Fund GP, LLC · Seattle, WA120 shared Belltower Fund Group Ltd · Seattle, WA28 shared Headlight SPV GP I, LLC · Charlotte, NC28 shared Belltower Fund Group Ltd · Seattle, WA28 shared Belltower Fund Group, Ltd · Seattle, WA6 shared Belltower Fund Group · Seattle, WA3 shared Belltower Fund Group, Ltd · Seattle, WA3 shared Elizabeth Corley · London, United Kingdom3 shared Belltower Ltd · Seattle, WA3 shared Belltower Fund Group · Seattle, WA3 shared Belltower Ltd · Seattle, WA3 shared Robert G. Edwards · Brookfield, CT1 shared Neil Burrows · Singapore, U01 shared The Bank Of New York Mellon · Everett, MA1 shared Belltower Fund Group, Ltd · Seattle, WA1 shared Richard Lowther · Hamilton, Bermuda1 shared Robert J. Meschi · George Town, Cayman Islands1 shared Jason S. Soloff · Webster, TX1 shared

Recent filings (245)

MF II, a series of Moth Fund, LPJan 2026 · 1 co-filer$10.0M Ravikant Capital, LP - E4Feb 2025 · 1 co-filer$16.3M Immad Akhund Fund, LP - E2Feb 2025 · 1 co-filer$623K Davidovs Venture Capital, LP - D1Feb 2025 · 1 co-filer$5.2M Kamal Ravikant Capital, LP - E1Dec 2024 · 2 co-filers$90K Davidovs Venture Capital, LP - D1Dec 2024 · 2 co-filers$60K FD Technologies PLCDec 2024 · 6 co-filers Mystic Ventures, LP - D1Dec 2024 · 2 co-filers$255K F.Inc Capital, LP - B4Dec 2024 · 2 co-filers$1.2M Zachary Ginsburg Funds, LP - B2Dec 2024 · 2 co-filers$25K Davidovs Venture Capital, LP - D1Dec 2024 · 2 co-filers$30K Triangle Tweener Fund, LP - C4Dec 2024 · 2 co-filers$49K Kamal Ravikant Capital, LP - E1Dec 2024 · 2 co-filers$50K ProCap Velocity Fund, LP - A3Dec 2024 · 2 co-filers$225K Austen Access Fund, LP - D3Dec 2024 · 2 co-filers$174K Zachary Ginsburg Funds, LP - B2Nov 2024 · 2 co-filers$20K Mystic Ventures, LP - D1Nov 2024 · 2 co-filers$105K New Founding Venture Fund LP - B1Nov 2024 · 2 co-filers$28K Primordial Fund, LP - A4Nov 2024 · 2 co-filers$20K Austen Access Fund, LP - D3Nov 2024 · 2 co-filers$139K Masad Capital, LP - B4Nov 2024 · 2 co-filers$35K Mentors Fund II, LP - D2Nov 2024 · 2 co-filers$1.2M ProCap Velocity Fund, LP - A3Nov 2024 · 2 co-filers$25K CapitalX, LP - E2Nov 2024 · 2 co-filers$30K Jibe Ventures, LP - D4Nov 2024 · 2 co-filers$145K

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