Investor · Carlsbad, CA

Jonathan Root

Open Jonathan in the network graph →

Filings

10

SEC Form D

Connections

47

co-filers

Capital

$133.0M

across filings

Active

Jun 2021

to Feb 2025

Most-connected co-filers (47)

Shariq Hussain · Carlsbad, CA8 shared Robert D. Mittendorff · Seattle, WA7 shared Kevin Sidow · Plymouth, MN6 shared Linburgh C. Martin · George Town, Grand Cayman, Cayman Islands4 shared Fifthdelta Ltd · London, United Kingdom4 shared Kenneth Brophy · Vancouver, British Columbia, Canada4 shared Ronan Daly · George Town, Grand Cayman, Cayman Islands4 shared Jay Sujir · Vancouver, British Columbia, Canada4 shared Fifthdelta Ltd · London, United Kingdom4 shared Arian S. Reed · Atlanta, GA3 shared Bryen M. Alperin · San Francisco, CA3 shared Eric M. Brubaker · San Francisco, CA3 shared Jack M. Mans · San Francisco, CA3 shared George M. Barry · San Francisco, CA3 shared Keith Weiner · Miami, FL3 shared Sharon Schulzki · Carlsbad, CA3 shared Vishal Samtani · Johns Creek, GA3 shared David Hobbs · Miami, FL3 shared Joon Park · Chicago, IL3 shared Yekaterina Chudnovsky · Boston, MA3 shared Olivier Raybaud · Quebec, Z43 shared Dragan Tutic · Quebec, Z43 shared Hunter Johnson · Dover, DE3 shared Barry Hart · Carmel, IN3 shared

Recent filings (10)

CARLSMED, INC.Feb 2025 · 30 co-filers$64.5M CARLSMED, INC.Mar 2024 · 26 co-filers$52.5M FIFTHDELTA Fund Ltd.Jul 2023 · 10 co-filers FIFTHDELTA Fund Ltd.Jul 2022 · 10 co-filers FIFTHDELTA Fund Ltd.Jun 2022 · 10 co-filers CARLSMED, INC.Apr 2022 · 27 co-filers$30.0M Foss Mid-Cap Historic Fund, LLCJun 2021 · 10 co-filers FIFTHDELTA Fund Ltd.Jun 2021 · 10 co-filers Foss Mid-Cap Fund IV, LLCJun 2021 · 10 co-filers Foss Mid-Cap Historic Fund II, LLCJun 2021 · 10 co-filers

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