Investor · New York, NY

William Magnuson

Open William in the network graph →

Filings

5

SEC Form D

Connections

31

co-filers

Capital

$268.9M

across filings

Active

Aug 2017

to Aug 2025

Most-connected co-filers (31)

Jonathan W. Hyman · New York, NY4 shared Myles W. Kleeger · New York, NY4 shared Susan W. Wiseman · New York, NY3 shared Tom Peterson · Coronado, CA3 shared Bruce Taragin · San Mateo, CA3 shared Oliver Bell · NEW YORK, NY3 shared Doug Pepper · New York, NY3 shared Steve Schroeder · TOLEDO, OH2 shared Noel Epelboim · Aventura, FL2 shared Mark Ghermezian · East Rutherford, NJ2 shared Matthew Jacobson · PORTLAND, OR2 shared Neeraj Agrawal · San Mateo, CA2 shared Phillip Fernandez · New York, NY1 shared Fernando W. Machado · New York, NY1 shared Tara W. Levy · New York, NY1 shared Isabelle W. Winkles · New York, NY1 shared Katie May · New York, NY1 shared Paul Bassat · New York, NY1 shared Astha W. Malik · New York, NY1 shared John On · New York, NY1 shared Bruce Buchanan · Surry Hills, Channel Islands1 shared Anita Sands · Louisville, CO1 shared Karen Katz · SAN FRANCISCO, CA1 shared Paul Ghermezian · New York, NY1 shared

Recent filings (5)

Rokt Inc.Aug 2025 · 19 co-filers$49.7M Rokt Inc.Aug 2025 · 19 co-filers$49.7M Braze, Inc.Apr 2025 · 23 co-filers$139.2M Braze, Inc.Apr 2025 · 23 co-filers$139.2M Braze, Inc.Oct 2018 · 23 co-filers$80.0M Braze, Inc.Oct 2018 · 23 co-filers$80.0M Appboy, Inc.Aug 2017 · 21 co-filers$50.0M Appboy, Inc.Aug 2017 · 21 co-filers$50.0M Appboy, Inc.Jul 2017 · 16 co-filers$20.4M

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