Investor · Santa Monica, CA

William Hsu

Open William in the network graph →

Filings

51

SEC Form D

Connections

208

co-filers

Capital

$231.9M

across filings

Active

May 2015

to Mar 2025

Most-connected co-filers (208)

Erik Rannala · Santa Monica, CA14 shared Ilya Golubovich · New York, NY13 shared Byron Deeter · Denver, CO13 shared Vahe Kuzoyan · Glendale, CA8 shared Ara Mahdessian · Glendale, CA8 shared James M. Hall · New York, NY7 shared Omar Hamoui · Culver City, CA7 shared Gregory Abrahamson · Boulder, CO7 shared Rafael Ortiz · Boulder, CO7 shared John Spinale · BOSTON, MA7 shared William J. Griffith · San Francisco, CA7 shared Pivot Investment Partners LLC · New York, NY7 shared Benjamin S. Appen · New York, NY6 shared Himayani C. Puri · New York, NY6 shared Michael Brown · New York, NY6 shared Robin Thurston · Boulder, CO6 shared Matthew Mcdonald · SAN FRANCISCO, CA5 shared Alper Dagloiglu · New York, NY5 shared William B. Fallis · Leawood, KS5 shared Marcus E. Motroni · New York, NY5 shared Ray E. Costa · New York, NY5 shared Araya Mesfin · Atlanta, GA5 shared Chris Keaveney · Frisco, TX5 shared Michael E. Paasche · NEW YORK, NY5 shared

Recent filings (51)

Mucker Pre-Seed VII, L.P.Mar 2025 · 6 co-filers$80.0M Mucker Pre-Seed VII, L.P.Mar 2025 · 6 co-filers$80.0M ServiceTitan, Inc.May 2024 · 23 co-filers$24.0M ServiceTitan, Inc.May 2024 · 23 co-filers$24.0M Sierra Labs Inc.Dec 2023 · 8 co-filers$5.4M Mucker B LLCMay 2023 · 8 co-filers$6.2M Scylla Technologies Inc.Feb 2023 · 5 co-filers Scylla Technologies Inc.Feb 2023 · 5 co-filers Mucker Early III, L.P.Jan 2023 · 9 co-filers$225.0M Exempt Me Now, Inc.Oct 2022 · 15 co-filers$34.4M Exempt Me Now, Inc.Oct 2022 · 15 co-filers$34.4M Mucker B LLCMar 2022 · 8 co-filers$5.2M Mucker L LLCFeb 2022 · 8 co-filers$3.2M JAB BEVERAGE LLCJan 2022 · 12 co-filers$1.0M Scylla Technologies Inc.Oct 2021 · 5 co-filers$4.0M Scylla Technologies Inc.Oct 2021 · 5 co-filers$4.0M ServiceTitan, Inc.Jul 2021 · 19 co-filers$200.0M ServiceTitan, Inc.Jul 2021 · 19 co-filers$200.0M Stax Health, Inc.Apr 2021 · 7 co-filers$2.7M Stax Health, Inc.Apr 2021 · 7 co-filers$2.7M ServiceTitan, Inc.Apr 2021 · 26 co-filers$300.0M Mucker E LLCFeb 2021 · 9 co-filers$10.9M Mucker V, L.P.Jul 2020 · 7 co-filers$65.0M Summit Wireless Technologies, Inc.Jun 2020 · 28 co-filers$5.3M Summit Wireless Technologies, Inc.Jun 2020 · 29 co-filers$5.8M

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