Ledger.
Investor · Naperville, IL

John S. Koudounis

Open John in the network graph →
Filings
13
SEC Form D
Connections
56
co-filers
Capital
$4.7B
across filings
Active
Jan 2016
to Jan 2025

Most-connected co-filers (56)

Thomas E. Herman · Naperville, IL13 sharedRaymond Hein · San Jose, CA10 sharedConor Walsh · George Town, Grand Cayman, Cayman Islands10 sharedDavid Watson · George Town, Grand Cayman, Cayman Islands10 sharedMatthew Holleran · Mountain View, CA10 sharedConor B. French · SAN FRANCISCO, CA9 sharedSteven E. Clark · George Town, Grand Cayamn, Cayman Islands9 sharedJohn P. Calamos, Sr · Naperville, IL9 sharedChatrasingh K. Joyram · Quatre Bornes, O48 sharedJed Dean · Emeryville, CA8 sharedRobert F. Behan · Naperville, IL8 sharedCalamos Advisors Llc · Naperville, IL6 sharedCalamos Advisors Llc · Naperville, IL6 sharedJohn B. Dahin, Jr · Altamonte Springs, FL5 sharedAdrian A. King · West Chester, PA5 sharedDaniel L. Dufresne · Naperville, IL5 sharedJennifer A. Schwartz · Wilmington, DE4 sharedDrew Dolan · Albuquerque, NM4 sharedJohn P. Calamos, Jr · Naperville, IL4 sharedCalamos Advisors LLC · Naperville, IL4 sharedDouglas Maccabe · ST. HELIER, Y94 sharedSimon Riley · ST. HELIER, Y94 sharedLeila C. Alland · Watertown, MA3 sharedDavid Hirschfeld · Phoenix, AZ3 shared

Recent filings (13)

Calamos Global Opportunities Fund LPJan 2025 · 16 co-filersCalamos Aksia Private Equity LPAug 2024 · 15 co-filersCalamos Global Opportunities Fund LPJan 2024 · 16 co-filersCalamos Global Opportunities Fund LPJan 2023 · 16 co-filersCalamos Global Opportunities Fund LPJan 2022 · 16 co-filersCalamos Global Opportunities Fund LPJan 2021 · 13 co-filersCalamos Global Opportunities Fund LPJan 2020 · 17 co-filersCalamos Global Opportunities Fund LPJan 2019 · 17 co-filersCalamos Global Opportunities Fund LPFeb 2018 · 17 co-filersTarveda Therapeutics, Inc.Feb 2017 · 29 co-filers$38.0MTarveda Therapeutics, Inc.Feb 2017 · 29 co-filers$30.0MCalamos Global Opportunities Fund LPNov 2016 · 17 co-filersTarveda Therapeutics, Inc.Jan 2016 · 26 co-filers$38.0M

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