Investor · New York, NY
Matthew Begley
Open Matthew in the network graph →Filings
93
SEC Form D
Connections
70
co-filers
Capital
$37.1B
across filings
Active
Mar 2014
to Jan 2026
Most-connected co-filers (70)
Bart Baum · New York, NY90 sharedJohn Richardson · New York, NY89 sharedDaniel Stone · New York, NY89 sharedIonic Capital Management Llc · New York, NY89 sharedIonic Capital Management Llc · New York, NY88 sharedIonic Capital Management Llc · New York, NY81 sharedStuart Berman · New York, NY78 sharedArthur Vaccarino · New York, NY71 sharedIonic Capital Advisors Llc · New York, NY63 sharedIonic Capital Advisors Llc · New York, NY58 sharedJon Nagel · New York, NY51 sharedAdam Radosti · New York, NY44 sharedScott E. Dakers · Grand Cayman, Cayman Islands34 sharedDavid Dietz · New York, NY34 sharedDavid S. Sargison · Bodden Town, Grand Cayman, Cayman Islands33 sharedSteven Vecchio · New York, NY31 sharedCathleen Kilgallen · Oakland, CA20 sharedRichard Heymann · Carlsbad, CA20 sharedDawn Cummings-Fritz · Schaumburg, IL15 sharedJarkko Matilainen · Helsinki, H914 sharedGordon N. O'Brien · Framingham, MA14 sharedRaymond Choi · Santa Clara, CA14 sharedDoug Mallach · New York, NY9 sharedJennifer Thomson · Grand Cayman, Cayman Islands5 shared
Recent filings (93)
Ionic Relative Value Volatility Fund LLCJan 2026 · 6 co-filersIonic Value Fund LLCNov 2025 · 9 co-filersIonic Volatility Arbitrage Fund II LLCNov 2025 · 9 co-filersIonic Volatility Arbitrage Fund II Ltd.May 2025 · 17 co-filersIonic Convex Strategies Fund LLCApr 2025 · 14 co-filersIonic Capital LLCMar 2025 · 11 co-filersIonic Capital International LtdMar 2025 · 19 co-filersIonic Relative Value Volatility Fund LLCJan 2025 · 9 co-filersIonic Volatility Arbitrage Fund II LLCNov 2024 · 10 co-filersIonic Value Fund LLCNov 2024 · 10 co-filersIonic Volatility Arbitrage Fund II Ltd.May 2024 · 19 co-filersIonic Convex Strategies Fund LLCApr 2024 · 14 co-filersIonic Capital LLCMar 2024 · 11 co-filersIonic Capital International LtdMar 2024 · 19 co-filersIonic Volatility Arbitrage Fund II LLCNov 2023 · 11 co-filersIonic Value Fund LLCNov 2023 · 19 co-filersIonic Volatility Arbitrage Fund II Ltd.May 2023 · 19 co-filersIonic Capital International LtdMar 2023 · 19 co-filersIonic Capital LLCMar 2023 · 11 co-filersTerrapin Realization Fund, LLCFeb 2023 · 8 co-filersIonic Value Fund LLCNov 2022 · 19 co-filersIonic Volatility Arbitrage Fund II LLCNov 2022 · 11 co-filersIonic Volatility Arbitrage Fund II LLCOct 2022 · 11 co-filersIonic Volatility Arbitrage Fund II Ltd.May 2022 · 19 co-filersIonic Capital International LtdMar 2022 · 19 co-filers
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Matthew in the interactive graph →