Investor · Chicago, IL

Jay R. Feuerstein

Open Jay in the network graph →

Filings

33

SEC Form D

Connections

59

co-filers

Capital

$9.3M

across filings

Active

Dec 2012

to May 2015

Most-connected co-filers (59)

Thomas D. Macina · Chicago, IL15 shared Geoff C. Ruddick · Grand Cayman, Cayman Islands11 shared Adam J. Plotkin · Round Rock, TX8 shared Andrea Goldman · Carmel, CA7 shared David Large · Dallas, TX7 shared Adam Saint · Vancouver, British Columbia, Canada7 shared Vance Vanier · CHICAGO, IL7 shared Eric D. Siegel · Chicago, IL6 shared Sanjeev Bhojraj · Boston, MA5 shared Robert Kali · Fort Collins, CO5 shared John Vassallo · Dallas, TX5 shared Coquest Inc · Dallas, TX5 shared Gerald S. Casilli · San Francisco, CA5 shared Wyetree European Recovery (General Partner) Limited · Grand Cayman, Cayman Islands5 shared Dennis Weinmann · Dallas, TX5 shared John S. Burnett · Wrightsville Beach, NC5 shared Steve Petillo · Dallas, TX5 shared Aaron Sasson · San Francisco, CA5 shared Kevin Fong · Mountain View, CA5 shared Lawrence Leisure · CHICAGO, IL3 shared James S. Glessner · Moon Township, PA3 shared Timothy Caffrey · Wellesley, MA3 shared Mark D. Coe · Chicago, IL3 shared Randal T. Rust · Dallas, TX3 shared

Recent filings (33)

Caspia Technologies IncFeb 2026 · 4 co-filers$9.0M Caspia Technologies IncJul 2025 · 14 co-filers$3.7M MN Xenon Managed Futures Master Fund Ltd.May 2015 · 8 co-filers MN Xenon Managed Futures Offshore Fund Ltd.May 2015 · 6 co-filers MN Xenon Managed Futures Fund LPMay 2015 · 2 co-filers Optimal Fund LPFeb 2015 · 11 co-filers AppFirst, Inc.Feb 2015 · 17 co-filers$2.5M Optimal Fund LPFeb 2015 · 11 co-filers Optimal Fund LPFeb 2015 · 11 co-filers Optimal Fund LPFeb 2015 · 11 co-filers Optimal Fund LPFeb 2015 · 11 co-filers AppFirst, Inc.May 2014 · 9 co-filers$2.8M 2100 Xenon Managed Futures Offshore Fund Ltd.May 2014 · 5 co-filers$1.0B 2100 Xenon Managed Futures Fund LPMay 2014 · 1 co-filer$1.0B 2100 Xenon Managed Futures Master Fund LtdMay 2014 · 5 co-filers$1.0B Waveland Drilling Partners III-B, LPOct 2013 · 5 co-filers$28.0M Waveland Drilling Partners III-B, LPSep 2013 · 5 co-filers$28.0M 2100 Xenon Managed Futures Offshore Fund Ltd.Apr 2013 · 5 co-filers$1.0B 2100 Xenon Managed Futures Fund LPApr 2013 · 1 co-filer$1.0B 2100 Xenon Managed Futures Master Fund LtdApr 2013 · 5 co-filers$1.0B AppFirst, Inc.Dec 2012 · 11 co-filers$8.7M 2100 Xenon Managed Futures Offshore Fund Ltd.Mar 2012 · 5 co-filers$1.0B 2100 Xenon Managed Futures Fund LPMar 2012 · 1 co-filer$1.0B 2100 Xenon Managed Futures Master Fund LtdMar 2012 · 5 co-filers$1.0B 2100 Xenon Managed Futures Offshore Fund Ltd.Mar 2011 · 5 co-filers$1.0B

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