Investor · Melbourne, FL

Jonathan D. Rosenbaum

Open Jonathan in the network graph →

Filings

21

SEC Form D

Connections

133

co-filers

Capital

$63.5M

across filings

Active

Dec 2013

to Sep 2015

Most-connected co-filers (133)

Edward D. Bednarcik · Melbourne, FL11 shared Fredric R. Maxik · Melbourne, FL8 shared Seth D. Bernstein · Melbourne, FL8 shared Donald H. Harkleroad · Melbourne, FL7 shared Dennis D. Mcgill · Melbourne, FL7 shared James R. Jones · Melbourne, FL6 shared Richard H. Davis, Jr · Melbourne, FL6 shared Sanford R. Climan · Melbourne, FL6 shared Craig D. Cogut · Melbourne, FL5 shared Thomas G. Smith · Chicago, IL4 shared Joshua James · PROVO, UT3 shared Damian Juric · Grand Cayman, Cayman Islands3 shared Warner D. Philips · Melbourne, FL3 shared Kenneth Krogue · PROVO, UT3 shared Heather G. Calby · Chicago, IL3 shared David Elkington · PROVO, UT3 shared Elizabeth J. Panzer · East Hanover, NJ3 shared Dafina D. Toncheva · Menlo Park, CA3 shared Stephen G. Robinson · Pittsburgh, PA3 shared Seth Singerman · CHICAGO, IL3 shared Charles A. Ledsinger, Jr · Baltimore, MD3 shared David A. Young · Baltimore, MD3 shared Stephen D. Moritz · Pittsburgh, PA3 shared Kelly Gallacher · Salt Lake City, UT3 shared

Recent filings (21)

Waldo I, LPNov 2025 · 7 co-filers$200.0M Waldo I, LPNov 2025 · 7 co-filers$200.0M Skilljar Inc.Oct 2020 · 10 co-filers$33.0M Skilljar Inc.Oct 2020 · 10 co-filers$33.0M Skilljar Inc.Oct 2020 · 10 co-filers$33.0M AppExtremes Group Holdings, LLCSep 2019 · 26 co-filers AppExtremes Group Holdings, LLCSep 2019 · 26 co-filers LIGHTING SCIENCE GROUP CORPAug 2016 · 28 co-filers$25.0M Advisory Research Global Small Cap Fund, L.P.Jul 2016 · 10 co-filers Guideboat, Inc.Jul 2016 · 14 co-filers$500K Guideboat, Inc.Jul 2016 · 14 co-filers$500K Guideboat, Inc.Jul 2016 · 14 co-filers$500K Augmentra Ltd.Mar 2016 · 20 co-filers$85K LIGHTING SCIENCE GROUP CORPJan 2016 · 26 co-filers$15.0M LIGHTING SCIENCE GROUP CORPSep 2015 · 24 co-filers$15.0M Advisory Research Global Small Cap Fund, L.P.Jul 2015 · 12 co-filers Augmentra Ltd.Jul 2015 · 18 co-filers$200K LIGHTING SCIENCE GROUP CORPFeb 2015 · 23 co-filers$32.5M LIGHTING SCIENCE GROUP CORPNov 2014 · 24 co-filers$21.0M LIGHTING SCIENCE GROUP CORPSep 2014 · 13 co-filers$8.0M LIGHTING SCIENCE GROUP CORPSep 2014 · 13 co-filers$8.0M Advisory Research Global Small Cap Fund, L.P.Jul 2014 · 6 co-filers DIAMOND HILL INVESTMENT PARTNERS, L.P.Jan 2014 · 10 co-filers Diamond Hill Global Fund, L.P.Dec 2013 · 7 co-filers Diamond Hill Valuation-Weighted 500, L.P.Dec 2013 · 7 co-filers

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