Investor · Chicago, IL
Brien N. O'Brien
Open Brien in the network graph →Filings
57
SEC Form D
Connections
124
co-filers
Capital
$518.8M
across filings
Active
Apr 2012
to Jan 2019
Most-connected co-filers (124)
Port Capital LLC · Chicago, IL17 sharedBradley N. Schatz · Chicago, IL17 sharedGeorge R. Declerk · Springdale, AR16 sharedAlan N. Solon · Atlanta, GA16 sharedRichard M. Boleat · St Helier, Y916 sharedRoy Mosvold · St. Helier, Y916 sharedDavid A. Young · Baltimore, MD13 sharedMyra A. Norton · Baltimore, MD12 sharedChristopher Crawshaw · Chicago, IL9 sharedDebbra L. Schoneman · Minneapolis, MN9 sharedThomas G. Smith · Chicago, IL9 sharedMichael Rosenbaum · Baltimore, MD9 sharedDavid Joerg · Baltimore, MD9 sharedSusan Steiner · Chicago, IL8 sharedTimothy L. Carter · Minneapolis, MN8 sharedLaura L. Moret · Minneapolis, MN8 sharedPatrick Carty · New York, NY7 sharedCourt V. Lorenzini · Mercer Island, WA7 sharedBen R. Marshall · SAN FRANCISCO, CA7 sharedDennis Roberts · Houston, TX7 sharedCharles A. Ledsinger, Jr · Baltimore, MD7 sharedAlbert B. Wenger · New York, NY7 sharedCari Ann B. Hopfensperger · Chicago, IL7 sharedSamuel A. Lucente Ii · Mercer Island, WA6 shared
Recent filings (57)
Port Capital Partners Micro Cap Fund, LPJan 2019 · 7 co-filersS&P 500 INDEX EQUALLY WEIGHTED FUND L PJun 2018 · 7 co-filersPort Capital MLP Fund, LPJun 2018 · 7 co-filersPort Capital Partners Multi Cap Fund, LPJun 2018 · 7 co-filersPort Capital Small Cap Fund, LPJun 2018 · 7 co-filersPort Capital Renewable Energy Infrastructure (REI) Fund, LPFeb 2018 · 7 co-filersPort Capital Partners Micro Cap Fund, LPNov 2017 · 7 co-filersPort Capital Partners Micro Cap Fund, LPNov 2017 · 7 co-filersPort Capital Small Cap Fund, LPJun 2017 · 7 co-filersPort Capital Partners Multi Cap Fund, LPJun 2017 · 7 co-filersPort Capital MLP Fund, LPJun 2017 · 7 co-filersMetaBrite Inc.Feb 2017 · 3 co-filers$13.3MPort Capital Partners Multi Cap Fund, LPFeb 2016 · 7 co-filersPort Capital MLP Fund, LPFeb 2016 · 7 co-filersPort Capital Small Cap Fund, LPFeb 2016 · 7 co-filersMetaBrite Inc.Feb 2016 · 3 co-filers$5.5MMetaBrite Inc.Feb 2016 · 3 co-filers$10.3MPort Capital Small Cap Fund, LPOct 2015 · 7 co-filersPort Capital Partners Multi Cap Fund, LPOct 2015 · 7 co-filersPort Capital Partners MLP Fund, LPOct 2015 · 7 co-filersContext Partners Fund, L.P.Apr 2015 · 7 co-filersRebel Mouse, Inc.Apr 2015 · 11 co-filers$16.2MCookBrite Inc.Mar 2015 · 3 co-filers$4.5MCookBrite Inc.Dec 2014 · 3 co-filers$3.5MLADENBURG THALMANN FINANCIAL SERVICES INCAug 2014 · 29 co-filers$13.0M
Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Brien in the interactive graph →