Investor · New York, NY

Thomas J. O'Brien

Open Thomas in the network graph →

Filings

25

SEC Form D

Connections

48

co-filers

Capital

$2.0B

across filings

Active

Nov 2013

to Dec 2019

Most-connected co-filers (48)

David E. Aaron · New York, NY25 shared Sage Advisors, Llc · New York, NY23 shared Khaled J. Nasr · Menlo Park, CA23 shared Michael P. Dansby · Austin, TX23 shared H. R. Nash · Menlo Park, CA23 shared Brian J. Smith · San Francisco, CA23 shared Sage Advisors, Llc · New York, NY23 shared Sage Advisors, Llc · New York, NY23 shared William E. Aaron · New York, NY20 shared Lloyd E. Abramowitz · New York, NY17 shared Joseph Giovannini · Hickory, NC17 shared Louis N. Mintz · New York, NY17 shared Robert W. England · Chandler, AZ2 shared Aleem Choudhry · Milwaukee, WI2 shared John Moussouris · Edison, NJ2 shared Stephen Socolof · SOLON, OH2 shared Peter Hebert · San Carlos, CA2 shared David S. Thompson · Los Angeles, CA2 shared Colin A. Mackay · George Town, Grand Cayman, Cayman Islands2 shared Orlando Muyshondt · New York, NY2 shared Bradley Walbridge · New York, NY2 shared Michael Baron · New York, NY2 shared Paul H. Dietz · Redmond, WA2 shared Jonathan A. Roney · George Town, Grand Cayman, Cayman Islands2 shared

Recent filings (25)

HAMPSHIRE ASSOCIATES FUND, L.P.Dec 2019 · 11 co-filers HAMPSHIRE INSTITUTIONAL FUND, L.P.Dec 2019 · 11 co-filers Hampshire Associates Fund QP, L.P.Dec 2019 · 11 co-filers Praesidio Low Volatility Fund, LPApr 2019 · 11 co-filers HAMPSHIRE ASSOCIATES FUND, L.P.Dec 2018 · 12 co-filers HAMPSHIRE INSTITUTIONAL FUND, L.P.Dec 2018 · 12 co-filers Hampshire Associates Fund QP, L.P.Dec 2018 · 12 co-filers Praesidio Low Volatility Fund, LPApr 2018 · 11 co-filers HAMPSHIRE ASSOCIATES FUND, L.P.Dec 2017 · 12 co-filers HAMPSHIRE INSTITUTIONAL FUND, L.P.Dec 2017 · 12 co-filers Hampshire Associates Fund QP, L.P.Dec 2017 · 12 co-filers Praesidio Low Volatility Fund, LPApr 2017 · 12 co-filers HAMPSHIRE ASSOCIATES FUND, L.P.Dec 2016 · 12 co-filers HAMPSHIRE INSTITUTIONAL FUND, L.P.Dec 2016 · 12 co-filers Hampshire Associates Fund QP, L.P.Dec 2016 · 12 co-filers Praesidio Low Volatility Fund, LPApr 2016 · 12 co-filers Hampshire Associates Fund QP, L.P.Dec 2015 · 9 co-filers HAMPSHIRE ASSOCIATES FUND, L.P.Dec 2015 · 9 co-filers HAMPSHIRE INSTITUTIONAL FUND, L.P.Dec 2015 · 9 co-filers Praesidio Low Volatility Fund, LPApr 2015 · 12 co-filers Hampshire Associates Fund QP LPDec 2014 · 9 co-filers HAMPSHIRE ASSOCIATES FUND LPDec 2014 · 9 co-filers HAMPSHIRE INSTITUTIONAL FUND LPDec 2014 · 9 co-filers OPEN TEXT CORPJan 2014 · 38 co-filers$100.0M OPEN TEXT CORPNov 2013 · 20 co-filers$100.0M

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