Investor · BOSTON, MA

Barbara R. O'Connor

Open Barbara in the network graph →

Filings

43

SEC Form D

Connections

47

co-filers

Capital

$82.3B

across filings

Active

Feb 2013

to Feb 2018

Most-connected co-filers (47)

Carl Hansen · St Helier, Channel Islands, Y938 shared Peder D. Prahl · London, United Kingdom38 shared Robert Langer · PITTSBURGH, PA38 shared Carsten D. Koppen · St Helier, Y938 shared Lee Babiss · Cambridge, MA38 shared Lars Frankfelt · St Helier, Channel Islands, Y938 shared George A. Rizk · BOSTON, MA38 shared Joshua A. Greenhill · BOSTON, MA38 shared Robert Carpenter · Cambridge, MA38 shared Thomas W. Blumenthal · BOSTON, MA38 shared Gregory A. Ciongoli · BOSTON, MA38 shared James F. Mooney Iii · BOSTON, MA38 shared Elaine F. Mann · BOSTON, MA38 shared Seth A. Klarman · BOSTON, MA38 shared Peter B. Hutt · CAMBRIDGE, MA37 shared Michael F. Demichele · BOSTON, MA24 shared Julia A. Chapman · St Helier, Y924 shared Steven G. Mandis · Bethesda, MD22 shared Robert A. Bralower · BOSTON, MA22 shared Luc Lessard · Montreal, Quebec, Canada22 shared Jeffrey P. Sung · Boston, MA22 shared Frederick A. Fogel · BOSTON, MA22 shared Brian L. Spector · BOSTON, MA16 shared Noubar Afeyan · CAMBRIDGE, MA16 shared

Recent filings (43)

BAUPOST LTD PARTNERSHIP 1983 A-1Feb 2018 · 24 co-filers BAUPOST VALUE PARTNERS LP 1Feb 2018 · 24 co-filers BAUPOST LTD PARTNERSHIP 1983 B-1Feb 2018 · 24 co-filers BAUPOST LTD PARTNERSHIP 1983 C-1Feb 2018 · 24 co-filers BAUPOST VALUE PARTNERS LP IIFeb 2018 · 24 co-filers BAUPOST VALUE PARTNERS LP IIIFeb 2018 · 24 co-filers BAUPOST VALUE PARTNERS LP IVFeb 2018 · 24 co-filers BAUPOST LTD PARTNERSHIP 1983 B-1Feb 2017 · 24 co-filers BAUPOST VALUE PARTNERS LP 1Feb 2017 · 24 co-filers BAUPOST VALUE PARTNERS LP IIFeb 2017 · 24 co-filers BAUPOST VALUE PARTNERS LP IIIFeb 2017 · 24 co-filers BAUPOST VALUE PARTNERS LP IVFeb 2017 · 24 co-filers BAUPOST LTD PARTNERSHIP 1983 A-1Feb 2017 · 24 co-filers BAUPOST LTD PARTNERSHIP 1983 C-1Feb 2017 · 24 co-filers BAUPOST VALUE PARTNERS LP 1Feb 2016 · 23 co-filers BAUPOST VALUE PARTNERS LP IVFeb 2016 · 23 co-filers BAUPOST VALUE PARTNERS LP IIIFeb 2016 · 23 co-filers BAUPOST VALUE PARTNERS LP IIFeb 2016 · 23 co-filers BAUPOST LIMITED PARTNERSHIP 1987 F-1Feb 2016 · 23 co-filers BAUPOST LTD PARTNERSHIP 1983 C-1Feb 2016 · 23 co-filers BAUPOST LTD PARTNERSHIP 1983 B-1Feb 2016 · 23 co-filers BAUPOST LTD PARTNERSHIP 1983 A-1Feb 2016 · 23 co-filers BAUPOST LIMITED PARTNERSHIP 1987 F-1Feb 2015 · 19 co-filers BAUPOST VALUE PARTNERS LP 1Feb 2015 · 19 co-filers BAUPOST VALUE PARTNERS LP IIFeb 2015 · 19 co-filers

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