0000950103-14-002701.txt : 20140416 0000950103-14-002701.hdr.sgml : 20140416 20140416170332 ACCESSION NUMBER: 0000950103-14-002701 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b ITEM INFORMATION: Investment Company Act Section 3(c) ITEM INFORMATION: Section 3(c)(7) FILED AS OF DATE: 20140416 DATE AS OF CHANGE: 20140416 EFFECTIVENESS DATE: 20140416 FILER: COMPANY DATA: COMPANY CONFORMED NAME: J.P. Morgan-BlackRock Opportunistic RMBS Master Fund L.P. CENTRAL INDEX KEY: 0001473669 IRS NUMBER: 980629949 STATE OF INCORPORATION: E9 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-135431 FILM NUMBER: 14767979 BUSINESS ADDRESS: STREET 1: 345 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10154 BUSINESS PHONE: 212-464-1205 MAIL ADDRESS: STREET 1: 345 PARK AVENUE CITY: NEW YORK STATE: NY ZIP: 10154 FORMER COMPANY: FORMER CONFORMED NAME: J.P. Morgan-TCW Opportunistic RMBS Master Fund L.P. DATE OF NAME CHANGE: 20091001 D/A 1 primary_doc.xml X0707 D/A LIVE 0001473669 J.P. Morgan-BlackRock Opportunistic RMBS Master Fund L.P. 270 PARK AVENUE NEW YORK NY NEW YORK 10017 (212) 464-1205 CAYMAN ISLANDS None J.P. Morgan-TCW Opportunistic RMBS Master Fund L.P. Limited Partnership true Glenn Hill C/O J.P. MORGAN PRIVATE INVS. INT'L INC. 270 PARK AVENUE, 5TH FLOOR NEW YORK NY NEW YORK 10017 Director Director of J.P. Morgan Private Investments International Inc., General Partner Margaret Conklin C/O J.P. MORGAN PRIVATE INVS. INT'L INC. 270 PARK AVENUE, 5TH FLOOR NEW YORK NY NEW YORK 10017 Director Director of J.P. Morgan Private Investments International Inc., General Partner Thomas McGraw C/O J.P. MORGAN PRIVATE INVS. INT'L INC. 270 PARK AVENUE, 5TH FLOOR NEW YORK NY NEW YORK 10017 Director Director of J.P. Morgan Private Investments International Inc., General Partner Jote Kassa C/O J.P. MORGAN PRIVATE INVS. INT'L INC. 270 PARK AVENUE, 5TH FLOOR NEW YORK NY NEW YORK 10017 Director Director of J.P. Morgan Private Investments International Inc., General Partner David Wezdenko C/O J.P. MORGAN PRIVATE INVS. INT'L INC. 270 PARK AVENUE, 5TH FLOOR NEW YORK NY NEW YORK 10017 Director Director of J.P. Morgan Private Investments International Inc., General Partner Robert Klein C/O J.P. MORGAN PRIVATE INVS. INT'L INC. 270 PARK AVENUE, 5TH FLOOR NEW YORK NY NEW YORK 10017 Director Director of J.P. Morgan Private Investments International Inc., General Partner Pooled Investment Fund Hedge Fund false Decline to Disclose 06b 3C 3C.7 true 0000950103-13-002348 2009-10-05 true true false 100000 J.P. Morgan Securities LLC 79 None None 270 PARK AVENUE NEW YORK NY NEW YORK 10017 All States false Indefinite 868105000 Indefinite true 2 0 0 0 false J.P. Morgan-BlackRock Opportunistic RMBS Master Fund L.P. /s/ Glenn Hill Glenn Hill Director of J.P. Morgan Private Investments Int'l Inc. 2014-04-16