0000919574-20-005042.txt : 20200813 0000919574-20-005042.hdr.sgml : 20200813 20200813154441 ACCESSION NUMBER: 0000919574-20-005042 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200630 FILED AS OF DATE: 20200813 DATE AS OF CHANGE: 20200813 EFFECTIVENESS DATE: 20200813 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Mountaineer Partners Management, LLC CENTRAL INDEX KEY: 0001730532 IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-19269 FILM NUMBER: 201099100 BUSINESS ADDRESS: STREET 1: 150 EAST 58TH ST STREET 2: 14TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10155 BUSINESS PHONE: 646-459-7060 MAIL ADDRESS: STREET 1: 150 EAST 58TH ST STREET 2: 14TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10155 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001730532 XXXXXXXX 06-30-2020 06-30-2020 false Mountaineer Partners Management, LLC

150 EAST 58TH ST 14TH FLOOR New York NY 10155

13F HOLDINGS REPORT 028-19269 N Mark Lee 646-459-7061 /s/ Mark Lee New York NY 08-13-2020 0 25 74474 INFORMATION TABLE 2 infotable.xml ALLEGHENY TECHNOLOGIES INC COM 01741R102 1009 98997 SH SOLE 0 0 98997 ALLEGHENY TECHNOLOGIES INC COM 01741R102 2355 231145 SH SOLE 231145 0 0 BUILDERS FIRSTSOURCE INC COM 12008R107 1676 80983 SH SOLE 0 0 80983 BUILDERS FIRSTSOURCE INC COM 12008R107 3897 188284 SH SOLE 188284 0 0 BWX TECHNOLOGIES INC COM 05605H100 2612 46116 SH SOLE 46116 0 0 BWX TECHNOLOGIES INC COM 05605H100 1109 19584 SH SOLE 0 0 19584 CLEARWAY ENERGY INC CL C 18539C204 14890 645692 SH SOLE 645692 0 0 CLEARWAY ENERGY INC CL C 18539C204 2156 93505 SH SOLE 0 0 93505 CLEARWAY ENERGY INC CL A 18539C105 1246 59400 SH SOLE 59400 0 0 CONSTELLIUM SE CL A SHS F21107101 936 121933 SH SOLE 0 0 121933 CONSTELLIUM SE CL A SHS F21107101 2187 284719 SH SOLE 284719 0 0 D R HORTON INC COM 23331A109 4218 76064 SH SOLE 76064 0 0 D R HORTON INC COM 23331A109 1810 32636 SH SOLE 0 0 32636 INGEVITY CORP COM 45688C107 1413 26875 SH SOLE 0 0 26875 INGEVITY CORP COM 45688C107 3308 62925 SH SOLE 62925 0 0 NORBORD INC COM NEW 65548P403 2287 100230 SH SOLE 0 0 100230 NORBORD INC COM NEW 65548P403 5561 243770 SH SOLE 243770 0 0 PG&E CORP COM 69331C108 1689 190366 SH SOLE 0 0 190366 PG&E CORP COM 69331C108 5234 590134 SH SOLE 590134 0 0 RUSH ENTERPRISES INC CL A 781846209 3782 91220 SH SOLE 91220 0 0 RUSH ENTERPRISES INC CL A 781846209 1616 38980 SH SOLE 0 0 38980 VISHAY INTERTECHNOLOGY INC COM 928298108 1582 103599 SH SOLE 0 0 103599 VISHAY INTERTECHNOLOGY INC COM 928298108 3649 238959 SH SOLE 238959 0 0 VULCAN MATLS CO COM 929160109 1269 10952 SH SOLE 0 0 10952 VULCAN MATLS CO COM 929160109 2983 25748 SH SOLE 25748 0 0