0000919574-21-001076.txt : 20210216 0000919574-21-001076.hdr.sgml : 20210216 20210212183607 ACCESSION NUMBER: 0000919574-21-001076 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210216 DATE AS OF CHANGE: 20210212 EFFECTIVENESS DATE: 20210216 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Sunriver Management LLC CENTRAL INDEX KEY: 0001663900 IRS NUMBER: 364817651 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17348 FILM NUMBER: 21630822 BUSINESS ADDRESS: STREET 1: 2 SOUND VIEW DRIVE STREET 2: 2ND FLOOR CITY: GREENWICH STATE: CT ZIP: 06830 BUSINESS PHONE: 2039003900 MAIL ADDRESS: STREET 1: 2 SOUND VIEW DRIVE STREET 2: 2ND FLOOR CITY: GREENWICH STATE: CT ZIP: 06830 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001663900 XXXXXXXX 12-31-2020 12-31-2020 false Sunriver Management LLC

2 Sound View Drive 2nd Floor Greenwich CT 06830

13F HOLDINGS REPORT 028-17348 N Justin Morgan 203-900-3900 /s/ Justin Morgan Greenwich CT 02-12-2021 0 19 606275 INFORMATION TABLE 2 infotable.xml BOX INC CL A 10316T104 13205 731565 SH SOLE 731565 0 0 CHANGE HEALTHCARE INC COM 15912K100 42715 2290326 SH SOLE 2290326 0 0 CSX CORP COM 126408103 28909 318555 SH SOLE 318555 0 0 EAGLE MATLS INC COM 26969P108 27740 273705 SH SOLE 273705 0 0 FAR PEAK ACQUISITION CORP UNIT 99/99/9999 G3312L129 10350 1000000 SH SOLE 1000000 0 0 FISERV INC COM 337738108 52383 460068 SH SOLE 460068 0 0 INSPERITY INC COM 45778Q107 20250 248715 SH SOLE 248715 0 0 MASONITE INTL CORP COM 575385109 28278 287551 SH SOLE 287551 0 0 OTIS WORLDWIDE CORP COM 68902V107 44208 654454 SH SOLE 654454 0 0 PERSPECTA INC COM 715347100 29416 1221613 SH SOLE 1221613 0 0 R1 RCM INC COM 749397105 14170 589908 SH SOLE 589908 0 0 SCIENCE APPLICATIONS INTL CO COM 808625107 36847 389337 SH SOLE 389337 0 0 SEI INVTS CO COM 784117103 35310 614400 SH SOLE 614400 0 0 SOLARWINDS CORP COM 83417Q105 21961 1468958 SH SOLE 1468958 0 0 SS&C TECHNOLOGIES HLDGS INC COM 78467J100 49525 680762 SH SOLE 680762 0 0 TALEND S A ADS 874224207 46138 1203397 SH SOLE 1203397 0 0 US FOODS HLDG CORP COM 912008109 33127 994503 SH SOLE 994503 0 0 WABTEC COM 929740108 32729 447114 SH SOLE 447114 0 0 WILLIS TOWERS WATSON PLC LTD SHS G96629103 39014 185181 SH SOLE 185181 0 0