0001570598-17-000005.txt : 20170516 0001570598-17-000005.hdr.sgml : 20170516 20170515173552 ACCESSION NUMBER: 0001570598-17-000005 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170331 FILED AS OF DATE: 20170516 DATE AS OF CHANGE: 20170515 EFFECTIVENESS DATE: 20170516 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Lyon Street Capital, LLC CENTRAL INDEX KEY: 0001570598 IRS NUMBER: 263871024 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-15438 FILM NUMBER: 17846184 BUSINESS ADDRESS: STREET 1: 275 SACRAMENTO STREET, 8TH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94111 BUSINESS PHONE: 415-418-2211 MAIL ADDRESS: STREET 1: 275 SACRAMENTO STREET, 8TH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94111 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001570598 XXXXXXXX 03-31-2017 03-31-2017 false Lyon Street Capital, LLC

275 Sacramento Street, 8th Floor San Francisco CA 94111

13F HOLDINGS REPORT 028-15438 N Aileen Henry 415-418-2202 /s/ Aileen Henry San Francisco CA 05-15-2017 0 45 249439 INFORMATION TABLE 2 infotable.xml AUTOBYTEL INC COM NEW 05275N205 6511 519602 SH SOLE 519602 0 0 ASSEMBLY BIOSCIENCES INC COM 045396108 767 30093 SH SOLE 30093 0 0 A10 NETWORKS INC COM 002121101 2761 301746 SH SOLE 301746 0 0 ABRAXAS PETE CORP COM 003830106 1471 728164 SH SOLE 728164 0 0 AXOGEN INC COM 05463X106 2166 207305 SH SOLE 207305 0 0 NATUS MEDICAL INC DEL COM 639050103 29640 755167 SH SOLE 755167 0 0 BLACK DIAMOND INC COM 09202G101 528 96926 SH SOLE 96926 0 0 BUILDERS FIRSTSOURCE INC COM 12008R107 6663 447184 SH SOLE 447184 0 0 BROADSOFT INC COM 11133B409 4471 111219 SH SOLE 111219 0 0 CALLIDUS SOFTWARE INC COM 13123E500 6998 327763 SH SOLE 327763 0 0 CARBONITE INC COM 141337105 7470 367960 SH SOLE 367960 0 0 CENTURY CMNTYS INC COM 156504300 1905 75000 SH SOLE 75000 0 0 CONCERT PHARMACEUTICALS INC COM 206022105 1467 86011 SH SOLE 86011 0 0 COMMSCOPE HLDG CO INC COM 20337X109 2581 61885 SH SOLE 61885 0 0 CUTERA INC COM 232109108 11463 553764 SH SOLE 553764 0 0 ENTRAVISION COMMUNICATIONS C CL A 29382R107 118 18986 SH SOLE 18986 0 0 DIAMONDBACK ENERGY INC COM 25278X109 2489 24000 SH SOLE 24000 0 0 FOUR CORNERS PPTY TR INC COM 35086T109 4664 204274 SH SOLE 204274 0 0 GREEN DOT CORP CL A 39304D102 11941 357944 SH SOLE 357944 0 0 GIGAMON INC COM 37518B102 3167 89089 SH SOLE 89089 0 0 GTT COMMUNICATIONS INC COM 362393100 6184 253960 SH SOLE 253960 0 0 HORTONWORKS INC COM 440894103 2102 214250 SH SOLE 214250 0 0 HEALTH INS INNOVATIONS INC COM CL A 42225K106 8772 548261 SH SOLE 548261 0 0 HERBALIFE LTD COM USD SHS G4412G101 9138 157170 SH SOLE 157170 0 0 ICU MED INC COM 44930G107 3022 19789 SH SOLE 19789 0 0 IRIDEX CORP COM 462684101 4242 357332 SH SOLE 357332 0 0 INVUITY INC COM NEW 46187J205 5780 727032 SH SOLE 727032 0 0 LYDALL INC DEL COM 550819106 1918 35778 SH SOLE 35778 0 0 GRAND CANYON ED INC COM 38526M106 14586 203684 SH SOLE 203684 0 0 MEETME INC COM 585141104 5741 974670 SH SOLE 974670 0 0 MELLANOX TECHNOLOGIES LTD SHS M51363113 6341 124449 SH SOLE 124449 0 0 MARVELL TECHNOLOGY GROUP LTD ORD G5876H105 1823 119485 SH SOLE 119485 0 0 NEXPOINT RESIDENTIAL TR INC COM 65341D102 4855 200970 SH SOLE 200970 0 0 OCLARO INC COM NEW 67555N206 4234 431151 SH SOLE 431151 0 0 PDF SOLUTIONS INC COM 693282105 12247 541404 SH SOLE 541404 0 0 QUANTUM CORP COM DSSG 747906204 525 603400 SH SOLE 603400 0 0 QUOTIENT TECHNOLOGY INC COM 749119103 3628 379939 SH SOLE 379939 0 0 RINGCENTRAL INC CL A 76680R206 2149 75953 SH SOLE 75953 0 0 RSP PERMIAN INC COM 74978Q105 3623 87443 SH SOLE 87443 0 0 STAMPS COM INC COM NEW 852857200 21717 183498 SH SOLE 183498 0 0 TELENAV INC COM 879455103 4495 519619 SH SOLE 519619 0 0 TRUECAR INC COM 89785L107 2041 131915 SH SOLE 131915 0 0 TOWER SEMICONDUCTOR LTD SHS NEW M87915274 2283 99043 SH SOLE 99043 0 0 TYLER TECHNOLOGIES INC COM 902252105 5451 35271 SH SOLE 35271 0 0 WESTERN DIGITAL CORP COM 958102105 3301 40000 SH SOLE 40000 0 0