0001570598-18-000004.txt : 20180814 0001570598-18-000004.hdr.sgml : 20180814 20180814162239 ACCESSION NUMBER: 0001570598-18-000004 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180630 FILED AS OF DATE: 20180814 DATE AS OF CHANGE: 20180814 EFFECTIVENESS DATE: 20180814 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: 181017900 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 06-30-2018 06-30-2018 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 08-14-2018 0 52 281194 INFORMATION TABLE 2 infotable.xml ABRAXAS PETE CORP COM 003830106 1523 526914 SH SOLE 526914 0 0 ACXIOM CORP COM 005125109 3678 122788 SH SOLE 122788 0 0 AIR TRANSPORT SERVICES GRP I COM 00922R105 4552 201512 SH SOLE 201512 0 0 AMAZON COM INC COM 023135106 1608 946 SH SOLE 946 0 0 ASSEMBLY BIOSCIENCES INC COM 045396108 5887 150144 SH SOLE 150144 0 0 BIOTELEMETRY INC COM 090672106 9569 212634 SH SOLE 212634 0 0 BONANZA CREEK ENERGY INC COM NEW 097793400 2317 61192 SH SOLE 61192 0 0 BOX INC CL A 10316T104 4938 197612 SH SOLE 197612 0 0 BUILDERS FIRSTSOURCE INC COM 12008R107 2499 136656 SH SOLE 136656 0 0 CALIX INC COM 13100M509 1489 190886 SH SOLE 190886 0 0 CARBONITE INC COM 141337105 8442 241891 SH SOLE 241891 0 0 CENTURY CMNTYS INC COM 156504300 4129 130857 SH SOLE 130857 0 0 CURO GROUP HLDGS CORP COM 23131L107 583 23367 SH SOLE 23367 0 0 DIAMONDBACK ENERGY INC COM 25278X109 2680 20366 SH SOLE 20366 0 0 DIGITAL TURBINE INC COM NEW 25400W102 1492 988178 SH SOLE 988178 0 0 DMC GLOBAL INC COM 23291C103 754 16782 SH SOLE 16782 0 0 ELDORADO RESORTS INC COM 28470R102 2272 58120 SH SOLE 58120 0 0 ENCORE WIRE CORP COM 292562105 4058 85514 SH SOLE 85514 0 0 EXPRESS INC COM 30219E103 2432 265796 SH SOLE 265796 0 0 FIVE9 INC COM 338307101 3866 111817 SH SOLE 111817 0 0 FORESTAR GROUP INC COM 346232101 4216 203198 SH SOLE 203198 0 0 FRANKLIN COVEY CO COM 353469109 377 15363 SH SOLE 15363 0 0 GAIA INC NEW CL A 36269P104 980 48373 SH SOLE 48373 0 0 GLU MOBILE INC COM 379890106 593 92534 SH SOLE 92534 0 0 GRAND CANYON ED INC COM 38526M106 4113 36849 SH SOLE 36849 0 0 GREEN DOT CORP CL A 39304D102 2328 31719 SH SOLE 31719 0 0 GTT COMMUNICATIONS INC COM 362393100 4983 110729 SH SOLE 110729 0 0 HEALTH INS INNOVATIONS INC COM CL A 42225K106 34170 1056270 SH SOLE 1056270 0 0 HORTONWORKS INC COM 440894103 9410 516452 SH SOLE 516452 0 0 ICU MED INC COM 44930G107 5873 20000 SH SOLE 20000 0 0 IRIDEX CORP COM 462684101 2189 314460 SH SOLE 314460 0 0 KOPPERS HOLDINGS INC COM 50060P106 2192 57167 SH SOLE 57167 0 0 LIGAND PHARMACEUTICALS INC COM NEW 53220K504 6627 31988 SH SOLE 31988 0 0 META FINL GROUP INC COM 59100U108 728 7479 SH SOLE 7479 0 0 MODEL N INC COM 607525102 13439 722502 SH SOLE 722502 0 0 MOLECULAR TEMPLATES INC COM 608550109 1844 352607 SH SOLE 352607 0 0 NEOS THERAPEUTICS INC COM 64052L106 6504 1040661 SH SOLE 1040661 0 0 NEXPOINT RESIDENTIAL TR INC COM 65341D102 5881 206709 SH SOLE 206709 0 0 NOVUS THERAPEUTICS INC COM 67011N105 1984 283383 SH SOLE 283383 0 0 PDF SOLUTIONS INC COM 693282105 1473 122921 SH SOLE 122921 0 0 QUANTENNA COMMUNICATIONS INC COM 74766D100 7737 497883 SH SOLE 497883 0 0 QUINSTREET INC COM 74874Q100 3313 260885 SH SOLE 260885 0 0 RECRO PHARMA INC COM 75629F109 2453 488596 SH SOLE 488596 0 0 SAVARA INC COM 805111101 12842 1134416 SH SOLE 1134416 0 0 SERVICESOURCE INTL INC COM 81763U100 4031 1023108 SH SOLE 1023108 0 0 STEMLINE THERAPEUTICS INC COM 85858C107 23618 1471518 SH SOLE 1471518 0 0 STRONGBRIDGE BIOPHARMA PLC SHS USD G85347105 27394 4565633 SH SOLE 4565633 0 0 SUPER MICRO COMPUTER INC COM 86800U104 2269 95927 SH SOLE 95927 0 0 SUPERIOR INDS INTL INC COM 868168105 2076 115982 SH SOLE 115982 0 0 TEMPUR SEALY INTL INC COM 88023U101 6679 138993 SH SOLE 138993 0 0 TYLER TECHNOLOGIES INC COM 902252105 2299 10351 SH SOLE 10351 0 0 UPLAND SOFTWARE INC COM 91544A109 7811 227273 SH SOLE 227273 0 0