0001172661-23-003772.txt : 20231113 0001172661-23-003772.hdr.sgml : 20231113 20231113112147 ACCESSION NUMBER: 0001172661-23-003772 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230930 FILED AS OF DATE: 20231113 DATE AS OF CHANGE: 20231113 EFFECTIVENESS DATE: 20231113 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Monashee Investment Management LLC CENTRAL INDEX KEY: 0001627608 IRS NUMBER: 453324374 STATE OF INCORPORATION: DE FISCAL YEAR END: 1130 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-16854 FILM NUMBER: 231396574 BUSINESS ADDRESS: STREET 1: 75 PARK PLAZA STREET 2: 4TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6176710048 MAIL ADDRESS: STREET 1: 75 PARK PLAZA STREET 2: 4TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false true false 0001627608 XXXXXXXX 09-30-2023 09-30-2023 false Monashee Investment Management LLC

75 Park Plaza 4th Floor Boston MA 02116

13F HOLDINGS REPORT 028-16854 000163148 801-79936 N Jeff Muller 617-671-0048 /s/ Jeff Muller Boston MA 11-13-2023 0 75 239392952 INFORMATION TABLE 2 infotable.xml AERCAP HOLDINGS NV SHS N00985106 3760200 60000 SH SOLE 60000 0 0 ALARM COM HLDGS INC NOTE 1/1 011642AB1 6037500 7000000 SH SOLE 7000000 0 0 ALIGHT INC COM CL A 01626W101 6791355 957878 SH SOLE 957878 0 0 AMBRX BIOPHARMA INC SPONSORED ADS 02290A102 805000 70000 SH SOLE 70000 0 0 AMKOR TECHNOLOGY INC COM 031652100 1695000 75000 SH SOLE 75000 0 0 AMPHASTAR PHARMACEUTICALS IN COM 03209R103 1814811 39461 SH SOLE 39461 0 0 AN2 THERAPEUTICS INC COM 037326105 1599880 99495 SH SOLE 99495 0 0 APOLLO GLOBAL MGMT INC SER A MAND CNV 03769M304 939455 17050 SH SOLE 17050 0 0 ARGENX SE SPONSORED ADR 04016X101 3687225 7500 SH SOLE 7500 0 0 ARM HOLDINGS PLC SPONSORED ADR 042068205 11845314 221325 SH SOLE 221325 0 0 ASURE SOFTWARE INC COM 04649U102 560987 59301 SH SOLE 59301 0 0 ATLAS ENERGY SOLUTIONS INC COM CLASS A 04930R107 1611653 72499 SH SOLE 72499 0 0 BIOHAVEN LTD COM G1110E107 2340900 90000 SH SOLE 90000 0 0 BLACKLINE INC NOTE 3/1 09239BAD1 3337013 3869000 SH SOLE 3869000 0 0 BLOCK INC NOTE 5/0 852234AJ2 4925306 5875000 SH SOLE 5875000 0 0 BLUE BIRD CORP COM 095306106 1042094 48810 SH SOLE 48810 0 0 CASELLA WASTE SYS INC CL A 147448104 3679720 48227 SH SOLE 48227 0 0 CIDARA THERAPEUTICS INC COM 171757107 347765 369099 SH SOLE 369099 0 0 COMPASS THERAPEUTICS INC COM 20454B104 2415500 1226142 SH SOLE 1226142 0 0 CORE & MAIN INC CL A 21874C102 5770000 200000 SH SOLE 200000 0 0 CRESCENT ENERGY COMPANY CL A COM 44952J104 5624800 445000 SH SOLE 445000 0 0 CRINETICS PHARMACEUTICALS IN COM 22663K107 814014 27371 SH SOLE 27371 0 0 CYMABAY THERAPEUTICS INC COM 23257D103 1118250 75000 SH SOLE 75000 0 0 DOCUSIGN INC NOTE 1/1 256163AD8 5695600 5800000 SH SOLE 5800000 0 0 ENBRIDGE INC COM 29250N105 4251639 128100 SH SOLE 128100 0 0 ESSENTIAL PPTYS RLTY TR INC COM 29670E107 3677100 170000 SH SOLE 170000 0 0 FIDELIS INSURANCE 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124055 0 0 LEGALZOOM COM INC COM 52466B103 2638247 241156 SH SOLE 241156 0 0 LIVONGO HEALTH INC NOTE 0.875% 6/0 539183AA1 5432330 5936000 SH SOLE 5936000 0 0 MADISON SQUARE GARDEN ENTMT COM CL A 558256103 2797350 85000 SH SOLE 85000 0 0 MADRIGAL PHARMACEUTICALS INC COM 558868105 2190600 15000 SH SOLE 15000 0 0 MAPLEBEAR INC COM 565394103 6068636 204400 SH SOLE 204400 0 0 MERUS N V COM N5749R100 1061100 45000 SH SOLE 45000 0 0 MOLECULAR TEMPLATES INC COM NEW 608550208 896435 141841 SH SOLE 141841 0 0 MONDEE HOLDINGS INC CLASS A COM 465712107 267750 75000 SH SOLE 75000 0 0 MOONLAKE IMMUNOTHERAPEUTICS CLASS A ORD 61559X104 2850000 50000 SH SOLE 50000 0 0 ONESPAWORLD HOLDINGS LIMITED COM P73684113 2517633 224388 SH SOLE 224388 0 0 OPERA LTD SPONSORED ADS 68373M107 3381000 300000 SH SOLE 300000 0 0 PERMIAN RESOURCES CORP CLASS A COM 71424F105 6995356 501100 SH SOLE 501100 0 0 PROCEPT BIOROBOTICS CORP COM 74276L105 842987 25693 SH SOLE 25693 0 0 PURECYCLE TECHNOLOGIES INC COM 74623V103 65940 11754 SH SOLE 11754 0 0 RAYZEBIO INC COM 75525N107 610500 27500 SH SOLE 27500 0 0 RINGCENTRAL INC NOTE 3/1 76680RAH0 985862 1168000 SH SOLE 1168000 0 0 ROIVANT SCIENCES LTD SHS G76279101 6424000 550000 SH SOLE 550000 0 0 SAFEHOLD INC COM 78646V107 3480007 195506 SH SOLE 195506 0 0 SEAGATE TECHNOLOGY HLDNGS PL ORD SHS G7997R103 7584250 115000 SH SOLE 115000 0 0 SILVERBOW RES INC COM 82836G102 3040450 85000 SH SOLE 85000 0 0 SKYWARD SPECIALTY INS GROUP COM 830940102 2325600 85000 SH SOLE 85000 0 0 SOMALOGIC INC CLASS A COM 83444K105 409151 171193 SH SOLE 171193 0 0 SPOTIFY USA INC NOTE 3/1 84921RAB6 3712256 4352000 SH SOLE 4352000 0 0 SQUARESPACE INC CLASS A 85225A107 1593350 55000 SH SOLE 55000 0 0 STRUCTURE THERAPEUTICS INC SPONSORED ADS 86366E106 31954482 633766 SH SOLE 633766 0 0 SURROZEN INC *W EXP 08/01/203 86889P117 3411 82986 SH SOLE 82986 0 0 TRANSCAT INC COM 893529107 587820 6000 SH SOLE 6000 0 0 VITAL ENERGY INC COM 516806205 3048100 55000 SH SOLE 55000 0 0 VIVID SEATS INC COM CL A 92854T100 321000 50000 SH SOLE 50000 0 0 WESTERN DIGITAL CORP. 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