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Monashee Investment Management LLC

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13F filer, CIK 1627608, Boston, MA

Monashee Investment Management LLC reported $59,583,126 across 23 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-13. Its ten largest share positions make up 65.41% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-26-003357

Period
2026-06-30
Reported value
$59.6M
Holdings
23
Top 10 weight
65.41%
New
21
Sold out
43

Largest buys vs the previous quarter

SecurityShares changeApprox. value
GOOGMnew+100,000$5.09M
GOOGNnew+100,000$5.03M
DLRnew+25,000$4.49M
SYREnew+50,000$4.44M
TNGXnew+100,000$3.13M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
TERNexited-300,000-$15.8M
NEEexited-299,970-$15.2M
MDLNexited-300,000-$13.3M
NRGexited-85,000-$12.4M
FPSexited-350,000-$10.2M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001172661-26-003357, largest first. % of portfolio is the value over $59,583,126, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GOOGMALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 100,000 shares 100,000$5.09M8.54%newTimeline
GOOGNALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 100,000 shares 100,000$5.03M8.44%newTimeline
SLDBSOLID BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 485,000 shares; 2024Q4: 480,000 shares; 2025Q1: 1,673,412 shares; 2025Q2: 2,165,000 shares; 2025Q3: not reported; 2025Q4: 1,349,771 shares; 2026Q1: 1,420,295 shares; 2026Q2: 500,000 shares 500,000$5M8.38%-920,295Timeline
DLRDIGITAL RLTY TR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 25,000 shares 25,000$4.49M7.53%newTimeline
SYRESPYRE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 50,000 shares 50,000$4.44M7.45%newTimeline
ADTADT INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 575,000 shares; 2025Q2: 600,406 shares; 2025Q3: 450,000 shares; 2025Q4: 400,000 shares; 2026Q1: 700,000 shares; 2026Q2: 600,000 shares 600,000$3.9M6.55%-100,000Timeline
TNGXTANGO THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 100,000 shares 100,000$3.13M5.25%newTimeline
SMCIPSUPER MICRO COMPUTER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 50,000 shares 50,000$2.6M4.36%newTimeline
LEGNLEGEND BIOTECH CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 85,385 shares 85,385$2.47M4.14%newTimeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 6,000 shares 6,000$2.14M3.6%newTimeline
GOOGALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 6,000 shares 6,000$2.12M3.56%newTimeline
QUREUNIQURE NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 40,000 shares; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 45,000 shares 45,000$2.07M3.48%newTimeline
INIOINNIO NVQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 47,650 shares 47,650$1.88M3.16%newTimeline
AKRACADIA RLTY TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 85,385 shares 85,385$1.79M3%newTimeline
PTRNPATTERN GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 150,000 shares; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 64,039 shares 64,039$1.61M2.71%newTimeline
MLTXMOONLAKE IMMUNOTHERAPEUTICSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 50,000 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 75,000 shares 75,000$1.46M2.45%newTimeline
WHKWHITEHAWK MINERALS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 51,232 shares 51,232$1.43M2.39%newTimeline
TSHATAYSHA GENE THERAPIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 200,000 shares 200,000$1.36M2.29%newTimeline
IMAIMAGENEBIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 91,621 shares; 2026Q1: not reported; 2026Q2: 192,344 shares 192,344$1.13M1.9%newTimeline
KARDKARDIGAN INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 42,693 shares 42,693$1.02M1.71%newTimeline

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
CELCUITY INCCELCUITY INC Convertibleprincipal2,500,000$2.84Mnew
PURECYCLE TECHNOLOGIES INCPURECYCLE TECHNOLOGIES INC NOTE 4.750% 7/0principal1,500,000$1.53Mnew
NUVATION BIO INCNUVATION BIO INC NOTE 0.750% 7/0principal1,000,000$1.06Mnew

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
TERNTERNS PHARMACEUTICALS INC300,000$15.8Mshares
NEENEXTERA ENERGY INC299,970$15.2Mshares
MDLNMEDLINE INC300,000$13.3Mshares
NRGNRG ENERGY INC85,000$12.4Mshares
FPSFORGENT POWER SOLUTIONS INC350,000$10.2Mshares
NKTRNEKTAR THERAPEUTICS100,000$7.2Mshares
CYTKCYTOKINETICS INC100,000$6.59Mshares
JOBY AVIATION INCJOBY AVIATION INC7,000,000$5.86Mshares
PPLPPL CORP101,300$5.24Mshares
BBIOBRIDGEBIO PHARMA INC67,139$4.99Mshares
ORACLE CORPORACLE CORP100,000$4.5Mshares
EVMNEVOMMUNE INC179,340$4.12Mshares
KKR & CO INCKKR & CO INC100,000$4.02Mshares
ASTSAST SPACEMOBILE INC45,000$3.73Mshares
ZENAS BIOPHARMA INCZENAS BIOPHARMA INC3,152,000$3.21Mshares
SNDKSANDISK CORP5,000$3.18Mshares
MANEVERADERMICS INC50,000$3.16Mshares
ZBIOZENAS BIOPHARMA INC150,000$2.93Mshares
KYMRKYMERA THERAPEUTICS INC35,100$2.92Mshares
AMBQAMBIQ MICRO INC103,756$2.64Mshares
MMEDMINIMED GROUP INC175,000$2.61Mshares
FIGRFIGURE TECHNOLOGY SOLUTIO76,520$2.6Mshares
SGPSPYGLASS PHARMA INC95,000$2.46Mshares
GPCRSTRUCTURE THERAPEUTICS INC50,000$2.41Mshares
CRSPCRISPR THERAPEUTICS AG50,000$2.38Mshares
INGMINGRAM MICRO HLDG CORP100,000$2.33Mshares
GFSGLOBALFOUNDRIES INC50,000$2.22Mshares
ENGNENGENE HOLDINGS INC320,000$2.18Mshares
FLOCFLOWCO HLDGS INC100,000$2.06Mshares
SABSSAB BIOTHERAPEUTICS INC500,000$1.92Mshares
ACRSACLARIS THERAPEUTICS INC500,000$1.88Mshares
HNRGHALLADOR ENERGY COMPANY90,000$1.47Mshares
NVGSNAVIGATOR HLDGS LTD75,000$1.45Mshares
HLXCHELIX ACQUISITION CORP III137,113$1.39Mshares
CMPXCOMPASS THERAPEUTICS INC258,865$1.37Mshares
BTGOBITGO HOLDINGS INC150,000$1.23Mshares
COHRCOHERENT CORP5,000$1.19Mshares
JANJANUS LIVING INC50,000$1.18Mshares
WYFIWHITEFIBER INC80,000$953Kshares
VIRVIR BIOTECHNOLOGY INC100,000$896Kshares
GOSSAMER BIO INCGOSSAMER BIO INC2,167,000$845Kshares
NRGVENERGY VAULT HOLDINGS INC176,453$582Kshares
MSLESATELLOS BIOSCIENCE INC12,000$67.6Kshares

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001172661-26-003357 base2026-08-13acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001172661-26-003357 Quarter ended 2026-06-302026-08-13acceptance time not in the bulk data set
13F-HR 0001172661-26-001803 Quarter ended 2026-03-312026-05-13acceptance time not in the bulk data set
13F-HR 0001172661-26-000650 Quarter ended 2025-12-312026-02-12acceptance time not in the bulk data set
13F-HR 0001172661-25-004710 Quarter ended 2025-09-302025-11-12acceptance time not in the bulk data set
13F-HR 0001172661-25-002999 Quarter ended 2025-06-302025-08-11acceptance time not in the bulk data set
13F-HR 0001172661-25-001816 Quarter ended 2025-03-312025-05-14acceptance time not in the bulk data set
13F-HR 0001172661-25-001283 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0001172661-24-004571 Quarter ended 2024-09-302024-11-12acceptance time not in the bulk data set
13F-HR 0001172661-24-003216 Quarter ended 2024-06-302024-08-12acceptance time not in the bulk data set
13F-HR 0001172661-24-002251 Quarter ended 2024-03-312024-05-14acceptance time not in the bulk data set
13F-HR 0001172661-24-000711 Quarter ended 2023-12-312024-02-12acceptance time not in the bulk data set
13F-HR 0001172661-23-003772 Quarter ended 2023-09-302023-11-13acceptance time not in the bulk data set
13F-HR 0001172661-23-002887 Quarter ended 2023-06-302023-08-10acceptance time not in the bulk data set
13F-HR 0001172661-23-001856 Quarter ended 2023-03-312023-05-05acceptance time not in the bulk data set
13F-HR 0001172661-23-000559 Quarter ended 2022-12-312023-02-09acceptance time not in the bulk data set
13F-HR 0001606587-22-002073 Quarter ended 2022-09-302022-11-01acceptance time not in the bulk data set
13F-HR 0001606587-22-001754 Quarter ended 2022-06-302022-08-12acceptance time not in the bulk data set
13F-HR 0001606587-22-001114 Quarter ended 2022-03-312022-05-12acceptance time not in the bulk data set
13F-HR 0001606587-22-000362 Quarter ended 2021-12-312022-02-07acceptance time not in the bulk data set
13F-HR 0001085146-21-003073 Quarter ended 2021-09-302021-11-09acceptance time not in the bulk data set
13F-HR 0001085146-21-002394 Quarter ended 2021-06-302021-08-12acceptance time not in the bulk data set
13F-HR 0001085146-21-001629 Quarter ended 2021-03-312021-05-14acceptance time not in the bulk data set
13F-HR 0001085146-21-000603 Quarter ended 2020-12-312021-02-11acceptance time not in the bulk data set
13F-HR 0001085146-20-002909 Quarter ended 2020-09-302020-11-13acceptance time not in the bulk data set
13F-HR 0001085146-20-002126 Quarter ended 2020-06-302020-08-11acceptance time not in the bulk data set
13F-HR 0001085146-20-001439 Quarter ended 2020-03-312020-05-13acceptance time not in the bulk data set
13F-HR 0001085146-20-000595 Quarter ended 2019-12-312020-02-12acceptance time not in the bulk data set
13F-HR 0001085146-19-002856 Quarter ended 2019-09-302019-11-12acceptance time not in the bulk data set
13F-HR 0001085146-19-002139 Quarter ended 2019-06-302019-08-07acceptance time not in the bulk data set
13F-HR 0001085146-19-001475 Quarter ended 2019-03-312019-05-13acceptance time not in the bulk data set
13F-HR 0001085146-19-000494 Quarter ended 2018-12-312019-02-12acceptance time not in the bulk data set
13F-HR 0001085146-18-002584 Quarter ended 2018-09-302018-11-13acceptance time not in the bulk data set
13F-HR/A 0001085146-18-002107 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-HR 0001085146-18-001962 Quarter ended 2018-06-302018-08-10acceptance time not in the bulk data set
13F-HR 0001085146-18-001308 Quarter ended 2018-03-312018-05-10acceptance time not in the bulk data set
13F-HR 0001085146-18-000479 Quarter ended 2017-12-312018-02-09acceptance time not in the bulk data set
13F-HR 0001085146-17-002316 Quarter ended 2017-09-302017-11-13acceptance time not in the bulk data set
13F-HR 0001085146-17-001758 Quarter ended 2017-06-302017-08-11acceptance time not in the bulk data set
13F-HR 0001085146-17-001231 Quarter ended 2017-03-312017-05-12acceptance time not in the bulk data set
13F-HR 0001085146-17-000396 Quarter ended 2016-12-312017-02-09acceptance time not in the bulk data set
13F-HR 0001085146-16-004640 Quarter ended 2016-09-302016-11-07acceptance time not in the bulk data set
13F-HR 0001085146-16-004118 Quarter ended 2016-06-302016-08-02acceptance time not in the bulk data set
13F-HR 0001085146-16-003758 Quarter ended 2016-03-312016-05-13acceptance time not in the bulk data set
13F-HR 0001085146-16-002887 Quarter ended 2015-12-312016-02-09acceptance time not in the bulk data set
13F-HR/A 0001085146-16-002886 Quarter ended 2015-09-302016-02-09acceptance time not in the bulk data set
13F-HR/A 0001085146-15-002457 Quarter ended 2015-09-302015-12-02acceptance time not in the bulk data set
13F-HR 0001085146-15-002026 Quarter ended 2015-09-302015-10-16acceptance time not in the bulk data set
13F-HR 0001085146-15-001769 Quarter ended 2015-06-302015-08-13acceptance time not in the bulk data set
13F-HR 0001085146-15-000946 Quarter ended 2015-03-312015-04-20acceptance time not in the bulk data set