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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