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Monashee Investment Management LLC

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13F filer, CIK 1627608, Boston, MA

Monashee Investment Management LLC reported $183,824,446 across 45 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-13. Its ten largest share positions make up 55.58% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001172661-26-001803

Period
2026-03-31
Reported value
$184M
Holdings
45
Top 10 weight
55.58%
New
31
Sold out
26

Largest buys vs the previous quarter

SecurityShares changeApprox. value
NEEnew+299,970$15.2M
NRGnew+85,000$12.4M
FPSnew+350,000$10.2M
JOBY AVIATION INCnew+7,000,000$5.86M
TERNadded+102,687$5.41M

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
SOFIexited-400,000-$10.5M
ULSexited-130,000-$10.3M
INSMexited-50,000-$8.7M
GPCRreduced-175,000-$8.44M
MIAXexited-175,000-$7.77M

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, Q1 2026

Share positions as resolved from 13F-HR 0001172661-26-001803, largest first. % of portfolio is the value over $183,824,446, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TERNTERNS PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 54,400 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 197,313 shares; 2026Q1: 300,000 shares 300,000$15.8M8.6%+102,687Timeline
NEENEXTERA ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 299,970 shares 299,970$15.2M8.28%newTimeline
MDLNMEDLINE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 300,000 shares; 2026Q1: 300,000 shares 300,000$13.3M7.26%0Timeline
NRGNRG ENERGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 85,000 shares 85,000$12.4M6.76%newTimeline
FPSFORGENT POWER SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 350,000 shares 350,000$10.2M5.57%newTimeline
SLDBSOLID BIOSCIENCES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 1,420,295$10.2M5.56%+70,524Timeline
NKTRNEKTAR THERAPEUTICSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 94,134 shares; 2026Q1: 100,000 shares 100,000$7.2M3.91%+5,866Timeline
CYTKCYTOKINETICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 100,000 shares; 2025Q4: 75,000 shares; 2026Q1: 100,000 shares 100,000$6.59M3.59%+25,000Timeline
JOBY AVIATION INCJOBY AVIATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 7,000,000 shares 7,000,000$5.86M3.19%new
PPLPPL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 101,300 shares 101,300$5.24M2.85%newTimeline
BBIOBRIDGEBIO PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 175,000 shares; 2025Q2: 255,000 shares; 2025Q3: 200,000 shares; 2025Q4: 100,000 shares; 2026Q1: 67,139 shares 67,139$4.99M2.71%-32,861Timeline
ADTADT INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 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 700,000$4.6M2.5%+300,000Timeline
ORACLE CORPORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 100,000 shares 100,000$4.5M2.45%new
EVMNEVOMMUNE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 183,239 shares; 2026Q1: 179,340 shares 179,340$4.12M2.24%-3,899Timeline
KKR & CO INCKKR & CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 108,888 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 100,000 shares 100,000$4.02M2.19%new
ASTSAST SPACEMOBILE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 45,000 shares 45,000$3.73M2.03%newTimeline
ZENAS BIOPHARMA INCZENAS BIOPHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 3,152,000 shares 3,152,000$3.21M1.75%new
SNDKSANDISK CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 5,000 shares 5,000$3.18M1.73%newTimeline
MANEVERADERMICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 50,000 shares 50,000$3.16M1.72%newTimeline
ZBIOZENAS BIOPHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 150,000 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 150,000 shares 150,000$2.93M1.6%newTimeline
KYMRKYMERA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 85,000 shares; 2025Q3: not reported; 2025Q4: 100,000 shares; 2026Q1: 35,100 shares 35,100$2.92M1.59%-64,900Timeline
AMBQAMBIQ MICRO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 200,000 shares; 2025Q4: 85,089 shares; 2026Q1: 103,756 shares 103,756$2.64M1.43%+18,667Timeline
MMEDMINIMED GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 175,000 shares 175,000$2.61M1.42%newTimeline
FIGRFIGURE TECHNOLOGY SOLUTIOQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 200,000 shares; 2025Q4: not reported; 2026Q1: 76,520 shares 76,520$2.6M1.41%newTimeline
SGPSPYGLASS PHARMA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 95,000 shares 95,000$2.46M1.34%newTimeline
GPCRSTRUCTURE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 159,608 shares; 2024Q4: 132,000 shares; 2025Q1: 292,862 shares; 2025Q2: 430,000 shares; 2025Q3: 200,000 shares; 2025Q4: 225,000 shares; 2026Q1: 50,000 shares 50,000$2.41M1.31%-175,000Timeline
CRSPCRISPR THERAPEUTICS AGQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 50,000 shares 50,000$2.38M1.29%newTimeline
INGMINGRAM MICRO HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 100,000 shares 100,000$2.33M1.27%newTimeline
GFSGLOBALFOUNDRIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 50,000 shares 50,000$2.22M1.21%newTimeline
ENGNENGENE HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 295,000 shares; 2026Q1: 320,000 shares 320,000$2.18M1.19%+25,000Timeline
FLOCFLOWCO HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 100,000 shares 100,000$2.06M1.12%newTimeline
SABSSAB BIOTHERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 500,000 shares 500,000$1.92M1.04%newTimeline
ACRSACLARIS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 888,888 shares; 2025Q1: 888,888 shares; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 500,000 shares 500,000$1.88M1.02%newTimeline
HNRGHALLADOR ENERGY COMPANYQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 90,000 shares 90,000$1.47M0.8%newTimeline
NVGSNAVIGATOR HLDGS LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 75,000 shares 75,000$1.45M0.79%newTimeline
HLXCHELIX ACQUISITION CORP IIIQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 137,113 shares 137,113$1.39M0.76%newTimeline
CMPXCOMPASS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 500,000 shares; 2024Q4: 448,164 shares; 2025Q1: 448,164 shares; 2025Q2: 165,000 shares; 2025Q3: 1,250,000 shares; 2025Q4: 1,000,000 shares; 2026Q1: 258,865 shares 258,865$1.37M0.74%-741,135Timeline
BTGOBITGO HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 150,000 shares 150,000$1.23M0.67%newTimeline
COHRCOHERENT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 5,000 shares 5,000$1.19M0.65%newTimeline
JANJANUS LIVING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 50,000 shares 50,000$1.18M0.64%newTimeline
WYFIWHITEFIBER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 355,000 shares; 2025Q4: 140,000 shares; 2026Q1: 80,000 shares 80,000$953K0.52%-60,000Timeline
VIRVIR BIOTECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 100,000 shares 100,000$896K0.49%newTimeline
GOSSAMER BIO INCGOSSAMER BIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 2,167,000 shares 2,167,000$845K0.46%new
NRGVENERGY VAULT HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 176,453 shares 176,453$582K0.32%newTimeline
MSLESATELLOS BIOSCIENCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 12,000 shares 12,000$67.6K0.04%newTimeline

Sold out in Q1 2026

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

SecurityShares beforeValue beforeType
SOFISOFI TECHNOLOGIES INC400,000$10.5Mshares
ULSUL SOLUTIONS INC130,000$10.3Mshares
INSMINSMED INC50,000$8.7Mshares
MIAXMIAMI INTL HLDGS INC175,000$7.77Mshares
LGNLEGENCE CORP137,940$5.94Mshares
IMNMIMMUNOME INC274,861$5.9Mshares
ITTITT INC32,067$5.56Mshares
WLTHWEALTHFRONT CORP300,000$4.08Mshares
SOSOUTHERN CO75,877$3.82Mshares
GOSSGOSSAMER BIO INC1,000,000$3.1Mshares
NOVTUNOVANTA INC55,962$3.08Mshares
LMRILUMEXA IMAGING HOLDINGS INC150,000$2.77Mshares
DYNDYNE THERAPEUTICS INC114,525$2.24Mshares
AEROGRUPO AEROMEXICO SAB DE CV91,619$2.01Mshares
EVACUEQV VENTURES AC CORP. II198,313$2Mshares
KYTXKYVERNA THERAPEUTICS INC195,000$1.83Mshares
IMTXIMMATICS N.V160,336$1.68Mshares
CTNMCONTINEUM THERAPEUTICS INC137,430$1.57Mshares
DNLIDENALI THERAPEUTICS INC91,620$1.51Mshares
GOSSAMER BIO INCGOSSAMER BIO INC1,874,000$1.28Mprincipal
VERAVERA THERAPEUTICS INC22,905$1.16Mshares
LPTHLIGHTPATH TECHNOLOGIES INC100,000$1.08Mshares
BDSXBIODESIX INC112,344$764Kshares
TARAPROTARA THERAPEUTICS INC125,000$666Kshares
IMAIMAGENEBIO INC91,621$632Kshares
IBIOIBIO INC274,862$530Kshares

How Q1 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 0001172661-26-001803 base2026-05-13acceptance time not in the bulk data set