Monashee Investment Management LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 11, 2025), Monashee Investment Management LLC reported 36 stock positions worth $181.8 million. Its top holding was Eli Lilly (LLY) at 8.6% of the portfolio, followed by Core Scientific (CORZ, 6.6%) and Kratos Defense & Security (KTOS, 6.4%). Compared with Q1 2025, it opened 30 new positions, sold out of 35, added to 4 and reduced 2. The biggest buy was a new position in Eli Lilly (LLY) and the biggest sale an exit from iShares Core S&P 500 ETF (IVV).

Most Recent 13F
Q2 2026
Location
Boston, MA
CIK
0001627608
Portfolio Value
$181.8M (Q2 2025)
SEC Filing
0001172661-25-002999 ↗ filed Aug 11, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M$1.0B Q1 2024: $835.9M Q1 2024 Q2 2024: $766.6M Q2 2024 Q3 2024: $903.5M Q3 2024 Q4 2024: $719.5M Q4 2024 Q1 2025: $826.9M Q1 2025 Q2 2025: $181.8M $181.8M Q2 2025 Q3 2025: $194.0M Q3 2025 Q4 2025: $169.3M Q4 2025 Q1 2026: $154.8M Q1 2026 Q2 2026: $41.4M Q2 2026

Holdings 36 stocks · $181.8M

LLY Eli Lilly & Co. 8.58% 20,000 $15.6M New
CORZ Core Scientific Inc. 6.57% 700,000 $11.9M New
KTOS Kratos Defense & Security 6.39% 250,000 $11.6M New
BBIO Bridgebio Pharma Inc. 6.06% 255,000 $11.0M Add +45.7%
SLDB Solid Biosciences Inc. 5.80% 2,165,000 $10.5M Add +29.4%
GLXY Galaxy Digital Inc. Class A 5.66% 470,000 $10.3M New
GPCR Structure Therapeutics Inc. 4.91% 430,000 $8.9M Add +46.8%
ACHR Archer Aviation Inc. Class A 4.77% 800,000 $8.7M New
CHWY Chewy Inc. Class A 4.69% 200,000 $8.5M New
RIOT Riot Platforms Inc. 3.73% 600,000 $6.8M New
TMUS T-Mobile US Inc. 3.28% 25,000 $6.0M New
OMDA Omada Health Inc. 3.02% 300,000 $5.5M New
ETOR Etoro Group Ltd. Class A 2.84% 77,500 $5.2M New
MMYT Makemytrip Ltd. 2.83% 52,500 $5.1M New
ADT Adt Inc. 2.80% 600,406 $5.1M Add +4.4%
OKLO Oklo Inc. 2.77% 90,000 $5.0M New
VERX Vertex Inc. Class A 2.53% 130,000 $4.6M New
RDW Redwire Corp. 2.24% 250,000 $4.1M New
INSM Insmed Inc. 2.21% 40,000 $4.0M New
KYMR Kymera Therapeutics Inc. 2.04% 85,000 $3.7M New
MRX Marex UK Holdings Ltd. filed as MAREX GROUP PLC 1.95% 90,000 $3.6M New
NBIS Nebius Group NV 1.83% 60,000 $3.3M New
LTM Latam Airlines Group SA-ADR 1.79% 80,000 $3.3M New
CCC CCC Intelligent Solutions Ho 1.68% 325,000 $3.1M New
LTH Life Time Group Holdings Inc. 1.42% 85,000 $2.6M New
KARO Karooooo Ltd. 1.21% 45,000 $2.2M New
CAEP Cantor Equity Partners III-A 1.16% 200,000 $2.1M New
ONDS Ondas Inc. filed as ONDAS HLDGS INC 1.06% 1,000,000 $1.9M New
CEPT Cantor Equity Partners Class A 0.91% 150,000 $1.7M New
KRT Karat Packaging Inc. 0.85% 55,000 $1.5M New
AIRS Airsculpt Technologies Inc. 0.65% 245,538 $1.2M New
SITM Sitime Corp. 0.59% 5,000 $1.1M New
TATT Tat Technologies Ltd. 0.54% 31,937 $975K New
BDSX Biodesix Inc. 0.31% 2,000,000 $564K Reduce -50.6%
CMPX Compass Therapeutics Inc. 0.24% 165,000 $429K Reduce -63.2%
JCAP Jefferson Capital Inc. 0.10% 10,000 $185K New

Options reported separately and not counted above: QXO puts ($17.2M), BRO puts ($16.6M), TTAN puts ($10.2M), HNGE puts ($7.2M), CIFR puts ($5.3M), CHYM puts ($4.8M), BTSG puts ($3.3M), TEM puts ($3.2M), SLDE puts ($3.0M), AUR puts ($2.6M), VOYG puts ($2.6M), SMCI puts ($2.5M), and 5 more.

Other holdings (4): bonds, preferreds, convertibles and warrants · $7.8M (not counted above)
SecurityClassShares / PrincipalValueChange
QXO INC (QXO 5.5 05/15/28 B) 5.50 DEP PFD 75,000$4.6MNew
CIPHER DIGITAL INC (CIFR 1.75 05/15/30) NOTE 1.750% 5/1 · principal 2,000,000$2.6MNew
GOSSAMER BIO INC (GOSS 5 06/01/27) NOTE 5.000% 6/0 · principal 1,000,000$527KNew
SRZNW Surrozen Inc.-CW25 *W EXP 08/01/203 30,129$545New

Total filed on the 13F, all lines: $189.5M.

Portfolio Sells Q1 2025 → Q2 2025

IVV iShares Core S&P 500 ETF Sold out 0.00% −19.51
VOO Vanguard S&P 500 ETF Sold out 0.00% −19.45
VEA Vanguard Ftse Developed ETF Sold out 0.00% −11.26
IEFA iShares Core MSCI Eafe ETF Sold out 0.00% −8.61
VWO Vanguard Ftse Emerging Marke Sold out 0.00% −6.16
IEMG iShares Core MSCI Emerging Sold out 0.00% −5.27
ITOT iShares Core S&P Total U.S. Sold out 0.00% −3.12
VTI VG Morningstar TS MKT ETF-US Sold out 0.00% −3.11
PRMB Primo Brands Corp. Sold out 0.00% −2.40
AEP American Electric Power Sold out 0.00% −1.98
ETR Entergy Corp. Sold out 0.00% −1.55
SARO Standardaero Inc. Sold out 0.00% −1.55
PRCH Porch Group Inc. Sold out 0.00% −1.37
WAY Waystar Holding Corp. Sold out 0.00% −1.13
LB Landbridge Co. LLC-A Sold out 0.00% −1.09
KDP Keurig Dr Pepper Inc. Sold out 0.00% −0.99
AMTM Amentum Holdings Inc. Sold out 0.00% −0.79
FG F&G Annuities & Life Inc. Sold out 0.00% −0.76
SCHW Schwab (charles) Corp. Sold out 0.00% −0.71
CRWV Coreweave Inc. Class A Sold out 0.00% −0.67
COMP Compass Inc. Class A Sold out 0.00% −0.63
AS Amer Sports Inc. Sold out 0.00% −0.57
KKR KKR & Co. Inc. Sold out 0.00% −0.56
VIK Viking Holdings Ltd. Sold out 0.00% −0.48
AAPG Ascentage Pharma GR-ADR Sold out 0.00% −0.42
HUMA Humacyte Inc. Sold out 0.00% −0.41
OWL Blue Owl Capital Inc. Sold out 0.00% −0.36
AKBA Akebia Therapeutics Inc. Sold out 0.00% −0.35
CWAN Clearwater Analytics HDS-A Sold out 0.00% −0.34
QFIN Qfin Holdings Inc.-ADR Sold out 0.00% −0.27
MUX McEwen Inc. Sold out 0.00% −0.25
MLYS Mineralys Therapeutics Inc. Sold out 0.00% −0.22
GME Gamestop Corp. Class A Sold out 0.00% −0.20
ED Consolidated Edison Inc. Sold out 0.00% −0.20
ACRS Aclaris Therapeutics Inc. Sold out 0.00% −0.16
BDSX Biodesix Inc. Reduce -50.6% 0.31% +0.00
CMPX Compass Therapeutics Inc. Reduce -63.2% 0.24% +0.13

Portfolio Buys Q1 2025 → Q2 2025

LLY Eli Lilly & Co. New 8.58% +8.58
CORZ Core Scientific Inc. New 6.57% +6.57
KTOS Kratos Defense & Security New 6.39% +6.39
GLXY Galaxy Digital Inc. Class A New 5.66% +5.66
BBIO Bridgebio Pharma Inc. Add +45.7% 6.06% +5.33
SLDB Solid Biosciences Inc. Add +29.4% 5.80% +5.05
ACHR Archer Aviation Inc. Class A New 4.77% +4.77
CHWY Chewy Inc. Class A New 4.69% +4.69
GPCR Structure Therapeutics Inc. Add +46.8% 4.91% +4.29
RIOT Riot Platforms Inc. New 3.73% +3.73
TMUS T-Mobile US Inc. New 3.28% +3.28
OMDA Omada Health Inc. New 3.02% +3.02
ETOR Etoro Group Ltd. Class A New 2.84% +2.84
MMYT Makemytrip Ltd. New 2.83% +2.83
OKLO Oklo Inc. New 2.77% +2.77
VERX Vertex Inc. Class A New 2.53% +2.53
RDW Redwire Corp. New 2.24% +2.24
ADT Adt Inc. Add +4.4% 2.80% +2.23
INSM Insmed Inc. New 2.21% +2.21
KYMR Kymera Therapeutics Inc. New 2.04% +2.04
MRX Marex UK Holdings Ltd. New 1.95% +1.95
NBIS Nebius Group NV New 1.83% +1.83
LTM Latam Airlines Group SA-ADR New 1.79% +1.79
CCC CCC Intelligent Solutions Ho New 1.68% +1.68
LTH Life Time Group Holdings Inc. New 1.42% +1.42
KARO Karooooo Ltd. New 1.21% +1.21
CAEP Cantor Equity Partners III-A New 1.16% +1.16
ONDS Ondas Inc. New 1.06% +1.06
CEPT Cantor Equity Partners Class A New 0.91% +0.91
KRT Karat Packaging Inc. New 0.85% +0.85
AIRS Airsculpt Technologies Inc. New 0.65% +0.65
SITM Sitime Corp. New 0.59% +0.59
TATT Tat Technologies Ltd. New 0.54% +0.54
JCAP Jefferson Capital Inc. New 0.10% +0.10

Options Activity Q1 2025 → Q2 2025

QXO Qxo Inc. put New 800,000 $17.2M
BRO Brown & Brown Inc. put New 150,000 $16.6M
TTAN Servicetitan Inc. Class A put New 95,000 $10.2M
HNGE Hinge Health Inc. Class A put New 140,000 $7.2M
CIFR Cipher Digital Inc. put New 1,100,000 $5.3M
CHYM Chime Financial Inc. Class A put New 140,000 $4.8M
BTSG Brightspring Health Services put New 140,000 $3.3M
TEM Tempus AI Inc. Class A put New 50,000 $3.2M
SLDE Slide Insurance Holdings Inc. put New 140,000 $3.0M
AUR Aurora Innovation Inc. put New 500,000 $2.6M
VOYG Voyager Technologies Inc. Class A put New 65,000 $2.6M
SMCI Super Micro Computer Inc. put New 50,000 $2.5M
RBRK Rubrik Inc. Class A put New 25,000 $2.2M
CTRI Centuri Holdings Inc. put New 80,000 $1.8M
CAI Caris Life Sciences Inc. put New 65,000 $1.7M
AIRO Airo Group Holdings Inc. put New 45,000 $1.1M
SNDK Sandisk Corp. put New 22,033 $999K

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

Notes & Other Activity Q1 2025 → Q2 2025

KKR & CO INC (KKR 6.25 03/01/28 D) 6.25 CON SER D Sold out 108,888 $5.4Mbefore exit
QXO INC (QXO 5.5 05/15/28 B) 5.50 DEP PFD New 75,000 $4.6M
NEXTERA ENERGY INC (NEE 7.234 11/01/27) UNIT 11/01/2027 Sold out 100,000 $4.6Mbefore exit
MICROCHIP TECHNOLOGY INC (MCHP 7.5 03/15/28) DEP SHS REPSTG Sold out 75,000 $3.8Mbefore exit
BOEING CO/THE (BA 6 10/15/27) DEP CONV PFD A Sold out 50,000 $3.0Mbefore exit
CIPHER DIGITAL INC (CIFR 1.75 05/15/30) NOTE 1.750% 5/1 · principal New 2,000,000 $2.6M
SUPER MICRO COMPUTER INC (SMCI 3.5 03/01/29) NOTE 3.500% 3/0 · principal Sold out 1,500,000 $1.5Mbefore exit
GOSSAMER BIO INC (GOSS 5 06/01/27) NOTE 5.000% 6/0 · principal New 1,000,000 $527K
SRZNW Surrozen Inc.-CW25 *W EXP 08/01/203 New 30,129 $545

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 17$41.4MSLDB, DLR, SYRE, ADT, TNGX
Q1 2026 41$154.8MTERN, MDLN, NRG, FPS, SLDB
Q4 2025 37$169.3MGPCR, MDLN, SOFI, ULS, INSM
Q3 2025 58$194.0MBBIO, FWDI, WYFI, FIGR, NTSK
Q2 2025 36$181.8MLLY, CORZ, KTOS, BBIO, SLDB
Q1 2025 41$826.9MIVV, VOO, VEA, IEFA, VWO
Q4 2024 34$719.5MIVV, VOO, VEA, IEFA, VWO
Q3 2024 103$903.5MIVV, VOO, VEA, IEFA, VWO
Q2 2024 72$766.6MIVV, VOO, VEA, IEFA, VWO
Q1 2024 99$835.9MIVV, VOO, VEA, IEFA, VWO