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).
Location Boston, MA
CIK 0001627608
Portfolio Value $181.8M (Q2 2025) Holdings 36 stocks · $181.8M Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q1 2025 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) Total filed on the 13F, all lines: $189.5M.
Portfolio Sells Q1 2025 → Q2 2025 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2025 % Of Portfolio Change To Portfolio ▲ 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 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2025 % Of Portfolio Change To Portfolio ▼ 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 Security Type Change vs Q1 2025 Underlying Shares Value ▼ 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 Security Class Change vs Q1 2025 Shares / Principal Value ▼ 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 Quarter Positions 13F Reported Value Top Holdings Q2 2026 17 $41.4M SLDB, DLR, SYRE, ADT, TNGX Q1 2026 41 $154.8M TERN, MDLN, NRG, FPS, SLDB Q4 2025 37 $169.3M GPCR, MDLN, SOFI, ULS, INSM Q3 2025 58 $194.0M BBIO, FWDI, WYFI, FIGR, NTSK Q2 2025 36 $181.8M LLY, CORZ, KTOS, BBIO, SLDB Q1 2025 41 $826.9M IVV, VOO, VEA, IEFA, VWO Q4 2024 34 $719.5M IVV, VOO, VEA, IEFA, VWO Q3 2024 103 $903.5M IVV, VOO, VEA, IEFA, VWO Q2 2024 72 $766.6M IVV, VOO, VEA, IEFA, VWO Q1 2024 99 $835.9M IVV, VOO, VEA, IEFA, VWO