Monashee Investment Management LLC
In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 14, 2025), Monashee Investment Management LLC reported 41 stock positions worth $826.9 million. Its top holding was iShares Core S&P 500 ETF (IVV) at 19.5% of the portfolio, followed by Vanguard S&P 500 ETF (VOO, 19.5%) and Vanguard Ftse Developed ETF (VEA, 11.3%). Compared with Q4 2024, it opened 25 new positions, sold out of 18, added to 10 and reduced 1. The biggest buy was a new position in Primo Brands (PRMB) and the biggest sale an exit from Arthur J Gallagher (AJG).
- Most Recent 13F
- Q2 2026
- Location
- Boston, MA
- CIK
- 0001627608
- Portfolio Value
- $826.9M (Q1 2025)
- SEC Filing
- 0001172661-25-001816 ↗ filed May 14, 2025
Holdings Value
Holdings 41 stocks · $826.9M
| IVV iShares Core S&P 500 ETF | 19.51% | 287,110 | $161.3M | Add +2.4% |
| VOO Vanguard S&P 500 ETF | 19.45% | 313,010 | $160.9M | Add +2.4% |
| VEA Vanguard Ftse Developed ETF | 11.26% | 1,832,100 | $93.1M | Add +5.5% |
| IEFA iShares Core MSCI Eafe ETF | 8.61% | 941,680 | $71.2M | Add +6.5% |
| VWO Vanguard Ftse Emerging Marke | 6.16% | 1,126,060 | $51.0M | Add +4.5% |
| IEMG iShares Core MSCI Emerging | 5.27% | 807,100 | $43.6M | Add +4.5% |
| ITOT iShares Core S&P Total U.S. | 3.12% | 211,260 | $25.8M | No change |
| VTI VG Morningstar TS MKT ETF-US | 3.11% | 93,660 | $25.7M | No change |
| PRMB Primo Brands Corp. | 2.40% | 560,000 | $19.9M | New |
| AEP American Electric Power | 1.98% | 150,000 | $16.4M | New |
| ETR Entergy Corp. | 1.55% | 150,000 | $12.8M | New |
| SARO Standardaero Inc. | 1.55% | 480,000 | $12.8M | New |
| PRCH Porch Group Inc. | 1.37% | 1,550,000 | $11.3M | New |
| WAY Waystar Holding Corp. | 1.13% | 250,000 | $9.3M | New |
| LB Landbridge Co. LLC-A | 1.09% | 124,937 | $9.0M | No change |
| KDP Keurig Dr Pepper Inc. | 0.99% | 240,000 | $8.2M | New |
| AMTM Amentum Holdings Inc. | 0.79% | 360,000 | $6.6M | New |
| FG F&G Annuities & Life Inc. | 0.76% | 175,000 | $6.3M | New |
| SLDB Solid Biosciences Inc. | 0.75% | 1,673,412 | $6.2M | Add +248.6% |
| BBIO Bridgebio Pharma Inc. | 0.73% | 175,000 | $6.0M | New |
| SCHW Schwab (charles) Corp. | 0.71% | 75,000 | $5.9M | New |
| CRWV Coreweave Inc. Class A | 0.67% | 150,000 | $5.6M | New |
| COMP Compass Inc. Class A | 0.63% | 600,000 | $5.2M | Add +57.9% |
| GPCR Structure Therapeutics Inc. | 0.61% | 292,862 | $5.1M | Add +121.9% |
| ADT Adt Inc. | 0.57% | 575,000 | $4.7M | New |
| AS Amer Sports Inc. | 0.57% | 175,000 | $4.7M | Reduce -23.9% |
| KKR KKR & Co. Inc. | 0.56% | 40,000 | $4.6M | New |
| VIK Viking Holdings Ltd. | 0.48% | 100,000 | $4.0M | New |
| AAPG Ascentage Pharma GR-ADR | 0.42% | 159,942 | $3.5M | New |
| HUMA Humacyte Inc. | 0.41% | 2,000,000 | $3.4M | New |
| OWL Blue Owl Capital Inc. | 0.36% | 150,000 | $3.0M | New |
| AKBA Akebia Therapeutics Inc. | 0.35% | 1,500,000 | $2.9M | New |
| CWAN Clearwater Analytics HDS-A | 0.34% | 105,000 | $2.8M | New |
| BDSX Biodesix Inc. | 0.31% | 4,050,000 | $2.5M | Add +15.7% |
| QFIN Qfin Holdings Inc.-ADR filed as QIFU TECHNOLOGY INC | 0.27% | 50,000 | $2.2M | New |
| MUX McEwen Inc. | 0.25% | 275,000 | $2.1M | New |
| MLYS Mineralys Therapeutics Inc. | 0.22% | 112,457 | $1.8M | New |
| GME Gamestop Corp. Class A | 0.20% | 75,000 | $1.7M | New |
| ED Consolidated Edison Inc. | 0.20% | 15,000 | $1.7M | New |
| ACRS Aclaris Therapeutics Inc. | 0.16% | 888,888 | $1.4M | No change |
| CMPX Compass Therapeutics Inc. | 0.10% | 448,164 | $852K | No change |
Other holdings (5): bonds, preferreds, convertibles and warrants · $18.2M (not counted above)
| Security | Class | Shares / Principal | Value | Change |
|---|---|---|---|---|
| KKR & CO INC (KKR 6.25 03/01/28 D) | 6.25 CON SER D | 108,888 | $5.4M | New |
| NEXTERA ENERGY INC (NEE 7.234 11/01/27) | UNIT 11/01/2027 | 100,000 | $4.6M | New |
| MICROCHIP TECHNOLOGY INC (MCHP 7.5 03/15/28) | DEP SHS REPSTG | 75,000 | $3.8M | New |
| BOEING CO/THE (BA 6 10/15/27) | DEP CONV PFD A | 50,000 | $3.0M | No change |
| SUPER MICRO COMPUTER INC (SMCI 3.5 03/01/29) | NOTE 3.500% 3/0 · principal | 1,500,000 | $1.5M | New |
Total filed on the 13F, all lines: $845.1M.
Portfolio Sells Q4 2024 → Q1 2025
| AJG Arthur J Gallagher & Co. | Sold out | 0.00% | −2.76 |
| SOC Sable Offshore Corp. | Sold out | 0.00% | −1.10 |
| BA The Boeing Co. | Sold out | 0.00% | −0.98 |
| ABX Abacus Global Management Inc. | Sold out | 0.00% | −0.88 |
| ACHR Archer Aviation Inc. Class A | Sold out | 0.00% | −0.60 |
| LUNR Intuitive Machines Inc. | Sold out | 0.00% | −0.59 |
| LMAT Lemaitre Vascular Inc. | Sold out | 0.00% | −0.51 |
| AER Aercap Holdings NV | Sold out | 0.00% | −0.40 |
| NBIS Nebius Group NV | Sold out | 0.00% | −0.39 |
| AS Amer Sports Inc. | Reduce -23.9% | 0.57% | −0.33 |
| CRGY Crescent Energy Inc. Class A | Sold out | 0.00% | −0.32 |
| EVGO Evgo Inc. | Sold out | 0.00% | −0.28 |
| SRRK Scholar Rock Holding Corp. | Sold out | 0.00% | −0.27 |
| KGS Kodiak Gas Services Inc. | Sold out | 0.00% | −0.27 |
| NAMS Newamsterdam Pharma Co. NV | Sold out | 0.00% | −0.18 |
| CGON CG Oncology Inc. | Sold out | 0.00% | −0.15 |
| SEI Solaris Energy Infrastructur | Sold out | 0.00% | −0.12 |
| TTAN Servicetitan Inc. Class A | Sold out | 0.00% | −0.11 |
| MDXH Mdxhealth | Sold out | 0.00% | −0.07 |
Portfolio Buys Q4 2024 → Q1 2025
| PRMB Primo Brands Corp. | New | 2.40% | +2.40 |
| AEP American Electric Power | New | 1.98% | +1.98 |
| ETR Entergy Corp. | New | 1.55% | +1.55 |
| SARO Standardaero Inc. | New | 1.55% | +1.55 |
| PRCH Porch Group Inc. | New | 1.37% | +1.37 |
| WAY Waystar Holding Corp. | New | 1.13% | +1.13 |
| KDP Keurig Dr Pepper Inc. | New | 0.99% | +0.99 |
| AMTM Amentum Holdings Inc. | New | 0.79% | +0.79 |
| FG F&G Annuities & Life Inc. | New | 0.76% | +0.76 |
| BBIO Bridgebio Pharma Inc. | New | 0.73% | +0.73 |
| SCHW Schwab (charles) Corp. | New | 0.71% | +0.71 |
| CRWV Coreweave Inc. Class A | New | 0.67% | +0.67 |
| ADT Adt Inc. | New | 0.57% | +0.57 |
| KKR KKR & Co. Inc. | New | 0.56% | +0.56 |
| SLDB Solid Biosciences Inc. | Add +248.6% | 0.75% | +0.48 |
| VIK Viking Holdings Ltd. | New | 0.48% | +0.48 |
| AAPG Ascentage Pharma GR-ADR | New | 0.42% | +0.42 |
| HUMA Humacyte Inc. | New | 0.41% | +0.41 |
| OWL Blue Owl Capital Inc. | New | 0.36% | +0.36 |
| AKBA Akebia Therapeutics Inc. | New | 0.35% | +0.35 |
| CWAN Clearwater Analytics HDS-A | New | 0.34% | +0.34 |
| COMP Compass Inc. Class A | Add +57.9% | 0.63% | +0.32 |
| QFIN Qfin Holdings Inc.-ADR | New | 0.27% | +0.27 |
| MUX McEwen Inc. | New | 0.25% | +0.25 |
| MLYS Mineralys Therapeutics Inc. | New | 0.22% | +0.22 |
| GME Gamestop Corp. Class A | New | 0.20% | +0.20 |
| ED Consolidated Edison Inc. | New | 0.20% | +0.20 |
| GPCR Structure Therapeutics Inc. | Add +121.9% | 0.61% | +0.12 |
| IEFA iShares Core MSCI Eafe ETF | Add +6.5% | 8.61% | −0.02 |
| VEA Vanguard Ftse Developed ETF | Add +5.5% | 11.26% | −0.28 |
| IEMG iShares Core MSCI Emerging | Add +4.5% | 5.27% | −0.34 |
| VWO Vanguard Ftse Emerging Marke | Add +4.5% | 6.16% | −0.43 |
| BDSX Biodesix Inc. | Add +15.7% | 0.31% | −0.44 |
| IVV iShares Core S&P 500 ETF | Add +2.4% | 19.51% | −3.45 |
| VOO Vanguard S&P 500 ETF | Add +2.4% | 19.45% | −3.45 |
Notes & Other Activity Q4 2024 → Q1 2025
| KKR & CO INC (KKR 6.25 03/01/28 D) | 6.25 CON SER D | New | 108,888 | $5.4M |
| NEXTERA ENERGY INC (NEE 7.234 11/01/27) | UNIT 11/01/2027 | New | 100,000 | $4.6M |
| MICROCHIP TECHNOLOGY INC (MCHP 7.5 03/15/28) | DEP SHS REPSTG | New | 75,000 | $3.8M |
| CONFLUENT INC (CFLT 0 01/15/27) | NOTE 1/1 · principal | Sold out | 3,000,000 | $2.7Mbefore exit |
| PG&E CORP (PCG 6 12/01/27 A) | PFD CONV SER A | Sold out | 51,275 | $2.6Mbefore exit |
| SUPER MICRO COMPUTER INC (SMCI 3.5 03/01/29) | NOTE 3.500% 3/0 · principal | New | 1,500,000 | $1.5M |
| CLOUDFLARE INC (NET 0 08/15/26) | NOTE 8/1 · principal | Sold out | 1,500,000 | $1.4Mbefore exit |
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 |