Monashee Investment Management LLC
CIK: 0001627608Latest portfolio: $177.5M · Q4 2025
Holdings
40
Total Value
$177.5M
New Positions
28
Closed Positions
47
Top Holdings
View All 40 Holdings →| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | GPCRSTRUCTURE THERAPEUTICS INC | 225,000 | $15.6M | 8.82% | +25K | |
| 2 | MDLNMEDLINE INC | 300,000 | $12.6M | 7.10% | NEW | |
| 3 | SOFISOFI TECHNOLOGIES INC | 400,000 | $10.5M | 5.90% | NEW | |
| 4 | ULSUL SOLUTIONS INC | 130,000 | $10.3M | 5.78% | NEW | |
| 5 | IM8NINSMED INC | 50,000 | $8.7M | 4.90% | NEW | |
| 6 | TERNTERNS PHARMACEUTICALS INC | 197,313 | $8.0M | 4.49% | NEW | |
| 7 | KYMRKYMERA THERAPEUTICS INC | 100,000 | $7.8M | 4.38% | NEW | |
| 8 | MIAXMIAMI INTL HLDGS INC | 175,000 | $7.8M | 4.38% | +25K | |
| 9 | BBIOBRIDGEBIO PHARMA INC | 100,000 | $7.6M | 4.31% | -100,000 | |
| 10 | SLDBSOLID BIOSCIENCES INC | 1,349,771 | $7.6M | 4.29% | NEW | |
| 11 | LGNLEGENCE CORP | 137,940 | $5.9M | 3.34% | -12,060 | |
| 12 | IMNMIMMUNOME INC | 274,861 | $5.9M | 3.33% | NEW | |
| 13 | ITTITT INC | 32,067 | $5.6M | 3.13% | NEW | |
| 14 | CMPXCOMPASS THERAPEUTICS INC | 1,000,000 | $5.4M | 3.03% | -250,000 | |
| 15 | CYTKCYTOKINETICS INC | 75,000 | $4.8M | 2.69% | -25,000 | |
| 16 | WLTHWEALTHFRONT CORP | 300,000 | $4.1M | 2.30% | NEW | |
| 17 | NKTRNEKTAR THERAPEUTICS | 94,134 | $4.0M | 2.24% | NEW | |
| 18 | SO 7.125 12/15/28 ASOUTHERN CO | 75,877 | $3.8M | 2.15% | NEW | |
| 19 | ADTADT INC DEL | 400,000 | $3.2M | 1.82% | -50,000 | |
| 20 | EVMNEVOMMUNE INC | 183,239 | $3.1M | 1.77% | NEW | |
| 21 | GOSSGOSSAMER BIO INC | 1,000,000 | $3.1M | 1.75% | NEW | |
| 22 | NOVT 6.5 11/01/28NOVANTA INC | 55,962 | $3.1M | 1.73% | NEW | |
| 23 | LMRILUMEXA IMAGING HOLDINGS INC | 150,000 | $2.8M | 1.56% | NEW | |
| 24 | ENGNENGENE HOLDINGS INC | 295,000 | $2.7M | 1.50% | NEW | |
| 25 | AMBQAMBIQ MICRO INC | 85,089 | $2.4M | 1.37% | -114,911 |
Quarterly Changes
New Positions
Sector Breakdown
Healthcare0.0% ($1.564812600797178e+84T)
Industrials0.0% ($102515936556.3T)
Unknown0.0% ($87023821307.6T)
Financial Services0.0% ($1047.3T)
Technology0.0% ($407.7T)
Filing History
Fund Information
Monashee Investment Management LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $177.5M across 40 holdings. The largest position is STRUCTURE THERAPEUTICS INC (GPCR), representing 8.8% of the portfolio. Compared to the previous quarter, the fund opened 28 new positions and closed 49 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.