Monashee Investment Management LLC — 13F Holdings & Portfolio
CIK 1627608 · latest 13F-HR filed 2026-05-13
Monashee Investment Management LLC manages $183.8M in 13F-reported U.S. long-equity assets across 45 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are TERN (8.60%), NEEPV (8.28%), MDLN (7.26%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 30 new positions, exited 25, added to 8, and trimmed 7.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$183.8M
Long-equity book
45
Distinct positions
2026-03-31
Filed 2026-05-13
+30 / −25 / ↑8 / ↓7
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- TERNS PHARMACEUTICALS INC$7.8M +98.4%
- NEKTAR THERAPEUTICS$3.2M +80.8%
- SOLID BIOSCIENCES INC$2.6M +34.3%
- CYTOKINETICS INC$1.8M +38.3%
- ADT INC DEL$1.4M +42.5%
Top Trims
- STRUCTURE THERAPEUTICS INC-$13.2M -84.6%
- KYMERA THERAPEUTICS INC-$4.9M -62.4%
- COMPASS THERAPEUTICS INC-$4.0M -74.5%
- BRIDGEBIO PHARMA INC-$2.7M -34.8%
- WHITEFIBER INC-$1.3M -56.9%
New Positions
- NEXTERA ENERGY INC$15.2M
- NRG ENERGY INC$12.4M
- FORGENT POWER SOLUTIONS INC$10.2M
- JOBY AVIATION INC$5.9M
- PPL CORP$5.2M
Exited Positions
- SOFI TECHNOLOGIES INC$10.5M
- UL SOLUTIONS INC$10.3M
- INSMED INC$8.7M
- MIAMI INTL HLDGS INC$7.8M
- LEGENCE CORP$5.9M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | TERNS PHARMACEUTICALS INC | TERN | 880881107 | $15.8M | 8.60% | 300,000 | SH |
| 2 | NEXTERA ENERGY INC | NEEPV | 65339F655 | $15.2M | 8.28% | 299,970 | SH |
| 3 | MEDLINE INC | MDLN | 58507V107 | $13.3M | 7.26% | 300,000 | SH |
| 4 | NRG ENERGY INC | NRG | 629377508 | $12.4M | 6.76% | 85,000 | SH |
| 5 | FORGENT POWER SOLUTIONS INC | FPS | 34631F102 | $10.2M | 5.57% | 350,000 | SH |
| 6 | SOLID BIOSCIENCES INC | SLDB | 83422E204 | $10.2M | 5.56% | 1,420,295 | SH |
| 7 | NEKTAR THERAPEUTICS | NKTR | 640268306 | $7.2M | 3.91% | 100,000 | SH |
| 8 | CYTOKINETICS INC | CYTK | 23282W605 | $6.6M | 3.59% | 100,000 | SH |
| 9 | JOBY AVIATION INC | JOBY | 47775AAA9 | $5.9M | 3.19% | 7,000,000 | SH |
| 10 | PPL CORP | PPLC | 69351T866 | $5.2M | 2.85% | 101,300 | SH |
| 11 | BRIDGEBIO PHARMA INC | BBIO | 10806X102 | $5.0M | 2.71% | 67,139 | SH |
| 12 | ADT INC DEL | ADT | 00090Q103 | $4.6M | 2.50% | 700,000 | SH |
| 13 | ORACLE CORP | ORCLPD | 68389X204 | $4.5M | 2.45% | 100,000 | SH |
| 14 | EVOMMUNE INC | EVMN | 30054Y107 | $4.1M | 2.24% | 179,340 | SH |
| 15 | KKR & CO INC | KKRPD | 48251W500 | $4.0M | 2.19% | 100,000 | SH |
| 16 | AST SPACEMOBILE INC | ASTS | 00217D100 | $3.7M | 2.03% | 45,000 | SH |
| 17 | ZENAS BIOPHARMA INC | ZBIO | 98937LAA3 | $3.2M | 1.75% | 3,152,000 | SH |
| 18 | SANDISK CORP | SNDK | 80004C200 | $3.2M | 1.73% | 5,000 | SH |
| 19 | VERADERMICS INC | MANE | 922967104 | $3.2M | 1.72% | 50,000 | SH |
| 20 | ZENAS BIOPHARMA INC | ZBIO | 98937L105 | $2.9M | 1.60% | 150,000 | SH |
| 21 | KYMERA THERAPEUTICS INC | KYMR | 501575104 | $2.9M | 1.59% | 35,100 | SH |
| 22 | AMBIQ MICRO INC | AMBQ | 023193105 | $2.6M | 1.43% | 103,756 | SH |
| 23 | MINIMED GROUP INC | MMED | 60365F109 | $2.6M | 1.42% | 175,000 | SH |
| 24 | FIGURE TECHNOLOGY SOLUTIO | FIGR | 349381103 | $2.6M | 1.41% | 76,520 | SH |
| 25 | SPYGLASS PHARMA INC | SGP | 85220G109 | $2.5M | 1.34% | 95,000 | SH |
| 26 | STRUCTURE THERAPEUTICS INC | GPCR | 86366E106 | $2.4M | 1.31% | 50,000 | SH |
| 27 | CRISPR THERAPEUTICS AG | CRSP | H17182108 | $2.4M | 1.29% | 50,000 | SH |
| 28 | INGRAM MICRO HLDG CORP | INGM | 457152106 | $2.3M | 1.27% | 100,000 | SH |
| 29 | GLOBALFOUNDRIES INC | GFS | G39387108 | $2.2M | 1.21% | 50,000 | SH |
| 30 | ENGENE HOLDINGS INC | ENGNW | 29286M105 | $2.2M | 1.19% | 320,000 | SH |
| 31 | FLOWCO HLDGS INC | FLOC | 342909108 | $2.1M | 1.12% | 100,000 | SH |
| 32 | SAB BIOTHERAPEUTICS INC | SABS | 78397T202 | $1.9M | 1.04% | 500,000 | SH |
| 33 | ACLARIS THERAPEUTICS INC | ACRS | 00461U105 | $1.9M | 1.02% | 500,000 | SH |
| 34 | HALLADOR ENERGY COMPANY | HNRG | 40609P105 | $1.5M | 0.80% | 90,000 | SH |
| 35 | NAVIGATOR HLDGS LTD | NVGS | Y62132108 | $1.4M | 0.79% | 75,000 | SH |
| 36 | HELIX ACQUISITION CORP III | HLXC | G4444S107 | $1.4M | 0.76% | 137,113 | SH |
| 37 | COMPASS THERAPEUTICS INC | CMPX | 20454B104 | $1.4M | 0.74% | 258,865 | SH |
| 38 | BITGO HOLDINGS INC | BTGO | 091947101 | $1.2M | 0.67% | 150,000 | SH |
| 39 | COHERENT CORP | COHR | 19247G107 | $1.2M | 0.65% | 5,000 | SH |
| 40 | JANUS LIVING INC | JAN | 471024109 | $1.2M | 0.64% | 50,000 | SH |
| 41 | WHITEFIBER INC | WYFI | G96115103 | $952.8K | 0.52% | 80,000 | SH |
| 42 | VIR BIOTECHNOLOGY INC | VIR | 92764N102 | $896.0K | 0.49% | 100,000 | SH |
| 43 | GOSSAMER BIO INC | — | 38341PAA0 | $845.3K | 0.46% | 2,167,000 | SH |
| 44 | ENERGY VAULT HOLDINGS INC | NRGV | 29280W109 | $582.3K | 0.32% | 176,453 | SH |
| 45 | SATELLOS BIOSCIENCE INC | MSLE | 80401L803 | $67.6K | 0.04% | 12,000 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-13 | $183.8M | 45 | 0001172661-26-001803 |
| 2025-12-31 | 2026-02-12 | $177.5M | 40 | 0001172661-26-000650 |
| 2025-09-30 | 2025-11-12 | $200.5M | 61 | 0001172661-25-004710 |