Monashee Investment Management LLC
Long book
$183.8M
Q1 2026
Positions
45
Top-10 weight
56%
concentration
Last quarter
+18.2%
SPY +14.8%
Turnover
80%
of book per quarter
Strategy in plain words
auto-generated from filingsMonashee Investment Management LLC is a diversified fundamental manager, running a $183.8M US long book across 45 positions.
The portfolio is concentrated: the top 10 names carry 56% of the portfolio. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: TERNS PHARMACEUTICALS INC, NEXTERA ENERGY INC, MEDLINE INC-CL A, NRG ENERGY INC, FORGENT POWER SOLUTIONS-CL A.
Over the last 9 quarters its long book ran on average 1.4pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
-0.7%
Q2 2024
+7.6%
Q3 2024
-0.6%
Q4 2024
-1.4%
Q1 2025
+13.5%
Q2 2025
+23.1%
Q3 2025
-2.3%
Q4 2025
-4.4%
Q1 2026
+18.2%
Sector allocation
Healthcare 42%
Utilities 20%
Other 10%
Industrials 8%
Technology 8%
Financials 6%
Services media 3%
Communications 2%
Long book by quarter
What does Monashee Investment own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| 430 TERNS PHARMACEUTICALS INC | — | 300.0K | $15.8M | 8.6% | +52.0% |
| NEE NEXTERA ENERGY INC | Utilities | 300.0K | $15.2M | 8.3% | New |
| MDLN MEDLINE INC-CL A | Healthcare | 300.0K | $13.3M | 7.3% | Held |
| NRG NRG ENERGY INC | Utilities | 85.0K | $12.4M | 6.8% | New |
| FPS FORGENT POWER SOLUTIONS-CL A | Industrials | 350.0K | $10.2M | 5.6% | New |
| SLDB SOLID BIOSCIENCES INC | Healthcare | 1.4M | $10.2M | 5.6% | +5.2% |
| NKTR NEKTAR THERAPEUTICS | Healthcare | 100.0K | $7.2M | 3.9% | +6.2% |
| CYTK CYTOKINETICS INC | Healthcare | 100.0K | $6.6M | 3.6% | +33.3% |
| PPL PPL CORPORATION | Utilities | 101.3K | $5.2M | 2.9% | New |
| BBIO BRIDGEBIO PHARMA INC | Healthcare | 67.1K | $5.0M | 2.7% | -32.9% |
| ADT ADT INC | Services media | 700.0K | $4.6M | 2.5% | +75.0% |
| ORCL ORACLE CORP | Technology | 100.0K | $4.5M | 2.4% | New |
| EVMN EVOMMUNE INC | Healthcare | 179.3K | $4.1M | 2.2% | -2.1% |
| KKR KKR & CO INC | Financials | 100.0K | $4.0M | 2.2% | New |
| ASTS AST SPACEMOBILE INC | Communications | 45.0K | $3.7M | 2.0% | New |
| SNDK SANDISK CORP | Technology | 5.0K | $3.2M | 1.7% | New |
| MANE VERADERMICS INC | Healthcare | 50.0K | $3.2M | 1.7% | New |
| ZBIO ZENAS BIOPHARMA INC | Healthcare | 150.0K | $2.9M | 1.6% | New |
| KYMR KYMERA THERAPEUTICS INC | Healthcare | 35.1K | $2.9M | 1.6% | -64.9% |
| AMBQ AMBIQ MICRO INC | Technology | 103.8K | $2.6M | 1.4% | +21.9% |
| MMED MINIMED GROUP INC | Healthcare | 175.0K | $2.6M | 1.4% | New |
| FIGR FIGURE TECHNOLOGY SOLUT-CL A | Financials | 76.5K | $2.6M | 1.4% | New |
| SGP SPYGLASS PHARMA INC | Healthcare | 95.0K | $2.5M | 1.3% | New |
| CRSP CRISPR THERAPEUTICS AG | Healthcare | 50.0K | $2.4M | 1.3% | New |
| INGM INGRAM MICRO HOLDING CORP | Consumer discretionary | 100.0K | $2.3M | 1.3% | New |
| GFS GLOBALFOUNDRIES INC | Technology | 50.0K | $2.2M | 1.2% | New |
| ENGN enGene Therapeutics Inc | Healthcare | 320.0K | $2.2M | 1.2% | +8.5% |
| FLOC FLOWCO HOLDINGS INC-CL A | Industrials | 100.0K | $2.1M | 1.1% | New |
| SABS SAB BIOTHERAPEUTICS INC | Healthcare | 500.0K | $1.9M | 1.0% | New |
| ACRS ACLARIS THERAPEUTICS INC | Healthcare | 500.0K | $1.9M | 1.0% | New |
| HNRG HALLADOR ENERGY CO | Utilities | 90.0K | $1.5M | 0.8% | New |
| NVGS NAVIGATOR HOLDINGS LTD | Industrials | 75.0K | $1.4M | 0.8% | New |
| HLXC HELIX ACQUISITION CORP-CL A | Financials | 137.1K | $1.4M | 0.8% | New |
| CMPX COMPASS THERAPEUTICS INC | Healthcare | 258.9K | $1.4M | 0.7% | -74.1% |
| BTGO BITGO HOLDINGS INC-CL A | Financials | 150.0K | $1.2M | 0.7% | New |
| COHR COHERENT CORP | Other | 5.0K | $1.2M | 0.6% | New |
| WYFI WHITEFIBER INC | Financials | 80.0K | $953K | 0.5% | -42.9% |
| VIR VIR BIOTECHNOLOGY INC | Healthcare | 100.0K | $896K | 0.5% | New |
| NRGV ENERGY VAULT HOLDINGS INC | Technology | 176.5K | $582K | 0.3% | New |
| MSLE SATELLOS BIOSCIENCE INC | Healthcare | 12.0K | $68K | 0.0% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 13, 2026 | 45 | $183.8M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 12, 2026 | 40 | $177.5M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 12, 2025 | 61 | $200.5M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 11, 2025 | 57 | $275.9M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 46 | $845.1M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 38 | $729.2M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 110 | $923.5M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 12, 2024 | 75 | $773.4M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 105 | $845.3M | canonical | SEC ↗ |
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