ML
Mountain Lake Investment Management LLC
13F filer · CIK 0001308555Reported Aug 14, 2026
Net buyer this quarter
13F portfolio value$161MU.S. long equity reported on 13F
Positions304 new · 2 closed
Net flow last quarter+$9.8MBuys minus sells
Top 10 positions weight70.2%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 14, 202630 positions | |||||
| $13.8M | 8.58% | 0.10% | +1.4% | Q2 2013 | |
| $13.2M | 8.24% | 0.14% | +41.3% | Q4 2023 | |
| $12.4M | 7.72% | 0.18% | -0.2% | Q4 2020 | |
| $12.2M | 7.60% | 0.10% | +5.5% | Q1 2026 | |
| $12M | 7.48% | 0.13% | -4.7% | Q2 2025 | |
| $11.2M | 6.96% | 0.02% | +4.6% | Q2 2025 | |
| $10.8M | 6.74% | 0.18% | +3.2% | Q1 2024 | |
| VEVNOMViper Energy, Inc. | $10.7M | 6.66% | Not reported | -1.5% | Q3 2025 |
| $8.29M | 5.16% | 0.65% | +11.5% | Q4 2024 | |
| $8.13M | 5.06% | 0.09% | +1.9% | Q2 2017 | |
| $5.68M | 3.54% | 0.09% | +110.1% | Q4 2022 | |
| $5.56M | 3.46% | 0.09% | -28.3% | Q4 2022 | |
| $5.53M | 3.45% | 0.15% | +292.4% | Q1 2014 | |
| $3.92M | 2.44% | 0.61% | New | Q2 2026 | |
| $3.87M | 2.41% | 0.12% | Not reported | Q3 2025 | |
| $3.52M | 2.19% | 0.03% | +1.0% | Q2 2017 | |
| $3.28M | 2.04% | 0.06% | Not reported | Q1 2024 | |
| $2.32M | 1.44% | 0.00% | New | Q2 2026 | |
| $1.84M | 1.15% | 0.00% | -3.1% | Q1 2025 | |
| $1.82M | 1.14% | 0.01% | -5.0% | Q1 2016 | |
| $1.74M | 1.08% | 0.13% | +0.2% | Q4 2025 | |
| $1.38M | 0.86% | 0.06% | -29.5% | Q1 2023 | |
| $1.34M | 0.83% | 0.23% | New | Q2 2026 | |
| $1.27M | 0.79% | 0.01% | +0.7% | Q2 2013 | |
| $1.18M | 0.74% | 0.01% | -25.7% | Q4 2025 | |
| $1.16M | 0.72% | 0.07% | +359.0% | Q1 2026 | |
| $899K | 0.56% | 0.07% | New | Q2 2026 | |
| $268K | 0.17% | 0.00% | Not reported | Q1 2026 | |
| $252K | 0.16% | 0.00% | Not reported | Q1 2026 | |
| $243K | 0.15% | 0.00% | Not reported | Q1 2026 | |
| Q1 2026Reported May 15, 202628 positions | |||||
| $16M | 10.31% | 0.09% | -0.2% | Q2 2013 | |
| $14.5M | 9.37% | 0.18% | -10.4% | Q4 2020 | |
| $13.1M | 8.45% | 0.14% | +1.8% | Q2 2025 | |
| VEVNOMViper Energy, Inc. | $12M | 7.77% | Not reported | +1.8% | Q3 2025 |
| $11M | 7.12% | 0.17% | +20.0% | Q1 2024 | |
| $10.2M | 6.59% | 0.13% | -10.2% | Q4 2022 | |
| $9.69M | 6.26% | 0.09% | Not reported | Q2 2017 | |
| $9.28M | 5.99% | 0.58% | +17.4% | Q4 2024 | |
| $9M | 5.81% | 0.02% | +9.6% | Q2 2025 | |
| $8.62M | 5.57% | 0.10% | +24.7% | Q4 2023 | |
| $6.75M | 4.36% | 0.10% | New | Q1 2026 | |
| $6.36M | 4.11% | Not reported | New | Q1 2026 | |
| $4.26M | 2.75% | 0.12% | Not reported | Q3 2025 | |
| $4.21M | 2.72% | 0.03% | Not reported | Q2 2017 | |
| $3.13M | 2.02% | 0.04% | +24.1% | Q4 2022 | |
| $2.36M | 1.52% | 0.08% | -59.4% | Q1 2023 | |
| $2.32M | 1.50% | 0.08% | +65.6% | Q1 2024 | |
| $1.93M | 1.24% | 0.01% | Not reported | Q1 2016 | |
| $1.92M | 1.24% | 0.00% | Not reported | Q1 2025 | |
| $1.63M | 1.05% | 0.01% | -36.5% | Q2 2013 | |
| $1.39M | 0.89% | 0.04% | Not reported | Q1 2014 | |
| $1.3M | 0.84% | 0.13% | +132.7% | Q4 2025 | |
| $1.1M | 0.71% | 0.01% | -16.3% | Q4 2025 | |
| $811K | 0.52% | 0.01% | -73.5% | Q4 2022 | |
| $355K | 0.23% | 0.00% | New | Q1 2026 | |
| $279K | 0.18% | 0.00% | New | Q1 2026 | |
| $228K | 0.15% | 0.02% | New | Q1 2026 | |
| $216K | 0.14% | 0.00% | New | Q1 2026 | |
| Q4 2025Reported Feb 17, 202623 positions | |||||
| $14.9M | 11.32% | 0.20% | -21.0% | Q4 2020 | |
| $14.9M | 11.32% | 0.09% | -2.4% | Q2 2013 | |
| $10.8M | 8.20% | 0.69% | -7.5% | Q1 2019 | |
| $10.7M | 8.17% | 0.13% | +10.0% | Q2 2025 | |
| VEVNOMViper Energy, Inc. | $9.72M | 7.38% | Not reported | -2.4% | Q3 2025 |
| $9.71M | 7.38% | 0.13% | -3.4% | Q1 2024 | |
| $8.64M | 6.56% | 0.08% | +9.6% | Q4 2023 | |
| $8.62M | 6.55% | 0.02% | -2.7% | Q2 2025 | |
| $6.82M | 5.18% | 0.50% | +43.2% | Q4 2024 | |
| $6.54M | 4.97% | 0.15% | +2.0% | Q4 2022 | |
| $4.41M | 3.35% | 0.20% | -12.4% | Q1 2023 | |
| $4.34M | 3.30% | 0.01% | -17.3% | Q2 2020 | |
| $3.42M | 2.60% | 0.03% | -2.4% | Q2 2017 | |
| $3.39M | 2.58% | 0.12% | -13.3% | Q3 2025 | |
| $2.49M | 1.89% | 0.02% | +5.5% | Q2 2013 | |
| $2.42M | 1.84% | 0.04% | -2.4% | Q4 2022 | |
| $2.12M | 1.61% | 0.01% | -15.3% | Q2 2024 | |
| $1.64M | 1.24% | 0.00% | -9.6% | Q1 2025 | |
| $1.57M | 1.19% | 0.05% | -2.5% | Q4 2022 | |
| $1.55M | 1.18% | 0.01% | -2.3% | Q1 2016 | |
| $1.43M | 1.09% | 0.05% | +8.0% | Q1 2024 | |
| $971K | 0.74% | 0.01% | New | Q4 2025 | |
| $469K | 0.36% | 0.06% | New | Q4 2025 | |
| Q3 2025Reported Nov 14, 202526 positions | |||||
| $16.9M | 12.59% | 0.27% | -11.0% | Q4 2020 | |
| $13.7M | 10.19% | 0.11% | -5.8% | Q2 2013 | |
| $10.7M | 7.93% | 0.13% | -7.2% | Q1 2024 | |
| $10.4M | 7.76% | 0.02% | -16.7% | Q2 2025 | |
| VEVNOMViper Energy, Inc. | $9.85M | 7.34% | Not reported | New | Q3 2025 |
| $9.28M | 6.91% | 0.07% | -5.7% | Q4 2023 | |
| $8.47M | 6.31% | 0.12% | +927.7% | Q2 2025 | |
| $8.31M | 6.19% | 0.75% | -7.5% | Q1 2019 | |
| $6.42M | 4.78% | 0.14% | +9.5% | Q4 2022 | |
| $5.6M | 4.17% | 0.01% | +1.9% | Q2 2020 | |
| $4.79M | 3.57% | 0.35% | +21.5% | Q4 2024 | |
| $4.39M | 3.27% | 0.23% | -39.6% | Q1 2023 | |
| $3.41M | 2.54% | 0.03% | +25.9% | Q2 2017 | |
| $3.01M | 2.24% | 0.14% | New | Q3 2025 | |
| $2.98M | 2.22% | 0.02% | New | Q3 2025 | |
| $2.18M | 1.62% | 0.04% | -4.4% | Q4 2022 | |
| $1.92M | 1.43% | 0.10% | -3.7% | Q2 2024 | |
| $1.88M | 1.40% | 0.00% | -5.1% | Q1 2025 | |
| $1.57M | 1.17% | 0.02% | +57.4% | Q2 2013 | |
| $1.56M | 1.16% | 0.05% | -5.8% | Q4 2022 | |
| $1.51M | 1.12% | 0.01% | Not reported | Q1 2016 | |
| $1.48M | 1.10% | 0.00% | New | Q3 2025 | |
| $1.47M | 1.10% | 0.03% | +11.9% | Q1 2025 | |
| $1.28M | 0.95% | 0.04% | -31.6% | Q1 2024 | |
| $913K | 0.68% | 0.03% | -42.0% | Q4 2024 | |
| $329K | 0.24% | 0.00% | New | Q3 2025 | |
Premium opens every quarter this fund has filed