CIK: 1308555
MOUNTAIN LAKE INVESTMENT MANAGEMENT LLC
Address: 1523 SLOAT BLVD #320391, SAN FRANCISCO, CA 94132
α Alpha 0.8300↭ Flow 0.0300Pure Active
28holdings (Q4 2025)
$0.13B13F reported value
+2 NEW+10 INCREASED-6 DECREASED-5 EXITED5 UNCHANGED
Total (Q4 25): $131,596,495
Top Holdings by Value
Position Changes (Q4 vs Q3)
Top 15 Positions ($)
Historical AUM (13F Reported)
$0.10B-$0.01B QoQPortfolio Value History (13F Reported)
Quarterly 13F portfolio value. QoQ change reflects value of disclosed long equity positions (new buys, sells, and price movements combined).
| Quarter | Portfolio Value | QoQ Change | QoQ % |
|---|---|---|---|
| Q4 25 | $0.13B | $0.00B | -2.0% |
| Q3 25 | $0.13B | +$0.01B | +11.7% |
| Q2 25 | $0.12B | +$0.01B | +13.1% |
| Q1 25 | $0.11B | +$0.02B | +22.3% |
| Q4 24 | $0.09B | $-0.01B | -8.7% |
| Q3 24 | $0.10B | $0.00B | -0.3% |
| Q2 24 | $0.10B | $0.00B | -1.0% |
| Q1 24 | $0.10B | $0.00B | -1.4% |
| Q4 23 | $0.10B | $-0.03B | -21.5% |
| Q3 23 | $0.12B | $-0.04B | -22.2% |
| Q2 23 | $0.16B | +$0.05B | +46.0% |
| Q1 23 | $0.11B | — | — |
QoQ = (quarter 13F value − prior quarter value) ÷ prior quarter value. Includes position changes, new buys, and exits. Not investment advice.
Information for Viewing 13F Reports:
- Name: The name of the company.
- CUSIP: A unique 9-character alphanumeric code that identifies a specific stock or security in the U.S.
- Class: The investment company's series name. A registered investment company may have multiple series, each with a separate securities portfolio.
- Value: The monetary value of the holdings in USD.
- Shares: The number of shares held.
- Share Price: The price of shares at the time of filing.
- Investment: The type of investment.
- % of Portfolio: The percentage that this position represents in the total portfolio.
| Quarter | Period of Report | Holdings | Value | Type | Filling Date | Filling ID |
|---|---|---|---|---|---|---|
| Q4 25 | 31-Dec-2025 | 23 | $131,596,495 | 13F-HR | 17-Feb-2026 | 0001754960-26-000189 |
| Q3 25 | 30-Sep-2025 | 26 | $134,277,112 | 13F-HR | 14-Nov-2025 | 0001754960-25-000797 |
| Q2 25 | 30-Jun-2025 | 27 | $120,167,580 | 13F-HR | 14-Aug-2025 | 0001754960-25-000610 |
| Q1 25 | 31-Mar-2025 | 30 | $106,244,369 | 13F-HR | 15-May-2025 | 0001754960-25-000306 |
| Q4 24 | 31-Dec-2024 | 29 | $86,844,172 | 13F-HR | 30-Jan-2025 | 0001754960-25-000086 |
| Q3 24 | 30-Sep-2024 | 25 | $95,115,490 | 13F-HR | 14-Nov-2024 | 0001308555-24-000004 |
| Q2 24 | 30-Jun-2024 | 26 | $95,433,726 | 13F-HR | 14-Aug-2024 | 0001308555-24-000003 |
| Q1 24 | 31-Mar-2024 | 21 | $96,440,133 | 13F-HR | 15-May-2024 | 0001308555-24-000002 |
| Q4 23 | 31-Dec-2023 | 17 | $97,766,429 | 13F-HR | 14-Feb-2024 | 0001308555-24-000001 |
| Q3 23 | 30-Sep-2023 | 16 | $124,604,587 | 13F-HR | 14-Nov-2023 | 0001308555-23-000005 |
| Q2 23 | 30-Jun-2023 | 16 | $160,070,084 | 13F-HR | 14-Aug-2023 | 0001308555-23-000004 |
| Q1 23 | 31-Mar-2023 | 23 | $109,602,807 | 13F-HR | 15-May-2023 | 0001308555-23-000002 |
| Q4 22 | 31-Dec-2022 | 31 | $131,626,803 | 13F-HR | 14-Feb-2023 | 0001308555-23-000001 |
| Q3 22 | 30-Sep-2022 | 32 | $117,525,000 | 13F-HR | 14-Nov-2022 | 0001308555-22-000005 |
| Q2 22 | 30-Jun-2022 | 26 | $116,856,000 | 13F-HR | 15-Aug-2022 | 0001308555-22-000004 |
| Q1 22 | 31-Mar-2022 | 27 | $165,745,000 | 13F-HR | 16-May-2022 | 0001308555-22-000003 |
| Q4 21 | 31-Dec-2021 | 24 | $209,273,000 | 13F-HR | 14-Feb-2022 | 0001308555-22-000002 |
| Q3 21 | 30-Sep-2021 | 30 | $238,717,000 | 13F-HR | 15-Nov-2021 | 0001308555-21-000004 |
| Q3 21 | 30-Sep-2021 | 29 | $230,897,000 | 13F-HR/A | 21-Jan-2022 | 0001308555-22-000001 |
| Q2 21 | 30-Jun-2021 | 29 | $205,001,000 | 13F-HR | 16-Aug-2021 | 0001308555-21-000003 |
| Q1 21 | 31-Mar-2021 | 28 | $178,605,000 | 13F-HR | 17-May-2021 | 0001308555-21-000002 |
| Q4 20 | 31-Dec-2020 | 25 | $151,749,000 | 13F-HR | 16-Feb-2021 | 0001308555-21-000001 |
| Q3 20 | 30-Sep-2020 | 26 | $147,402,000 | 13F-HR | 16-Nov-2020 | 0001308555-20-000004 |
| Q2 20 | 30-Jun-2020 | 23 | $139,002,000 | 13F-HR | 14-Aug-2020 | 0001308555-20-000003 |
| Q1 20 | 31-Mar-2020 | 30 | $103,030,000 | 13F-HR | 15-May-2020 | 0001308555-20-000002 |
| Q4 19 | 31-Dec-2019 | 17 | $132,385,000 | 13F-HR | 14-Feb-2020 | 0001308555-20-000001 |
| Q3 19 | 30-Sep-2019 | 19 | $197,715,000 | 13F-HR | 14-Nov-2019 | 0001308555-19-000004 |
| Q2 19 | 30-Jun-2019 | 21 | $212,924,000 | 13F-HR | 14-Aug-2019 | 0001308555-19-000003 |
| Q1 19 | 31-Mar-2019 | 23 | $272,745,000 | 13F-HR | 15-May-2019 | 0001308555-19-000002 |
| Q4 18 | 31-Dec-2018 | 19 | $182,378,000 | 13F-HR | 14-Feb-2019 | 0001308555-19-000001 |
| Q3 18 | 30-Sep-2018 | 20 | $197,836,000 | 13F-HR | 14-Nov-2018 | 0001308555-18-000004 |
| Q2 18 | 30-Jun-2018 | 21 | $197,569,000 | 13F-HR | 14-Aug-2018 | 0001308555-18-000003 |
| Q1 18 | 31-Mar-2018 | 22 | $192,564,000 | 13F-HR | 15-May-2018 | 0001308555-18-000002 |
| Q4 17 | 31-Dec-2017 | 26 | $279,287,000 | 13F-HR | 14-Feb-2018 | 0001308555-18-000001 |
| Q4 16 | 31-Dec-2016 | 38 | $155,069 | 13F-HR | 14-Feb-2017 | 0001308555-17-000002 |
| Q4 16 | 31-Dec-2016 | 38 | $270,113 | 13F-HR | 15-Feb-2017 | 0001308555-17-000004 |
| Q4 16 | 31-Dec-2016 | 34 | $272,962 | 13F-HR | 15-Feb-2017 | 0001308555-17-000005 |
| Q3 16 | 30-Sep-2016 | 34 | $173,937 | 13F-HR | 14-Nov-2016 | 0001308555-16-000013 |
| Q2 16 | 30-Jun-2016 | 33 | $165,869 | 13F-HR | 15-Aug-2016 | 0001308555-16-000011 |
| Q1 16 | 31-Mar-2016 | 29 | $145,635 | 13F-HR | 16-May-2016 | 0001308555-16-000009 |
| Q4 15 | 31-Dec-2015 | 27 | $139,336 | 13F-HR | 16-Feb-2016 | 0001308555-16-000008 |