Institutional Ownership
Mountain Lake Acquisition Co
CUSIP G6301B101SHS CL AQ1 2026
13D / 13G Filings
12
Schedule 13D/13G on record
Beneficial Filers
6
Distinct reporting persons
Largest Stake
8.4%
Max % of class reported
Institutional Holders
47
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
12 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | Tenor Capital Management Company, L.P. | 13G/A | 8.4% | 2.00M | SEC |
| 2 | Feb 13, 2026 | Bank Of Montreal | 13G/A | 0.6% | 137.1K | SEC |
| 3 | Dec 23, 2025 | Wolverine Asset Management LLC | 13G/A | 4.6% | 1.09M | SEC |
| 4 | Oct 8, 2025 | Tenor Capital Management Company, L.P. | 13G | 5.3% | 1.25M | SEC |
| 5 | Aug 12, 2025 | Barclays PLC | 13G/A | 4.6% | 1.09M | SEC |
| 6 | Aug 1, 2025 | Bank Of Montreal | 13G/A | 6.5% | 1.55M | SEC |
| 7 | Jul 11, 2025 | Wolverine Asset Management LLC | 13G | 6.5% | 1.55M | SEC |
| 8 | May 14, 2025 | Aqr Capital Management, LLC | 13G/A | 6.4% | 1.53M | SEC |
| 9 | May 13, 2025 | Barclays PLC | 13G | 7.7% | 1.84M | SEC |
| 10 | May 8, 2025 | Bank Of Montreal | 13G/A | 1.1% | 250.0K | SEC |
2 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Mountain Lake Acquisition Co.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Tenor Capital Management Co., L.P. | 2.00M | $21.06M |
| 2 | Magnetar Financial LLC | 1.90M | $20.03M |
| 3 | Berkley W R Corp | 1.88M | $19.77M |
| 4 | Mizuho Securities USA LLC | 1.71M | $17.96M |
| 5 | Polar Asset Management Partners Inc. | 1.50M | $15.77M |
| 6 | Aqr Arbitrage LLC | 1.41M | $14.80M |
| 7 | First Trust Capital Management L.P. | 980.4K | $10.32M |
| 8 | Alberta Investment Management Corp | 980.0K | $10.32M |
| 9 | Wolverine Asset Management LLC | 971.8K | $10.23M |
| 10 | Westchester Capital Management, LLC | 887.7K | $9.35M |