Mountain Lake Acquisition Corp. II
MLAAW- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002094265
No open-market purchases or sales by Mountain Lake Acquisition Corp. II insiders were filed in the last 90 days; 50 institutions reported holding it in 13F filings for Q2 2026, worth $4.77M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Mountain Lake Acquisition Corp. II as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 50
- +24 vs. Q1 2026
- Shares held
- 13.8M
- +5.58M (+68.0%) vs. Q1 2026
- Total value
- $4.77M
- +$2.22M (+86.8%) vs. Q1 2026
- New holders
- 30
- 2 more added
- Sold out
- 6
- 9 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MLAAW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 50 | $4.77M |
| Q1 2026 | 26 | $2.55M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Mountain Lake Acquisition Corp. II; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Boothbay Fund Management, LLC | 90,550 | $899.2K | 0.02% | +65,550+262.2% | Added |
| Aristeia Capital LLC | 1,094,702 | $311.3K | 0.00% | +1,094,702 | New |
| Alberta Investment Management Corp | 875,000 | $236.3K | 0.00% | +875,000 | New |
| Magnetar Financial LLC | 775,000 | $220.4K | 0.00% | −225,000−22.5% | Reduced |
| Linden Advisors LP | 749,999 | $213.3K | 0.00% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 700,000 | $189.1K | 0.00% | −350,000−33.3% | Reduced |
| CNH Partners LLC | 724,541 | $188.4K | 0.00% | +724,541 | New |
| Lineage Point Capital LP | 648,472 | $175.2K | 0.04% | +648,472 | New |
| LMR Partners LLP | 625,000 | $168.8K | 0.00% | +625,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 625,000 | $168.8K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 556,584 | $150.3K | 0.00% | −205,352−27.0% | Reduced |
| Tenor Capital Management Co., L.P. | 529,794 | $143.1K | 0.00% | 00.0% | Unchanged |
| Highbridge Capital Management LLC | – | $135.7K | 0.00% | – | New |
| Polar Asset Management Partners Inc. | 500,000 | $135.1K | 0.00% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 500,000 | $135.1K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 371,479 | $100.3K | 0.00% | +371,479 | New |
| Glazer Capital, LLC | 350,000 | $95.0K | 0.00% | −135,608−27.9% | Reduced |
| Westchester Capital Management, LLC | 307,261 | $83.0K | 0.00% | +307,261 | New |
| Radcliffe Capital Management, L.P. | 251,890 | $71.6K | 0.01% | −1000.0% | Reduced |
| Rivernorth Capital Management, LLC | 250,000 | $70.0K | 0.00% | +250,000 | New |
| MMCAP International Inc. SPC | 250,000 | $67.5K | 0.01% | +250,000 | New |
| Moore Capital Management, LP | 250,000 | $67.5K | 0.00% | +250,000 | New |
| Picton Mahoney Asset Management | 250,000 | $65.0K | 0.00% | +250,000 | New |
| Shaolin Capital Management LLC | 218,649 | $59.1K | 0.00% | −150,000−40.7% | Reduced |
| Periscope Capital Inc. | 212,500 | $57.4K | 0.01% | −37,500−15.0% | Reduced |
| Whitebox Advisors LLC | 200,000 | $54.0K | 0.00% | 00.0% | Unchanged |
| Wealthspring Capital LLC | 168,240 | $45.4K | 0.01% | +168,240 | New |
| D. E. Shaw & Co., Inc. | 162,500 | $42.3K | 0.00% | 00.0% | Unchanged |
| DLD Asset Management, LP | 150,000 | $40.5K | 0.00% | +100,000+200.0% | Added |
| Mint Tower Capital Management B.V. | 125,000 | $34.0K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 119,104 | $32.2K | 0.00% | +119,104 | New |
| Wolverine Asset Management LLC | 115,302 | $31.1K | 0.00% | +115,302 | New |
| Readystate Asset Management LP | 100,736 | $27.2K | 0.00% | +100,736 | New |
| Centiva Capital, LP | 95,000 | $25.7K | 0.00% | +95,000 | New |
| Meteora Capital, LLC | 95,000 | $25.7K | 0.00% | +95,000 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 90,300 | $24.4K | 0.00% | +90,300 | New |
| HGC Investment Management Inc. | 88,352 | $23.9K | 0.00% | +88,352 | New |
| CSS LLC | 78,118 | $21.1K | 0.00% | −17,000−17.9% | Reduced |
| Walleye Capital LLC | 75,000 | $20.3K | 0.00% | +75,000 | New |
| RLH Capital LLC | 75,000 | $20.3K | 0.01% | +75,000 | New |
| Schonfeld Strategic Advisors LLC | 75,000 | $20.3K | 0.00% | +75,000 | New |
| Sculptor Capital LP | 52,179 | $14.1K | 0.00% | +52,179 | New |
| Galaxy Digital Inc. | 50,000 | $13.5K | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 44,387 | $12.0K | 0.00% | −39,595−47.1% | Reduced |
| Quarry LP | 37,500 | $10.1K | 0.00% | +37,500 | New |
| Parallax Volatility Advisers, L.P. | 33,790 | $9.61K | 0.00% | +33,790 | New |
| Fort Baker Capital Management LP | 23,500 | $6.35K | 0.00% | +23,500 | New |
| Cable Car Capital LLC | 15,000 | $4.05K | 0.00% | +15,000 | New |
| UBS Group AG | 9,665 | $2.61K | 0.00% | +9,665 | New |
| SRS Capital Advisors, Inc. | 750 | $203 | 0.00% | +750 | New |
| Berkley W R Corp | 0 | $0 | 0.00% | −223,897−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −43,150−100.0% | Sold out |
| Deltec Asset Management LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| PenderFund Capital Management Ltd. | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −3,100−100.0% | Sold out |