Mountain Lake Acquisition Corp. II
MLAA- 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; 59 institutions reported holding it in 13F filings for Q2 2026, worth $323.8M 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
- 59
- +28 vs. Q1 2026
- Shares held
- 32.6M
- +15.7M (+92.9%) vs. Q1 2026
- Total value
- $323.8M
- +$157.5M (+94.6%) vs. Q1 2026
- New holders
- 32
- 6 more added
- Sold out
- 4
- 10 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MLAA 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 | 59 | $323.8M |
| Q1 2026 | 31 | $166.4M |
| 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 |
|---|---|---|---|---|---|
| Morgan Stanley | 23 | $228 | 0.00% | +6+35.3% | Added |
| JPMorgan Chase & Co | 1,219 | $12.1K | 0.00% | +1,219 | New |
| SRS Capital Advisors, Inc. | 1,500 | $14.9K | 0.00% | +1,500 | New |
| TrueMark Investments, LLC | 11,031 | $109.5K | 0.01% | +11,031 | New |
| Meteora Capital, LLC | 12,532 | $124.4K | 0.01% | +12,532 | New |
| Citadel Advisors LLC | 16,059 | $159.5K | 0.00% | +16,059 | New |
| PenderFund Capital Management Ltd. | 23,400 | $232.4K | 0.03% | +18,400+368.0% | Added |
| Clear Street Group Inc. | 25,208 | $250.3K | 0.00% | −111,146−81.5% | Reduced |
| Deltec Asset Management LLC | 30,000 | $297.9K | 0.04% | −20,000−40.0% | Reduced |
| Cable Car Capital LLC | 30,000 | $297.9K | 0.01% | +30,000 | New |
| Virtu Financial LLC | 36,389 | $361.0K | 0.01% | −43,481−54.4% | Reduced |
| Centiva Capital, LP | 41,777 | $414.8K | 0.01% | +41,777 | New |
| Hudson Bay Capital Management LP | 50,000 | $496.5K | 0.00% | −50,000−50.0% | Reduced |
| Quarry LP | 75,233 | $747.1K | 0.12% | +75,233 | New |
| DLD Asset Management, LP | 100,000 | $993.0K | 0.08% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 100,000 | $993.0K | 0.20% | +100,000 | New |
| CSS LLC | 104,501 | $1.04M | 0.05% | −85,735−45.1% | Reduced |
| Readystate Asset Management LP | 125,000 | $1.24M | 0.05% | +125,000 | New |
| Mizuho Securities USA LLC | 125,405 | $1.24M | 0.02% | +125,405 | New |
| Rangeley Capital, LLC | 127,791 | $1.27M | 1.24% | +127,791 | New |
| RLH Capital LLC | 150,000 | $1.49M | 0.71% | +150,000 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 200,000 | $1.99M | 0.01% | +200,000 | New |
| Schonfeld Strategic Advisors LLC | 235,000 | $2.33M | 0.01% | +224,877+2,221.4% | Added |
| Mint Tower Capital Management B.V. | 250,000 | $2.48M | 0.29% | 00.0% | Unchanged |
| Lineage Point Capital LP | 294,214 | $2.92M | 0.60% | +294,214 | New |
| Wealthspring Capital LLC | 336,480 | $3.34M | 0.75% | +336,480 | New |
| Periscope Capital Inc. | 350,000 | $3.48M | 0.55% | −150,000−30.0% | Reduced |
| Ghisallo Capital Management LLC | 375,000 | $3.72M | 0.07% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 392,778 | $3.90M | 0.05% | +392,778 | New |
| Whitebox Advisors LLC | 400,000 | $3.97M | 0.06% | 00.0% | Unchanged |
| Sculptor Capital LP | 427,532 | $4.25M | 0.04% | +427,532 | New |
| Shaolin Capital Management LLC | 428,537 | $4.26M | 0.24% | −308,763−41.9% | Reduced |
| Berkley W R Corp | 447,794 | $4.45M | 0.22% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 458,116 | $4.55M | 0.35% | +54,134+13.4% | Added |
| MMCAP International Inc. SPC | 500,000 | $4.96M | 0.42% | +500,000 | New |
| Moore Capital Management, LP | 500,000 | $4.96M | 0.11% | +500,000 | New |
| Picton Mahoney Asset Management | 500,000 | $4.97M | 0.05% | +500,000 | New |
| Rivernorth Capital Management, LLC | 499,531 | $4.98M | 0.24% | +499,531 | New |
| Two Sigma Investments, LP | 567,675 | $5.64M | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 587,590 | $5.83M | 0.04% | −312,410−34.7% | Reduced |
| Vivaldi Asset Management, LLC | 600,000 | $5.96M | 0.35% | +600,000 | New |
| BNP Paribas Arbitrage, SA | 742,958 | $7.38M | 0.00% | +742,958 | New |
| Millennium Management LLC | 765,000 | $7.60M | 0.01% | +765,000 | New |
| Polar Asset Management Partners Inc. | 800,000 | $7.94M | 0.15% | −200,000−20.0% | Reduced |
| Westchester Capital Management, LLC | 853,517 | $8.48M | 0.43% | +853,517 | New |
| Glazer Capital, LLC | 950,000 | $9.43M | 0.23% | −21,419−2.2% | Reduced |
| Sona Asset Management (US) LLC | 1,000,000 | $9.93M | 0.37% | 00.0% | Unchanged |
| Fort Baker Capital Management LP | 1,000,000 | $9.93M | 0.79% | +1,000,000 | New |
| Tenor Capital Management Co., L.P. | 1,059,588 | $10.5M | 0.15% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,080,000 | $10.7M | 0.01% | +754,999+232.3% | Added |
| LMR Partners LLP | 1,250,000 | $12.4M | 0.09% | +1,250,000 | New |
| Kryger Capital LLC | 1,270,887 | $12.6M | 0.72% | +1,270,887 | New |
| Highbridge Capital Management LLC | 1,309,459 | $13.0M | 0.44% | +1,032,456+372.7% | Added |
| CNH Partners LLC | 1,449,082 | $14.4M | 0.20% | +1,449,082 | New |
| Linden Advisors LP | 1,500,000 | $14.9M | 0.08% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 1,750,000 | $17.4M | 0.10% | +1,750,000 | New |
| Magnetar Financial LLC | 2,000,000 | $19.9M | 0.18% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 2,100,000 | $20.9M | 0.03% | 00.0% | Unchanged |
| Aristeia Capital LLC | 2,189,405 | $21.7M | 0.34% | +2,189,405 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −1,250,000−100.0% | Sold out |
| Galaxy Digital Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −14,800−100.0% | Sold out |