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 |
|---|---|---|---|---|---|
| Aristeia Capital LLC | 2,189,405 | $21.7M | 0.34% | +2,189,405 | New |
| Adage Capital Partners GP, L.L.C. | 2,100,000 | $20.9M | 0.03% | 00.0% | Unchanged |
| Magnetar Financial LLC | 2,000,000 | $19.9M | 0.18% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 1,750,000 | $17.4M | 0.10% | +1,750,000 | New |
| Linden Advisors LP | 1,500,000 | $14.9M | 0.08% | 00.0% | Unchanged |
| CNH Partners LLC | 1,449,082 | $14.4M | 0.20% | +1,449,082 | New |
| Highbridge Capital Management LLC | 1,309,459 | $13.0M | 0.44% | +1,032,456+372.7% | Added |
| Kryger Capital LLC | 1,270,887 | $12.6M | 0.72% | +1,270,887 | New |
| LMR Partners LLP | 1,250,000 | $12.4M | 0.09% | +1,250,000 | New |
| D. E. Shaw & Co., Inc. | 1,080,000 | $10.7M | 0.01% | +754,999+232.3% | Added |
| Tenor Capital Management Co., L.P. | 1,059,588 | $10.5M | 0.15% | 00.0% | Unchanged |
| 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 |
| Glazer Capital, LLC | 950,000 | $9.43M | 0.23% | −21,419−2.2% | Reduced |
| Westchester Capital Management, LLC | 853,517 | $8.48M | 0.43% | +853,517 | New |
| Polar Asset Management Partners Inc. | 800,000 | $7.94M | 0.15% | −200,000−20.0% | Reduced |
| Millennium Management LLC | 765,000 | $7.60M | 0.01% | +765,000 | New |
| BNP Paribas Arbitrage, SA | 742,958 | $7.38M | 0.00% | +742,958 | New |
| Vivaldi Asset Management, LLC | 600,000 | $5.96M | 0.35% | +600,000 | New |
| Verition Fund Management LLC | 587,590 | $5.83M | 0.04% | −312,410−34.7% | Reduced |
| Two Sigma Investments, LP | 567,675 | $5.64M | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 499,531 | $4.98M | 0.24% | +499,531 | New |
| Picton Mahoney Asset Management | 500,000 | $4.97M | 0.05% | +500,000 | New |
| 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 |
| Radcliffe Capital Management, L.P. | 458,116 | $4.55M | 0.35% | +54,134+13.4% | Added |
| Berkley W R Corp | 447,794 | $4.45M | 0.22% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 428,537 | $4.26M | 0.24% | −308,763−41.9% | Reduced |
| Sculptor Capital LP | 427,532 | $4.25M | 0.04% | +427,532 | New |
| Whitebox Advisors LLC | 400,000 | $3.97M | 0.06% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 392,778 | $3.90M | 0.05% | +392,778 | New |
| Ghisallo Capital Management LLC | 375,000 | $3.72M | 0.07% | 00.0% | Unchanged |
| Periscope Capital Inc. | 350,000 | $3.48M | 0.55% | −150,000−30.0% | Reduced |
| Wealthspring Capital LLC | 336,480 | $3.34M | 0.75% | +336,480 | New |
| Lineage Point Capital LP | 294,214 | $2.92M | 0.60% | +294,214 | New |
| Mint Tower Capital Management B.V. | 250,000 | $2.48M | 0.29% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 235,000 | $2.33M | 0.01% | +224,877+2,221.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 200,000 | $1.99M | 0.01% | +200,000 | New |
| RLH Capital LLC | 150,000 | $1.49M | 0.71% | +150,000 | New |
| Rangeley Capital, LLC | 127,791 | $1.27M | 1.18% | +127,791 | New |
| Mizuho Securities USA LLC | 125,405 | $1.24M | 0.01% | +125,405 | New |
| Readystate Asset Management LP | 125,000 | $1.24M | 0.05% | +125,000 | New |
| CSS LLC | 104,501 | $1.04M | 0.05% | −85,735−45.1% | Reduced |
| 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 |
| Quarry LP | 75,233 | $747.1K | 0.12% | +75,233 | New |
| Hudson Bay Capital Management LP | 50,000 | $496.5K | 0.00% | −50,000−50.0% | Reduced |
| Centiva Capital, LP | 41,777 | $414.8K | 0.01% | +41,777 | New |
| Virtu Financial LLC | 36,389 | $361.0K | 0.01% | −43,481−54.4% | 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 |
| Clear Street Group Inc. | 25,208 | $250.3K | 0.00% | −111,146−81.5% | Reduced |
| PenderFund Capital Management Ltd. | 23,400 | $232.4K | 0.03% | +18,400+368.0% | Added |
| Citadel Advisors LLC | 16,059 | $159.5K | 0.00% | +16,059 | New |
| Meteora Capital, LLC | 12,532 | $124.4K | 0.01% | +12,532 | New |
| TrueMark Investments, LLC | 11,031 | $109.5K | 0.01% | +11,031 | New |
| SRS Capital Advisors, Inc. | 1,500 | $14.9K | 0.00% | +1,500 | New |
| JPMorgan Chase & Co | 1,219 | $12.1K | 0.00% | +1,219 | New |
| Morgan Stanley | 23 | $228 | 0.00% | +6+35.3% | Added |
| 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 |