Who Owns MOUNTAIN LAKE ACQUISITION CO (MLACR)? -- Institutional Holders (2026-03-31)
44 institutions reported holding $5.4M of MOUNTAIN LAKE ACQUISITION CO (MLACR) in SEC 13F filings for 2026-03-31. Largest institutional holders: Harraden Circle Investments, LLC ($864,647), Magnetar Financial LLC ($494,000), Polar Asset Management Partners Inc. ($488,800), AQR Arbitrage LLC ($388,931), Alberta Investment Management Corp ($254,800). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Harraden Circle Investments, LLC | $864,647 | 3.3M | Trimmed |
| 2 | Magnetar Financial LLC | $494,000 | 1.9M | Hold |
| 3 | Polar Asset Management Partners Inc. | $488,800 | 1.9M | Hold |
| 4 | AQR Arbitrage LLC | $388,931 | 1.5M | Trimmed |
| 5 | Alberta Investment Management Corp | $254,800 | 980,000 | Hold |
| 6 | Linden Advisors LP | $246,867 | 1.2M | Hold |
| 7 | METEORA CAPITAL, LLC | $214,956 | 826,755 | Trimmed |
| 8 | TORONTO DOMINION BANK | $193,368 | 743,723 | Trimmed |
| 9 | Verition Fund Management LLC | $189,152 | 727,509 | Trimmed |
| 10 | D. E. Shaw & Co., Inc. | $188,500 | 725,000 | Hold |
| 11 | Westchester Capital Management, LLC | $182,003 | 700,013 | Hold |
| 12 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $130,000 | 500,000 | Hold |
| 13 | TENOR CAPITAL MANAGEMENT Co., L.P. | $130,000 | 500,000 | Hold |
| 14 | LMR Partners LLP | $130,000 | 500,000 | Hold |
| 15 | Shaolin Capital Management LLC | $124,670 | 479,500 | Hold |
| 16 | MILLENNIUM MANAGEMENT LLC | $117,000 | 450,000 | Hold |
| 17 | BNP PARIBAS FINANCIAL MARKETS | $115,984 | 446,094 | Hold |
| 18 | CSS LLC/IL | $91,147 | 35,056 | Hold |
| 19 | WOLVERINE ASSET MANAGEMENT LLC | $86,724 | 333,554 | Trimmed |
| 20 | DLD Asset Management, LP | $84,500 | 325,000 | Hold |
| 21 | Periscope Capital Inc. | $83,508 | 321,184 | Trimmed |
| 22 | WHITEBOX ADVISORS LLC | $78,000 | 300,000 | Hold |
| 23 | Hudson Bay Capital Management LP | $77,926 | 299,715 | Trimmed |
| 24 | Saba Capital Management, L.P. | $73,521 | 350,017 | Hold |
| 25 | Clear Street Group Inc. | $55,271 | 212,579 | Added |
Source: SEC Form 13F filings · as of 2026-03-31