MOUNTAIN LAKE ACQUISITION CO (MLACR)
Institutional ownership reported to the SEC as of Q1 2026, across 5 quarters.
37
Reporting holders
$5.3M
Reported value
0.0%
Held as options
-2
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC | $864.6K | 3,325,566 | 0.17% | 5q | HELD |
| Magnetar Financial LLC | $494.0K | 1,900,000 | 0.01% | 4q | HELD |
| Polar Asset Management Partners Inc. | $488.8K | 1,880,000 | 0.01% | 5q | HELD |
| AQR Arbitrage LLC | $388.9K | 1,495,890 | 0.01% | 5q | -2.5%-$9.9K |
| Alberta Investment Management Corp | $254.8K | 980,000 | 0.00% | 4q | HELD |
| Linden Advisors LP | $246.9K | 1,175,000 | 0.00% | 5q | HELD |
| METEORA CAPITAL, LLC | $215.0K | 826,755 | 0.02% | 2q | -18.5%-$48.8K |
| TORONTO DOMINION BANK | $193.4K | 743,723 | 0.00% | 4q | -1.7%-$3.4K |
| Verition Fund Management LLC | $189.2K | 727,509 | 0.00% | 5q | HELD |
| D. E. Shaw & Co., Inc. | $188.5K | 725,000 | 0.00% | 5q | HELD |
| Westchester Capital Management, LLC | $182.0K | 700,013 | 0.01% | 4q | HELD |
| TENOR CAPITAL MANAGEMENT Co., L.P. | $130.0K | 500,000 | 0.00% | 5q | HELD |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | $130.0K | 500,000 | 0.01% | 3q | HELD |
| LMR Partners LLP | $130.0K | 500,000 | 0.00% | 5q | HELD |
| Shaolin Capital Management LLC | $124.7K | 479,500 | 0.00% | 5q | HELD |
| MILLENNIUM MANAGEMENT LLC | $117.0K | 450,000 | 0.00% | 4q | HELD |
| BNP PARIBAS FINANCIAL MARKETS | $116.0K | 446,094 | 0.00% | 2q | HELD |
| CSS LLC/IL | $91.1K | 35,056 | 0.00% | 5q | HELD |
| WOLVERINE ASSET MANAGEMENT LLC | $86.7K | 333,554 | 0.00% | 4q | -8.5%-$8.0K |
| DLD Asset Management, LP | $84.5K | 325,000 | 0.01% | 2q | HELD |
| Periscope Capital Inc. | $83.5K | 321,184 | 0.01% | 5q | -1.2% |
| WHITEBOX ADVISORS LLC | $78.0K | 300,000 | 0.00% | 5q | HELD |
| Hudson Bay Capital Management LP | $77.9K | 299,715 | 0.00% | 5q | -14.4%-$13.1K |
| Saba Capital Management, L.P. | $73.5K | 350,017 | 0.00% | 2q | HELD |
| Clear Street Group Inc. | $55.3K | 212,579 | 0.00% | 3q | HELD |
| MOORE CAPITAL MANAGEMENT, LP | $52.0K | 200,000 | 0.00% | 4q | HELD |
| Wealthspring Capital LLC | $39.1K | 150,370 | 0.01% | 4q | HELD |
| K2 PRINCIPAL FUND, L.P. | $29.5K | 113,489 | 0.00% | 5q | -23.1%-$8.8K |
| PICTON MAHONEY ASSET MANAGEMENT | $26.0K | 100,000 | 0.00% | 5q | HELD |
| RLH Capital LLC | $26.0K | 100,000 | 0.01% | new | FIRST |
| Schonfeld Strategic Advisors LLC | $23.2K | 89,254 | 0.00% | 5q | -23.0%-$6.9K |
| Decagon Asset Management LLP | $18.1K | 69,665 | 0.00% | 5q | HELD |
| BOOTHBAY FUND MANAGEMENT, LLC | $17.6K | 67,840 | 0.00% | 5q | -6.7%-$1.3K |
| Parallax Volatility Advisers, L.P. | $17.0K | 77,140 | 0.00% | 4q | -19.1%-$4.0K |
| Quarry LP | $13.0K | 50,000 | 0.00% | 3q | HELD |
| HGC Investment Management Inc. | $10.4K | 40,000 | 0.00% | 5q | HELD |
| READYSTATE ASSET MANAGEMENT LP | $6.4K | 24,779 | 0.00% | 2q | HELD |
| TWO SIGMA SECURITIES, LLC | $2.6K | 10,183 | 0.00% | new | NEW |
| GLAZER CAPITAL, LLC | $37 | 143,986 | 0.00% | 5q | HELD |
| Mint Tower Capital Management B.V. | $26 | 100,000 | 0.00% | 5q | HELD |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q1 2026 | 37 | $5.3M | 20,589,819 | 1 | 0 | 10 | 0.0% |
| Q4 2025 | 39 | $5.1M | 20,947,691 | 7 | 4 | 16 | 0.0% |
| Q3 2025 | 37 | $3.6M | 21,053,880 | 4 | 1 | 6 | 0.0% |
| Q2 2025 | 35 | $3.5M | 21,076,964 | 10 | 6 | 2 | 0.0% |
| Q1 2025 | 27 | $3.6M | 14,790,898 | 27 | 0 | 0 | 1.7% |