# MOUNTAIN LAKE ACQUISITION CO (MLACR)

> Institutional ownership reported to the SEC as of Q1 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MLACR/

- Reporting holders: 39
- Reported value: $5.3M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Harraden Circle Investments, LLC](https://holderbook.com/funds/1910592-harraden-circle-investments-llc/) | $864.6K | 3,325,566 | 0.2% | 5 |
| [Magnetar Financial LLC](https://holderbook.com/funds/1352851-magnetar-financial-llc/) | $494.0K | 1,900,000 | 0.0% | 4 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $488.8K | 1,880,000 | 0.0% | 5 |
| [AQR Arbitrage LLC](https://holderbook.com/funds/1167456-aqr-arbitrage-llc/) | $388.9K | 1,495,890 | 0.0% | 5 |
| [Alberta Investment Management Corp](https://holderbook.com/funds/1463559-alberta-investment-management-corp/) | $254.8K | 980,000 | 0.0% | 4 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $246.9K | 1,175,000 | 0.0% | 5 |
| [METEORA CAPITAL, LLC](https://holderbook.com/funds/1905106-meteora-capital-llc/) | $215.0K | 826,755 | 0.0% | 2 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $193.4K | 743,723 | 0.0% | 4 |
| [Verition Fund Management LLC](https://holderbook.com/funds/1454027-verition-fund-management-llc/) | $189.2K | 727,509 | 0.0% | 5 |
| [D. E. Shaw & Co., Inc.](https://holderbook.com/funds/1009207-d-e-shaw-co-inc/) | $188.5K | 725,000 | 0.0% | 5 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $182.0K | 700,013 | 0.0% | 4 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $130.0K | 500,000 | 0.0% | 5 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1447578-rivernorth-capital-management-llc/) | $130.0K | 500,000 | 0.0% | 3 |
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $130.0K | 500,000 | 0.0% | 5 |
| [Shaolin Capital Management LLC](https://holderbook.com/funds/1766806-shaolin-capital-management-llc/) | $124.7K | 479,500 | 0.0% | 5 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $117.0K | 450,000 | 0.0% | 4 |
| [BNP PARIBAS FINANCIAL MARKETS](https://holderbook.com/funds/1166588-bnp-paribas-financial-markets/) | $116.0K | 446,094 | 0.0% | 2 |
| [CSS LLC/IL](https://holderbook.com/funds/1103646-css-llc-il/) | $91.1K | 35,056 | 0.0% | 5 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://holderbook.com/funds/1279891-wolverine-asset-management-llc/) | $86.7K | 333,554 | 0.0% | 4 |
| [DLD Asset Management, LP](https://holderbook.com/funds/1578299-dld-asset-management-lp/) | $84.5K | 325,000 | 0.0% | 2 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $83.5K | 321,184 | 0.0% | 5 |
| [WHITEBOX ADVISORS LLC](https://holderbook.com/funds/1257391-whitebox-advisors-llc/) | $78.0K | 300,000 | 0.0% | 5 |
| [Hudson Bay Capital Management LP](https://holderbook.com/funds/1393825-hudson-bay-capital-management-lp/) | $77.9K | 299,715 | 0.0% | 5 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $73.5K | 350,017 | 0.0% | 2 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $55.3K | 212,579 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2026 | 39 | $5.3M |
| Q4 2025 | 41 | $5.1M |
| Q3 2025 | 40 | $3.7M |
| Q2 2025 | 38 | $3.6M |
| Q1 2025 | 30 | $3.7M |