# MOUNTAIN LAKE ACQUISITION CO SHS CL A

MOUNTAIN LAKE ACQUISITION CO SHS CL A is a security (CUSIP G6301B101) tracked across SEC portfolio filings. 45 institutional managers reported $204.0M on Form 13F as of 2026-03-31; 2 registered fund positions totaling $1.9M via N-PORT as of 2026-03-31.

## Summary

- Issuer: MOUNTAIN LAKE ACQUISITION CO
- Class: SHS CL A
- CUSIP: G6301B101
- Asset category: EC
- 13F holders: 45
- 13F value: $204.0M
- 13F period: 2026-03-31
- N-PORT fund positions: 2
- N-PORT value: $1.9M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 45 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://search.stillhousedata.com/firm/153277) | NEW YORK, NY | $21.1M | 2,000,000 |
| Magnetar Financial LLC | Evanston, IL | $20.0M | 1,900,000 |
| BERKLEY W R CORP | Greenwich, CT | $19.8M | 1,877,833 |
| [Polar Asset Management Partners Inc.](https://search.stillhousedata.com/firm/162681) | TORONTO, A6 | $15.8M | 1,497,259 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $14.8M | 1,405,969 |
| [First Trust Capital Management L.P.](https://search.stillhousedata.com/firm/317825) | Chicago, IL | $10.3M | 980,393 |
| [WOLVERINE ASSET MANAGEMENT LLC](https://search.stillhousedata.com/firm/138907) | CHICAGO, IL | $10.2M | 971,757 |
| [Westchester Capital Management, LLC](https://search.stillhousedata.com/firm/155686) | VALHALLA, NY | $9.3M | 887,700 |
| Linden Advisors LP | New York, NY | $9.2M | 875,000 |
| Karpus Management, Inc. | Pittsford, NY | $6.5M | 620,220 |
| [CoinFund Management LLC](https://search.stillhousedata.com/firm/312302) | NEW YORK, NY | $6.0M | 566,000 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/122020) | WEST PALM BEACH, FL | $5.3M | 500,000 |
| [LMR Partners LLP](https://search.stillhousedata.com/firm/159639) | LONDON, X0 | $5.2M | 496,989 |
| Crossingbridge Advisors, LLC | Pleasantville, NY | $4.7M | 442,460 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $4.5M | 424,430 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $1.1M | 32.49% |
| First Trust Alternative Opportunities Fund | First Trust Alternative Opportunities Fund | $842K | 2.45% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G6301B101.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.