# Mountain Lake Acquisition Corp. II UNIT 01/21/2031

Mountain Lake Acquisition Corp. II UNIT 01/21/2031 is a security (CUSIP G6301L125) tracked across SEC portfolio filings. 27 institutional managers reported $135.3M on Form 13F as of 2026-06-30; 2 registered fund positions totaling $3.0M via N-PORT as of 2026-03-31.

## Summary

- Issuer: Mountain Lake Acquisition Corp. II
- Class: UNIT 01/21/2031
- CUSIP: G6301L125
- Asset category: OTHER
- 13F holders: 27
- 13F value: $135.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 2
- N-PORT value: $3.0M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 27 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| ARISTEIA CAPITAL LLC | GREENWICH, CT | $21.7M | 2,186,394 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $14.1M | 1,415,656 |
| [LMR Partners LLP](https://search.stillhousedata.com/firm/159639) | LONDON, X0 | $12.4M | 1,250,000 |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $7.9M | 783,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $7.6M | 764,983 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $7.4M | 742,960 |
| OMERS ADMINISTRATION Corp | TORONTO, A6 | $6.2M | 626,400 |
| [Westchester Capital Management, LLC](https://search.stillhousedata.com/firm/155686) | VALHALLA, NY | $6.1M | 614,526 |
| [First Trust Capital Management L.P.](https://search.stillhousedata.com/firm/317825) | Chicago, IL | $6.0M | 600,000 |
| [RIVERNORTH CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/122020) | WEST PALM BEACH, FL | $5.0M | 500,000 |
| MMCAP International Inc. SPC | GRAND CAYMAN, E9 | $5.0M | 500,000 |
| [MOORE CAPITAL MANAGEMENT, LP](https://search.stillhousedata.com/firm/160188) | NEW YORK, NY | $5.0M | 500,000 |
| PICTON MAHONEY ASSET MANAGEMENT | TORONTO, A6 | $5.0M | 500,000 |
| TORONTO DOMINION BANK | Toronto, Ontario, A6 | $4.1M | 410,570 |
| [Schonfeld Strategic Advisors LLC](https://search.stillhousedata.com/firm/281984) | NEW YORK, NY | $3.4M | 340,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| First Trust Alternative Opportunities Fund | First Trust Alternative Opportunities Fund | $2.0M | 5.77% |
| RiverNorth Opportunities Fund Inc. | RIVERNORTH OPPORTUNITIES FUND INC. | $993K | 30.64% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/G6301L125.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.