Mountain Lake Acquisition Corp. II
MLAAU- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002094265
No open-market purchases or sales by Mountain Lake Acquisition Corp. II insiders were filed in the last 90 days; 9 institutions reported holding it in 13F filings for Q2 2026, worth $23.0M in total; no superinvestor holds it.
Holders of 5% or more of MLAAU
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Mountain Lake Acquisition Corp. II, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Aristeia Capital LLC | 13G | 5.91%2.19M shares | New | May 14, 20261 filing | May 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
1 Schedule 13D or 13G filing on Mountain Lake Acquisition Corp. II, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 14, 20269:07 AM ET | Aristeia Capital LLC | 13G | 5.91%2.19M shares | New | Mar 31, 2026 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Mountain Lake Acquisition Corp. II shares.
No Form 144 notices for Mountain Lake Acquisition Corp. II are on file.