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Mountain Lake Acquisition Corp. II

MLAAW
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; 50 institutions reported holding it in 13F filings for Q2 2026, worth $3.87M in total; no superinvestor holds it.

Other share classesMLAAMLAAU

Q1 2026 vs. Q4 2025

How the institutions holding Mountain Lake Acquisition Corp. II changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of MLAAW: Q4 2025 compared with Q1 2026
MeasureQ4 2025Q1 2026Change
Holders026+26
Shares08.21M+8.21M
Value$0$1.07M+$1.07M

New holders (26)

Institutions that held Mountain Lake Acquisition Corp. II at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to MLAAW in Q1 2026
InstitutionSharesValue% of portfolio
Adage Capital Partners GP, L.L.C.1,050,000$136.5K0.00%
Magnetar Financial LLC1,000,000$130.0K0.00%
Linden Advisors LP749,999$118.1K0.00%
Verition Fund Management LLC761,936$99.1K0.00%
Healthcare of Ontario Pension Plan Trust Fund625,000$81.3K0.00%
Tenor Capital Management Co., L.P.529,794$68.9K0.00%
Polar Asset Management Partners Inc.500,000$65.0K0.00%
Sona Asset Management (US) LLC500,000$65.0K0.00%
Glazer Capital, LLC485,608$63.0K0.00%
Shaolin Capital Management LLC368,649$47.9K0.00%
Radcliffe Capital Management, L.P.251,990$39.7K0.00%
Periscope Capital Inc.250,000$32.5K0.01%
Berkley W R Corp223,897$29.1K0.00%
Whitebox Advisors LLC200,000$26.0K0.00%
D. E. Shaw & Co., Inc.162,500$21.1K0.00%
CSS LLC95,118$12.4K0.00%
Clear Street Group Inc.83,982$10.9K0.00%
Hudson Bay Capital Management LP50,000$6.50K0.00%
DLD Asset Management, LP50,000$6.50K0.00%
Galaxy Digital Inc.50,000$6.50K0.00%
Virtu Financial LLC43,150$6.00K0.00%
Deltec Asset Management LLC20,000$2.60K0.00%
PenderFund Capital Management Ltd.2,500$3250.00%
Royal Bank of Canada3,100$00.00%
Boothbay Fund Management, LLC25,000––
Mint Tower Capital Management B.V.125,000––

Sold out (0)

Institutions that held Mountain Lake Acquisition Corp. II at the end of Q4 2025 and filed for Q1 2026 without it.

None.