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Mountain Lake Acquisition Corp. II

MLAA
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; 59 institutions reported holding it in 13F filings for Q2 2026, worth $323.8M in total; no superinvestor holds it.

Other share classesMLAAUMLAAW

Q2 2026 vs. Q1 2026

How the institutions holding Mountain Lake Acquisition Corp. II changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of MLAA: Q1 2026 compared with Q2 2026
MeasureQ1 2026Q2 2026Change
Holders3159+28
Shares16.9M32.6M+15.7M (+92.9%)
Value$166.4M$323.8M+$157.5M (+94.6%)

New holders (32)

Institutions that held Mountain Lake Acquisition Corp. II at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to MLAA in Q2 2026
InstitutionSharesValue% of portfolio
Aristeia Capital LLC2,189,405$21.7M0.34%
Alberta Investment Management Corp1,750,000$17.4M0.10%
CNH Partners LLC1,449,082$14.4M0.20%
Kryger Capital LLC1,270,887$12.6M0.72%
LMR Partners LLP1,250,000$12.4M0.09%
Fort Baker Capital Management LP1,000,000$9.93M0.79%
Westchester Capital Management, LLC853,517$8.48M0.43%
Millennium Management LLC765,000$7.60M0.01%
BNP Paribas Arbitrage, SA742,958$7.38M0.00%
Vivaldi Asset Management, LLC600,000$5.96M0.35%
Rivernorth Capital Management, LLC499,531$4.98M0.24%
Picton Mahoney Asset Management500,000$4.97M0.05%
MMCAP International Inc. SPC500,000$4.96M0.42%
Moore Capital Management, LP500,000$4.96M0.11%
Sculptor Capital LP427,532$4.25M0.04%
Wolverine Asset Management LLC392,778$3.90M0.05%
Wealthspring Capital LLC336,480$3.34M0.75%
Lineage Point Capital LP294,214$2.92M0.60%
Commonwealth of Pennsylvania Public School Empls Retrmt Sys200,000$1.99M0.01%
RLH Capital LLC150,000$1.49M0.71%
Rangeley Capital, LLC127,791$1.27M1.24%
Mizuho Securities USA LLC125,405$1.24M0.02%
Readystate Asset Management LP125,000$1.24M0.05%
HGC Investment Management Inc.100,000$993.0K0.20%
Quarry LP75,233$747.1K0.12%
Centiva Capital, LP41,777$414.8K0.01%
Cable Car Capital LLC30,000$297.9K0.01%
Citadel Advisors LLC16,059$159.5K0.00%
Meteora Capital, LLC12,532$124.4K0.01%
TrueMark Investments, LLC11,031$109.5K0.01%
SRS Capital Advisors, Inc.1,500$14.9K0.00%
JPMorgan Chase & Co1,219$12.1K0.00%

Sold out (4)

Institutions that held Mountain Lake Acquisition Corp. II at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of MLAA in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Healthcare of Ontario Pension Plan Trust Fund1,250,000$12.3M
Galaxy Digital Inc.100,000$984.0K
Boothbay Fund Management, LLC50,000$492.3K
Royal Bank of Canada14,800$146.0K