Companies / Mountain Lake Acquisition Corp. II

Mountain Lake Acquisition Corp. II

Nasdaq: MLAAMLAAUCIK 2094265INCLINE VILLAGE, NV

Financials

Revenue—
Net income$-82.2K
Total debt—
Cash$1.15M
Diluted EPS$-0.01
Shares outstanding49.0M

Ownership

49.0M shares outstanding · as of Aug 11, 2026
38.7%Institutions
Ownership
75.5%Class A
Share classes
Class A75.50%
Class B24.50%
Institutions38.68%18,946,327
Public float61.32%30,033,673

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 6

View all →
Insider% of sharesShares
Grinberg PaulCEOCEO · Director · 10% owner
——
Horlick DouglasCFO · Director · 10% owner
——
Lager Jeffrey ToddDirector
——
Marquez Michael J.Director
——
Mountain Lake Acquisition Sponsor II LLC10% owner
——
Vieser JaimeDirector
——

Institutional holders 26

View all →
HolderValue% of shares
Aristeia Capital, L.L.C.$21.71M4.46%
Adage Capital Partners Gp, L.L.C.$20.67M4.29%
Magnetar Financial LLC$19.67M4.08%
Linden Advisors LP$14.78M3.06%
AQR Arbitrage LLC$14.06M2.89%
Tenor Capital Management Company, L.P.$10.43M2.16%
Polar Asset Management Partners Inc.$9.85M2.04%
Calamos Advisors LLC$7.78M1.60%
Millennium Management LLC$7.60M1.56%
BNP Paribas Financial Markets$7.38M1.52%

Activity

Mar 31, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).
DateActorActionSecurityValueShares ΔPosition afterImpact
Q1 2026
as of
Aristeia Capital, L.L.C.
13F manager
NewCommon stock$21.71M+2.2M
2,186,394
4.46% of shares
medium
Q1 2026
as of
Adage Capital Partners Gp, L.L.C.
13F manager
NewCommon stock$20.67M+2.1M
2,100,000
4.29% of shares
medium
Q1 2026
as of
Magnetar Financial LLC
13F manager
NewCommon stock$19.67M+2.0M
2,000,000
4.08% of shares
medium
Q1 2026
as of
Linden Advisors LP
13F manager
NewCommon stock$14.78M+1.5M
1,500,000
3.06% of shares
medium
Q1 2026
as of
AQR Arbitrage LLC
13F manager
NewCommon stock$14.06M+1.4M
1,415,656
2.89% of shares
medium
Q1 2026
as of
Tenor Capital Management Company, L.P.
13F manager
NewCommon stock$10.43M+1.1M
1,059,588
2.16% of shares
medium
Q1 2026
as of
Polar Asset Management Partners Inc.
13F manager
NewCommon stock$9.85M+1.0M
1,000,000
2.04% of shares
medium
Q1 2026
as of
Calamos Advisors LLC
13F manager
NewCommon stock$7.78M+783K
783,000
1.60% of shares
medium

5%+ ownership events

Schedule 13D / 13G
FilerStance% of classSharesDate
Aristeia Capital, L.L.C.Passive13G———
Magnetar Financial LLCPassive13G———

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
MLAA——G6301L109—
MLAA——G6301L125—