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MLAAU MOUNTAIN LAKE ACQUISIT CORP

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Unit (unit), issuer CIK 2094265

32 managers (32 13F filers) reported a position in MLAAU shares at 2026-03-31, 15,974,859 shares in all. 31 filers opened a position and 0 filers sold out during the quarter.

Managers
32
13F filers
32
New
31
Added
0
Reduced
0
Sold out
0
Shares held by filers
15,974,859

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
ARISTEIA CAPITAL, L.L.C.2,186,394$21.7M0.5%new13F-HRTimeline
Alberta Investment Management Corp1,750,000$17.4M0.11%new13F-HRTimeline
AQR Arbitrage LLCin group AQR CAPITAL MANAGEMENT LLC1,415,656$14.1M0.23%new13F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP1,250,000$12.4M0.11%new13F-HRTimelineGroup
Calamos Advisors LLCin group Calamos Advisors LLC783,000$7.78M0.03%new13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC764,983$7.6M0.01%new13F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS742,960$7.38M<0.01%new13F-HRTimelineGroup
OMERS ADMINISTRATION Corp626,400$6.22M0.04%new13F-HRTimeline
Westchester Capital Management, LLCin group Westchester Capital Managemen…614,526$6.1M0.3%new13F-HRTimelineGroup
First Trust Capital Management L.P.in group FIRST TRUST ADVISORS LP600,000$5.96M0.31%new13F-HRTimelineGroup
MMCAP International Inc. SPCin group MMCAP500,000$4.96M0.43%new13F-HRTimelineGroup
RIVERNORTH CAPITAL MANAGEMENT, LLC500,000$4.96M0.25%new13F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP500,000$4.96M0.18%new13F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT500,000$4.96M0.05%new13F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK410,570$4.08M0.01%new13F-HRTimelineGroup
Schonfeld Strategic Advisors LLC340,000$3.38M0.03%new13F-HRTimeline
Wealthspring Capital LLCin group Wealthspring Capital LLC338,050$3.36M0.8%new13F-HRTimelineGroup
Sculptor Capital LPin group Sculptor Capital LP313,025$3.11M0.04%new13F-HRTimelineGroup
Lineage Point Capital LP300,000$2.98M0.73%new13F-HRTimeline
TUDOR INVESTMENT CORP ET AL300,000$2.98M0.02%new13F-HRTimeline
WOLVERINE ASSET MANAGEMENT LLCin group WOLVERINE ASSET MANAGEMENT LLC275,000$2.73M0.04%new13F-HRTimelineGroup
Qube Research & Technologies Ltd250,000$2.48M<0.01%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…200,000$1.99M0.01%new13F-HRTimeline
RLH Capital LLC150,000$1.49M0.76%13F-HRTimeline
Centiva Capital, LP150,000$1.49M0.07%new13F-HRTimeline
Quarry LP75,000$746K0.15%new13F-HRTimeline
ABC ARBITRAGE SAin group ABC ARBITRAGE SA40,000$397K0.05%new13F-HRTimelineGroup
Cable Car Capital, LP30,000$298K0.1%new13F-HRTimeline
HRT FINANCIAL LP28,446$282K<0.01%new13F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.20,935$208K<0.01%new13F-HRTimelineGroup
TrueMark Investments, LLCin group TrueMark Investments, LLC11,500$114K0.02%new13F-HRTimelineGroup
LONGFELLOW INVESTMENT MANAGEMENT CO LLC8,414$83.6K0.02%new13F-HRTimeline