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MLAA MOUNTAIN LAKE ACQUISIT CORP

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USD CL A ORD SHS (common), issuer CIK 2094265

31 managers (31 13F filers) reported a position in MLAA shares at 2026-03-31, 16,901,162 shares in all. 30 filers opened a position and 0 filers sold out during the quarter.

Managers
31
13F filers
31
New
30
Added
0
Reduced
0
Sold out
0
Shares held by filers
16,901,162

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
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…2,100,000$20.7M0.03%new13F-HRTimelineGroup
Magnetar Financial LLCin group Magnetar Financial LLC2,000,000$19.7M0.2%new13F-HRTimelineGroup
Linden Advisors LPin group Linden Advisors LP1,500,000$14.8M0.08%new13F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…1,250,000$12.3M0.02%new13F-HRTimeline
TENOR CAPITAL MANAGEMENT Co., L.P.1,059,588$10.4M0.16%new13F-HRTimeline
Polar Asset Management Partners Inc.1,000,000$9.85M0.23%new13F-HRTimeline
SONA ASSET MANAGEMENT (US) LLCin group SONA ASSET MANAGEMENT (US) LLC1,000,000$9.85M0.38%new13F-HRTimelineGroup
GLAZER CAPITAL, LLCin group GLAZER CAPITAL, LLC971,419$9.55M0.2%new13F-HRTimelineGroup
Verition Fund Management LLC900,000$8.87M0.09%new13F-HRTimeline
Shaolin Capital Management LLC737,300$7.26M0.3%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP567,675$5.58M<0.01%new13F-HRTimelineGroup
Periscope Capital Inc.500,000$4.92M0.86%new13F-HRTimeline
BERKLEY W R CORP447,794$4.41M0.24%new13F-HRTimeline
Radcliffe Capital Management, L.P.403,982$3.98M0.3%new13F-HRTimeline
WHITEBOX ADVISORS LLC400,000$3.94M0.06%new13F-HRTimeline
Ghisallo Capital Management LLC375,000$3.69M0.1%new13F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.325,001$3.2M<0.01%new13F-HRTimelineGroup
HIGHBRIDGE CAPITAL MANAGEMENT LLC277,003$2.73M0.17%new13F-HRTimeline
Mint Tower Capital Management B.V.250,000$2.46M0.23%new13F-HRTimeline
CSS LLC/IL190,236$1.87M0.1%new13F-HRTimeline
Clear Street Group Inc.in group Clear Street Group Inc.136,354$1.34M0.01%new13F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…100,000$985K0.01%new13F-HRTimelineGroup
DLD Asset Management, LP100,000$984K0.1%new13F-HRTimeline
Galaxy Digital Inc.in group Galaxy Group Investments LLC100,000$984K0.15%13F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC79,870$787K0.03%new13F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC50,000$492K0.01%new13F-HRTimeline
DELTEC ASSET MANAGEMENT LLC50,000$492K0.09%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA14,800$146K<0.01%new13F-HRTimelineGroup
Schonfeld Strategic Advisors LLC10,123$99.6K<0.01%new13F-HRTimeline
PenderFund Capital Management Ltd.5,000$49.2K0.01%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY17$167<0.01%new13F-HRTimelineGroup