Who Owns MOUNTAIN LAKE ACQUISIT CORP (MLAAU)? -- Institutional Holders (2026-06-30)

33 institutions reported holding $23.0M of MOUNTAIN LAKE ACQUISIT CORP (MLAAU) in SEC 13F filings for 2026-06-30. Largest institutional holders: Calamos Advisors LLC ($7.9M), OMERS ADMINISTRATION Corp ($6.3M), TUDOR INVESTMENT CORP ET AL ($3.0M), Qube Research & Technologies Ltd ($2.5M), TORONTO DOMINION BANK ($1.7M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	Calamos Advisors LLC	$7.9M	783,000	Hold
2	OMERS ADMINISTRATION Corp	$6.3M	626,400	Hold
3	TUDOR INVESTMENT CORP ET AL	$3.0M	300,000	Hold
4	Qube Research & Technologies Ltd	$2.5M	250,000	Hold
5	TORONTO DOMINION BANK	$1.7M	166,060	Trimmed
6	Clear Street Group Inc.	$1.2M	118,425	Added
7	HRT FINANCIAL LP	$278,000	27,389	Trimmed
8	LONGFELLOW INVESTMENT MANAGEMENT CO LLC	$84,392	8,414	Hold
9	UBS Group AG	$2,407	240	New
10	Sculptor Capital LP	$0	0	Exited
11	ARISTEIA CAPITAL, L.L.C.	$0	0	Exited
12	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$0	0	Exited
13	BNP PARIBAS FINANCIAL MARKETS	$0	0	Exited
14	AQR Arbitrage LLC	$0	0	Exited
15	MILLENNIUM MANAGEMENT LLC	$0	0	Exited
16	WOLVERINE ASSET MANAGEMENT LLC	$0	0	Exited
17	MMCAP International Inc. SPC	$0	0	Exited
18	RIVERNORTH CAPITAL MANAGEMENT, LLC	$0	0	Exited
19	MOORE CAPITAL MANAGEMENT, LP	$0	0	Exited
20	Alberta Investment Management Corp	$0	0	Exited
21	Westchester Capital Management, LLC	$0	0	Exited
22	PICTON MAHONEY ASSET MANAGEMENT	$0	0	Exited
23	LMR Partners LLP	$0	0	Exited
24	First Trust Capital Management L.P.	$0	0	Exited
25	Schonfeld Strategic Advisors LLC	$0	0	Exited

Source: SEC Form 13F filings · as of 2026-06-30