Mountain Lake Acquisition Co

Q4 2025 vs Q1 2026

Comparing institutional holders between quarters

Compare Detailed Historical Funds Options 13D/13G Peers Targeting Trading Summary Profile

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Harraden Circle Investments, LLC

DECREASED

Shares3,325,566 from 3,325,766

Change-200 (0%)

Value$864.6K (+$66.5K)

Filed 2026-05-15

Magnetar Financial LLC

UNCHANGED

Shares1,900,000 from 1,900,000

Change0 (0%)

Value$494.0K (+$38.0K)

Filed 2026-05-13

Polar Asset Management Partners Inc.

UNCHANGED

Shares1,880,000 from 1,880,000

Change0 (0%)

Value$488.8K (+$37.6K)

Filed 2026-05-15

AQR Arbitrage LLC

DECREASED

Shares1,495,890 from 1,533,906

Change-38,016 (-2%)

Value$388.9K (+$20.8K)

Filed 2026-05-15

Linden Advisors LP

UNCHANGED

Shares1,175,000 from 1,175,000

Change0 (0%)

Value$246.9K (-$59.6K)

Filed 2026-05-15

Alberta Investment Management Corp

UNCHANGED

Shares980,000 from 980,000

Change0 (0%)

Value$254.8K (+$19.6K)

Filed 2026-04-29

Meteora Capital, LLC

DECREASED

Shares826,755 from 1,014,266

Change-187,511 (-18%)

Value$215.0K (-$28.5K)

Filed 2026-05-15

Toronto Dominion Bank

DECREASED

Shares743,723 from 756,800

Change-13,077 (-2%)

Value$193.4K (+$11.7K)

Filed 2026-05-15

Verition Fund Management LLC

DECREASED

Shares727,509 from 728,224

Change-715 (0%)

Value$189.2K (+$14.4K)

Filed 2026-05-15

D. E. Shaw & Co., Inc.

UNCHANGED

Shares725,000 from 725,000

Change0 (0%)

Value$188.5K (+$14.5K)

Filed 2026-05-15

Westchester Capital Management, LLC

UNCHANGED

Shares700,013 from 700,013

Change0 (0%)

Value$182.0K (+$14.0K)

Filed 2026-05-15

Rivernorth Capital Management, LLC

NEW

Shares500,000

Change+500,000

Value$130.0K

Filed 2026-05-15

LMR Partners LLP

NEW

Shares500,000

Change+500,000

Value$130.0K

Filed 2026-05-15

Tenor Capital Management Co., L.P.

UNCHANGED

Shares500,000 from 500,000

Change0 (0%)

Value$130.0K (+$10.0K)

Filed 2026-05-15

Shaolin Capital Management LLC

UNCHANGED

Shares479,500 from 479,500

Change0 (0%)

Value$124.7K (+$9.6K)

Filed 2026-05-15

Millennium Management LLC

UNCHANGED

Shares450,000 from 450,000

Change0 (0%)

Value$117.0K (+$9.0K)

Filed 2026-05-15

BNP Paribas Financial Markets

UNCHANGED

Shares446,094 from 446,094

Change0 (0%)

Value$116.0K (+$8.9K)

Filed 2026-05-12

Saba Capital Management, L.P.A

NEW

Shares350,017

Change+350,017

Value$73.5K

Filed 2026-05-15

Wolverine Asset Management LLC

DECREASED

Shares333,554 from 364,509

Change-30,955 (-8%)

Value$86.7K (-$758)

Filed 2026-05-04

DLD Asset Management, LP

UNCHANGED

Shares325,000 from 325,000

Change0 (0%)

Value$84.5K (+$6.5K)

Filed 2026-05-13

Periscope Capital Inc.

DECREASED

Shares321,184 from 325,000

Change-3,816 (-1%)

Value$83.5K (+$5.5K)

Filed 2026-05-14

Whitebox Advisors LLC

UNCHANGED

Shares300,000 from 300,000

Change0 (0%)

Value$78.0K (+$6.0K)

Filed 2026-08-26

Hudson Bay Capital Management LP

NEW

Shares299,715

Change+299,715

Value$77.9K

Filed 2026-05-13

Clear Street Group Inc.

INCREASED

Shares212,579 from 212,479

Change+100 (+0%)

Value$55.3K (+$4.3K)

Filed 2026-05-15

Moore Capital Management, LP

UNCHANGED

Shares200,000 from 200,000

Change0 (0%)

Value$52.0K (+$4.0K)

Filed 2026-05-15

Wealthspring Capital LLC

DECREASED

Shares150,370 from 150,570

Change-200 (0%)

Value$39.1K (+$3.0K)

Filed 2026-05-04

Glazer Capital, LLC

UNCHANGED

Shares143,986 from 143,986

Change0 (0%)

Value$37 (+$2)

Filed 2026-05-14

K2 Principal Fund, L.P.

DECREASED

Shares113,489 from 147,507

Change-34,018 (-23%)

Value$29.5K (-$5.9K)

Filed 2026-05-14

RLH Capital LLC

NEW

Shares100,000

Change+100,000

Value$26.0K

Filed 2026-04-29

Mint Tower Capital Management B.V.

UNCHANGED

Shares100,000 from 100,000

Change0 (0%)

Value$26 (+$2)

Filed 2026-05-04

Picton Mahoney Asset Management

UNCHANGED

Shares100,000 from 100,000

Change0 (0%)

Value$26.0K (+$2.0K)

Filed 2026-05-13

Schonfeld Strategic Advisors LLC

DECREASED

Shares89,254 from 115,898

Change-26,644 (-23%)

Value$23.2K (-$4.6K)

Filed 2026-05-15

Parallax Volatility Advisers, L.P.

DECREASED

Shares77,140 from 95,398

Change-18,258 (-19%)

Value$17.0K (-$5.8K)

Filed 2026-05-15

Decagon Asset Management LLP

UNCHANGED

Shares69,665 from 69,665

Change0 (0%)

Value$18.1K (+$1.4K)

Filed 2026-05-15

Boothbay Fund Management, LLC

DECREASED

Shares67,840 from 72,683

Change-4,843 (-7%)

Value$17.6K (+$194)

Filed 2026-05-15

Quarry LP

UNCHANGED

Shares50,000 from 50,000

Change0 (0%)

Value$13.0K (+$1.0K)

Filed 2026-05-15

HGC Investment Management Inc.

UNCHANGED

Shares40,000 from 40,000

Change0 (0%)

Value$10.4K (+$800)

Filed 2026-05-15

CSS LLC

UNCHANGED

Shares35,056 from 35,056

Change0 (0%)

Value$91.1K (+$7.0K)

Filed 2026-05-15

Readystate Asset Management LP

NEW

Shares24,779

Change+24,779

Value$6.4K

Filed 2026-05-15

Two Sigma Securities, LLC

NEW

Shares10,183

Change+10,183

Value$2.6K

Filed 2026-05-15

Susquehanna International Group, LLP

CLOSED

Shares0 from 20,009

Change-20,009 (-100%)

Value$0 (-$4.8K)

Filed 2026-05-15

StoneX Group Inc.

CLOSED

Shares0 from 18,363

Change-18,363 (-100%)

Value$0 (-$4.4K)

Filed 2026-05-14

Rangeley Capital, LLC

CLOSED

Shares0 from 15,000

Change-15,000 (-100%)

Value$0 (-$15.6K)

Filed 2026-05-15

Bank of America Corp

CLOSED

Shares0 from 6,269

Change-6,269 (-100%)

Value$0 (-$1.5K)

Filed 2026-05-18

	Status
Harraden Circle Investments, LLC	DECREASED	3,325,566	3,325,766	-200	0%	$798.2K	$864.6K	+$66.5K	2026-05-15
Magnetar Financial LLC	UNCHANGED	1,900,000	1,900,000	0	0%	$456.0K	$494.0K	+$38.0K	2026-05-13
Polar Asset Management Partners Inc.	UNCHANGED	1,880,000	1,880,000	0	0%	$451.2K	$488.8K	+$37.6K	2026-05-15
AQR Arbitrage LLC	DECREASED	1,495,890	1,533,906	-38,016	-2%	$368.1K	$388.9K	+$20.8K	2026-05-15
Linden Advisors LP	UNCHANGED	1,175,000	1,175,000	0	0%	$306.4K	$246.9K	-$59.6K	2026-05-15
Alberta Investment Management Corp	UNCHANGED	980,000	980,000	0	0%	$235.2K	$254.8K	+$19.6K	2026-04-29
Meteora Capital, LLC	DECREASED	826,755	1,014,266	-187,511	-18%	$243.4K	$215.0K	-$28.5K	2026-05-15
Toronto Dominion Bank	DECREASED	743,723	756,800	-13,077	-2%	$181.6K	$193.4K	+$11.7K	2026-05-15
Verition Fund Management LLC	DECREASED	727,509	728,224	-715	0%	$174.8K	$189.2K	+$14.4K	2026-05-15
D. E. Shaw & Co., Inc.	UNCHANGED	725,000	725,000	0	0%	$174.0K	$188.5K	+$14.5K	2026-05-15
Westchester Capital Management, LLC	UNCHANGED	700,013	700,013	0	0%	$168.0K	$182.0K	+$14.0K	2026-05-15
Rivernorth Capital Management, LLC	NEW	500,000	—	+500,000	—	—	$130.0K	—	2026-05-15
LMR Partners LLP	NEW	500,000	—	+500,000	—	—	$130.0K	—	2026-05-15
Tenor Capital Management Co., L.P.	UNCHANGED	500,000	500,000	0	0%	$120.0K	$130.0K	+$10.0K	2026-05-15
Shaolin Capital Management LLC	UNCHANGED	479,500	479,500	0	0%	$115.1K	$124.7K	+$9.6K	2026-05-15
Millennium Management LLC	UNCHANGED	450,000	450,000	0	0%	$108.0K	$117.0K	+$9.0K	2026-05-15
BNP Paribas Financial Markets	UNCHANGED	446,094	446,094	0	0%	$107.1K	$116.0K	+$8.9K	2026-05-12
Saba Capital Management, L.P.A	NEW	350,017	—	+350,017	—	—	$73.5K	—	2026-05-15
Wolverine Asset Management LLC	DECREASED	333,554	364,509	-30,955	-8%	$87.5K	$86.7K	-$758	2026-05-04
DLD Asset Management, LP	UNCHANGED	325,000	325,000	0	0%	$78.0K	$84.5K	+$6.5K	2026-05-13
Periscope Capital Inc.	DECREASED	321,184	325,000	-3,816	-1%	$78.0K	$83.5K	+$5.5K	2026-05-14
Whitebox Advisors LLC	UNCHANGED	300,000	300,000	0	0%	$72.0K	$78.0K	+$6.0K	2026-08-26
Hudson Bay Capital Management LP	NEW	299,715	—	+299,715	—	—	$77.9K	—	2026-05-13
Clear Street Group Inc.	INCREASED	212,579	212,479	+100	+0%	$51.0K	$55.3K	+$4.3K	2026-05-15
Moore Capital Management, LP	UNCHANGED	200,000	200,000	0	0%	$48.0K	$52.0K	+$4.0K	2026-05-15
Wealthspring Capital LLC	DECREASED	150,370	150,570	-200	0%	$36.1K	$39.1K	+$3.0K	2026-05-04
Glazer Capital, LLC	UNCHANGED	143,986	143,986	0	0%	$35	$37	+$2	2026-05-14
K2 Principal Fund, L.P.	DECREASED	113,489	147,507	-34,018	-23%	$35.4K	$29.5K	-$5.9K	2026-05-14
RLH Capital LLC	NEW	100,000	—	+100,000	—	—	$26.0K	—	2026-04-29
Mint Tower Capital Management B.V.	UNCHANGED	100,000	100,000	0	0%	$24	$26	+$2	2026-05-04
Picton Mahoney Asset Management	UNCHANGED	100,000	100,000	0	0%	$24.0K	$26.0K	+$2.0K	2026-05-13
Schonfeld Strategic Advisors LLC	DECREASED	89,254	115,898	-26,644	-23%	$27.8K	$23.2K	-$4.6K	2026-05-15
Parallax Volatility Advisers, L.P.	DECREASED	77,140	95,398	-18,258	-19%	$22.9K	$17.0K	-$5.8K	2026-05-15
Decagon Asset Management LLP	UNCHANGED	69,665	69,665	0	0%	$16.7K	$18.1K	+$1.4K	2026-05-15
Boothbay Fund Management, LLC	DECREASED	67,840	72,683	-4,843	-7%	$17.4K	$17.6K	+$194	2026-05-15
Quarry LP	UNCHANGED	50,000	50,000	0	0%	$12.0K	$13.0K	+$1.0K	2026-05-15
HGC Investment Management Inc.	UNCHANGED	40,000	40,000	0	0%	$9.6K	$10.4K	+$800	2026-05-15
CSS LLC	UNCHANGED	35,056	35,056	0	0%	$84.1K	$91.1K	+$7.0K	2026-05-15
Readystate Asset Management LP	NEW	24,779	—	+24,779	—	—	$6.4K	—	2026-05-15
Two Sigma Securities, LLC	NEW	10,183	—	+10,183	—	—	$2.6K	—	2026-05-15
Susquehanna International Group, LLP	CLOSED	0	20,009	-20,009	-100%	$4.8K	$0	-$4.8K	2026-05-15
StoneX Group Inc.	CLOSED	0	18,363	-18,363	-100%	$4.4K	$0	-$4.4K	2026-05-14
Rangeley Capital, LLC	CLOSED	0	15,000	-15,000	-100%	$15.6K	$0	-$15.6K	2026-05-15
Bank of America Corp	CLOSED	0	6,269	-6,269	-100%	$1.5K	$0	-$1.5K	2026-05-18

Showing 44 of 44 institutions