Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (MLAC)

Q: What does CUSIP G6301B101 represent in this 13F holders report?

CUSIP G6301B101 is the security identifier for MLAC - Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held MLAC - Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share in Q1 2026?

47 institutional investors reported MLAC - Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G6301B101

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A ordinary shares, par value $0.0001 per share
Total 13F shares: 23,092,175
Total 13F value: $243,046,233
Share change: +16,851
SEC-reported price per share: $10.53
Number of holders: 47
Value change: +$465,946
Number of buys: 12
Number of sells: 12
Shares outstanding: 23,770,038

Security key

G6301B101

Report period

Q1 2026

Institutions

Top holders

MLAC full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 Mountain Lake Acquisition Corp. SEC filings Mountain Lake Acquisition Corp. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G6301B101

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of MLAC - Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Magnetar Financial LLC

Disclosed value leader

TENOR CAPITAL MANAGEMENT ...

Comparable rows

15/15

Latest evidence

31 Dec 2025

13F 13D/G Lead comparable stake: 8% 13D/G row: Magnetar Financial LLC Showing 1-6 of 15 holder rows.

Quick read

Magnetar Financial LLC leads the comparable SEC ownership view at 8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Magnetar Financial LLC's linked filing trail.

Comparable ownership Top 5

Magnetar Financial LLC 8%

AQR CAPITAL MANAGEMENT LLC 6.4%

Polar Asset Management Partners Inc. 6.2%

BARCLAYS PLC 4.6%

WOLVERINE ASSET MANAGEMENT LLC 4.6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Magnetar Financial LLC	13F 13D/G Company 13F 13D/G	8% from 13D/G	$19,760,000 1,900,000 shares	—	31 Dec 2025
AQR CAPITAL MANAGEMENT LLC	13D/G 13D/G	6.4%	$15,415,755 1,533,906 shares	-$4,483,245	31 Mar 2025
Polar Asset Management Partners Inc.	13F 13D/G Company 13F 13D/G	6.2% from 13D/G	$15,391,324 1,479,935 shares	—	31 Dec 2025
BARCLAYS PLC	13D/G 13D/G	4.6%	$11,176,275 1,092,500 shares	-$7,608,562	30 Jun 2025
WOLVERINE ASSET MANAGEMENT LLC	13D/G 13F Company 13D/G 13F	4.6%	$11,319,032 1,085,238 shares	-$4,883,535	08 Oct 2025
K2 PRINCIPAL FUND, L.P.	13D/G The K2 Principal Fund, L.P. 13D/G	3.2%	$7,706,768 748,957 shares	-$4,641,232	31 Dec 2024

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

23,092,175

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-1

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend