Security Snapshot

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

CUSIP: G6301B101

13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

47

Shares (Excl. Options)

23,092,175

Price

$10.53

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+16,851
Value change
+$465,946
Number of holders
47
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
23,770,038
SEC-reported price per share
$10.62
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • MLAC - Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share is tracked under CUSIP G6301B101.
  • 47 institutions reported positions in Q1 2026.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 48 to 47 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $236,619,823 to $243,046,233.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 47 institutions filings for Q1 2026.

Open SEC evidence

Security key

G6301B101

Latest holder period

Q1 2026

13F holders

47

13D/G owners

6

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
6
Security
MLAC
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
TENOR CAPITAL MANAGEMENT Co., L.P. 8.4% +62% $20,800,000 +$7,800,000 2,000,000 +60% Tenor Capital Management Company, L.P. 31 Dec 2025
BERKLEY W R CORP 7.9% $19,848,695 1,877,833 W.R. Berkley Corporation 31 Mar 2026
AQR CAPITAL MANAGEMENT LLC 6.4% -24% $15,415,755 -$4,483,245 1,533,906 -23% AQR Capital Management, LLC 31 Mar 2025
BARCLAYS PLC 4.6% -39% $11,176,275 -$7,608,562 1,092,500 -41% Barclays PLC 30 Jun 2025
WOLVERINE ASSET MANAGEMENT LLC 4.6% -28% $11,319,032 -$4,883,535 1,085,238 -30% WOLVERINE ASSET MANAGEMENT LLC 08 Oct 2025
BANK OF MONTREAL /CAN/ 0.56% -85% $1,426,173 -$14,686,578 137,132 -91% BANK OF MONTREAL 31 Dec 2025

As of 31 Mar 2026, 47 institutional investors reported holding 23,092,175 shares of Mountain Lake Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (MLAC). This represents 97% of the company’s total 23,770,038 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
88%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
TENOR CAPITAL MANAGEMENT Co., L.P. 8.4% 2,000,000 0% 0.33% $21,060,200
Magnetar Financial LLC 8% 1,900,000 0% 0.2% $20,026,000
BERKLEY W R CORP 7.9% 1,877,833 +418% 1.1% $19,773,769
MIZUHO SECURITIES USA LLC 7.2% 1,710,141 +79% 0.42% $17,956,481
Polar Asset Management Partners Inc. 6.3% 1,497,259 +1.2% 0.37% $15,766,287
AQR Arbitrage LLC 5.9% 1,405,969 +0.02% 0.24% $14,804,854
First Trust Capital Management L.P. 4.1% 980,393 0% 0.54% $10,323,636
Alberta Investment Management Corp 4.1% 980,000 0% 0.06% $10,319,400
WOLVERINE ASSET MANAGEMENT LLC 4.1% 971,757 +0.87% 0.16% $10,232,698
Westchester Capital Management, LLC 3.7% 887,700 0% 0.45% $9,347,482
Linden Advisors LP 3.7% 875,000 0% 0.05% $9,213,750
GLAZER CAPITAL, LLC 3.6% 856,946 +25% 0.19% $9,024,000
Karpus Management, Inc. 2.6% 620,220 0% 0.2% $6,530,979
CoinFund Management LLC 2.4% 566,000 +23% 18% $5,960,037
RIVERNORTH CAPITAL MANAGEMENT, LLC 2.1% 500,000 0% 0.27% $5,265,050
LMR Partners LLP 2.1% 496,989 0% 0.05% $5,233,344
Crossingbridge Advisors, LLC 1.9% 442,460 0.84% $4,659,158
GOLDMAN SACHS GROUP INC 1.8% 424,430 0% 0% $4,469,290
TORONTO DOMINION BANK 1.5% 350,000 -8.8% 0.01% $3,685,500
RLH Capital LLC 1.3% 312,540 0% 1.7% $3,291,077
WHITEBOX ADVISORS LLC 1.3% 300,000 0% 0.05% $3,159,030
Hudson Bay Capital Management LP 1.1% 260,429 0% 0.02% $2,742,317
MOORE CAPITAL MANAGEMENT, LP 0.84% 200,000 0% 0.08% $2,106,020
Shaolin Capital Management LLC 0.84% 200,000 -50% 0.17% $2,106,020
Ghisallo Capital Management LLC 0.84% 200,000 0% 0.06% $2,021,779

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 23,092,175 $243,046,233 +$465,946 $10.53 47
2025 Q4 22,762,784 $236,619,823 -$4,180,862 $10.40 48
2025 Q3 22,443,412 $231,237,031 +$6,362,453 $10.30 46
2025 Q2 21,826,559 $223,909,186 +$52,634,717 $10.26 43
2025 Q1 16,521,477 $166,061,245 +$166,061,245 $10.05 36
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