13F Insight
DOSSIER · 13F Holders · Q2 2026

MOUNTAIN LAKE ACQUISITION CO

13 institutions still hold MOUNTAIN LAKE ACQUISITION CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G6301B101·13 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$66M
visible holders
Holders
13
filers reporting
Concentration
27.01%
MIZUHO SECURITIES USA LLC #1
top holder share
AI Holders Summary · Q2 2026

13 institutions reported MOUNTAIN LAKE ACQUISITION CO in Q2 2026. MIZUHO SECURITIES USA LLC leads at 27.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
MIZUHO SECURITIES USA LLC
CIK 0000812291
$18M1.7M0.17%Q2 202602
AQR Arbitrage LLC
CIK 0001167456
$15M1.4M0.31%Q4 202503
GLAZER CAPITAL, LLC
CIK 0001076809
$9M857K0.19%Q1 202604
Karpus Management, Inc.
CIK 0001048703
$7M620K0.20%Q1 202605
CoinFund Management LLC
CIK 0002087493
$6M566K16.85%Q1 202606
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$5M500K0.26%Q1 202607
Jain Global LLC
CIK 0002024579
$2M197K0.01%Q1 202608
D. E. Shaw & Co., Inc.
CIK 0001009207
$2M194K0.00%Q4 202509
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
CIK 0001132716
$2M150K0.04%Q4 202510
Mint Tower Capital Management B.V.
CIK 0001666606
$1M100K0.09%Q1 202611
Crossingbridge Advisors, LLC
CIK 0001770024
$266K25K0.05%Q2 202612
Rangeley Capital, LLC
CIK 0001517796
$158K15K0.15%Q1 202613
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025