MOUNTAIN LAKE ACQUISITION CO
CUSIP G6301B101
Mountain Lake Acquisition Co has 47 institutional holders in Filings Flow’s 13F database, together reporting 23.09M shares worth $243M as of Q1 2026. The largest reported holders are Tenor Capital Management Co., L.P., Magnetar Financial LLC, and Berkley W R Corp.
Institutional Holders
47
Q1 2026
Reported Value
$243M
Ticker
unmapped
private placement or foreign
Quarters Tracked
5
Ownership Trend
Institutional holders
Total reported value
Holders
··Mixed quarters
| Manager | % of Portfolio | Value | Shares | Quarter |
|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P.$6.5B AUM | 0.32% | $21M | 2.00M | Q1 2026 |
| Magnetar Financial LLC$9.8B AUM | 0.20% | $20M | 1.90M | Q1 2026 |
| BERKLEY W R CORP$1.9B AUM | 1.06% | $20M | 1.88M | Q1 2026 |
| MIZUHO SECURITIES USA LLC$4.2B AUM | 0.42% | $18M | 1.71M | Q1 2026 |
| Polar Asset Management Partners Inc.$5.0B AUM | 0.31% | $16M | 1.50M | Q1 2026 |
| AQR Arbitrage LLC$6.1B AUM | 0.24% | $15M | 1.41M | Q1 2026 |
| First Trust Capital Management L.P.$1.9B AUM | 0.54% | $10M | 980.4K | Q1 2026 |
| Alberta Investment Management Corp$16.7B AUM | 0.06% | $10M | 980.0K | Q1 2026 |
| WOLVERINE ASSET MANAGEMENT LLC$10.4B AUM | 0.10% | $10M | 971.8K | Q1 2026 |
| Westchester Capital Management, LLC$2.2B AUM | 0.42% | $9M | 887.7K | Q1 2026 |
| LINDEN ADVISORS LP$17.9B AUM | 0.05% | $9M | 875.0K | Q1 2026 |
| GLAZER CAPITAL, LLC$4.7B AUM | 0.19% | $9M | 856.9K | Q1 2026 |
| Governors Lane LP$1.6B AUM | 0.58% | $8M | 733.2K | Q3 2025OLDER |
| TWO SIGMA INVESTMENTS, LP$123.9B AUM | 0.01% | $7M | 710.2K | Q4 2025OLDER |
| HGC Investment Management Inc.$451M AUM | 1.76% | $7M | 700.0K | Q3 2025OLDER |
| Decagon Asset Management LLP$386M AUM | 2.63% | $7M | 657.6K | Q4 2025OLDER |
| Karpus Management, Inc.$3.2B AUM | 0.20% | $7M | 620.2K | Q1 2026 |
| METEORA CAPITAL, LLC$1.4B AUM | 0.50% | $6M | 579.3K | Q4 2025OLDER |
| CoinFund Management LLC$35M AUM | 16.85% | $6M | 566.0K | Q1 2026 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC$2.0B AUM | 0.26% | $5M | 500.0K | Q1 2026 |
| LMR Partners LLP$45.4B AUM | 0.01% | $5M | 497.0K | Q1 2026 |
| Crossingbridge Advisors, LLC$553M AUM | 0.84% | $5M | 442.5K | Q1 2026 |
| GOLDMAN SACHS GROUP INC$870.9B AUM | 0.00% | $4M | 424.4K | Q1 2026 |
| J. Goldman & Co LP$3.4B AUM | 0.12% | $4M | 423.6K | Q4 2025OLDER |
| TORONTO DOMINION BANK$69.7B AUM | 0.01% | $4M | 350.0K | Q1 2026 |
| RLH Capital LLC$197M AUM | 1.67% | $3M | 312.5K | Q1 2026 |
| WHITEBOX ADVISORS LLC$8.1B AUM | 0.04% | $3M | 300.0K | Q1 2026 |
| Hudson Bay Capital Management LP$29.0B AUM | 0.01% | $3M | 260.4K | Q1 2026 |
| Verition Fund Management LLC$15.4B AUM | 0.01% | $2M | 205.3K | Q3 2025OLDER |
| Shaolin Capital Management LLC$2.7B AUM | 0.08% | $2M | 200.0K | Q1 2026 |
| MOORE CAPITAL MANAGEMENT, LP$4.9B AUM | 0.04% | $2M | 200.0K | Q1 2026 |
| Jain Global LLC$24.2B AUM | 0.01% | $2M | 196.8K | Q1 2026 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS$19.6B AUM | 0.01% | $2M | 199.6K | Q3 2025OLDER |
| D. E. Shaw & Co., Inc.$166.3B AUM | 0.00% | $2M | 193.7K | Q1 2026 |
| Radcliffe Capital Management, L.P.$1.3B AUM | 0.15% | $2M | 193.1K | Q1 2026 |
| Ghisallo Capital Management LLC$3.6B AUM | 0.06% | $2M | 200.0K | Q1 2026 |
| L1 Global Manager Pty Ltd$149M AUM | 1.20% | $2M | 170.0K | Q1 2026 |
| GRITSTONE ASSET MANAGEMENT LLC$94M AUM | 1.77% | $2M | 166.9K | Q3 2025OLDER |
| Quarry LP$558M AUM | 0.31% | $2M | 162.5K | Q1 2026 |
| ARISTEIA CAPITAL, L.L.C.$4.8B AUM | 0.03% | $2M | 150.0K | Q1 2026 |
| PICTON MAHONEY ASSET MANAGEMENT$13.5B AUM | 0.01% | $2M | 150.0K | Q1 2026 |
| O'Connor Alternative Investments LLC$1.2B AUM | 0.14% | $2M | 149.9K | Q1 2026 |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)$3.7B AUM | 0.05% | $2M | 149.9K | Q4 2025OLDER |
| MILLENNIUM MANAGEMENT LLC$240.3B AUM | 0.00% | $2M | 147.3K | Q1 2026 |
| Wealthspring Capital LLC$421M AUM | 0.37% | $2M | 150.6K | Q3 2025OLDER |
| PERISCOPE CAPITAL INC.$902M AUM | 0.15% | $1M | 125.0K | Q1 2026 |
| DLD Asset Management, LP$1.1B AUM | 0.12% | $1M | 124.8K | Q1 2026 |
| UBS Group AG$666.3B AUM | 0.00% | $1M | 120.5K | Q1 2026 |
| Feynman Point Asset Management LLC$81M AUM | 1.30% | $1M | 100.0K | Q1 2026 |
| Mint Tower Capital Management B.V.$1.1B AUM | 0.09% | $1M | 100.0K | Q1 2026 |
| JPMORGAN CHASE & CO$1.56T AUM | 0.00% | $526,115 | 49.9K | Q1 2026 |
| DELTEC ASSET MANAGEMENT LLC$545M AUM | 0.08% | $421,204 | 40.0K | Q1 2026 |
| Clear Street Group Inc.$24.6B AUM | 0.00% | $386,444 | 36.7K | Q1 2026 |
| Wellspring Financial Advisors, LLC$1.3B AUM | 0.03% | $368,554 | 35.0K | Q1 2026 |
| Centiva Capital, LP$13.6B AUM | 0.00% | $258,530 | 25.1K | Q3 2025OLDER |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C.$1.6B AUM | 0.01% | $211,858 | 20.4K | Q4 2025OLDER |
| Virtu Financial LLC$2.4B AUM | 0.01% | $165,000 | 16.0K | Q2 2025OLDER |
| Rangeley Capital, LLC$103M AUM | 0.15% | $157,952 | 15.0K | Q1 2026 |
| Schonfeld Strategic Advisors LLC$14.2B AUM | 0.00% | $153,981 | 14.6K | Q1 2026 |
| CLEAR STREET LLC$25.1B AUM | 0.00% | $39,696 | 3.9K | Q2 2025OLDER |
| Hara Capital LLC$200M AUM | 0.01% | $13,163 | 1.3K | Q1 2026 |
| MORGAN STANLEY$1.67T AUM | 0.00% | $737 | 70 | Q1 2026 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM | — | $0 | 0 | Q2 2025OLDER |
Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.