Stock
Mountain Lake Acquisition Co
Ticker not mapped · held by 47 managers
Reported value
$233M
Holders
47
+3 new · −5 exited
Holders’ est. mark
$2.46M
Price effect on 42 books still in the name
Largest holder
$21.1M
TENOR CAPITAL MANAGEMENT Co., L.P.
Holder count by quarter
Who holds it
Notable only| Investor | Shares | Value | Est. mark | Change |
|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P. | 2M | $21.1M | $260.2K | Added$260.2K |
| Magnetar Financial LLC | 1.9M | $20M | $266K | Added$266K |
| BERKLEY W R CORP | 1.88M | $19.8M | $47.2K | Added$16M |
| MIZUHO SECURITIES USA LLC | 1.71M | $18M | $126.1K | Added$8.03M |
| Polar Asset Management Partners Inc. | 1.5M | $15.8M | $192.5K | Added$375K |
| AQR Arbitrage LLC | 1.41M | $14.8M | $182.7K | Added$185.5K |
| First Trust Capital Management L.P. | 980.4K | $10.3M | $127.5K | Added$127.5K |
| Alberta Investment Management Corp | 980K | $10.3M | $127.4K | Added$127.4K |
| WOLVERINE ASSET MANAGEMENT LLC | 971.8K | $10.2M | $125.3K | Added$213.7K |
| Westchester Capital Management, LLC | 887.7K | $9.35M | $115.4K | Added$115.4K |
| Linden Advisors LP | 875K | $9.21M | $113.7K | Added$113.8K |
| Karpus Management, Inc. | 620.2K | $6.53M | $80.7K | Added$80.7K |
| CoinFund Management LLC | 566K | $5.96M | $60K | Added$1.17M |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 500K | $5.27M | $65K | Added$65K |
| LMR Partners LLP | 497K | $5.23M | $64.7K | Added$64.7K |
| Crossingbridge Advisors, LLC | 442.5K | $4.66M | — | New |
| GOLDMAN SACHS GROUP INC | 424.4K | $4.47M | $55.2K | Added$55.2K |
| TORONTO DOMINION BANK | 350K | $3.69M | $45.5K | Cut−$304.9K |
| RLH Capital LLC | 312.5K | $3.29M | — | Held |
| WHITEBOX ADVISORS LLC | 300K | $3.16M | $39K | Added$39K |
| Hudson Bay Capital Management LP | 260.4K | $2.74M | $33.9K | Added$33.9K |
| MOORE CAPITAL MANAGEMENT, LP | 200K | $2.11M | $26K | Added$26K |
| Shaolin Capital Management LLC | 200K | $2.11M | $26K | Cut−$2.05M |
| Jain Global LLC | 196.8K | $2.07M | $25.6K | Cut−$1.83M |
| D. E. Shaw & Co., Inc. | 193.7K | $2.04M | $25.2K | Added$25.2K |
| Radcliffe Capital Management, L.P. | 193.1K | $2.03M | $25.1K | Added$25.1K |
| Ghisallo Capital Management LLC | 200K | $2.02M | $25K | Added$25K |
| L1 Global Manager Pty Ltd | 170K | $1.79M | $22.1K | Added$22.1K |
| Quarry LP | 162.5K | $1.71M | $19.5K | Added$151.6K |
| ARISTEIA CAPITAL, L.L.C. | 150K | $1.58M | $19.5K | Added$19.5K |
| PICTON MAHONEY ASSET MANAGEMENT | 150K | $1.58M | $19.5K | Added$19.5K |
| O'Connor Alternative Investments LLC | 149.9K | $1.58M | — | Held |
| MILLENNIUM MANAGEMENT LLC | 147.3K | $1.55M | $19.2K | Cut−$190.4K |
| Periscope Capital Inc. | 125K | $1.32M | $16.3K | Cut−$1.28M |
| DLD Asset Management, LP | 124.8K | $1.31M | $16.2K | Added$16.2K |
| UBS Group AG | 120.5K | $1.27M | $15.7K | Cut−$907.7K |
| Feynman Point Asset Management LLC | 100K | $1.05M | $13K | Added$13K |
| JPMORGAN CHASE & CO | 49.9K | $526.1K | $6.98K | Added$7.44K |
| DELTEC ASSET MANAGEMENT LLC | 40K | $421.2K | $5.2K | Added$5.2K |
| Clear Street Group Inc. | 36.7K | $386.4K | $4.77K | Added$4.77K |
| Wellspring Financial Advisors, LLC | 35K | $368.6K | $4.55K | Added$4.55K |
| Rangeley Capital, LLC | 15K | $158K | — | New |
| Schonfeld Strategic Advisors LLC | 14.6K | $154K | — | New |
| Hara Capital LLC | 1.25K | $13.2K | $163 | Added$163 |
| Glazer Capital, LLC | 856.9K | $9.02K | $89 | Added$1.88K |
| Mint Tower Capital Management B.V. | 100K | $1.05K | $13 | Added$13 |
| MORGAN STANLEY | 70 | $737 | $9 | Cut−$241 |
Who left
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.