13F

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
InvestorSharesValueEst. markChange
TENOR CAPITAL MANAGEMENT Co., L.P.2M$21.1M$260.2KAdded$260.2K
Magnetar Financial LLC1.9M$20M$266KAdded$266K
BERKLEY W R CORP1.88M$19.8M$47.2KAdded$16M
MIZUHO SECURITIES USA LLC1.71M$18M$126.1KAdded$8.03M
Polar Asset Management Partners Inc.1.5M$15.8M$192.5KAdded$375K
AQR Arbitrage LLC1.41M$14.8M$182.7KAdded$185.5K
First Trust Capital Management L.P.980.4K$10.3M$127.5KAdded$127.5K
Alberta Investment Management Corp980K$10.3M$127.4KAdded$127.4K
WOLVERINE ASSET MANAGEMENT LLC971.8K$10.2M$125.3KAdded$213.7K
Westchester Capital Management, LLC887.7K$9.35M$115.4KAdded$115.4K
Linden Advisors LP875K$9.21M$113.7KAdded$113.8K
Karpus Management, Inc.620.2K$6.53M$80.7KAdded$80.7K
CoinFund Management LLC566K$5.96M$60KAdded$1.17M
RIVERNORTH CAPITAL MANAGEMENT, LLC500K$5.27M$65KAdded$65K
LMR Partners LLP497K$5.23M$64.7KAdded$64.7K
Crossingbridge Advisors, LLC442.5K$4.66MNew
GOLDMAN SACHS GROUP INC424.4K$4.47M$55.2KAdded$55.2K
TORONTO DOMINION BANK350K$3.69M$45.5KCut−$304.9K
RLH Capital LLC312.5K$3.29MHeld
WHITEBOX ADVISORS LLC300K$3.16M$39KAdded$39K
Hudson Bay Capital Management LP260.4K$2.74M$33.9KAdded$33.9K
MOORE CAPITAL MANAGEMENT, LP200K$2.11M$26KAdded$26K
Shaolin Capital Management LLC200K$2.11M$26KCut−$2.05M
Jain Global LLC196.8K$2.07M$25.6KCut−$1.83M
D. E. Shaw & Co., Inc.193.7K$2.04M$25.2KAdded$25.2K
Radcliffe Capital Management, L.P.193.1K$2.03M$25.1KAdded$25.1K
Ghisallo Capital Management LLC200K$2.02M$25KAdded$25K
L1 Global Manager Pty Ltd170K$1.79M$22.1KAdded$22.1K
Quarry LP162.5K$1.71M$19.5KAdded$151.6K
ARISTEIA CAPITAL, L.L.C.150K$1.58M$19.5KAdded$19.5K
PICTON MAHONEY ASSET MANAGEMENT150K$1.58M$19.5KAdded$19.5K
O'Connor Alternative Investments LLC149.9K$1.58MHeld
MILLENNIUM MANAGEMENT LLC147.3K$1.55M$19.2KCut−$190.4K
Periscope Capital Inc.125K$1.32M$16.3KCut−$1.28M
DLD Asset Management, LP124.8K$1.31M$16.2KAdded$16.2K
UBS Group AG120.5K$1.27M$15.7KCut−$907.7K
Feynman Point Asset Management LLC100K$1.05M$13KAdded$13K
JPMORGAN CHASE & CO49.9K$526.1K$6.98KAdded$7.44K
DELTEC ASSET MANAGEMENT LLC40K$421.2K$5.2KAdded$5.2K
Clear Street Group Inc.36.7K$386.4K$4.77KAdded$4.77K
Wellspring Financial Advisors, LLC35K$368.6K$4.55KAdded$4.55K
Rangeley Capital, LLC15K$158KNew
Schonfeld Strategic Advisors LLC14.6K$154KNew
Hara Capital LLC1.25K$13.2K$163Added$163
Glazer Capital, LLC856.9K$9.02K$89Added$1.88K
Mint Tower Capital Management B.V.100K$1.05K$13Added$13
MORGAN STANLEY70$737$9Cut−$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.