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MLAA

Mountain Lake Acquisition Corp II
MLAA

59 hedge funds and large institutions have $324M invested in Mountain Lake Acquisition Corp II in 2026 Q2 according to their latest regulatory filings, with 32 funds opening new positions, 6 increasing their positions, 10 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

700% more first-time investments, than exits

New positions opened: 32 | Existing positions closed: 4

95% more capital invested

Capital invested by funds: $166M → $324M (+$157M)

90% more funds holding

Funds holding: 3159 (+28)

42.47% more ownership

Funds ownership: 45.7%88.18% (+42%)

40% less repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 10

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
59
Holders Change
+28
Holders Change %
+90.32%
% of All Funds
0.71%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
32
Increased
6
Reduced
10
Closed
4
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AC
1
Aristeia Capital
Connecticut
$21.7M +$21.8M +2,189,405 New
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$20.9M
MF
3
Magnetar Financial
Illinois
$19.9M
AIMCA
4
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$17.4M +$17.4M +1,750,000 New
LA
5
Linden Advisors
New York
$14.9M
AA
6
AQR Arbitrage
Connecticut
$14.4M +$14.4M +1,449,082 New
HCM
7
Highbridge Capital Management
New York
$13M +$10.3M +1,032,456 +373%
KC
8
Kryger Capital
United Kingdom
$12.6M +$12.7M +1,270,887 New
LP
9
LMR Partners
United Kingdom
$12.4M +$12.5M +1,250,000 New
D.E. Shaw & Co
10
D.E. Shaw & Co
New York
$10.7M +$7.52M +754,999 +232%
TCM
11
Tenor Capital Management
New York
$10.5M
SAMU
12
SONA Asset Management (US)
New York
$9.93M
FBCM
13
Fort Baker Capital Management
California
$9.93M +$9.97M +1,000,000 New
GCL
14
Glazer Capital LLC
New York
$9.43M -$213K -21,419 -2%
WCMNY
15
Westchester Capital Management (New York)
New York
$8.48M +$8.51M +853,517 New
PAMP
16
Polar Asset Management Partners
Ontario, Canada
$7.94M -$1.99M -200,000 -20%
Millennium Management
17
Millennium Management
New York
$7.6M +$7.62M +765,000 New
BNP Paribas Financial Markets
18
BNP Paribas Financial Markets
France
$7.38M +$7.4M +742,958 New
FTCM
19
First Trust Capital Management
Illinois
$5.96M +$5.98M +600,000 New
Verition Fund Management
20
Verition Fund Management
Connecticut
$5.83M -$3.11M -312,410 -35%
Two Sigma Investments
21
Two Sigma Investments
New York
$5.64M
RCM
22
Rivernorth Capital Management
Florida
$4.98M +$4.98M +499,531 New
PMAM
23
Picton Mahoney Asset Management
Ontario, Canada
$4.97M +$4.98M +500,000 New
MI
24
MMCAP International
Cayman Islands
$4.96M +$4.98M +500,000 New
MCM
25
Moore Capital Management
New York
$4.96M +$4.98M +500,000 New

MLAA Hedge Fund Activity: Q2 2026 in Review

59 of the 8,269 institutional investors tracked by Wall St. Rank reported a position in Mountain Lake Acquisition Corp II (MLAA) for Q2 2026, worth a combined $324M — up 95% from $166M a quarter earlier.

Buyers outnumbered sellers: 32 funds opened new MLAA positions and 4 closed out — a net gain of 28 holders — while 6 added to existing stakes and 10 trimmed.

The largest buyer was Aristeia Capital, opening a new position worth an estimated $21.8M. The largest seller was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, exiting entirely with an estimated $12.3M sold.

  • 59 institutional investors held Mountain Lake Acquisition Corp II (MLAA) as of Q2 2026, up from 31 in Q1 2026.
  • Funds reported $324M of Mountain Lake Acquisition Corp II stock for Q2 2026, up 95% quarter-over-quarter.
  • 32 funds opened new Mountain Lake Acquisition Corp II positions in Q2 2026 and 4 closed out, a net change of +28 holders.
  • The largest Mountain Lake Acquisition Corp II buyer in Q2 2026 was Aristeia Capital, an estimated $21.8M added.
  • The largest Mountain Lake Acquisition Corp II seller in Q2 2026 was Healthcare of Ontario Pension Plan (HOOPP) Trust Fund, an estimated $12.3M sold.

Based on aggregated 13F filings for Q2 2026.