Stock Ownership/MOUNTAIN LAKE ACQUISIT CORP

MOUNTAIN LAKE ACQUISIT CORP: Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MOUNTAIN LAKE ACQUISIT CORP. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
11
13F filers
Aggregate Value
$82.7M
Across holders
Last Price
—
EOD close
Sector
—
GICS
Institutional Holders of MOUNTAIN LAKE ACQUISIT CORP
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11 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund2.10M$20.9M25.2%0.0%Unchanged+$0Q2 2026
Magnetar Financial LLC
CIK 0001352851
Hedge Fund2.00M$19.9M24.0%0.2%Unchanged+$0Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund1.08M$10.7M13.0%0.0%Added+$7.5MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund765K$7.6M9.2%0.0%New—Q2 2026
Verition Fund Management LLC
CIK 0001454027
Hedge Fund588K$5.8M7.1%0.0%Reduced$-3.1MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund568K$5.6M6.8%0.0%Unchanged+$0Q2 2026
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
Hedge Fund500K$5.0M6.0%0.1%New—Q2 2026
Sculptor Capital LP
CIK 0001054587
Hedge Fund428K$4.2M5.1%0.0%New—Q2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund235K$2.3M2.8%0.0%Added+$2.2MQ2 2026
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund50K$497K0.6%0.0%Reduced$-497KQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Unchanged
Hedge Fund
$20.9M· 25.2% of total· 0.0% port· 2.10M sh· +$0 QoQ· Q2 2026
Magnetar Financial LLCUnchanged
Hedge Fund
$19.9M· 24.0% of total· 0.2% port· 2.00M sh· +$0 QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$10.7M· 13.0% of total· 0.0% port· 1.08M sh· +$7.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCNew
Hedge Fund
$7.6M· 9.2% of total· 0.0% port· 765K sh· — QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$5.8M· 7.1% of total· 0.0% port· 588K sh· $-3.1M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPUnchanged
Hedge Fund
$5.6M· 6.8% of total· 0.0% port· 568K sh· +$0 QoQ· Q2 2026
MOORE CAPITAL MANAGEMENT, LPNew
Hedge Fund
$5.0M· 6.0% of total· 0.1% port· 500K sh· — QoQ· Q2 2026
Sculptor Capital LPNew
Hedge Fund
$4.2M· 5.1% of total· 0.0% port· 428K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$2.3M· 2.8% of total· 0.0% port· 235K sh· +$2.2M QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$497K· 0.6% of total· 0.0% port· 50K sh· $-497K QoQ· Q2 2026
CITADEL ADVISORS LLCNew
Hedge Fund
$159K· 0.2% of total· 0.0% port· 16K sh· — QoQ· Q2 2026
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