SEC Form 13F

MASON CAPITAL MANAGEMENT LLC 13F Holdings

Report period2026-06-30
Publicly available2026-08-15
Reported value$607,022,468
Positions9

Largest disclosed positions

IssuerTickerClassReported valueReported amount
ATS CORPORATIONATSCOM$472,112,01316,404,170
BROOKDALE SENIOR LIVING INCBKDCOM$41,445,0402,575,826
ENVIRI CORPUnresolvedCOM$38,872,5501,770,959
CLEAR CHANNEL OUTDOOR HLDGSCCOCOM$23,784,7309,828,401
GROUPON INCGRPNCOM$15,810,885657,144
READY CAPITAL CORPRCREIT$7,559,8834,319,933
JELD-WEN HOLDING INCJELDCOM$4,664,4323,109,621
CONTEXTLOGIC HOLDINGS INCLOGCCOM$2,592,935291,341
SIGNATURE BANKUnresolvedCOM$180,000400,000

Public filing evidence only. NexusTrade's simulated follower strategies are hypothetical, modeled results — not live trading returns and not investment advice.

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