MASON CAPITAL MANAGEMENT LLC — 13F holdings

MASON CAPITAL MANAGEMENT LLC reported 9 holdings worth $607M in its 13F filing for Q2 2026, filed August 14, 2026.

Largest positions

1. ATS ATS CORPORATION — $472M (77.8%)
2. BKD BROOKDALE SR LIVING INC — $41.4M (6.8%)
3. ENVIRI CORP — $38.9M (6.4%)
4. CCO CLEAR CHANNEL OUTDOOR HLDGS — $23.8M (3.9%)
5. GRPN GROUPON INC — $15.8M (2.6%)
6. RC READY CAPITAL CORP — $7.56M (1.2%)
7. JELD JELD-WEN HLDG INC — $4.66M (0.8%)
8. LOGC CONTEXTLOGIC HLDGS INC COM — $2.59M (0.4%)
9. SBNY SIGNATURE BANK — $180K (0.0%)