Universe · entity
MASON CAPITAL MANAGEMENT LLC
Institutional manager (13F) · CIK 1218735
13F holdings · as of 2026-03-31 · top 7 · reported portfolio $613M
| # | Issuer | Value | Shares |
|---|---|---|---|
| 1 | ATS CORPORATION | $463M | 16,404,170 |
| 2 | ENVIRI CORP | $88M | 4,494,536 |
| 3 | BROOKDALE SENIOR LIVING INC | $31M | 2,233,741 |
| 4 | CLEAR CHANNEL OUTDOOR HLDGS | $23M | 9,828,401 |
| 5 | READY CAPITAL CORP | $7M | 4,319,933 |
| 6 | JELD-WEN HOLDING INC | $963k | 776,885 |
| 7 | SIGNATURE BANK | $260k | 400,000 |
Source: sec_edgar_13f · public regulatory · retrieved 2026-06-29. Public SEC data; no contact information.