§ 13F · FUND PROFILE
MASON CAPITAL MANAGEMENT LLC.
AUM · $607M (13F)Positions · 9Turnover · n/a · Q2Filed · Aug 14, 2026
CONCENTRATION
n/a
Top 10 holdings
NEW BUYS
0
+$18M deployed
EXITS
0
No exits
SECTOR SHIFT
n/a
No prior quarter data
§ 01 · TOP HOLDINGS
The book · Q2 2026
FILED AUG 14, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q2 |
|---|---|---|---|---|---|---|
| 1 | ATS | ATS CORPORATION | 16.40M | $472M | 77.8% | ±0% |
| 2 | BKD | BROOKDALE SENIOR LIVING INC | 2.58M | $41M | 6.8% | +15% |
| 3 | NVRI | ENVIRI CORP | 1.77M | $39M | 6.4% | −61% |
| 4 | CCO | CLEAR CHANNEL OUTDOOR HLDGS | 9.83M | $24M | 3.9% | ±0% |
| 5 | GRPN | GROUPON INC | 657K | $16M | 2.6% | NEW |
| 6 | RC | READY CAPITAL CORP | 4.32M | $8M | 1.2% | ±0% |
| 7 | JELD | JELD-WEN HOLDING INC | 3.11M | $5M | 0.8% | +300% |
| 8 | LOGC | CONTEXTLOGIC HOLDINGS INC | 291K | $3M | 0.4% | NEW |
| 9 | SBNY | SIGNATURE BANK | 400K | $180K | 0.0% | ±0% |
§ 02 · SECTOR ALLOCATION
Where the money is
Sector data pending
§ 03 · THE MASON SIGNAL
AC read
MASON CAPITAL MANAGEMENT LLC is a Other fund managing $607 million in assets. The fund runs a focused portfolio of just 9 positions.
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