Back to funds
View filing
MASON CAPITAL MANAGEMENT LLC
hedge fundUpdated 28 days agoManaged by Mason Capital Management Llc • Latest filing Q2 2026
Portfolio value
$607M
Q2 2026
Filings
14
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
34.1%
Implied from 13F holdings
Portfolio value history
13F-disclosed portfolio value over 14 quarters
Show data table
| Period | Portfolio value |
|---|---|
| Q1 2023 | $234.2M |
| Q2 2023 | $1B |
| Q3 2023 | $1.2B |
| Q4 2023 | $893.9M |
| Q1 2024 | $727.8M |
| Q2 2024 | $538.2M |
| Q3 2024 | $502.6M |
| Q4 2024 | $470.5M |
| Q1 2025 | $427.2M |
| Q2 2025 | $511.5M |
| Q3 2025 | $491.4M |
| Q4 2025 | $561.6M |
| Q1 2026 | $612.9M |
| Q2 2026 | $607M |
Top holdings
9 positions as of Q2 2026
| # | Stock | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|---|
| 1 | A AZZ ATS CORPORATION | $472.1M | 16.40M | 77.78% | Unchanged |
| 2 | B BKD BROOKDALE SENIOR LIVING INC | $41.4M | 2.58M | 6.83% | Added(+15.3%) |
| 3 | N NVRI ENVIRI CORP | $38.9M | 1.77M | 6.40% | Trimmed(-60.6%) |
| 4 | C CCO CLEAR CHANNEL OUTDOOR HLDGS | $23.8M | 9.83M | 3.92% | Unchanged |
| 5 | G GRPN GROUPON INC | $15.8M | 657.1K | 2.60% | — |
| 6 | R RC-PC READY CAPITAL CORP | $7.6M | 4.32M | 1.25% | Unchanged |
| 7 | J JELD JELD-WEN HOLDING INC | $4.7M | 3.11M | 0.77% | Added(+300.3%) |
| 8 | L LOGC CONTEXTLOGIC HOLDINGS INC | $2.6M | 291.3K | 0.43% | — |
| 9 | ? N/A SIGNATURE BANK | $180K | 400.0K | 0.03% | Unchanged |