Q2 2025 · 13F-HR
MASON CAPITAL MANAGEMENT LLCholdings as filed
Filed 2025-08-14 · accession 0001104659-25-078546
$511.5M
Reported value
4
Positions
2025-06-30
Period end
The Brief · MASON CAPITAL MANAGEMENT LLC · Q2 2025
AI · grounded in 13F
MASON CAPITAL MANAGEMENT LLC established a new position in ATS valued at $496.2M. The fund also added new holdings in CCO for $11.5M and CCIR for $3.6M. A final new position was opened in SBNY totaling $300,000.
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 00217Y104 | ATS | ATS CORPORATION | $496.2M | 97.0% | 15,563,568 | Common | SOLE |
| 18453H106 | CCO | CLEAR CHANNEL OUTDOOR HLDGS | $11.5M | 2.25% | 9,828,401 | Common | SOLE |
| G3730H106 | CCIR | COHEN CIRCLE ACQUISITION CORP | $3.6M | 0.70% | 325,000 | Common | SOLE |
| 82669G104 | SBNY | SIGNATURE BANK | $300,000 | 0.06% | 400,000 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.