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CIK: 0001218735
Total reported value
$607.0M
$607.0M
6 檔
80.9%
During the Q3 2025 filing period, Mason Capital Management LLC (CIK: 0001218735) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $607.0M across 6 reported positions.
In Q3 2025, Mason Capital Management LLC displayed an active expansion posture, initiating 3 new positions and adding to 0 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ATS | Ats CORP | Stock-Other | 82.99% | +2.30% | — | |
| 2 | KVUE | Kenvue Inc | Stock-Consumer Staples | 8.57% | — | — | |
| 3 | BKD | Brookdale Senior Living Inc | Stock-Other | 4.27% | +1.84% | — | |
| 4 | CCO | Clear Channel Outdoor Holdin | Stock-Other | 3.16% | +0.12% | — | |
| 5 | MLAB | Mesa Laboratories Inc | Stock-Other | 0.96% | — | — | |
| 6 | SBNY | Signature Bank | Stock-Financials | 0.05% | -0.01% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | CCO | Clear Channel Outdoor Holdin | +0.6% | — | Unchanged |
| 2 | SBNY | Signature Bank | 0% | — | Unchanged |
| 3 | ATS | Ats CORP | -7.8% | — | Unchanged |
| 4 | KVUE | Kenvue Inc | — | NEW | New buy |
| 5 | 0VVB | Paramount Global-class B | — | EXIT | Sold out |
| 6 | BKD | Brookdale Senior Living Inc | — | NEW | New buy |
| 7 | MLAB | Mesa Laboratories Inc | — | NEW | New buy |
| 8 | ✓ | Cohen Circle Acquisition Cor | — | EXIT | Sold out |
According to official SEC Form 13F filings, Mason Capital Management LLC reported a total U.S. public equity portfolio value of $607.0M across 6 disclosed positions in Q3 2025.
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In terms of portfolio concentration, the top 5 core holdings (including ATS, KVUE, BKD) accounted for 80.9% of total reported equity market value during Q3 2025.
Top New Position Initiated
KVUE
市值: $42.1M
Top Position Liquidated / Trimmed
0VVB
前期市值: $24.2M
During Q3 2025, Mason Capital Management LLC's top holdings by market value included ATS (83.0%)、KVUE (8.6%)、BKD (4.3%). The largest single position, ATS, represented 83.0% of total portfolio value.
In Q3 2025, Mason Capital Management LLC made 5 total portfolio adjustments, initiating 3 new buys, adding to 0 positions, trimming 0 holdings, and fully liquidating 2 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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