Latest MASON CAPITAL MANAGEMENT LLC Stock Portfolio
About MASON CAPITAL MANAGEMENT LLC and 13F Hedge Fund Stock Holdings
MASON CAPITAL MANAGEMENT LLC is a hedge fund based in NEW YORK, NY. On 28-Apr-2023, the fund reported that it had an AUM (Regulated Assets under Management) of $2.8 Billions. In it's latest 13F Holdings report, MASON CAPITAL MANAGEMENT LLC reported an equity portfolio of $491.4 Millions as of 30 Sep, 2025.
The top stock holdings of MASON CAPITAL MANAGEMENT LLC are , , BKD. The fund has invested 83% of it's portfolio in ATS CORPORATION and 8.6% of portfolio in KENVUE INC.
The fund managers got completely rid off COHEN CIRCLE ACQUISITION CORP stocks. MASON CAPITAL MANAGEMENT LLC opened new stock positions in KENVUE INC, BROOKDALE SENIOR LIVING INC (BKD) and MESA LABORATORIES INC (MLAB).
The top stock holdings of MASON CAPITAL MANAGEMENT LLC are , , BKD. The fund has invested 83% of it's portfolio in ATS CORPORATION and 8.6% of portfolio in KENVUE INC.
The fund managers got completely rid off COHEN CIRCLE ACQUISITION CORP stocks. MASON CAPITAL MANAGEMENT LLC opened new stock positions in KENVUE INC, BROOKDALE SENIOR LIVING INC (BKD) and MESA LABORATORIES INC (MLAB).
MASON CAPITAL MANAGEMENT LLC Annual Return Estimates Vs S&P 500
New Buys
| Ticker | $ Bought |
|---|---|
| kenvue inc | 42,116,800 |
| brookdale senior living inc | 20,971,400 |
| mesa laboratories inc | 4,710,800 |
New stocks bought by MASON CAPITAL MANAGEMENT LLC
Additions
Reductions
Sold off
| Ticker | $ Sold |
|---|---|
| cohen circle acquisition corp | -3,565,250 |
MASON CAPITAL MANAGEMENT LLC got rid off the above stocks
Sector Distribution
| Sector | % |
|---|---|
| Others | 91.6 |
| Healthcare | 4.3 |
| Communication Services | 3.2 |
Market Cap. Distribution
| Category | % |
|---|---|
| UNALLOCATED | 91.6 |
| SMALL-CAP | 8.4 |
Stocks belong to which Index?
| Index | % |
|---|---|
| Others | 91.6 |
| RUSSELL 2000 | 8.4 |
MASON CAPITAL MANAGEMENT LLC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of MASON CAPITAL MANAGEMENT LLC
Last Reported on: 14 Nov, 2025| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| BKD | brookdale senior living inc | 4.27 | 2,475,960 | 20,971,400 | new | |||
| CCO | clear channel outdoor hldgs | 3.16 | 9,828,400 | 15,528,900 | unchanged | 0.00 | ||
| MLAB | mesa laboratories inc | 0.96 | 70,300 | 4,710,800 | new | |||
| ats corporation | 82.99 | 15,563,600 | 407,765,000 | unchanged | 0.00 | |||
| kenvue inc | 8.57 | 2,595,000 | 42,116,800 | new | ||||
| signature bank | 0.05 | 400,000 | 260,000 | unchanged | 0.00 | |||
| cohen circle acquisition corp | 0.00 | 0.00 | 0.00 | sold off | -100 | |||