Filed: 2/14/2025ACC: 0001104659-25-014023
📋 What this filing means
MASON CAPITAL MANAGEMENT LLC filed this quarterly 13F‑HR report disclosing 4 equity positions with a total reported market value of $470.52M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
4
Positions
$470.52M
Total AUM (reported)
25.42M
Total Shares
Allocation by class
COM$468.61M99.6%
REIT$1.90M0.4%
Portfolio Concentration
Top 3$469.97M99.9%
4–10$548.0K0.1%
Top 3 weight
99.9%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 25.42M
Sole
Full voting authority
25.42M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole4
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings4
Rows:
ATS CORPORATION
SOLEShares14.91M
TypeSH
Market value$454.60M
96.62%
Sole
14.91M
Shared
0.00
None
0.00
CLEAR CHANNEL OUTDOOR HLDGS
SOLEShares9.83M
TypeSH
Market value$13.46M
2.86%
Sole
9.83M
Shared
0.00
None
0.00
READY CAPITAL CORP
SOLEShares278.86K
TypeSH
Market value$1.90M
0.40%
Sole
278.86K
Shared
0.00
None
0.00
SIGNATURE BANK
SOLEShares400K
TypeSH
Market value$548.0K
0.12%
Sole
400K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ATS CORPORATIONSOLE | COM | 14.91M | SH | $454.60M 96.62% | 14.91M | 0.00 | 0.00 |
CLEAR CHANNEL OUTDOOR HLDGSSOLE | COM | 9.83M | SH | $13.46M 2.86% | 9.83M | 0.00 | 0.00 |
READY CAPITAL CORPSOLE | REIT | 278.86K | SH | $1.90M 0.40% | 278.86K | 0.00 | 0.00 |
SIGNATURE BANKSOLE | COM | 400K | SH | $548.0K 0.12% | 400K | 0.00 | 0.00 |