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Asset Manager ← All Institutions

MASON CAPITAL MANAGEMENT LLC

Q2 2026 · Filed 2026-08-14
Market Value
$607M
-1.0%
Holdings
9
-1
New Purchases
2
Added To
2
Closed
0
Reduced
1
Top 10 Concentration
100.0%
Turnover
22.2%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
GRPN 2.60% 0.00% +2.60% $16M
ATS 77.78% 75.48% +2.29% $472M
BKD 6.83% 4.99% +1.84% $41M
JELD 0.77% 0.16% +0.61% $5M
WISH 0.43% 0.00% +0.43% $3M
CCO 3.92% 3.80% +0.12% $24M
RC 1.25% 1.14% +0.10% $8M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
HSC 6.40% 14.39% -7.99% $39M
SBNY 0.03% 0.04% -0.01% $180K

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mid Cap 1 $41M 6.8%
Small Cap 4 $551M 90.7%
Micro Cap 4 $15M 2.5%

Portfolio Analytics

Avg Market Cap
$826M
Median Market Cap
$730M
Avg P/E
26.7
Median P/E
26.7
Avg Dividend Yield
0.00%
Avg Beta
2.08
# Stocks
9
# ETFs / Funds
0

Top Holdings (9 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 ATS 77.78% 16,404,170 $472M $28.78 $10M — —
2 BKD 6.83% 2,575,826 $41M $16.09 $11M +342,085 +15.3%
3 HSC 6.40% 1,770,959 $39M $21.95 -$49M -2,723,577 -60.6%
4 CCO 3.92% 9,828,401 $24M $2.42 $491K — —
5 GRPN 2.60% 657,144 $16M $24.06 — +657,144 — NEW
6 RC 1.25% 4,319,933 $8M $1.75 $562K — —
7 JELD 0.77% 3,109,621 $5M $1.50 $4M +2,332,736 +300.3%
8 WISH 0.43% 291,341 $3M $8.90 — +291,341 — NEW
9 SBNY 0.03% 400,000 $180K $0.45 -$80K — —

New Positions

SymbolValue% Port
GRPN $16M 2.60%
WISH $3M 0.43%
View SEC EDGAR Filings for MASON CAPITAL MANAGEMENT LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms