Fund Universe

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☆MASON CAPITAL MANAGEMENT LLC

CIK 0001218735 · holdings for 2026Q2 (change vs 2026Q1) · in signal universe
Quality Q
0.910
AUM ($M)
607
Positions
9
Turnover
0.08
Top-10 wt
100%
Herfindahl
0.616
History (qtrs)
6
Excess Return
+51.9%

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Quarter
Activity this period
Security type

Holdings · 9 positions · portfolio value $607M

TickerNameActivitySecurity Type WeightΔ Weight Value ($M)SharesΔ Shares Qtrs HeldExcess Return
☆ATS funds › ATS CORPORATION HOLD — 77.8% +2.3% 472.1 16,404,170 +0 5 —
☆BKD funds › BROOKDALE SENIOR LIVING INC ADD — 6.8% +1.8% 41.4 2,575,826 +342,085 4 +51.2%
☆CUSIP:415864107 funds › ENVIRI CORP TRIM — 6.4% -8.0% 38.9 1,770,959 -2,723,577 2 —
☆CCO funds › CLEAR CHANNEL OUTDOOR HLDGS HOLD — 3.9% +0.1% 23.8 9,828,401 +0 5 —
☆GRPN funds › GROUPON INC NEW — 2.6% +2.6% 15.8 657,144 +657,144 1 +145.9%
☆RC funds › READY CAPITAL CORP HOLD — 1.2% +0.1% 7.6 4,319,933 +0 3 -57.2%
☆JELD funds › JELD-WEN HOLDING INC ADD — 0.8% +0.6% 4.7 3,109,621 +2,332,736 2 -47.4%
☆CUSIP:21078F109 funds › CONTEXTLOGIC HOLDINGS INC NEW — 0.4% +0.4% 2.6 291,341 +291,341 1 —
☆SBNY funds › SIGNATURE BANK HOLD — 0.0% -0.0% 0.2 400,000 +0 5 —

Point-in-time history

Each row is this fund as of that period, not as of today — what the scoring for that quarter actually saw.
PeriodAUM ($M)Positions TurnoverTop-10 wtHerfindahl Quality Q Skill Universe
2026Q2 607 9 0.08 100% 0.616 0.909 — in
2026Q1 613 7 0.15 100% 0.595 0.858 — in
2025Q4 562 9 0.15 100% 0.593 0.814 — in
2025Q3 491 6 0.15 100% 0.699 0.811 — in
2025Q2 512 4 0.06 100% 0.941 0.915 — entered
2025Q1 427 5 0.00 100% 0.829 0.000 — out
Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status