FUN β€” SIX FLAGS ENTERTAINMENT CORP

Ownership history in RUSH ISLAND MANAGEMENT, LP  Β·  3 quarters on record

This page tracks every 13F SEC filing in which RUSH ISLAND MANAGEMENT, LP reported a position in SIX FLAGS ENTERTAINMENT CORP (FUN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
7.45% (2025 Q2)
πŸ“Š Avg. % of fund
3.11%
πŸ“… First filed
2025 Q2
πŸ“… Last filed
2025 Q4
⏱ Quarters held
3

Position Intelligence

RUSH ISLAND MANAGEMENT, LP Γ— FUN AI Analytics

πŸ“‰ RUSH ISLAND MANAGEMENT, LP underperformed the S&P 500 by –137.2% annually on this FUN position. Average cost basis: $28.10. Maximum drawdown during holding period: –49.6%.

πŸ“ˆ Position Alpha vs SPY
-137.2%
annualised excess return

❌ Significantly underperformed the S&P 500 by 137.2% ann.
2 quarters analyzed

πŸ’° Entry Quality
$28.10
-45.4% vs current ($15.34)

Best entry: $15.34 (2025 Q4)  Β·  Worst: $30.43 (2025 Q2)

πŸ›‘οΈ Drawdown Resilience
–49.6%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
67%
buy-side decisions

2 adds Β· 1 trim. Bought during 1 of 2 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
↓ Shrinking
last 4–5 quarters trend

πŸ“‰ Portfolio weight has been declining in recent quarters. Possible distribution phase.
Currently 1.13% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    FUN price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 3 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 1,181,229 +694,108 +142.5% 1.13% $18.1M $15.34
2025 Q3 REDUCED 487,121 -3,306,963 -87.2% 0.76% $11.1M $22.72
2025 Q2 INITIATED 3,794,084 β€” β€” 7.45% $115.5M $30.43

🏒 Other funds also holding FUN

As of 2025 Q4 β€” sorted by position size

H PARTNERS MANAGEMENT, LLC 3Y 7Y 45.17% DENDUR CAPITAL LP 3Y 7.55% Land & Buildings Investment Management, LLC 3Y 7Y 4.44% 13D Management LLC 3Y 7Y 3.4% JANA Partners Management, LP 3.29% DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP 3Y 3.19% CASPIAN CAPITAL LP 3Y 7Y 2.8% Sachem Head Capital Management LP 3Y 7Y 1.81% Seven Six Capital Management, LLC 1.47% Chescapmanager LLC 3Y 7Y 1.43%
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