CSGP β€” COSTAR GROUP INC COM

Ownership history in Brookstone Capital Management  Β·  3 quarters on record

This page tracks every 13F SEC filing in which Brookstone Capital Management reported a position in COSTAR GROUP INC COM (CSGP). 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
0.01% (2025 Q3)
πŸ“Š Avg. % of fund
0.0%
πŸ“… First filed
2015 Q2
πŸ“… Last filed
2025 Q3
⏱ Quarters held
3

Position Intelligence

Brookstone Capital Management Γ— CSGP AI Analytics

πŸ“ˆ Brookstone Capital Management outperformed the S&P 500 by +136.8% annually on this CSGP position. Average cost basis: $84.32. Maximum drawdown during holding period: –14.0%.

πŸ“ˆ Position Alpha vs SPY
+136.8%
annualised excess return

πŸ”₯ Exceptional β€” beat the S&P 500 by 136.8% per year on this position.
2 quarters analyzed

πŸ’° Entry Quality
$84.32
+0.1% vs current ($84.37)

Best entry: $20.13 (2015 Q2)  Β·  Worst: $84.37 (2025 Q3)

πŸ›‘οΈ Drawdown Resilience
–14.0%
max drawdown while held

πŸ’Ž No drawdown exceeding 20% during the holding period β€” exceptionally stable.

πŸ’ͺ Fund Conviction
100%
buy-side decisions

2 adds Β· 0 trims. Bought during 0 of 1 down-price quarters. πŸ‚ Consistently bullish β€” fund kept accumulating this position.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.01% 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)    CSGP price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 3 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 5,495 +5,491 +137275.0% 0.01% $464K $84.37
2015 Q3 UNCHANGED 4 β€” 0% 0.00% $1K $17.31
2015 Q2 INITIATED 4 β€” β€” 0.00% $1K $20.13

🏒 Other funds also holding CSGP

As of 2025 Q4 β€” sorted by position size

ShawSpring Partners LLC 3Y 7Y 12.12% AKRE CAPITAL MANAGEMENT LLC 3Y 7Y 7.09% RGM Capital, LLC 3Y 7Y 6.51% TradeLink Capital LLC 3Y 7Y 6.11% MIZUHO MARKETS AMERICAS LLC 3Y 5.74% Vulcan Value Partners, LLC 3Y 7Y 5.54% Visualize Group LP 5.38% Spyglass Capital Management LLC 3Y 7Y 5.31% SG Capital Management LLC 3Y 7Y 5.24% Petrus Trust Company, LTA 3Y 7Y 4.28%
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