CSGP — COSTAR GROUP INC

Ownership history in Archon Partners LLC  ·  21 quarters on record

This page tracks every 13F SEC filing in which Archon Partners LLC reported a position in COSTAR GROUP INC (CSGP). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
2.51% (2022 Q4)
Avg. % of fund
1.8%
First filed
2020 Q1
Last filed
2025 Q3
Quarters held
21
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 REDUCED 54,000 -98,000 -64.5% 0.48% $4.6M $84.37
2024 Q4 REDUCED 152,000 -33,500 -18.1% 1.27% $10.9M $71.59
2024 Q3 UNCHANGED 185,500 — 0% 1.62% $14.0M $75.44
2024 Q2 UNCHANGED 185,500 — 0% 1.77% $13.8M $74.14
17 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    CSGP price (monthly, adj. close)

Other funds also holding CSGP

As of 2025 Q4 — 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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