CSGP — COSTAR GROUP INC

Ownership history in Spyglass Capital Management LLC  ·  9 quarters on record

This page tracks every 13F SEC filing in which Spyglass Capital Management 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
5.31% (2025 Q4)
Avg. % of fund
4.36%
First filed
2023 Q4
Last filed
2025 Q4
Quarters held
9
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 1,578,449 +575,732 +57.4% 5.31% $106.1M $67.24
2025 Q3 ADDED 1,002,717 +199,435 +24.8% 4.51% $84.6M $84.37
2025 Q2 ADDED 803,282 +307,424 +62.0% 3.81% $64.6M $80.40
2025 Q1 REDUCED 495,858 -725,749 -59.4% 2.70% $39.3M $79.23
5 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% SG Capital Management LLC 3Y 7Y 5.24% Petrus Trust Company, LTA 3Y 7Y 4.28% Ulysses Management LLC 3Y 7Y 4.09%
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