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Night Owl Capital Management, LLC

Position in CSGP — Costar Group, Inc.

CIK 1410833 GREENWICH, CT

Position in CSGP

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,139,866
-$1,267,036 QoQ
Shares Held
110,871
+1.5% QoQ
Ownership
0.027%
of shares outstanding
% of Portfolio
0.33%
of 13F equity value
Holder Rank
#203
of 747 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 39% Shared 0% None 61%

Common Shares in CSGP Over Time

Shares Held

Position Value (USD)

Position in Real Estate Services

Real Estate · as of Jun 30, 2026

Night Owl Capital Management, LLC holds $3,139,866 across 1 Real Estate Services name. CSGP ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CSGP
Costar Group, Inc.
This page
110,871 $3,139,866

All Filings in CSGP

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,139,866 110,871
2026-03-31 $4,406,902 109,244
2025-12-31 $7,303,272 108,615
2025-09-30 $9,087,577 107,711
2025-06-30 $8,594,197 106,893
2025-03-31 $8,227,322 103,841
2024-12-31 $7,277,051 101,649
2024-09-30 $7,461,166 98,902
2024-06-30 $7,224,349 97,442
2024-03-31 $9,539,250 98,750
2023-12-31 $8,258,442 94,501
2023-09-30 $7,266,181 94,501
2023-06-30 $8,418,421 94,589
2023-03-31 $6,667,640 96,843
2022-12-31 $7,496,314 97,002
2022-09-30 $19,446,280 279,200
2022-06-30 $16,084,102 266,249
2022-03-31 $18,772,363 281,825
2021-12-31 $19,669,223 248,883
2021-09-30 $8,702,645 101,123
2021-06-30 $8,192,554 98,920
2021-03-31 $8,179,449 9,952
2020-12-31 $8,324,065 9,006
2020-09-30 $7,449,069 8,779
2020-06-30 $5,854,499 8,238
2020-03-31 $4,830,389 8,226