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JANUS HENDERSON GROUP PLC

Position in CSGP — Costar Group, Inc.

CIK 1274173 LONDON, X0

Position in CSGP

as of Mar 31, 2026 · filed May 18, 2026
Position Value
$311,592,290
-$190,917,780 QoQ
Shares Held
7,724,152
+3.4% QoQ
Ownership
1.91%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0% Shared 97% None 3%

Common Shares in CSGP Over Time

Shares Held

Position Value (USD)

Position in Real Estate Services

Real Estate · as of Mar 31, 2026

JANUS HENDERSON GROUP PLC holds $823,301,407 across 12 Real Estate Services names. CSGP ranks #1 (37.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 CSGP
Costar Group, Inc.
This page
7,724,152 $311,592,290

All Filings in CSGP

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $311,592,290 7,724,152
2025-12-31 $502,510,070 7,473,380
2025-09-30 $524,512,003 6,216,807
2025-06-30 $324,480,488 4,035,827
2025-03-31 $4,196,099 52,961
2024-12-31 $4,182,859 58,428
2024-09-30 $499,958,154 6,627,229
2024-06-30 $898,171,252 12,114,530
2024-03-31 $1,140,655,407 11,808,027
2023-12-31 $876,911,719 10,034,463
2023-09-30 $690,764,918 8,983,807
2023-06-30 $985,367,238 11,071,542
2023-03-31 $900,647,916 13,081,306
2022-12-31 $1,004,509,473 12,998,311
2022-09-30 $1,010,678,890 14,510,824
2022-06-30 $885,457,399 14,657,464
2022-03-31 $993,863,961 14,920,642
2021-12-31 $956,734,651 12,105,968
2021-09-30 $1,003,389,719 11,659,188
2021-06-30 $970,482,358 11,717,971
2021-03-31 $1,235,522,580 1,503,270
2020-12-31 $1,196,060,836 1,294,046
2020-09-30 $1,136,515,506 1,339,425
2020-06-30 $1,086,349,350 1,528,627
2020-03-31 $838,229,943 1,427,479