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MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in CSGP — Costar Group, Inc.

CIK 912938 Boston, MA

Position in CSGP

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$84,506,000
+$45,937,089 QoQ
Shares Held
2,983,969
+212.1% QoQ
Ownership
0.736%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#28
of 749 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 87% Shared 13% None 0%

Common Shares in CSGP Over Time

Shares Held

Position Value (USD)

Position in Real Estate Services

Real Estate · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $415,656,136 across 6 Real Estate Services names. CSGP ranks #2 (20.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 CSGP
Costar Group, Inc.
This page
2,983,969 $84,506,000

All Filings in CSGP

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $84,506,000 2,983,969
2026-03-31 $38,568,911 956,096
2025-12-31 $212,473,354 3,159,925
2025-09-30 $624,910,700 7,406,788
2025-06-30 $529,488,429 6,585,677
2025-03-31 $524,460,764 6,619,472
2024-12-31 $507,841,059 7,093,743
2024-09-30 $858,521,682 11,380,192
2024-06-30 $844,052,165 11,384,572
2024-03-31 $1,111,181,973 11,502,919
2023-12-31 $1,033,535,661 11,826,704
2023-09-30 $920,145,704 11,967,040
2023-06-30 $1,011,969,605 11,370,445
2023-03-31 $794,704,496 11,542,549
2022-12-31 $860,082,270 11,129,429
2022-09-30 $730,806,105 10,492,550
2022-06-30 $602,038,867 9,965,881
2022-03-31 $620,584,585 9,316,688
2021-12-31 $702,682,281 8,891,336
2021-09-30 $728,325,261 8,462,994
2021-06-30 $708,487,000 8,554,540
2021-03-31 $713,573,114 868,210
2020-12-31 $801,191,782 866,828
2020-09-30 $634,186,554 747,412
2020-06-30 $426,490,118 600,124
2020-03-31 $300,261,610 511,336