CoStar Group, Inc.

Historical 13F Holders

Symbol
CSGP
CUSIP
22160N109
All holders as of
Q1 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings
Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q1 827 402 M $16.2 B
2025 Q4 895 411 M $27.6 B
2025 Q3 958 417 M $35.1 B
2025 Q2 919 427 M $34.4 B
2025 Q1 902 430 M $34.1 B
2024 Q4 844 410 M $29.3 B
2024 Q3 813 401 M $30.2 B
2024 Q2 808 400 M $29.7 B
2024 Q1 800 416 M $40.1 B
2023 Q4 773 401 M $35.0 B
2023 Q3 723 393 M $30.2 B
2023 Q2 752 401 M $35.6 B
2023 Q1 724 392 M $26.9 B
2022 Q4 734 410 M $31.7 B
2022 Q3 663 417 M $29.1 B
2022 Q2 615 383 M $23.2 B
2022 Q1 619 379 M $25.2 B
2021 Q4 661 383 M $30.2 B
2021 Q3 616 376 M $32.3 B
2021 Q2 632 375 M $31.1 B
2021 Q1 621 38.0 M $31.2 B
2020 Q4 639 38.7 M $35.9 B
2020 Q3 596 37.9 M $32.1 B
2020 Q2 575 37.8 M $26.9 B
2020 Q1 526 35.6 M $20.9 B
2019 Q4 505 35.3 M $21.1 B
2019 Q3 501 34.8 M $20.7 B
2019 Q2 468 35.4 M $19.5 B
2019 Q1 448 35.7 M $16.6 B
2018 Q4 397 35.7 M $12.1 B
2018 Q3 421 36.5 M $15.3 B
2018 Q2 392 36.2 M $15.0 B
2018 Q1 373 35.7 M $12.9 B
2017 Q4 352 36.2 M $10.8 B
2017 Q3 343 36.1 M $9.69 B
2017 Q2 304 32.6 M $8.60 B
2017 Q1 290 33.0 M $6.85 B
2016 Q4 297 33.4 M $6.30 B
2016 Q3 248 33.1 M $7.16 B
2016 Q2 255 33.9 M $7.36 B
2016 Q1 233 34.2 M $6.44 B
2015 Q4 228 34.4 M $7.12 B
2015 Q3 228 35.4 M $6.13 B
2015 Q2 220 33.1 M $6.67 B
2015 Q1 222 33.9 M $6.71 B
2014 Q4 222 34.0 M $6.24 B
2014 Q3 215 33.3 M $5.18 B
2014 Q2 246 32.5 M $5.16 B
2014 Q1 248 27.9 M $5.22 B