CoStar Group, Inc.
MX ˙ BMV ˙ US22160N1090
DIESES SYMBOL IST NICHT MEHR AKTIV
SecurityMX:CSGP / CoStar Group, Inc.
InstitutionFifth Third Bancorp
Latest Disclosed Ownership80,738 shares
Latest Disclosed Value $ 3,256,962
Fifth Third Bancorp reports 926.42% increase in ownership of CSGP / CoStar Group, Inc.

On May 1, 2026 - Fifth Third Bancorp filed a 13F-HR form disclosing ownership of 80,738 shares of CoStar Group, Inc. (MX:CSGP) valued at $3,256,962 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 7,866 shares of CoStar Group, Inc.. This represents a change in shares of 926.42% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-01 2026-03-31 13F COSTAR GROUP COM 22160N109 80,738 72,872 926.42 3,257 516.67 0.0060
2026-02-02 2025-12-31 13F COSTAR GROUP COM 22160N109 7,866 -3,998 -33.70 529 -47.20 0.0017
2025-11-07 2025-09-30 13F COSTAR GROUP COM 22160N109 11,864 -165 -1.37 1,001 3.41 0.0032
2025-07-15 2025-06-30 13F COSTAR GROUP COM 22160N109 12,029 1,961 19.48 967 21.33 0.0033
2025-04-15 2025-03-31 13F COSTAR GROUP COM 22160N109 10,068 2,430 31.81 798 45.97 0.0030
2025-01-21 2024-12-31 13F COSTAR GROUP COM 22160N109 7,638 -881 -10.34 547 -14.95 0.0020
2024-10-17 2024-09-30 13F COSTAR GROUP COM 22160N109 8,519 432 5.34 643 7.18 0.0023
2024-07-22 2024-06-30 13F COSTAR GROUP COM 22160N109 8,087 307 3.95 600 -20.24 0.0023
2024-04-23 2024-03-31 13F COSTAR GROUP COM 22160N109 7,780 385 5.21 752 16.25 0.0029
2024-01-19 2023-12-31 13F COSTAR GROUP COM 22160N109 7,395 1,018 15.96 646 31.84 0.0027
2023-10-31 2023-09-30 13F COSTAR GROUP COM 22160N109 6,377 1,004 18.69 490 2.51 0.0023
2023-07-26 2023-06-30 13F COSTAR GROUP COM 22160N109 5,373 659 13.98 478 47.53 0.0021
2023-04-24 2023-03-31 13F COSTAR GROUP COM 22160N109 4,714 -1,685 -26.33 325 -34.41 0.0015
2023-01-25 2022-12-31 13F COSTAR GROUP COM 22160N109 6,399 2,202 52.47 495 69.18 0.0024
2022-10-25 2022-09-30 13F COSTAR GROUP COM 22160N109 4,197 1,875 80.75 292 108.57 0.0015
2022-08-04 2022-06-30 13F COSTAR GROUP COM 22160N109 2,322 -15,716 -87.13 140 -88.35 0.0007
2022-04-19 2022-03-31 13F COSTAR GROUP COM 22160N109 18,038 -7,810 -30.22 1,202 -41.16 0.0049
2022-02-01 2021-12-31 13F COSTAR GROUP COM 22160N109 25,848 -582 -2.20 2,043 -10.20 0.0079
2021-10-15 2021-09-30 13F COSTAR GROUP COM 22160N109 26,430 -1,658 -5.90 2,275 -2.19 0.0099
2021-08-06 2021-06-30 13F COSTAR GROUP COM 22160N109 28,088 25,088 836.27 2,326 -5.68 0.0102
2021-05-07 2021-03-31 13F COSTAR GROUP COM 22160N109 3,000 -166 -5.24 2,466 -15.72 0.0114
2021-02-16 2020-12-31 13F COSTAR GROUP COM 22160N109 3,166 340 12.03 2,926 22.02 0.0144
2020-11-09 2020-09-30 13F COSTAR GROUP COM 22160N109 2,826 403 16.63 2,398 39.26 0.0133
2020-08-05 2020-06-30 13F COSTAR GROUP COM 22160N109 2,423 1,131 87.54 1,722 126.88 0.0103
2020-05-05 2020-03-31 13F COSTAR GROUP COM 22160N109 1,292 -7,687 -85.61 759 -85.87 0.0054
2020-02-14 2019-12-31 13F COSTAR GROUP COM 22160N109 8,979 8,842 6,454.01 5,372 6,532.10 0.0299
2019-11-14 2019-09-30 13F COSTAR GROUP COM 22160N109 137 8 6.20 81 14.08 0.0005
2019-08-07 2019-06-30 13F COSTAR GROUP COM 22160N109 129 4 3.20 71 22.41 0.0004
2019-05-14 2019-03-31 13F COSTAR GROUP COM 22160N109 125 0 0.00 58 38.10 0.0004
2019-02-14 2018-12-31 13F COSTAR GROUP COM 22160N109 125 -2 -1.57 42 -20.75 0.0003
2018-11-14 2018-09-30 13F COSTAR GROUP COM 22160N109 127 -106 -45.49 53 -44.79 0.0003
2018-08-14 2018-06-30 13F COSTAR GROUP COM 22160N109 233 225 2,812.50 96 3,100.00 0.0007
2018-05-15 2018-03-31 13F COSTAR GROUP COM 22160N109 8 -387 -97.97 3 -97.44 0.0000
2018-02-14 2017-12-31 13F COSTAR GROUP COM 22160N109 395 87 28.25 117 40.96 0.0008
2017-11-14 2017-09-30 13F COSTAR GROUP COM 22160N109 308 0 0.00 83 2.47 0.0006
2017-08-11 2017-06-30 13F COSTAR GROUP COM 22160N109 308 -93 -23.19 81 -2.41 0.0006
2017-05-12 2017-03-31 13F COSTAR GROUP COM 22160N109 401 -8 -1.96 83 7.79 0.0006
2017-02-13 2016-12-31 13F/A-1 COSTAR GROUP COM 22160N109 409 -486 -54.30 77 -60.31 0.0006
2017-02-09 2016-12-31 13F COSTAR GROUP COM 22160N109 895 0 194 0.0016
2016-11-10 2016-09-30 13F COSTAR GROUP COM 22160N109 895 441 97.14 194 95.96 0.0016
2016-08-11 2016-06-30 13F COSTAR GROUP COM 22160N109 454 -3 -0.66 99 15.12 0.0008
2016-05-13 2016-03-31 13F COSTAR GROUP COM 22160N109 457 11 2.47 86 -6.52 0.0007
2016-02-16 2015-12-31 13F COSTAR GROUP COM 22160N109 446 0 0.00 92 19.48 0.0008
2015-11-13 2015-09-30 13F COSTAR GROUP COM 22160N109 446 0 0.00 77 -14.44 0.0007
2015-08-14 2015-06-30 13F COSTAR GROUP COM 22160N109 446 -198 -30.75 90 -29.13 0.0008
2015-05-14 2015-03-31 13F COSTAR GROUP COM 22160N109 644 -87 -11.90 127 -5.22 0.0011
2015-02-13 2014-12-31 13F COSTAR GROUP COM 22160N109 731 -1,095 -59.97 134 -52.82 0.0011
2014-11-17 2014-09-30 13F COSTAR GROUP COM 22160N109 1,826 662 56.87 284 54.35 0.0026
2014-08-14 2014-06-30 13F COSTAR GROUP COM 22160N109 1,164 -135 -10.39 184 -24.28 0.0017
2014-05-15 2014-03-31 13F COSTAR GROUP COM 22160N109 1,299 -525 -28.78 243 -27.89 0.0023
2014-02-14 2013-12-31 13F COSTAR GROUP COM 22160N109 1,824 13 0.72 337 10.86 0.0033
2013-11-14 2013-09-30 13F COSTAR GROUP COM 22160N109 1,811 -246 -11.96 304 14.72 0.0031
2013-08-14 2013-06-30 13F COSTAR GROUP COM 22160N109 2,057 2,057 265 0.0028
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.