CoStar Group, Inc.
MX ˙ BMV ˙ US22160N1090
DETTE SYMBOL ER IKKE LÆNGERE AKTIVT
SecurityMX:CSGP / CoStar Group, Inc.
InstitutionRonald Blue Trust, Inc.
Latest Disclosed Ownership248 shares
Latest Disclosed Value $ 10,005
Ronald Blue Trust, Inc. reports 115.65% increase in ownership of CSGP / CoStar Group, Inc.

On April 20, 2026 - Ronald Blue Trust, Inc. filed a 13F-HR form disclosing ownership of 248 shares of CoStar Group, Inc. (MX:CSGP) valued at $10,005 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 16, 2026 disclosing 115 shares of CoStar Group, Inc.. This represents a change in shares of 115.65% 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)
2026-04-20 2026-03-31 13F COSTAR GROUP COM 22160N109 248 133 115.65 10 42.86 0.0001
2026-01-16 2025-12-31 13F COSTAR GROUP COM 22160N109 115 -75 -39.47 8 -56.25 0.0001
2025-10-16 2025-09-30 13F COSTAR GROUP COM 22160N109 190 8 4.40 16 14.29 0.0002
2025-07-24 2025-06-30 13F COSTAR GROUP COM 22160N109 182 17 10.30 15 7.69 0.0002
2025-04-21 2025-03-31 13F COSTAR GROUP COM 22160N109 165 -101 -37.97 13 -31.58 0.0002
2025-01-30 2024-12-31 13F/A-1 COSTAR GROUP COM 22160N109 266 -2,713 -91.07 19 -91.36 0.0002
2025-01-22 2024-12-31 13F COSTAR GROUP COM 22160N109 2,982 3 225 0.0012
2024-10-17 2024-09-30 13F COSTAR GROUP COM 22160N109 2,979 1,899 175.83 221 111.54 0.0029
2024-07-18 2024-06-30 13F COSTAR GROUP COM 22160N109 1,080 898 493.41 104 511.76 0.0014
2024-05-01 2024-03-31 13F COSTAR GROUP COM 22160N109 182 -129 -41.48 18 0.0002
2024-01-18 2023-12-31 13F COSTAR GROUP COM 22160N109 311 173 125.36 0 0.0004
2023-10-11 2023-09-30 13F COSTAR GROUP COM 22160N109 138 39 39.39 0 0.0002
2023-07-14 2023-06-30 13F COSTAR GROUP COM 22160N109 99 -3 -2.94 0 0.0001
2023-04-17 2023-03-31 13F COSTAR GROUP COM 22160N109 102 25 32.47 0 0.0001
2023-01-17 2022-12-31 13F COSTAR GROUP COM 22160N109 77 40 108.11 0 -100.00 0.0001
2022-10-21 2022-09-30 13F COSTAR GROUP COM 22160N109 37 15 68.18 2 100.00 0.0000
2022-08-09 2022-06-30 13F COSTAR GROUP COM 22160N109 22 22 1 0.0000
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.