Stock

Costar Group, Inc.

CSGP · held by 30 managers

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Reported value

$1.16B

Holders

+1 new · −0 exited

Holders’ est. mark

$5.18M

Price effect on 13 books still in the name

Largest holder

$720.8M

MORGAN STANLEY

Holder count by quarter

Q1 2018 Q2 2019 Q3 2019 Q4 2019 Q2 2020 Q3 2020 Q4 2020 Q1 2021 Q2 2021 Q3 2021 Q4 2021 Q1 2022 Q4 2022 Q1 2023 Q2 2023 Q3 2023 Q4 2023 Q1 2024 Q2 2024 Q3 2024 Q4 2024 Q1 2025 Q2 2025 Q3 2025 Q4 2025 Q1 2026

Who holds it

Notable only

Investor	Shares	Value	Est. mark	Change
MORGAN STANLEY	8.54M	$720.8M	—	Held
BANK OF AMERICA CORP /DE/	3.7M	$311.9M	—	Held
BARCLAYS PLC	1.27M	$106.8M	$4.65M	Added$12.6M
SUMMIT WEALTH GROUP LLC / CO	110.8K	$4.75M	—	Held
OP Asset Management Ltd	49.1K	$4.15M	$195.1K	Cut−$543.1K
Swiss Life Asset Management Ltd	39.8K	$3.36M	$140.5K	Added$511.1K
Sanctuary Advisors, LLC	30.1K	$2.54M	$91.7K	Added$683.5K
MIRABELLA FINANCIAL SERVICES LLP	16.3K	$1.38M	—	Held
GROUPAMA ASSET MANAGMENT	10.9K	$921K	—	Held
Cresset Asset Management, LLC	7.47K	$630.2K	$25.5K	Added$113.3K
Prestige Wealth Management Group LLC	6.02K	$508.2K	$22.9K	Added$44.7K
AXS Investments LLC	5.87K	$495K	—	Held
Ramiah Investment Group	5.36K	$452K	$20.4K	Added$38.6K
HOWARD BAILEY SECURITIES, LLC	5.16K	$435.3K	$20.5K	Added$2.88K
Allworth Financial LP	3.75K	$316K	—	Held
Savant Capital, LLC	3.66K	$309K	$14.4K	Added$16.5K
Keel Point, LLC	3.21K	$270.7K	—	Held
INDEPENDENT FINANCIAL GROUP, LLC	2.57K	$216.6K	—	New
Essential Partners LLC	632	$53.3K	$123	Added$50.8K
Leonteq Securities AG	154	$13K	$611	Cut−$113.2K
IFP Advisors, Inc	143	$12.1K	—	Held
MV CAPITAL MANAGEMENT, INC.	135	$11.4K	—	Held
Aventura Private Wealth, LLC	122	$10.3K	$484	Added$484
KBC Group NV	97.2K	$8.2K	—	Held
Principia Wealth Advisory, LLC	78	$6.58K	—	Held
Kilter Group LLC	75	$6.33K	—	Held
Cape Investment Advisory, Inc.	27	$2.28K	—	Held
NEW MEXICO EDUCATIONAL RETIREMENT BOARD	19.1K	$1.61K	—	Held
Clark Wealth Partners	3	$202	−$39	Cut−$441
Scarborough Advisors, LLC	1	$84	—	Held

Positions as of Q3 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.