CoStar Group Inc (CSGP) Ownership

92.65 ↑2.31 (2.56%)

As of April 26, 2024, 3:59pm EST.

Institutions
Mutual Funds

Institutional Ownership

Vanguard Group Inc is the biggest individual institutional holder of CoStar Group Inc (CSGP), owning a total of 64.9 million shares. Combined, the top 32 institutional holders of CSGP own 78.20% of the company with a total of 319.3 million shares.

In the latest ownership report on December 31st 2023, the top 32 institutional holders increased their combined ownership of CSGP by 6 million shares. 13 institutions bought 11,988,503 total additional shares and increased their ownership by an average of 19.56%. However 7 institutions sold 6,009,439 total shares and decreased their ownership by an average of 9.89%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of CoStar Group increased by a net total of 5,979,064 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	15.893%	0.001%	64,909,799	790	2023-12-31
BlackRock Inc	8.944%	10.105%	36,527,891	3,352,400	2023-12-31
Principal Financial Group Inc	4.850%	-0.013%	19,805,733	-2,573	2023-12-31
BAMCO Inc	4.748%	1.015%	19,391,283	194,781	2023-12-31
State Street Corporation	3.873%	5.834%	15,816,290	871,783	2023-12-31
Massachusetts Financial Services Company	2.896%	-1.173%	11,826,704	-140,336	2023-12-31
Geode Capital Management, LLC	2.559%	1.742%	10,450,445	178,942	2023-12-31
HHG PLC	2.457%	11.695%	10,034,463	1,050,656	2023-12-31
Baillie Gifford & Co Limited.	2.332%	-18.168%	9,524,096	-2,114,502	2023-12-31
Macquarie Group Ltd	2.160%	-0.966%	8,821,063	-86,040	2023-12-31
Akre Capital Management, LLC	1.777%	0.089%	7,255,669	6,443	2023-12-31
T. Rowe Price Investment Management,Inc.	1.652%	-12.051%	6,745,035	-924,235	2023-12-31
Bank of New York Mellon Corp	1.508%	11.406%	6,158,646	630,548	2023-12-31
Goldman Sachs Group Inc	1.470%	153.139%	6,003,636	3,631,959	2023-12-31
Sands Capital Management, LLC	1.376%	-29.127%	5,620,801	-2,310,039	2023-12-31
Artisan Partners Limited Partnership	1.258%	-7.751%	5,138,004	-431,714	2023-12-31
NORGES BANK	1.140%	12.152%	4,656,533	504,536	2023-12-31
Blair William & Co	1.076%	4.819%	4,392,978	201,969	2023-12-31
Brown Advisory Holdings Inc	1.015%	10.119%	4,144,721	380,859	2023-12-31
Capital Research & Mgmt Co - Division 3	0.988%	32.184%	4,036,609	982,837	2023-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	15.893%	0.001%	64,909,799	790	2023-12-31
BlackRock Inc	8.944%	10.105%	36,527,891	3,352,400	2023-12-31
Principal Financial Group Inc	4.850%	-0.013%	19,805,733	-2,573	2023-12-31
BAMCO Inc	4.748%	1.015%	19,391,283	194,781	2023-12-31
State Street Corporation	3.873%	5.834%	15,816,290	871,783	2023-12-31
Massachusetts Financial Services Company	2.896%	-1.173%	11,826,704	-140,336	2023-12-31
Geode Capital Management, LLC	2.559%	1.742%	10,450,445	178,942	2023-12-31
HHG PLC	2.457%	11.695%	10,034,463	1,050,656	2023-12-31
Baillie Gifford & Co Limited.	2.332%	-18.168%	9,524,096	-2,114,502	2023-12-31
Macquarie Group Ltd	2.160%	-0.966%	8,821,063	-86,040	2023-12-31
Parnassus Investments, LLC	2.099%	1.001%	8,534,488	84,603	2022-09-30
Akre Capital Management, LLC	1.777%	0.089%	7,255,669	6,443	2023-12-31
Franklin Resources Inc	1.752%	-21.853%	7,153,631	-2,000,379	2023-03-31
T. Rowe Price Investment Management,Inc.	1.652%	-12.051%	6,745,035	-924,235	2023-12-31
T. Rowe Price Associates, Inc.	1.635%	-24.119%	6,678,381	-2,122,766	2022-12-31
Bank of New York Mellon Corp	1.508%	11.406%	6,158,646	630,548	2023-12-31
Goldman Sachs Group Inc	1.470%	153.139%	6,003,636	3,631,959	2023-12-31
Sands Capital Management, LLC	1.376%	-29.127%	5,620,801	-2,310,039	2023-12-31
Findlay Park Partners LLP	1.305%	-22.792%	5,307,777	-1,566,832	2022-09-30
Artisan Partners Limited Partnership	1.258%	-7.751%	5,138,004	-431,714	2023-12-31
NORGES BANK	1.140%	12.152%	4,656,533	504,536	2023-12-31
Blair William & Co	1.076%	4.819%	4,392,978	201,969	2023-12-31
Brown Advisory Holdings Inc	1.015%	10.119%	4,144,721	380,859	2023-12-31
American Century Companies Inc	1.007%	-2.831%	4,114,129	-119,877	2022-12-31
Capital Research & Mgmt Co - Division 3	0.988%	32.184%	4,036,609	982,837	2023-12-31
Bank of America Corp	0.967%	7.899%	3,948,031	289,029	2023-09-30
Ownership Capital BV	0.957%	-2.913%	3,907,967	-117,237	2023-06-30
Ameriprise Financial Inc	0.949%	-15.910%	3,873,418	-732,842	2023-03-31
Northern Trust Corp	0.939%	2.463%	3,835,126	92,169	2023-09-30
Amvescap Plc.	0.902%	8.022%	3,681,970	273,439	2023-09-30
Vulcan Value Partners, LLC	0.882%	-28.520%	3,588,199	-1,431,644	2022-09-30
Wellington Management Company LLP	0.832%	-3.454%	3,384,298	-121,072	2022-09-30

Mutual Fund Ownership

Vanguard Real Estate Index Investor is the biggest individual fund holder of CoStar Group Inc (CSGP), owning a total of 16.8 million shares. Combined, the top 30 mutual fund holders of CSGP own 51.27% of the company with a total of 209.3 million shares.

In the latest ownership report on March 31st 2024, the top 30 fund holders increased their combined ownership of CSGP by 122 thousand shares. 4 funds bought 240,529 total additional shares and increased their ownership by an average of 0.49%. However 5 funds sold 362,489 total shares and decreased their ownership by an average of 0.95%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding CoStar Group decreased by a net total of -121,960 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Real Estate Index Investor	4.105%	0.597%	16,764,351	99,559	2024-03-31
Principal Aligned MidCap Equity	2.658%	0.190%	10,856,912	20,553	2024-03-31
Principal MidCap R5	2.658%	0.224%	10,856,912	24,232	2024-03-31
Vanguard Institutional 500 Index Trust	2.520%	0.943%	10,292,469	96,185	2024-03-31
Vanguard Mid Cap Index Institutional	2.172%	-2.786%	8,871,098	-254,253	2024-03-31
Invesco QQQ Trust	1.875%	0.000%	7,655,513	0	2024-03-31
Baron Partners Retail	1.792%	-0.408%	7,320,000	-30,000	2024-03-31
Baron Growth Retail	1.259%	-0.388%	5,140,000	-20,000	2024-03-31
Baron Small Cap Growth Strategy	1.259%	-0.388%	5,140,000	-20,000	2024-03-31
SPDR® S&P 500 ETF Trust	1.204%	-0.771%	4,918,203	-38,236	2024-03-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Real Estate Index Investor	4.105%	0.597%	16,764,351	99,559	2024-03-31
Vanguard Total Stock Mkt Idx Inv	3.134%	-0.216%	12,797,841	-27,653	2024-02-29
Vanguard Instl Ttl Stck Mkt Idx Tr	3.086%	1.916%	12,602,550	236,890	2023-03-31
Principal Aligned MidCap Equity	2.658%	0.190%	10,856,912	20,553	2024-03-31
Principal MidCap R5	2.658%	0.224%	10,856,912	24,232	2024-03-31
PGI Mid-Cap Equity	2.567%	0.152%	10,482,124	15,926	2023-06-30
Vanguard Institutional 500 Index Trust	2.520%	0.943%	10,292,469	96,185	2024-03-31
Vanguard 500 Index Investor	2.409%	0.555%	9,835,904	54,252	2023-08-31
Vanguard Mid Cap Index Institutional	2.172%	-2.786%	8,871,098	-254,253	2024-03-31
Invesco QQQ Trust	1.875%	0.000%	7,655,513	0	2024-03-31
Baron Partners Retail	1.792%	-0.408%	7,320,000	-30,000	2024-03-31
Akre Focus Instl	1.677%	0.000%	6,850,530	0	2024-01-31
MFS Growth Equity	1.329%	-1.700%	5,426,386	-93,842	2023-12-31
Findlay Park American ICAV USD	1.305%	-16.422%	5,307,777	-1,042,870	2022-09-30
MFS Growth B	1.285%	-1.038%	5,248,609	-55,028	2024-02-29
Baron Growth Retail	1.259%	-0.388%	5,140,000	-20,000	2024-03-31
Baron Small Cap Growth Strategy	1.259%	-0.388%	5,140,000	-20,000	2024-03-31
Janus Concentrated Growth CF	1.246%	9.695%	5,087,778	449,657	2023-12-31
Janus Henderson Forty S	1.246%	0.000%	5,087,778	0	2024-02-29
SPDR® S&P 500 ETF Trust	1.204%	-0.771%	4,918,203	-38,236	2024-03-31
Fidelity 500 Index	1.199%	1.017%	4,897,680	49,285	2024-02-29
Fidelity® 500 Index	1.165%	0.640%	4,758,272	30,280	2023-11-30
Parnassus Core Equity Investor	1.170%	0.000%	4,756,075	0	2022-10-31
Sands Select Growth Equity	1.128%	1,709.820%	4,586,662	4,333,230	2022-12-31
BlackRock Mid-Cap Growth Equity Instl	1.075%	11.424%	4,389,825	450,076	2024-02-29
iShares Core S&P 500 ETF	1.037%	0.740%	4,233,127	31,104	2024-03-28
T. Rowe Price New Horizons	0.984%	-26.728%	4,000,413	-1,459,256	2022-12-31
Vanguard Growth Index Investor	0.929%	0.884%	3,795,756	33,251	2024-02-29
T. Rowe Price US Mid-Cap Growth Equity	0.899%	-0.439%	3,672,300	-16,200	2023-09-30
T. Rowe Price Mid-Cap Growth	0.899%	-0.439%	3,672,300	-16,200	2023-09-30