CSGP

Costar Group, Inc.

Company with tickers: CSGP

CIK

1057352

CUSIP

22160N109

Shares Outstanding

408,355,715

13F Activity (30d)

582 filings 565 filers

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-05-29	759,781	2,275	2,296,710	33.1%
2026-05-28	612,507	5,023	2,979,299	20.6%
2026-05-27	688,817	1,625	1,779,250	38.7%
2026-05-26	913,191	412	1,870,649	48.8%
2026-05-22	792,288	1,296	1,722,816	46.0%
2026-05-21	862,523	9	2,065,995	41.7%
2026-05-20	473,367	4,433	1,589,029	29.8%
2026-05-19	1,119,958	0	2,719,616	41.2%
2026-05-18	875,151	1,111	3,660,444	23.9%
2026-05-15	1,806,530	4,933	3,141,687	57.5%
2026-05-14	1,308,191	1,882	3,141,641	41.6%
2026-05-13	1,088,391	4,411	2,796,487	38.9%
2026-05-12	1,249,197	14,055	3,356,842	37.2%
2026-05-11	1,501,534	443	3,192,473	47.0%
2026-05-08	1,331,925	278	2,522,034	52.8%
2026-05-07	868,965	1,834	2,308,284	37.6%
2026-05-06	705,493	14,603	1,807,350	39.0%
2026-05-05	855,100	3,393	1,945,676	43.9%
2026-05-04	788,911	740	1,998,635	39.5%
2026-05-01	723,349	146,547	2,721,797	26.6%
2026-04-30	795,302	212	2,514,981	31.6%
2026-04-29	3,971,002	550	6,320,983	62.8%
2026-04-28	856,489	21,075	2,515,863	34.0%
2026-04-27	792,438	621	2,076,668	38.2%
2026-04-24	462,478	2,329	1,402,852	33.0%
2026-04-23	1,162,236	5,105	2,625,980	44.3%
2026-04-22	432,641	706	1,567,812	27.6%
2026-04-21	288,866	0	1,313,340	22.0%
2026-04-20	523,083	3,973	1,545,626	33.8%
2026-04-17	651,656	8,025	1,400,080	46.5%
2026-04-16	1,356,462	460	2,532,696	53.6%
2026-04-15	776,348	13,306	1,934,582	40.1%
2026-04-14	1,154,538	360	2,911,091	39.7%
2026-04-13	1,563,838	491	5,353,184	29.2%
2026-04-10	981,232	5,369	2,145,209	45.7%
2026-04-09	1,101,508	4	2,257,077	48.8%
2026-04-08	1,092,892	46,084	2,391,331	45.7%
2026-04-07	787,438	428	1,924,348	40.9%
2026-04-06	777,098	471	1,714,377	45.3%