CSGP
Costar Group, Inc.Company with tickers: CSGP
CIK
1057352
CUSIP
22160N109
Shares Outstanding
408,355,715
13F Activity (30d)
390 filings
378 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-18 | 8,561,224 | 5,476,539 | 14,037,763 | 58.7% |
| 2026-05-11 | 12,006,163 | 17,449,145 | 29,455,308 | 91.7% |
| 2026-05-04 | 7,757,119 | 6,440,301 | 14,197,420 | 49.3% |
| 2026-04-27 | 11,662,037 | 7,674,888 | 19,336,925 | 61.2% |
| 2026-04-20 | 6,191,595 | 2,922,651 | 9,114,246 | 39.5% |
| 2026-04-13 | 9,581,536 | 6,211,020 | 15,792,556 | 51.6% |
| 2026-04-06 | 7,429,101 | 3,518,589 | 10,947,690 | 41.1% |
| 2026-03-30 | 5,330,047 | 3,869,872 | 9,199,919 | 39.3% |
| 2026-03-23 | 8,697,521 | 3,991,785 | 12,689,306 | 44.1% |
| 2026-03-16 | 6,797,408 | 7,241,056 | 14,038,464 | 35.1% |
Showing 1–10 of 10 weeks