CSGP
Costar Group, Inc.Company with tickers: CSGP
CIK
1057352
CUSIP
22160N109
Shares Outstanding
408,355,715
13F Activity (30d)
430 filings
418 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% |
| 2026-03-09 | 7,520,066 | 3,350,972 | 10,871,038 | 40.3% |
| 2026-03-02 | 6,271,779 | 4,441,172 | 10,712,951 | 41.0% |
| 2026-02-23 | 11,814,229 | 4,026,846 | 15,841,075 | 39.5% |
| 2026-02-16 | 6,982,902 | 4,818,306 | 11,801,208 | 39.4% |
| 2026-02-09 | 10,699,884 | 6,277,688 | 16,977,572 | 46.3% |
| 2026-02-02 | 13,296,912 | 5,708,547 | 19,005,459 | 43.1% |
| 2026-01-26 | 11,805,098 | 5,144,770 | 16,949,868 | 47.6% |
| 2026-01-19 | 6,540,451 | 4,296,002 | 10,836,453 | 44.5% |
| 2026-01-12 | 12,013,855 | 9,812,701 | 21,826,556 | 50.9% |
| 2026-01-05 | 12,160,021 | 4,714,448 | 16,874,469 | 45.2% |
| 2025-12-29 | 2,352,016 | 3,713,301 | 6,065,317 | 48.8% |
| 2025-12-22 | 2,136,567 | 2,892,282 | 5,028,849 | 47.3% |
| 2025-12-15 | 7,552,045 | 6,087,431 | 13,639,476 | 41.2% |
| 2025-12-08 | 3,363,177 | 2,287,720 | 5,650,897 | 36.4% |
| 2025-12-01 | 2,525,490 | 2,729,623 | 5,255,113 | 37.9% |
| 2025-11-24 | 4,691,840 | 3,195,878 | 7,887,718 | 39.8% |
| 2025-11-17 | 5,501,143 | 3,731,710 | 9,232,853 | 41.2% |
| 2025-11-10 | 5,071,177 | 3,319,991 | 8,391,168 | 41.0% |
| 2025-11-03 | 7,446,261 | 4,883,558 | 12,329,819 | 48.7% |
| 2025-10-27 | 11,204,115 | 5,153,371 | 16,357,486 | 48.1% |
| 2025-10-20 | 2,830,121 | 1,482,117 | 4,312,238 | 38.7% |
| 2025-10-13 | 3,973,423 | 1,898,563 | 5,871,986 | 39.9% |
| 2025-10-06 | 4,368,912 | 2,900,484 | 7,269,396 | 44.2% |
| 2025-09-29 | 4,268,035 | 1,820,521 | 6,088,556 | 42.4% |
| 2025-09-22 | 4,876,719 | 1,617,370 | 6,494,089 | 42.7% |
| 2025-09-15 | 3,246,420 | 2,645,225 | 5,891,645 | 36.6% |
| 2025-09-08 | 3,810,436 | 1,037,556 | 4,847,992 | 39.4% |
| 2025-09-01 | 1,842,822 | 1,102,390 | 2,945,212 | 39.4% |
| 2025-08-25 | 2,295,327 | 1,415,584 | 3,710,911 | 38.0% |
| 2025-08-18 | 3,330,097 | 2,218,156 | 5,548,253 | 42.7% |
| 2025-08-11 | 5,406,840 | 2,220,352 | 7,627,192 | 41.1% |
| 2025-08-04 | 3,335,433 | 2,011,802 | 5,347,235 | 42.6% |
| 2025-07-28 | 4,804,180 | 1,537,453 | 6,341,633 | 39.4% |
| 2025-07-21 | 5,945,783 | 2,328,767 | 8,274,550 | 39.3% |
| 2025-07-14 | 2,511,670 | 1,347,925 | 3,859,595 | 37.1% |
| 2025-07-07 | 2,880,306 | 1,414,700 | 4,295,006 | 35.7% |
| 2025-06-30 | 2,673,347 | 1,567,970 | 4,241,317 | 41.9% |
| 2025-06-23 | 3,341,121 | 2,679,259 | 6,020,380 | 42.4% |
| 2025-06-16 | 2,918,248 | 2,090,128 | 5,008,376 | 36.0% |
Showing 1–49 of 49 weeks