SEIC · Sei Investments Co
$106.38
-0.01 (0.00%)
At close · Aug 14
Market Cap
$12.77B
Shares
120.02M
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 |
|---|---|---|---|---|
| 2026-07-06 | 1,022,038 | 354,577 | 1,376,615 | 40.9% |
| 2026-06-29 | 827,738 | 209,513 | 1,037,251 | 41.6% |
| 2026-06-22 | 732,799 | 455,079 | 1,187,878 | 35.2% |
| 2026-06-15 | 691,161 | 305,566 | 996,727 | 28.2% |
| 2026-06-08 | 657,580 | 264,301 | 921,881 | 35.3% |
| 2026-06-01 | 714,223 | 254,652 | 968,875 | 34.0% |
| 2026-05-25 | 591,925 | 284,889 | 876,814 | 30.9% |
| 2026-05-18 | 926,711 | 258,352 | 1,185,063 | 38.5% |
| 2026-05-11 | 795,082 | 363,791 | 1,158,873 | 36.0% |
| 2026-05-04 | 1,088,492 | 286,996 | 1,375,488 | 41.8% |
| 2026-04-27 | 1,720,840 | 456,745 | 2,177,585 | 39.4% |
| 2026-04-20 | 2,470,514 | 1,223,334 | 3,693,848 | 42.9% |
| 2026-04-13 | 1,271,586 | 701,007 | 1,972,593 | 40.7% |
| 2026-04-06 | 1,453,376 | 838,358 | 2,291,734 | 42.8% |
| 2026-03-30 | 899,531 | 297,624 | 1,197,155 | 43.4% |
| 2026-03-23 | 805,030 | 530,113 | 1,335,143 | 36.2% |
| 2026-03-16 | 704,316 | 455,878 | 1,160,194 | 28.4% |
| 2026-03-09 | 1,718,464 | 501,970 | 2,220,434 | 43.0% |
| 2026-03-02 | 1,388,660 | 788,090 | 2,176,750 | 43.8% |
| 2026-02-23 | 902,532 | 465,555 | 1,368,087 | 39.2% |
| 2026-02-16 | 532,234 | 309,146 | 841,380 | 32.9% |
| 2026-02-09 | 1,292,242 | 516,434 | 1,808,676 | 37.8% |
| 2026-02-02 | 1,299,842 | 358,323 | 1,658,165 | 38.3% |
| 2026-01-26 | 1,456,658 | 664,874 | 2,121,532 | 41.9% |
| 2026-01-19 | 462,492 | 230,924 | 693,416 | 37.8% |
| 2026-01-12 | 666,459 | 296,497 | 962,956 | 38.2% |
| 2026-01-05 | 700,987 | 332,166 | 1,033,153 | 34.3% |
| 2025-12-29 | 651,135 | 199,817 | 850,952 | 40.8% |
| 2025-12-22 | 528,546 | 226,529 | 755,075 | 38.8% |
| 2025-12-15 | 808,647 | 499,681 | 1,308,328 | 31.4% |
| 2025-12-08 | 790,945 | 358,779 | 1,149,724 | 38.6% |
| 2025-12-01 | 617,210 | 353,348 | 970,558 | 39.8% |
| 2025-11-24 | 381,602 | 334,188 | 715,790 | 38.2% |
| 2025-11-17 | 808,294 | 343,924 | 1,152,218 | 35.1% |
| 2025-11-10 | 759,871 | 267,489 | 1,027,360 | 38.6% |
| 2025-11-03 | 705,539 | 284,789 | 990,328 | 37.2% |
| 2025-10-27 | 796,718 | 429,110 | 1,225,828 | 37.8% |
| 2025-10-20 | 1,249,396 | 405,905 | 1,655,301 | 39.3% |
| 2025-10-13 | 839,543 | 308,814 | 1,148,357 | 32.7% |
| 2025-10-06 | 865,561 | 674,941 | 1,540,502 | 44.1% |
| 2025-09-29 | 973,938 | 298,050 | 1,271,988 | 34.9% |
| 2025-09-22 | 981,519 | 249,034 | 1,230,553 | 29.3% |
| 2025-09-15 | 1,101,414 | 845,856 | 1,947,270 | 36.6% |
| 2025-09-08 | 772,383 | 224,005 | 996,388 | 33.9% |
| 2025-09-01 | 680,092 | 381,672 | 1,061,764 | 37.0% |
| 2025-08-25 | 742,247 | 231,841 | 974,088 | 34.1% |
| 2025-08-18 | 752,705 | 373,492 | 1,126,197 | 39.8% |
Showing 1–47 of 47 weeks
Key facts
CIK
350894
CUSIP
784117103
13F (30d)
543 filings
518 filers
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