TNDM · Tandem Diabetes Care Inc
$17.92
-1.67 (-8.52%)
At close · Aug 6
Earnings today
Market Cap
$1.34B
Shares
68.53M
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 |
|---|---|---|---|---|
| 2026-06-29 | 1,339,266 | 917,247 | 2,256,513 | 40.6% |
| 2026-06-22 | 3,161,842 | 2,896,505 | 6,058,347 | 43.8% |
| 2026-06-15 | 1,526,346 | 1,647,776 | 3,174,122 | 38.6% |
| 2026-06-08 | 3,682,857 | 2,369,492 | 6,052,349 | 42.9% |
| 2026-06-01 | 3,795,712 | 3,594,288 | 7,390,000 | 52.3% |
| 2026-05-25 | 3,500,714 | 3,300,920 | 6,801,634 | 53.8% |
| 2026-05-18 | 3,772,899 | 3,084,133 | 6,857,032 | 52.0% |
| 2026-05-11 | 5,281,528 | 3,495,671 | 8,777,199 | 50.1% |
| 2026-05-04 | 4,968,914 | 3,531,001 | 8,499,915 | 50.0% |
| 2026-04-27 | 2,353,863 | 1,640,858 | 3,994,721 | 46.1% |
| 2026-04-20 | 1,942,828 | 1,202,374 | 3,145,202 | 42.2% |
| 2026-04-13 | 2,483,920 | 1,461,974 | 3,945,894 | 48.1% |
| 2026-04-06 | 1,906,257 | 978,316 | 2,884,573 | 40.5% |
| 2026-03-30 | 1,862,566 | 842,366 | 2,704,932 | 39.9% |
| 2026-03-23 | 2,850,245 | 1,557,755 | 4,408,000 | 45.9% |
| 2026-03-16 | 3,265,882 | 2,372,896 | 5,638,778 | 47.4% |
| 2026-03-09 | 2,863,120 | 1,536,390 | 4,399,510 | 48.7% |
| 2026-03-02 | 2,043,019 | 1,907,777 | 3,950,796 | 44.9% |
| 2026-02-23 | 6,096,918 | 8,241,298 | 14,338,216 | 56.4% |
| 2026-02-16 | 5,628,340 | 4,451,658 | 10,079,998 | 57.8% |
| 2026-02-09 | 1,486,092 | 470,719 | 1,956,811 | 40.1% |
| 2026-02-02 | 1,474,784 | 728,374 | 2,203,158 | 44.3% |
| 2026-01-26 | 1,663,327 | 1,416,451 | 3,079,778 | 45.8% |
| 2026-01-19 | 1,688,213 | 966,450 | 2,654,663 | 46.8% |
| 2026-01-12 | 1,845,040 | 1,223,406 | 3,068,446 | 47.9% |
| 2026-01-05 | 2,038,093 | 1,120,562 | 3,158,655 | 42.9% |
| 2025-12-29 | 800,477 | 526,155 | 1,326,632 | 40.6% |
| 2025-12-22 | 1,131,936 | 580,045 | 1,711,981 | 41.0% |
| 2025-12-15 | 1,835,826 | 2,560,339 | 4,396,165 | 46.3% |
| 2025-12-08 | 2,396,414 | 2,308,593 | 4,705,007 | 51.9% |
| 2025-12-01 | 2,590,538 | 1,371,817 | 3,962,355 | 44.7% |
| 2025-11-24 | 2,110,983 | 3,151,209 | 5,262,192 | 56.2% |
| 2025-11-17 | 3,498,539 | 5,513,495 | 9,012,034 | 56.0% |
| 2025-11-10 | 4,016,264 | 2,294,391 | 6,310,655 | 45.0% |
| 2025-11-03 | 4,536,650 | 2,107,809 | 6,644,459 | 45.0% |
| 2025-10-27 | 1,998,958 | 1,432,362 | 3,431,320 | 46.0% |
| 2025-10-20 | 1,827,298 | 1,590,369 | 3,417,667 | 47.3% |
| 2025-10-13 | 2,467,044 | 2,783,139 | 5,250,183 | 52.9% |
| 2025-10-06 | 2,569,534 | 2,442,164 | 5,011,698 | 49.4% |
| 2025-09-29 | 2,085,669 | 1,745,585 | 3,831,254 | 41.0% |
| 2025-09-22 | 1,707,256 | 1,468,636 | 3,175,892 | 41.6% |
| 2025-09-15 | 2,100,307 | 3,182,145 | 5,282,452 | 46.3% |
| 2025-09-08 | 2,646,190 | 1,346,906 | 3,993,096 | 46.6% |
| 2025-09-01 | 1,673,499 | 947,804 | 2,621,303 | 39.0% |
| 2025-08-25 | 2,635,009 | 1,668,082 | 4,303,091 | 44.5% |
| 2025-08-18 | 2,348,420 | 1,879,686 | 4,228,106 | 40.4% |
| 2025-08-11 | 3,752,338 | 2,266,065 | 6,018,403 | 42.9% |
Showing 1–47 of 47 weeks
Key facts
CIK
1438133
CUSIP
875372203
13F (30d)
73 filings
73 filers
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