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SIRI

Sirius Xm Holdings Inc.

Company with tickers: SIRI

CIK
908937
CUSIP
829933100
Shares Outstanding
336,619,936
13F Activity (30d)
29 filings 22 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
2026-05-25 4,224,173 4,676,158 8,900,331 45.7%
2026-05-18 5,262,837 5,498,296 10,761,133 50.2%
2026-05-11 3,761,368 1,965,844 5,727,212 49.0%
2026-05-04 4,328,742 3,702,994 8,031,736 47.9%
2026-04-27 8,041,154 5,310,098 13,351,252 43.5%
2026-04-20 13,095,558 12,131,228 25,226,786 65.1%
2026-04-13 5,463,886 3,631,969 9,095,855 47.0%
2026-04-06 3,318,381 4,649,340 7,967,721 45.2%
2026-03-30 3,641,581 4,482,330 8,123,911 46.1%
2026-03-23 3,042,053 3,247,358 6,289,411 41.8%
Showing 1–10 of 10 weeks