TS

Tenaris SA

Company with tickers: TS, TNRSF

CIK

1190723

CUSIP

88031M109

Shares Outstanding

504,819,878

13F Activity (30d)

153 filings 150 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.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-05-04	3,807,647	1,031,649	4,839,296	40.7%
2026-04-27	1,618,409	367,679	1,986,088	38.8%
2026-04-20	2,427,211	612,881	3,040,092	45.6%
2026-04-13	2,884,152	3,361,417	6,245,569	51.1%
2026-04-06	2,831,118	1,418,503	4,249,621	43.0%
2026-03-30	1,992,569	729,059	2,721,628	33.4%
2026-03-23	2,114,431	1,742,384	3,856,815	36.1%
2026-03-16	2,710,511	4,325,510	7,036,021	47.2%
2026-03-09	1,776,680	3,302,073	5,078,753	47.8%
2026-03-02	1,932,411	2,255,475	4,187,886	42.7%
2026-02-23	1,381,032	606,907	1,987,939	31.1%
2026-02-16	2,718,855	751,907	3,470,762	33.1%
2026-02-09	1,579,325	371,797	1,951,122	31.1%
2026-02-02	1,606,269	543,062	2,149,331	30.7%
2026-01-26	1,811,407	536,774	2,348,181	33.1%
2026-01-19	1,158,176	476,936	1,635,112	34.1%
2026-01-12	1,595,269	732,635	2,327,904	35.2%
2026-01-05	1,982,444	735,434	2,717,878	32.0%
2025-12-29	861,246	444,562	1,305,808	35.0%
2025-12-22	788,875	229,910	1,018,785	36.9%
2025-12-15	1,977,745	1,006,141	2,983,886	33.2%

Showing 1–21 of 21 weeks