| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| Boston Common Asset Management, LLC | 7 | 7 | 0.01% | 0.01% | 0.02% | Q2 2013 | Q4 2014 | 7 |
This page lists all the filers that currently own TENARIS SA or have owned TENARIS SA in the past.