Institutional Ownership
Tenaris S A
CUSIP 88031M109SPONSORED ADSTSQ1 2026
Institutional Holders
260
13F filers
Shares Held
39.29M
Aggregate institutional
Institutional Value
$2.03B
Q1 2026
Net New Holders
+35
66 new · 31 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions66
Increased86
Decreased65
Sold out31
Institutional Holders
260 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Fmr LLC | 8.25M | $480.09M | +6.05M | Added |
| 2 | Westwood Global Investments, LLC | 6.67M | $388.28M | −598.7K | Reduced |
| 3 | Renaissance Technologies LLC | 3.20M | $186.16M | +235.4K | Added |
| 4 | Wellington Management Group LLP | 2.41M | $139.92M | −277.1K | Reduced |
| 5 | Morgan Stanley | 1.18M | $68.54M | +8.4K | Added |
| 6 | Invesco Ltd. | 1.17M | $67.98M | +622.3K | Added |
| 7 | Dimensional Fund Advisors LP | 1.12M | $65.22M | −113.8K | Reduced |
| 8 | Driehaus Capital Management LLC | 888.3K | $51.68M | +888.3K | New |
| 9 | Goldman Sachs Group Inc | 720.9K | $41.94M | −98.7K | Reduced |
| 10 | Blackrock, Inc. | 715.8K | $41.64M | +19.3K | Added |
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