Tenaris S.A. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| FMR LLC | 05/15/2026 | 8.25 M | $480.09 M | 275.31% | 1.59% |
| WESTWOOD GLOBAL INVESTMENTS, LLC | 05/14/2026 | 6.67 M | $388.28 M | -8.23% | 1.28% |
| RENAISSANCE TECHNOLOGIES LLC | 05/14/2026 | 3.20 M | $186.16 M | 7.94% | 0.62% |
| VAN ECK ASSOCIATES CORP | 05/15/2026 | 2.89 M | $168.32 M | 43.28% | 0.56% |
| WELLINGTON MANAGEMENT GROUP LLP | 05/15/2026 | 2.41 M | $139.92 M | -10.33% | 0.46% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 05/15/2026 | 1.45 M | $84.08 M | -12.40% | 0.28% |
| MORGAN STANLEY | 05/15/2026 | 1.18 M | $68.54 M | 0.72% | 0.23% |
| INVESCO LTD. | 05/12/2026 | 1.17 M | $67.98 M | 113.93% | 0.22% |
| DIMENSIONAL FUND ADVISORS LP | 05/07/2026 | 1.12 M | $65.22 M | -9.22% | 0.22% |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 05/15/2026 | 888.35 K | $51.68 M | 100.00% | 0.17% |
| GOLDMAN SACHS GROUP INC | 05/15/2026 | 720.89 K | $41.94 M | -12.04% | 0.14% |
| BLACKROCK, INC. | 05/13/2026 | 715.79 K | $41.64 M | 2.78% | 0.14% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 05/14/2026 | 646.85 K | $38.08 M | -1.46% | 0.12% |
| CWA ASSET MANAGEMENT GROUP, LLC | 04/20/2026 | 506.55 K | $29.47 M | 100.00% | 0.10% |
| UBS GROUP AG | 05/05/2026 | 498.98 K | $29.03 M | 124.03% | 0.10% |
| ASSETMARK, INC | 05/06/2026 | 490.78 K | $28.55 M | -2.61% | 0.09% |
| GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | 05/14/2026 | 347.58 K | $20.22 M | 4.62% | 0.07% |
| CARRHAE CAPITAL LLP | 05/14/2026 | 337.43 K | $19.63 M | 100.00% | 0.06% |
| HARDING LOEVNER LP | 05/15/2026 | 292.86 K | $17.04 M | -5.92% | 0.06% |
| CITADEL ADVISORS LLC | 05/15/2026 | 292.42 K | $17.01 M | -68.64% | 0.06% |
| MEDINA VALUE PARTNERS, LLC | 05/14/2026 | 253.36 K | $14.74 M | -54.88% | 0.05% |
| CAPITAL WEALTH PLANNING, LLC | 05/15/2026 | 240.51 K | $13.99 M | 100.00% | 0.05% |
| NORTHERN TRUST CORP | 05/14/2026 | 217.90 K | $12.68 M | -3.17% | 0.04% |
| KILTEARN PARTNERS LLP | 05/14/2026 | 204.86 K | $11.92 M | -17.68% | 0.04% |
| STATE STREET CORP | 05/15/2026 | 203.18 K | $11.82 M | 1.25% | 0.04% |
| PEAK6 LLC | 05/14/2026 | 182.00 K | $10.59 M | 500.66% | 0.04% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 05/11/2026 | 178.44 K | $10.38 M | 100.00% | 0.03% |
| BANK OF AMERICA CORP /DE/ | 05/18/2026 | 158.44 K | $9.22 M | -53.02% | 0.03% |
| LEGAL & GENERAL GROUP PLC | 05/08/2026 | 146.52 K | $8.52 M | -12.81% | 0.03% |
| QUANTINNO CAPITAL MANAGEMENT LP | 05/15/2026 | 146.35 K | $8.51 M | 20.87% | 0.03% |
| NATIONAL BANK OF CANADA /FI/ | 05/15/2026 | 145.86 K | $8.48 M | 100.00% | 0.03% |
| AQR CAPITAL MANAGEMENT LLC | 05/15/2026 | 145.43 K | $8.46 M | 31.18% | 0.03% |
| ETHIC INC. | 04/27/2026 | 125.57 K | $7.31 M | -12.87% | 0.02% |
| 05/15/2026 | 112.70 K | $6.56 M | 134.79% | 0.02% | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 111.30 K | $6.48 M | 352.44% | 0.02% |
| JANE STREET GROUP, LLC | 05/12/2026 | 100.84 K | $5.87 M | 100.00% | 0.02% |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 05/15/2026 | 100.74 K | $5.86 M | -1.37% | 0.02% |
| AVENTAIL CAPITAL GROUP, LP | 05/15/2026 | 87.37 K | $5.08 M | 42.84% | 0.02% |
| LEUTHOLD GROUP, LLC | 05/06/2026 | 83.99 K | $4.89 M | 100.00% | 0.02% |
| CREATIVE PLANNING | 05/12/2026 | 72.82 K | $4.24 M | 25.96% | 0.01% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 68.72 K | $4.00 M | -56.00% | 0.01% |
| INTEGRATED QUANTITATIVE INVESTMENTS LLC | 05/13/2026 | 66.80 K | $3.89 M | 56.00% | 0.01% |
| GTS SECURITIES LLC | 05/15/2026 | 62.69 K | $3.65 M | 100.00% | 0.01% |
| CITIGROUP INC | 05/11/2026 | 61.45 K | $3.57 M | 27.92% | 0.01% |
| CITADEL ADVISORS LLC | 05/15/2026 | 59.70 K | $3.47 M | -6.86% | 0.01% |
| LAZARD ASSET MANAGEMENT LLC | 05/15/2026 | 58.25 K | $3.39 M | 0.49% | 0.01% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 05/15/2026 | 57.34 K | $3.34 M | 10.73% | 0.01% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 05/15/2026 | 52.80 K | $3.07 M | 291.11% | 0.01% |
| MANNING & NAPIER ADVISORS LLC | 04/30/2026 | 52.49 K | $3.05 M | -2.63% | 0.01% |
| MILLENNIUM MANAGEMENT LLC | 05/15/2026 | 50.00 K | $2.91 M | 100.00% | 0.01% |
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Tenaris S.A. institutional Ownership - FAQ's
During the previous two years, 398 institutional investors and hedge funds held shares of Tenaris S.A.. The most heavily invested institutionals were:
FMR LLC: 8.25 M
Westwood Global Investments, LLC: 6.67 M
RENAISSANCE TECHNOLOGIES LLC: 3.2 M
VAN ECK ASSOCIATES CORP: 2.89 M
WELLINGTON MANAGEMENT GROUP LLP: 2.41 M
PRICE T ROWE ASSOCIATES INC /MD/: 1.45 M
7.57% of Tenaris S.A. stock is owned by institutional investors.
Institutional investors have bought a total of 125.46 M shares in the last 24 months. This purchase volume represents approximately $6.68 B in transactions.