# TENARIS S A SPONSORED ADS

TENARIS S A SPONSORED ADS is a security (CUSIP 88031M109) tracked across SEC portfolio filings. 276 institutional managers reported $2.0B on Form 13F as of 2026-06-30; 10 registered fund positions totaling $99.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: TENARIS S A
- Class: SPONSORED ADS
- CUSIP: 88031M109
- Asset category: EC
- 13F holders: 276
- 13F value: $2.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 10
- N-PORT value: $99.7M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 276 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| FMR LLC | BOSTON, MA | $480.1M | 8,251,759 |
| Westwood Global Investments, LLC | BOSTON, MA | $388.3M | 6,673,718 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $186.2M | 3,199,744 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $139.9M | 2,405,034 |
| MORGAN STANLEY | NEW YORK, NY | $68.5M | 1,178,069 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $65.2M | 1,121,007 |
| [CWA Asset Management Group, LLC](https://search.stillhousedata.com/firm/158940) | Naples, FL | $54.8M | 987,291 |
| Driehaus Capital Management LLC | Chicago, IL | $51.7M | 888,346 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $41.9M | 720,894 |
| BlackRock, Inc. | New York, NY | $41.6M | 715,791 |
| [MASSACHUSETTS FINANCIAL SERVICES CO /MA/](https://search.stillhousedata.com/firm/110045) | Boston, MA | $35.3M | 628,372 |
| [ASSETMARK, INC](https://search.stillhousedata.com/firm/109018) | CONCORD, CA | $31.1M | 560,853 |
| UBS Group AG | Zurich, V8 | $29.0M | 498,978 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $21.1M | 292,423 |
| Grantham, Mayo, Van Otterloo & Co. LLC | Boston, MA | $20.2M | 347,584 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [MFS International New Discovery Fund](https://search.stillhousedata.com/fund/S000002437) | MFS Series Trust V | $35.6M | 48.87% |
| [T. Rowe Price Real Assets Fund, Inc.](https://search.stillhousedata.com/fund/S000029428) | T. ROWE PRICE REAL ASSETS FUND, INC. | $21.5M | 20.46% |
| [T. Rowe Price New Era Fund](https://search.stillhousedata.com/fund/S000002105) | T. ROWE PRICE NEW ERA FUND, INC. | $20.8M | 64.91% |
| [Strategic Advisers Emerging Markets Fund](https://search.stillhousedata.com/fund/S000030092) | Fidelity Rutland Square Trust II | $17.4M | 10.20% |
| Gabelli Equity Trust Inc | Gabelli Equity Trust Inc | $2.3M | 13.43% |
| [Hennessy Energy Transition Fund](https://search.stillhousedata.com/fund/S000063244) | Hennessy Funds Trust | $1.0M | 434.31% |
| Weiss Strategic Interval Fund | Weiss Strategic Interval Fund | $658K | 12.77% |
| [MFS Global Alternative Strategy Fund](https://search.stillhousedata.com/fund/S000019515) | MFS Series Trust XV | $194K | 8.94% |
| [First Investors Hedged U.S. Equity Opportunities Fund](https://search.stillhousedata.com/fund/S000054700) | FIRST INVESTORS EQUITY FUNDS | $112K | 9.05% |
| [T. Rowe Price Global Allocation Fund](https://search.stillhousedata.com/fund/S000040952) | T. ROWE PRICE GLOBAL ALLOCATION FUND, INC. | $76K | 0.88% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/88031M109.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.