Save your place

Sign in to WhoBought

Please try again later.

Jeremy Grantham's Tenaris S.A. (TS) position

Yes: as of Q1 2026, Jeremy Grantham holds 348K shares of TS worth an amount we cannot price (0.1% of the disclosed portfolio). Last quarter the position was increased by 4.6%. First disclosed Q2 2023.
View full portfolio →
Current value
an amount we cannot price
Shares held
348K
% of portfolio
0.1%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

TS price vs Grantham's position

Dates
$56$56.5$57$57.5← Earlier —10 purchases, 2 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +15K +4.6% 348K May 14, 2026
Q4 2025 Added +61K +22.7% 332K Feb 17, 2026
Q3 2025 Added +17K +6.7% 271K Nov 13, 2025
Q2 2025 Added +40K +18.9% 254K Aug 13, 2025
Q1 2025 Reduced −211K −49.7% 214K May 14, 2025
Q4 2024 Reduced −191K −31.0% 425K Feb 13, 2025
Q3 2024 Added +242K +64.7% 616K Nov 13, 2024
Q2 2024 Added +85K +29.2% 374K Aug 13, 2024
Q1 2024 Added +92K +46.7% 289K May 14, 2024
Q4 2023 Added +152K +338.2% 197K Feb 13, 2024
Q3 2023 Added +26K +133.8% 45K Nov 13, 2023
Q2 2023 New +19K 19K Aug 14, 2023
Data through Q1 2026 · filed May 14, 2026
12 grouped rows from 12 quarters

More Grantham positions

Common questions

Does Jeremy Grantham own TS?

Yes. As of Q1 2026, Jeremy Grantham disclosed 348K shares of TS, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jeremy Grantham buy TS?

Jeremy Grantham first disclosed a TS position in Q2 2023; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jeremy Grantham sell TS?

The quarter-by-quarter table above shows each sale and reduction Jeremy Grantham disclosed in TS. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of TS does Jeremy Grantham own?

Jeremy Grantham disclosed 348K shares of TS as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jeremy Grantham pay for TS?

Jeremy Grantham began building the TS position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.