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Grantham, Mayo, Van Otterloo & Co. LLC

Position in TS — Tenaris SA

CIK 1352662 Boston, MA

Position in TS

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$10,519,183
-$9,703,254 QoQ
Shares Held
189,569
-45.5% QoQ
Ownership
0.038%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#32
of 284 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority Sole 40% Shared 0% None 60%

Common Shares in TS Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Jun 30, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $55,742,514 across 7 Oil & Gas Equipment & Services names. TS ranks #2 (18.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 TS
Tenaris SA
This page
189,569 $10,519,183

All Filings in TS

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,519,183 189,569
2026-03-31 $20,222,437 347,584
2025-12-31 $12,774,551 332,238
2025-09-30 $9,689,377 270,880
2025-06-30 $9,494,625 253,867
2025-03-31 $8,352,879 213,574
2024-12-31 $16,061,392 425,017
2024-09-30 $19,574,056 615,730
2024-06-30 $11,408,467 373,803
2024-03-31 $11,360,261 289,286
2023-12-31 $6,852,482 197,137
2023-09-30 $1,421,462 44,983
2023-06-30 $576,327 19,243