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Grantham, Mayo, Van Otterloo & Co. LLC

Position in TS — Tenaris SA

CIK 1352662 Boston, MA

Position in TS

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$20,222,437
+$7,447,886 QoQ
Shares Held
347,584
+4.6% QoQ
Ownership
0.069%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2023
12 quarters on record
Voting authority Sole 90% Shared 0% None 10%

Common Shares in TS Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $68,029,903 across 8 Oil & Gas Equipment & Services names. TS ranks #1 (29.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TS
Tenaris SA
This page
347,584 $20,222,437

All Filings in TS

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12 filing rows on record
Report Date Value (USD) Shares
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