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GROUP ONE TRADING LLC

Position in TS — Tenaris SA

CIK 932540 CHICAGO, IL

Position in TS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$395,976
-$110,946 QoQ
Shares Held
7,136
-18.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#148
of 282 holders
Holding Since
Mar 2020
12 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in TS Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $22,049,321 across 17 Oil & Gas Equipment & Services names. TS ranks #6 (1.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 TS
Tenaris SA
This page
7,136 $395,976

All Filings in TS

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $395,976 7,136
2026-03-31 $506,922 8,713
2025-12-31 $82,244 2,139
2025-09-30 $82,163 2,297
2025-06-30 $195,901 5,238
2024-12-31 $80,568 2,132
2024-09-30 $79,856 2,512
2024-03-31 $4,790 122
2023-03-31 $278,317 9,793
2021-09-30 $224,378 10,629
2020-06-30 $3,114,281 240,857
2020-03-31 $1,019,815 84,632