Institutional shares held 40.4 Million
96.2K calls
140K puts
Total value of holdings $1.64B
$3.91M calls
$5.71M puts
Market Cap $24B
590,268,032 Shares Out.
Institutional ownership 6.84%
# of Institutions 253


Latest Institutional Activity in TS

Top Purchases

Q3 2025
Optiver Holding B.V. Shares Held: 905K ($36.8M)
Q3 2025
Renaissance Technologies LLC Shares Held: 3.35M ($136M)
Q3 2025
D. E. Shaw & Co., Inc. Shares Held: 597K ($24.3M)
Q3 2025
Abc Arbitrage Sa Shares Held: 775K ($31.5M)
Q3 2025
Qube Research & Technologies LTD Shares Held: 241K ($9.8M)

Top Sells

Q3 2025
Citadel Advisors LLC Shares Held: 11.6K ($472K)
Q3 2025
Ubs Group Ag Shares Held: 270K ($11M)
Q3 2025
Bank Of America Corp Shares Held: 194K ($7.88M)
Q3 2025
Sir Capital Management, L.P. Shares Held: 290K ($11.8M)
Q3 2025
Encompass Capital Advisors LLC Shares Held: 1.43M ($58.3M)

About TS

Tenaris S.A., together with its subsidiaries, produces and sells seamless and welded steel tubular products; and provides related services for the oil and gas industry, and other industrial applications. The company offers steel casings, tubing products, mechanical and structural pipes, cold-drawn pipes, and premium joints and couplings; coiled tubing products for oil and gas drilling and workovers, and subsea pipelines; and umbilical tubing products; and tubular accessories. It also provides sucker rods, industrial equipment, heat exchangers, and utility conduits for buildings, as well as sells energy and raw materials. In addition, it offers financial services. The company operates in North America, South America, Europe, the Middle East and Africa, and the Asia Pacific. Tenaris S.A. was incorporated in 2001 and is based in Luxembourg, Luxembourg. Tenaris S.A. is a subsidiary of Techint Holdings S.à r.l.


Insider Transactions at TS

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
0 Shares
From 0 Insiders
Sell / Disposition
0 Shares
From 0 Insiders

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