TS · NYSE · Oil & Gas Equipment & Services

Tenaris (ADR) (TS)

Makes tubular products and runs mill-to-well services for energy and industrial customers.

$55.96
vs last close+0.54 (+0.97%)

13F · 13D/G · Form 4

Institutions≈ 7.10%38.12M ADS
295 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Other≈ 92.90%498.45M ADS
remainder

536.56M ADS (1 ADS = 2 ordinary shares) as of Sep 21, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

The share count is from the company's Dec 2023 annual report; nothing newer is on file here.

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

This company has 2 share classes; every stake here is a share of the whole company.

13F · 13D/G · Form 4

HolderStakeSharesDate
Aberdeen Asset Management PLCInstitution
5.17%27.74Mfiled Feb 8, 2017
FMR LLCInstitution
1.26%6.76M ADSas of Jun 30, 2026
Renaissance Technologies LLCInstitution
0.57%3.06M ADSas of Jun 30, 2026
Van Eck Associates CorpInstitution
0.46%2.48M ADSas of Jun 30, 2026
Wellington Management Group LLPInstitution
0.46%2.46M ADSas of Jun 30, 2026
Price T Rowe Associates Inc /MD/Institution
0.28%1.50M ADSas of Jun 30, 2026
Morgan StanleyInstitution
0.23%1.24M ADSas of Jun 30, 2026
Goldman Sachs Group IncInstitution
0.22%1.18M ADSas of Jun 30, 2026
Merewether Investment Management, LPInstitution
0.21%1.13M ADSas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
0.19%1.04M ADSas of Jun 30, 2026
Holocene Advisors, LPInstitution
0.19%1.03M ADSas of Jun 30, 2026
Driehaus Capital Management LLCInstitution
0.19%1.00M ADSas of Jun 30, 2026
Cwa Asset Management Group, LLCInstitution
0.18%987,291 ADSas of Jun 30, 2026
Invesco Ltd.Institution
0.17%901,517 ADSas of Jun 30, 2026
BlackRock, Inc.Institution
0.14%747,509 ADSas of Jun 30, 2026
Jane Street Group, LLCInstitution
0.13%716,734 ADSas of Jun 30, 2026
Marshall Wace, LLPInstitution
0.13%704,368 ADSas of Jun 30, 2026
Massachusetts Financial Services Co /MA/Institution
0.12%628,372 ADSas of Jun 30, 2026
Millennium Management LLCInstitution
0.12%619,526 ADSas of Jun 30, 2026
UBS Group AGInstitution
0.11%581,680 ADSas of Jun 30, 2026
Bridgewater Associates, LPInstitution
0.11%568,223 ADSas of Jun 30, 2026
Assetmark, IncInstitution
0.10%560,853 ADSas of Jun 30, 2026
Aventail Capital Group, LPInstitution
0.10%559,941 ADSas of Jun 30, 2026
Freestone Grove Partners LPInstitution
0.09%504,463 ADSas of Jun 30, 2026
Sir Capital Management, L.P.Institution
0.07%368,588 ADSas of Jun 30, 2026

13F, as of Jun 30, 2026

295 holders · 38.12M shares · 55 new positions · 156 increased · 79 reduced · 37 closed

HolderShares% of companyChg q/qFiled
FMR LLC6.76M1.26%−1.49MAug 13, 2026
Renaissance Technologies LLC3.06M0.57%−143.7KAug 13, 2026
Van Eck Associates Corp2.48M0.46%−414.5KAug 14, 2026
Wellington Management Group LLP2.46M0.46%+53.0KAug 14, 2026
Price T Rowe Associates Inc /MD/1.50M0.28%+57.6KAug 14, 2026
Morgan Stanley1.24M0.23%+60.9KAug 13, 2026
Goldman Sachs Group Inc1.18M0.22%+458.6KAug 14, 2026
Merewether Investment Management, LP1.13M0.21%+1.13MnewAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Techint Holdings S.A R.L.incl. San Faustin S.A., Rocca & Partners Stichting Administratiekantoor Aandelen San Faustin68.60%692.09M13DFeb 10, 2026

Form 4

Latest trades

Nothing filed in the last 12 months.

House and Senate disclosures

Not reported.