Who Owns TENARIS S A (TS)? -- Institutional Holders (2026-06-30)

318 institutions reported holding $2.19B of TENARIS S A (TS) in SEC 13F filings for 2026-06-30. Largest institutional holders: FMR LLC ($375.2M), RENAISSANCE TECHNOLOGIES LLC ($169.6M), VAN ECK ASSOCIATES CORP ($137.5M), WELLINGTON MANAGEMENT GROUP LLP ($136.4M), PRICE T ROWE ASSOCIATES INC /MD/ ($83.4M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1FMR LLC$375.2M6.8MTrimmed
2RENAISSANCE TECHNOLOGIES LLC$169.6M3.1MTrimmed
3VAN ECK ASSOCIATES CORP$137.5M2.5MTrimmed
4WELLINGTON MANAGEMENT GROUP LLP$136.4M2.5MAdded
5PRICE T ROWE ASSOCIATES INC /MD/$83.4M1.5MAdded
6MORGAN STANLEY$68.8M1.2MAdded
7GOLDMAN SACHS GROUP INC$65.5M1.2MAdded
8Merewether Investment Management, LP$62.7M1.1MNew
9DIMENSIONAL FUND ADVISORS LP$57.7M1.0MTrimmed
10Holocene Advisors, LP$57.2M1.0MNew
11Driehaus Capital Management LLC$55.6M1.0MAdded
12CWA Asset Management Group, LLC$54.8M987,291Added
13Invesco Ltd.$50.0M901,517Trimmed
14JANE STREET GROUP, LLC$48.6M876,134Added
15BlackRock, Inc.$41.5M747,509Added
16MARSHALL WACE, LLP$39.1M704,368Added
17MASSACHUSETTS FINANCIAL SERVICES CO /MA/$35.3M628,372Trimmed
18MILLENNIUM MANAGEMENT LLC$34.4M619,526Added
19UBS Group AG$32.3M581,680Added
20Bridgewater Associates, LP$31.5M568,223Added
21ASSETMARK, INC$31.1M560,853Added
22Aventail Capital Group, LP$31.1M559,941Added
23Freestone Grove Partners LP$28.0M504,463New
24SUSQUEHANNA INTERNATIONAL GROUP, LLP$26.7M481,490Added
25SIR Capital Management, L.P.$20.5M368,588New

Source: SEC Form 13F filings · as of 2026-06-30