TENARIS S A (TS) is held by 119 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is FMR LLC as of Q2 2026.

Are institutions buying or selling TS?

In Q2 2026, 73 institutions opened or increased positions in TENARIS S A while 46 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on TS?

HoldingsIntel scores TENARIS S A across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 2 of the 4 carrying data for TS. In Q2 2026, the institutional leg showed net inflows: 73 buying versus 46 selling.

How many hedge funds hold TS?

119 institutional investors report holding TENARIS S A (TS) as of Q2 2026, based on SEC 13F filings.

Is institutional money flowing into TS?

As of Q2 2026, tracked institutions in TENARIS S A show 73 buyers versus 46 sellers — net inflows.

TENARIS S A

TS·88031M109·US·ADR·Energy - Oil & Gas Equipment & Services-Activist

119

Holders

(14 Elite)

$1.7B

Total Value

61% (119)

Consensus

73 buying - 46 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 119 funds

14 elite

Who's Trading

Source dates: Price Oct 14, 2026 · Insiders none · Activists Feb 10, 2026 · Congress none

ActivistR&ROCCA & PARTNERS STICHTING ADMINISTRATIEKANTOOR AANDELEN SAN FAUSTIN68.6%Feb 10, 2026

View all activist filings

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	Action
FMR LLC	Decreased	6.8M(-18.1%)	$375.2M	0.0%	+20.36%	0
RENAISSANCE TECHNOLOGIES LLC	Decreased	3.1M(-4.5%)	$169.6M	0.2%	+80.27%	0
WELLINGTON MANAGEMENT GROUP LLP	Increased	2.5M(+2.2%)	$136.4M	0.0%	+85.59%	31
PRICE T ROWE ASSOCIATES INC /MD/	Increased	1.5M(+4.0%)	$83.4M	0.0%	+96.30%	31
MORGAN STANLEY	Increased	1.2M(+5.2%)	$68.8M	0.0%	+78.22%	31
GOLDMAN SACHS GROUP INC	Increased	1.2M(+63.6%)	$65.5M	0.0%	+44.36%	43
DIMENSIONAL FUND ADVISORS LP	Decreased	1M(-7.2%)	$57.7M	0.0%	+84.78%	0
Holocene Advisors, LP	New	1M	$57.2M	0.1%	+5.50%	49
DRIEHAUS CAPITAL MANAGEMENT LLC	Increased	1M(+12.7%)	$55.6M	0.3%	+2.92%	40
Invesco Ltd.	Decreased	901,517(-22.9%)	$50M	0.0%	+22.32%	0
BlackRock, Inc.	Increased	747,509(+4.4%)	$41.5M	0.0%	+56.74%	30
JANE STREET GROUP, LLC	Increased	716,734(+610.8%)	$39.8M	0.0%	+5.08%	47
MWMARSHALL WACE, LLP	Increased	704,368(+8704.6%)	$39.1M	0.0%	+5.46%	47
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	Decreased	628,372(-2.9%)	$35.3M	0.0%	+85.70%	0
MILLENNIUM MANAGEMENT LLC	Increased	619,526(+801.5%)	$34.4M	0.0%	+10.78%	47
UBS Group AG	Increased	581,680(+16.6%)	$32.3M	0.0%	+19.51%	33
Bridgewater Associates, LP	Increased	568,223(+1884.7%)	$31.5M	0.1%	+5.35%	56
ASSETMARK, INC	Increased	560,853(+14.3%)	$31.1M	0.1%	+77.80%	33
Freestone Grove Partners LP	New	504,463	$28M	0.2%	+5.50%	48
BANK OF AMERICA CORP /DE/	Increased	343,934(+117.1%)	$19.1M	0.0%	+25.11%	46

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

TENARIS S A

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