What does CUSIP 88031M109 represent in this 13F holders report?

CUSIP 88031M109 is the security identifier for TS - TENARIS SA - Ordinary Shares, $1.00 par value per share used to aggregate holder disclosures.

How many institutions held TS - TENARIS SA - Ordinary Shares, $1.00 par value per share in Q3 2017?

163 institutional investors reported TS - TENARIS SA - Ordinary Shares, $1.00 par value per share for Q3 2017. Use the holders table for investor-level position and value details.

TENARIS SA - Ordinary Shares, $1.00 par value per share (TS)

CUSIP: 88031M109

Q3 2017 13F Holders as of 30 Sep 2017

Type / Class: Equity / Ordinary Shares, $1.00 par value per share
Shares outstanding: 1,008,870,971
Total 13F shares: 89,375,030
Share change: +362,667
Total reported value: $2,530,293,331
Put/Call ratio: 297%
Price per share: $28.31
Number of holders: 163
Value change: -$165,706
Number of buys: 79
Number of sells: 69

Quarterly Holders Quick Answers

What is CUSIP 88031M109?
CUSIP 88031M109 identifies TS - TENARIS SA - Ordinary Shares, $1.00 par value per share in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2017
Previous quarter: Q2 2017

Recent filing periods for CUSIP 88031M109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of TS - TENARIS SA - Ordinary Shares, $1.00 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
ABERDEEN ASSET MANAGEMENT PLC/UK	13F	Company	2.5%	25,307,373	$788,072,000	—	30 Jun 2017	13F
HARDING LOEVNER LP	13F	Company	1.4%	14,598,727	$454,604,000	—	30 Jun 2017	13F
Westwood Global Investments, LLC	13F	Company	0.74%	7,499,898	$233,547,000	—	30 Jun 2017	13F
Ruffer LLP	13F	Company	0.52%	5,247,320	$163,375,000	—	30 Jun 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.33%	3,370,909	$104,970,000	—	30 Jun 2017	13F
VAN ECK ASSOCIATES CORP	13F	Company	0.33%	3,308,106	$103,014,000	—	30 Jun 2017	13F
Invesco Ltd.	13F	Company	0.32%	3,263,480	$101,625,000	—	30 Jun 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.25%	2,515,087	$78,320,000	—	30 Jun 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.24%	2,469,882	$76,912,000	—	30 Jun 2017	13F
MACKENZIE FINANCIAL CORP	13F	Company	0.21%	2,124,610	$66,160,000	—	30 Jun 2017	13F
CITADEL ADVISORS LLC	13F	Company	0.19%	1,916,762	$59,688,000	—	30 Jun 2017	13F
LUMINUS MANAGEMENT LLC	13F	Company	0.15%	1,563,375	$48,683,000	—	30 Jun 2017	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	0.15%	1,562,694	$48,662,000	—	30 Jun 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.13%	1,308,399	$40,744,000	—	30 Jun 2017	13F
Sheffield Asset Management, L.L.C.	13F	Company	0.1%	1,038,347	$32,334,000	—	30 Jun 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.1%	986,913	$30,733,000	—	30 Jun 2017	13F
Legal & General Group Plc	13F	Company	0.1%	973,908	$30,323,000	—	30 Jun 2017	13F
WADDELL & REED FINANCIAL INC	13F	Company	0.09%	942,400	$29,346,000	—	30 Jun 2017	13F
JENNISON ASSOCIATES LLC	13F	Company	0.09%	871,489	$27,138,000	—	30 Jun 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.08%	798,954	$24,879,000	—	30 Jun 2017	13F
Global X Management CO LLC	13F	Company	0.08%	791,075	$24,634,000	—	30 Jun 2017	13F
Russell Investments Group, Ltd.	13F	Company	0.07%	662,748	$20,638,000	—	30 Jun 2017	13F
SIR Capital Management, L.P.	13F	Company	0.06%	589,303	$18,351,000	—	30 Jun 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.06%	589,300	$18,351,000	—	30 Jun 2017	13F
NWQ INVESTMENT MANAGEMENT COMPANY, LLC	13F	Company	0.06%	582,492	$18,139,000	—	30 Jun 2017	13F
NORTHERN TRUST CORP	13F	Company	0.06%	575,752	$17,928,000	—	30 Jun 2017	13F
Calamos Advisors LLC	13F	Company	0.05%	514,008	$16,006,000	—	30 Jun 2017	13F
ARIEL INVESTMENTS, LLC	13F	Company	0.05%	472,087	$14,701,000	—	30 Jun 2017	13F
Capital International Sarl	13F	Company	0.05%	466,300	$14,521,000	—	30 Jun 2017	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.04%	400,000	$12,456,000	—	30 Jun 2017	13F
Arosa Capital Management LP	13F	Company	0.04%	394,306	$12,279,000	—	30 Jun 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.04%	372,510	$11,599,000	—	30 Jun 2017	13F
NORGES BANK	13F	Company	0.04%	357,005	$11,117,000	—	30 Jun 2017	13F
VANGUARD GROUP INC	13F	Company	0.03%	337,048	$10,496,000	—	30 Jun 2017	13F
AGF INVESTMENTS INC.	13F	Company	0.03%	330,173	$10,284,000	—	30 Jun 2017	13F
Bank of New York Mellon Corp	13F	Company	0.03%	325,858	$10,147,000	—	30 Jun 2017	13F
FEDERATED HERMES, INC.	13F	Company	0.03%	303,307	$9,445,000	—	30 Jun 2017	13F
Capital International Investors	13F	Company	0.03%	301,400	$9,386,000	—	30 Jun 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.03%	288,115	$8,972,000	—	30 Jun 2017	13F
Granite Investment Advisors, LLC	13F	Company	0.02%	227,177	$7,265,000	—	30 Jun 2017	13F
Aperio Group, LLC	13F	Company	0.02%	208,702	$6,499,000	—	30 Jun 2017	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.02%	205,695	$6,404,000	—	30 Jun 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.02%	186,052	$5,794,000	—	30 Jun 2017	13F
MANNING & NAPIER ADVISORS LLC	13F	Company	0.02%	172,430	$5,368,000	—	30 Jun 2017	13F
CAPITAL GUARDIAN TRUST CO	13F	Company	0.02%	162,328	$5,055,000	—	30 Jun 2017	13F
ROYAL BANK OF CANADA	13F	Company	0.01%	149,861	$4,666,000	—	30 Jun 2017	13F
GLG Partners LP	13F	Company	0.01%	130,668	$4,069,000	—	30 Jun 2017	13F
Capital International, Inc./CA/	13F	Company	0.01%	125,092	$3,895,000	—	30 Jun 2017	13F
BlueCrest Capital Management Ltd	13F	Company	0.01%	118,958	$3,704,000	—	30 Jun 2017	13F
MORGAN STANLEY	13F	Company	0.01%	114,115	$3,554,000	—	30 Jun 2017	13F

Institutional Holders of TENARIS SA - Ordinary Shares, $1.00 par value per share (TS) as of Q3 2017

As of 30 Sep 2017, TENARIS SA - Ordinary Shares, $1.00 par value per share (TS) was held by 163 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 89,375,030 shares. The largest 10 holders included Standard Life Aberdeen plc, HARDING LOEVNER LP, Westwood Global Investments, LLC, Ruffer LLP, VAN ECK ASSOCIATES CORP, PRICE T ROWE ASSOCIATES INC /MD/, LUMINUS MANAGEMENT LLC, WELLINGTON MANAGEMENT GROUP LLP, MACKENZIE FINANCIAL CORP, and WESTWOOD HOLDINGS GROUP INC. This page lists 163 institutional shareholders reporting positions in this security for the Q3 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2017 vs Q2 2017 Across Filers

Q2 2017 holders

161

Q3 2017 holders

163

Holder diff

Investor	Q2 2017 Shares	Q3 2017 Shares	Share Diff	Share Chg %	Q2 2017 Value $	Q3 2017 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.