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 Q4 2015?

131 institutional investors reported TS - TENARIS SA - Ordinary Shares, $1.00 par value per share for Q4 2015. Use the holders table for investor-level position and value details.

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

CUSIP: 88031M109

Q4 2015 13F Holders as of 31 Dec 2015

Security type / class: Equity / Ordinary Shares, $1.00 par value per share
Shares outstanding: 1,008,870,971
Total 13F shares: 99,814,267
Share change: -6,328,657
Total reported value: $2,444,101,816
Put/Call ratio: 62%
Reported price per share: $23.80
Number of holders: 131
Value change: -$170,922,289
Number of buys: 63
Number of sells: 63

Security key

88031M109

Report period

Q4 2015

Institutions

131

Top holders

TS full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2016 Previous quarter: Q3 2015 TENARIS SA SEC filings TENARIS SA company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 88031M109

Newer quarter: Q1 2016 Previous quarter: Q3 2015

Recent filing periods:

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

Ownership snapshot

Top reported holders 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. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

ABERDEEN ASSET MANAGEMENT...

13D/G signal

—

Evidence rows

Latest as of

30 Sep 2015

13F Lead comparable stake: 5% Showing 1-6 of 15 holder rows.

Rank 1 holder

ABERDEEN ASSET MANAGEMENT PLC/UK

13F

Ownership: 5%
Position: $1.21B

13F

Rank 2 holder

OppenheimerFunds, Inc.

13F

Ownership: 1.2%
Position: $150.18M

13F

Rank 3 holder

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
ABERDEEN ASSET MANAGEMENT PLC/UK	13F Company 13F	5%	$1,212,844,000 50,304,573 shares	—	30 Sep 2015
OppenheimerFunds, Inc.	13F Company 13F	1.2%	$150,179,000 12,457,842 shares	—	30 Sep 2015
HARDING LOEVNER LP	13F Company 13F	0.85%	$205,936,000 8,541,521 shares	—	30 Sep 2015
WHV Investments, Inc.	13F Company 13F	0.58%	$154,793,000 5,866,639 shares	—	30 Sep 2015
Westwood Global Investments, LLC	13F Company 13F	0.57%	$137,793,000 5,715,162 shares	—	30 Sep 2015
MACKENZIE FINANCIAL CORP	13F Company 13F	0.32%	$78,499,000 3,255,863 shares	—	30 Sep 2015

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2015

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

131

99,814,267

Rows available

131

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2015 vs Q3 2015 Across Filers

Q3 2015 holders

138

Q4 2015 holders

131

Holder diff

-7

Investor	Q3 2015 Shares	Q4 2015 Shares	Share Diff	Share Chg %	Q3 2015 value	Q4 2015 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend