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 2015?

138 institutional investors reported TS - TENARIS SA - Ordinary Shares, $1.00 par value per share for Q3 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

Q3 2015 13F Holders as of 30 Sep 2015

Security type / class: Equity / Ordinary Shares, $1.00 par value per share
Shares outstanding: 1,008,870,971
Total 13F shares: 106,143,117
Share change: +8,010,703
Total reported value: $2,574,639,264
Put/Call ratio: 29%
Reported price per share: $24.11
Number of holders: 138
Value change: +$181,671,222
Number of buys: 72
Number of sells: 66

Security key

88031M109

Report period

Q3 2015

Institutions

138

Top holders

TS full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2015 Previous quarter: Q2 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: Q4 2015 Previous quarter: Q2 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 Jun 2015

13F Lead comparable stake: 5.4% Showing 1-6 of 15 holder rows.

Rank 1 holder

ABERDEEN ASSET MANAGEMENT PLC/UK

13F

Ownership: 5.4%
Position: $1.47B

13F

Rank 2 holder

OppenheimerFunds, Inc.

13F

Ownership: 1.4%
Position: $370.38M

13F

Rank 3 holder

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
ABERDEEN ASSET MANAGEMENT PLC/UK	13F Company 13F	5.4%	$1,468,374,000 54,348,284 shares	—	30 Jun 2015
OppenheimerFunds, Inc.	13F Company 13F	1.4%	$370,384,000 13,707,779 shares	—	30 Jun 2015
WHV Investments, Inc.	13F Company 13F	0.65%	$178,243,000 6,596,801 shares	—	30 Jun 2015
Westwood Global Investments, LLC	13F Company 13F	0.55%	$148,669,000 5,502,198 shares	—	30 Jun 2015
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	0.31%	$85,018,000 3,146,468 shares	—	30 Jun 2015
HARDING LOEVNER LP	13F Company 13F	0.26%	$69,328,000 2,618,115 shares	—	30 Jun 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 Q3 2015

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

Institutions

138

106,143,117

Rows available

138

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 Q3 2015 vs Q2 2015 Across Filers

Q2 2015 holders

133

Q3 2015 holders

138

Holder diff

Investor	Q2 2015 Shares	Q3 2015 Shares	Share Diff	Share Chg %	Q2 2015 value	Q3 2015 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend