Security key
88031M109
TENARIS SA - Ordinary Shares, $1.00 par value per share (TS)
CUSIP: 88031M109
Q2 2023 13F Holders as of 30 Jun 2023
- Security type / class
- Equity / Ordinary Shares, $1.00 par value per share
- Total 13F shares
- 68,887,694
- Total 13F value
- $1,932,776,186
- Share change
- +16,122,396
- Put/Call ratio
- 79%
- SEC-reported price per share
- $29.95
- Number of holders
- 195
- Value change
- +$356,543,526
- Number of buys
- 98
- Number of sells
- 126
- Shares outstanding
- 1,008,870,971
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2023
Institutions
195
Top holders
10
TS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
TENARIS SA SEC filings
TENARIS SA company facts
Broader feeds
Reporting periods
Holder history for CUSIP 88031M109
Recent filing periods:
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.
Comparable stake leader
Westwood Global Investmen...
Disclosed value leader
Westwood Global Investmen...
Comparable rows
0/15
Latest evidence
31 Mar 2023
13F
Highest disclosed value: $251,328,291
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Westwood Global Investments, LLC has the largest disclosed position value at $251.33M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Westwood Global Investments, LLC's linked filing trail.
Disclosed position value
Top 5
Westwood Global Investments, LLC
$251.33M
Perpetual Ltd
$234.29M
VAN ECK ASSOCIATES CORP
$119.77M
ARROWSTREET CAPITAL, LIMITED PART...
$116.65M
MORGAN STANLEY
$84.88M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Westwood Global Investments, LLC |
13F
Company
|
—
denominator unverified
|
$251,328,291
8,843,360 shares
|
— | 31 Mar 2023 |
| Perpetual Ltd |
13F
Company
|
—
denominator unverified
|
$234,292,350
12,857,596 shares
|
— | 31 Mar 2023 |
| VAN ECK ASSOCIATES CORP |
13F
Company
|
—
denominator unverified
|
$119,772,000
4,214,351 shares
|
— | 31 Mar 2023 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
—
denominator unverified
|
$116,652,000
4,104,573 shares
|
— | 31 Mar 2023 |
| MORGAN STANLEY |
13F
Company
|
—
denominator unverified
|
$84,880,792
2,986,656 shares
|
— | 31 Mar 2023 |
| HARDING LOEVNER LP |
13F
Company
|
—
denominator unverified
|
$80,177,367
2,821,160 shares
|
— | 31 Mar 2023 |
How to read this table
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 Q2 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
195
Shares
68,887,694
Rows available
195
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price check.
Compare Q2 2023 vs Q1 2023 Across Filers
Q1 2023 holders
219
Q2 2023 holders
195
Holder diff
-24
| Investor | Q1 2023 Shares | Q2 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q2 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend