Security key
88031M109
TENARIS SA - Ordinary Shares, $1.00 par value per share (TS)
CUSIP: 88031M109
Q3 2023 13F Holders as of 30 Sep 2023
- Security type / class
- Equity / Ordinary Shares, $1.00 par value per share
- Total 13F shares
- 61,353,143
- Total 13F value
- $1,938,840,255
- Share change
- -7,612,357
- Put/Call ratio
- 83%
- SEC-reported price per share
- $31.60
- Number of holders
- 213
- Value change
- -$235,526,632
- Number of buys
- 102
- Number of sells
- 96
- 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
Q3 2023
Institutions
213
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
Perpetual Ltd
Disclosed value leader
Westwood Global Investmen...
Comparable rows
15/15
Latest evidence
30 Jun 2023
13F
Lead comparable stake: 1.2%
Showing 1-6 of 15 holder rows.
Quick read
Perpetual Ltd leads the comparable SEC ownership view at 1.2%.
15 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 Perpetual Ltd's linked filing trail.
Comparable ownership
Top 5
Perpetual Ltd
1.2%
Westwood Global Investments, LLC
0.85%
VAN ECK ASSOCIATES CORP
0.4%
HARDING LOEVNER LP
0.31%
FMR LLC
0.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Perpetual Ltd |
13F
Company
|
1.2%
|
$240,554,004
12,385,702 shares
|
— | 30 Jun 2023 |
| Westwood Global Investments, LLC |
13F
Company
|
0.85%
|
$257,042,910
8,582,401 shares
|
— | 30 Jun 2023 |
| VAN ECK ASSOCIATES CORP |
13F
Company
|
0.4%
|
$120,493,000
4,023,113 shares
|
— | 30 Jun 2023 |
| HARDING LOEVNER LP |
13F
Company
|
0.31%
|
$92,740,205
3,096,501 shares
|
— | 30 Jun 2023 |
| FMR LLC |
13F
Company
|
0.3%
|
$91,194,151
3,044,880 shares
|
— | 30 Jun 2023 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
0.28%
|
$84,228,000
2,812,291 shares
|
— | 30 Jun 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 Q3 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
213
Shares
61,353,143
Rows available
213
| 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 Q3 2023 vs Q2 2023 Across Filers
Q2 2023 holders
195
Q3 2023 holders
213
Holder diff
18
| Investor | Q2 2023 Shares | Q3 2023 Shares | Share Diff | Share Chg % | Q2 2023 value | Q3 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend