Tenaris S.A. - Depositary Receipt (Common Stock)
US ˙ NYSE ˙ US88031M1099

SecurityTS / Tenaris S.A. - Depositary Receipt (Common Stock)
InstitutionUs Bancorp \de\
Latest Disclosed Ownership14,353 shares
Latest Disclosed Value $ 835,056
Us Bancorp \de\ reports 27.63% decrease in ownership of TS / Tenaris S.A. - Depositary Receipt (Common Stock)

On May 14, 2026 - Us Bancorp \de\ filed a 13F-HR form disclosing ownership of 14,353 shares of Tenaris S.A. - Depositary Receipt (Common Stock) (US:TS) valued at $835,058 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 19,834 shares of Tenaris S.A. - Depositary Receipt (Common Stock). This represents a change in shares of -27.63% during the quarter. The current value of the position is $918,879 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F TENARIS S A SPONSORED ADS 88031M109 14,353 -5,481 -27.63 835 9.58 0.0010
2026-01-30 2025-12-31 13F TENARIS S A SPONSORED ADS 88031M109 19,834 6,387 47.50 763 58.75 0.0009
2025-11-12 2025-09-30 13F TENARIS S A SPONSORED ADS 88031M109 13,447 -772 -5.43 481 -9.60 0.0006
2025-07-24 2025-06-30 13F TENARIS S A SPONSORED ADS 88031M109 14,219 1,130 8.63 532 3.91 0.0007
2025-05-08 2025-03-31 13F TENARIS S A SPONSORED ADS 88031M109 13,089 -2,031 -13.43 512 -10.51 0.0007
2025-02-05 2024-12-31 13F TENARIS S A SPONSORED ADS 88031M109 15,120 1,061 7.55 571 28.03 0.0007
2024-10-28 2024-09-30 13F TENARIS S A SPONSORED ADS 88031M109 14,059 -28,159 -66.70 447 -65.37 0.0006
2024-08-07 2024-06-30 13F TENARIS S A SPONSORED ADS 88031M109 42,218 -44,133 -51.11 1,288 -62.02 0.0018
2024-05-08 2024-03-31 13F TENARIS S A SPONSORED ADS 88031M109 86,351 72,902 542.06 3,391 626.12 0.0047
2024-02-09 2023-12-31 13F TENARIS S A SPONSORED ADS 88031M109 13,449 114 0.85 467 10.93 0.0007
2023-11-03 2023-09-30 13F TENARIS S A SPONSORED ADS 88031M109 13,335 498 3.88 421 9.64 0.0007
2023-08-10 2023-06-30 13F TENARIS S A SPONSORED ADS 88031M109 12,837 994 8.39 384 14.29 0.0006
2023-05-09 2023-03-31 13F TENARIS SA A D R COMMON STOCK 88031M109 11,843 757 6.83 337 -13.62 0.0006
2023-02-13 2022-12-31 13F TENARIS SA A D R COMMON STOCK 88031M109 11,086 -35 -0.31 390 35.07 0.0007
2022-10-27 2022-09-30 13F TENARIS SA A D R COMMON STOCK 88031M109 11,121 1,188 11.96 288 12.94 0.0006
2022-08-01 2022-06-30 13F TENARIS SA A D R COMMON STOCK 88031M109 9,933 369 3.86 255 -11.46 0.0005
2022-05-11 2022-03-31 13F TENARIS SA A D R COMMON STOCK 88031M109 9,564 31 0.33 288 44.72 0.0005
2022-02-11 2021-12-31 13F TENARIS SA A D R COMMON STOCK 88031M109 9,533 -251 -2.57 199 -3.86 0.0003
2021-11-10 2021-09-30 13F TENARIS SA A D R COMMON STOCK 88031M109 9,784 205 2.14 207 -0.96 0.0004
2021-08-05 2021-06-30 13F TENARIS SA A D R COMMON STOCK 88031M109 9,579 -685 -6.67 209 -10.68 0.0004
2021-04-28 2021-03-31 13F TENARIS SA A D R COMMON STOCK 88031M109 10,264 886 9.45 234 56.00 0.0005
2021-02-04 2020-12-31 13F TENARIS SA A D R COMMON STOCK 88031M109 9,378 -414 -4.23 150 56.25 0.0003
2020-11-10 2020-09-30 13F TENARIS SA A D R COMMON STOCK 88031M109 9,792 -5,381 -35.46 96 -51.02 0.0002
2020-08-07 2020-06-30 13F TENARIS SA A D R COMMON STOCK 88031M109 15,173 -4,526 -22.98 196 -17.30 0.0005
2020-05-13 2020-03-31 13F TENARIS SA A D R COMMON STOCK 88031M109 19,699 10,611 116.76 237 15.61 0.0007
2020-02-04 2019-12-31 13F TENARIS SA A D R COMMON STOCK 88031M109 9,088 -4,125 -31.22 205 -26.52 0.0005
2019-11-08 2019-09-30 13F TENARIS SA A D R COMMON STOCK 88031M109 13,213 -6,636 -33.43 279 -46.65 0.0008
2019-08-13 2019-06-30 13F TENARIS SA A D R COMMON STOCK 88031M109 19,849 -5,038 -20.24 523 -25.71 0.0015
2019-05-08 2019-03-31 13F TENARIS SA A D R COMMON STOCK 88031M109 24,887 -49,179 -66.40 704 -55.41 0.0020
2019-02-13 2018-12-31 13F TENARIS COMMON STOCK 88031M109 74,066 -10,455 -12.37 1,579 -44.26 0.0051
2018-10-31 2018-09-30 13F TENARIS COMMON STOCK 88031M109 84,521 -1,425 -1.66 2,833 -9.40 0.0082
2018-08-08 2018-06-30 13F TENARIS COMMON STOCK 88031M109 85,946 -844 -0.97 3,127 3.92 0.0096
2018-05-08 2018-03-31 13F TENARIS COMMON STOCK 88031M109 86,790 -1,805 -2.04 3,009 6.59 0.0092
2018-02-02 2017-12-31 13F TENARIS COMMON STOCK 88031M109 88,595 -2,613 -2.86 2,823 9.33 0.0086
2017-11-13 2017-09-30 13F TENARIS COMMON STOCK 88031M109 91,208 -1,513 -1.63 2,582 -10.63 0.0083
2017-07-19 2017-06-30 13F TENARIS COMMON STOCK 88031M109 92,721 -884 -0.94 2,889 -9.63 0.0096
2017-05-03 2017-03-31 13F TENARIS COMMON STOCK 88031M109 93,605 -17,080 -15.43 3,197 -19.15 0.0110
2017-02-08 2016-12-31 13F TENARIS COMMON STOCK 88031M109 110,685 11,293 11.36 3,954 40.01 0.0142
2016-11-04 2016-09-30 13F TENARIS COMMON STOCK 88031M109 99,392 17,193 20.92 2,824 19.11 0.0105
2016-08-10 2016-06-30 13F TENARIS COMMON STOCK 88031M109 82,199 78,427 2,079.19 2,371 2,449.46 0.0090
2016-05-13 2016-03-31 13F TENARIS SA A D R COMMON STOCK 88031M109 3,772 1,742 85.81 93 93.75 0.0004
2016-02-10 2015-12-31 13F TENARIS SA A D R COMMON STOCK 88031M109 2,030 -1,853 -47.72 48 -48.94 0.0002
2015-11-16 2015-09-30 13F TENARIS SA ADR COMMON STOCK 88031M109 3,883 695 21.80 94 9.30 0.0004
2015-08-10 2015-06-30 13F TENARIS SA ADR COMMON STOCK 88031M109 3,188 1,746 121.08 86 109.76 0.0003
2015-05-08 2015-03-31 13F TENARIS SA ADR COMMON STOCK 88031M109 1,442 970 205.51 41 192.86 0.0002
2015-02-13 2014-12-31 13F TENARIS SA ADR COMMON STOCK 88031M109 472 -195 -29.24 14 -53.33 0.0001
2014-11-14 2014-09-30 13F TENARIS SA ADR COMMON STOCK 88031M109 667 -974 -59.35 30 -61.04 0.0001
2014-08-14 2014-06-30 13F TENARIS SA ADR COMMON STOCK 88031M109 1,641 -267 -13.99 77 -8.33 0.0003
2014-05-14 2014-03-31 13F TENARIS SA ADR COMMON STOCK 88031M109 1,908 235 14.05 84 15.07 0.0003
2014-02-13 2013-12-31 13F TENARIS SA ADR COMMON STOCK 88031M109 1,673 -73 -4.18 73 -10.98 0.0003
2013-11-07 2013-09-30 13F TENARIS SA ADR COMMON STOCK 88031M109 1,746 820 88.55 82 121.62 0.0004
2013-08-09 2013-06-30 13F TENARIS SA ADR COMMON STOCK 88031M109 926 926 37 0.0002
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.