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

SecurityTS / Tenaris S.A. - Depositary Receipt (Common Stock)
InstitutionFox Run Management, L.l.c.
Latest Disclosed Ownership11,153 shares
Latest Disclosed Value $ 637,952
Fox Run Management, L.l.c. ownership in TS / Tenaris S.A. - Depositary Receipt (Common Stock)

On May 12, 2026 - Fox Run Management, L.l.c. filed a 13F-HR form disclosing ownership of 11,153 shares of Tenaris S.A. - Depositary Receipt (Common Stock) (US:TS) valued at $648,882 USD as of March 31, 2026. The entity filed a previous 13F-HR on May 13, 2025 disclosing 0 shares of Tenaris S.A. - Depositary Receipt (Common Stock). The current value of the position is $714,015 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)
2026-05-12 2026-03-31 13F TENARIS S A SPONSORED ADS 88031M109 11,153 11,153 638 0.1116
2025-05-13 2025-03-31 13F TENARIS S A SPONSORED ADS 88031M109 0 -22,155 -100.00 0 -100.00
2025-02-11 2024-12-31 13F TENARIS S A SPONSORED ADS 88031M109 22,155 7,210 48.24 837 76.21 0.1520
2024-11-12 2024-09-30 13F TENARIS S A SPONSORED ADS 88031M109 14,945 6,778 82.99 475 90.76 0.1057
2024-08-13 2024-06-30 13F TENARIS S A SPONSORED ADS 88031M109 8,167 8,167 249 0.0469
2023-08-11 2023-06-30 13F TENARIS S A SPONSORED ADS 88031M109 0 -12,014 -100.00 0 -100.00
2023-05-12 2023-03-31 13F TENARIS S A SPONSORED ADS 88031M109 12,014 -12,702 -51.39 341 -60.76 0.1112
2023-02-07 2022-12-31 13F TENARIS S A SPONSORED ADS 88031M109 24,716 6,174 33.30 869 81.42 0.3489
2022-11-07 2022-09-30 13F TENARIS S A SPONSORED ADS 88031M109 18,542 18,542 479 0.1863
2022-05-10 2022-03-31 13F TENARIS S A SPONSORED ADS 88031M109 0 -14,196 -100.00 0 -100.00
2022-02-09 2021-12-31 13F TENARIS S A SPONSORED ADS 88031M109 14,196 14,196 296 0.1744
2019-01-15 2018-12-31 13F TENARIS S A SPONSORED ADR 88031M109 0 -15,637 -100.00 0 -100.00
2018-10-05 2018-09-30 13F TENARIS S A SPONSORED ADR 88031M109 15,637 2,306 17.30 524 8.04 0.2284
2018-07-17 2018-06-30 13F TENARIS S A SPONSORED ADR 88031M109 13,331 13,331 485 0.1538
2018-04-17 2018-03-31 13F TENARIS S A SPONSORED ADR 88031M109 0 -22,000 -100.00 0 -100.00
2018-01-18 2017-12-31 13F TENARIS S A SPONSORED ADR 88031M109 22,000 5,800 35.80 701 52.72 0.2053
2017-10-23 2017-09-30 13F TENARIS S A SPONSORED ADR 88031M109 16,200 16,200 459 0.1300
2016-07-18 2016-06-30 13F TENARIS S A SPONSORED ADR 88031M109 0 -18,700 -100.00 0 -100.00
2016-04-18 2016-03-31 13F TENARIS S A SPONSORED ADR 88031M109 18,700 18,700 463 0.3095
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.