Tenaris SA - 存託憑證（普通股）
US ˙ NYSE ˙ US88031M1099

SecurityTS / Tenaris S.A. - Depositary Receipt (Common Stock)
InstitutionAperio Group, LLC
Latest Disclosed Ownership488,044 shares
Latest Disclosed Value $ 7,784,000
Aperio Group, LLC reports 37.97% increase in ownership of TS / Tenaris S.A. - Depositary Receipt (Common Stock)

On February 5, 2021 - Aperio Group, LLC filed a 13F-HR form disclosing ownership of 488,044 shares of Tenaris S.A. - Depositary Receipt (Common Stock) (US:TS) valued at $7,784,302 USD as of December 31, 2020. The entity filed a previous 13F-HR on November 6, 2020 disclosing 353,739 shares of Tenaris S.A. - Depositary Receipt (Common Stock). This represents a change in shares of 37.97% during the quarter. The current value of the position is $29,985,423 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)
2021-02-05 2020-12-31 13F TENARIS SPONSORED ADS 88031M109 488,044 134,305 37.97 7,784 123.42 0.0230
2020-11-06 2020-09-30 13F TENARIS SPONSORED ADS 88031M109 353,739 -81,416 -18.71 3,484 -38.08 0.0118
2020-08-13 2020-06-30 13F TENARIS S A SPONSORED ADS 88031M109 435,155 60,043 16.01 5,627 24.49 0.0208
2020-05-05 2020-03-31 13F TENARIS SPONSORED ADS 88031M109 375,112 155,041 70.45 4,520 -9.27 0.0200
2020-02-13 2019-12-31 13F TENARIS SPONSORED ADS 88031M109 220,071 -50,263 -18.59 4,982 -12.99 0.0179
2019-11-06 2019-09-30 13F TENARIS SPONSORED ADS 88031M109 270,334 -60,152 -18.20 5,726 -34.15 0.0226
2019-07-30 2019-06-30 13F TENARIS SPONSORED ADS 88031M109 330,486 6,972 2.16 8,695 -4.86 0.0355
2019-05-13 2019-03-31 13F TENARIS S A SPONSORED ADR 88031M109 323,514 31,587 10.82 9,139 46.83 0.0394
2019-05-06 2018-12-31 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 291,927 43,681 17.60 6,224 -25.20 0.0314
2019-02-14 2018-12-31 13F TENARIS S A SPONSORED ADR 88031M109 291,529 43,283 6,215
2019-05-06 2018-09-30 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 248,246 2,455 1.00 8,321 -6.97 0.0367
2018-10-17 2018-09-30 13F TENARIS S A SPONSORED COMMON 88031M109 248,246 2,455 8,321
2019-05-06 2018-06-30 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 245,791 -29,389 -10.68 8,944 -6.25 0.0428
2018-07-30 2018-06-30 13F TENARIS S A SPONSORED COMMON 88031M109 245,791 -29,389 8,944
2019-05-01 2018-03-31 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 275,180 50,670 22.57 9,540 33.37 0.0475
2018-05-08 2018-03-31 13F TENARIS S A SPONSORED COMMON 88031M109 275,180 50,670 9,540
2019-05-01 2017-12-31 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 224,510 42,792 23.55 7,153 39.06 0.0369
2018-02-02 2017-12-31 13F TENARIS S A SPONSORED COMMON 88031M109 224,510 42,792 7,153
2019-05-01 2017-09-30 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 181,718 -26,984 -12.93 5,144 -20.85 0.0291
2017-10-25 2017-09-30 13F TENARIS S A SPONSORED COMMON 88031M109 181,718 -26,984 5,144
2019-04-22 2017-06-30 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 208,702 22,536 12.11 6,499 2.25 0.0398
2017-07-18 2017-06-30 13F TENARIS S A SPONSORED COMMON 88031M109 208,702 22,536 6,499
2019-04-22 2017-03-31 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 186,166 10,901 6.22 6,356 1.55 0.0435
2017-05-05 2017-03-31 13F TENARIS S A SPONSORED COMMON 88031M109 186,166 10,901 6,356
2019-04-22 2016-12-31 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 175,265 -100,823 -36.52 6,259 -20.18 0.0479
2017-02-14 2016-12-31 13F TENARIS S A SPONSORED COMMON 88031M109 175,265 -100,823 6,259
2019-04-12 2016-09-30 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 276,088 51,066 22.69 7,841 20.82 0.0568
2016-11-01 2016-09-30 13F TENARIS S A SPONSORED COMMON 88031M109 276,088 51,066 7,841
2019-04-12 2016-06-30 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 225,022 60,283 36.59 6,490 59.11 0.0507
2016-08-12 2016-06-30 13F TENARIS S A SPONSORED COMMON 88031M109 225,022 60,283 6,490
2019-04-12 2016-03-31 13F/A-1 TENARIS S A SPONSORED ADR 88031M109 164,739 -18,771 -10.23 4,079 -6.62 0.0349
2016-04-28 2016-03-31 13F TENARIS S A SPONSORED COMMON 88031M109 164,739 -18,771 4,079
2016-01-21 2015-12-31 13F TENARIS S A SPONSORED COMMON 88031M109 183,510 5,082 2.85 4,368 1.53 0.0400
2015-10-19 2015-09-30 13F TENARIS S A SPONSORED COMMON 88031M109 178,428 61,300 52.34 4,302 35.92 0.0438
2015-07-29 2015-06-30 13F TENARIS S A SPONSORED COMMON 88031M109 117,128 7,484 6.83 3,165 3.09 0.0327
2015-04-29 2015-03-31 13F TENARIS S A SPONSORED COMMON 88031M109 109,644 109,644 0.00 3,070 0.0344
2015-01-30 2014-12-31 13F TENARIS S A SPONSORED COMMON 88031M109 0 -106,538 -100.00 0 -100.00
2014-10-21 2014-09-30 13F TENARIS S A SPONSORED COMMON 88031M109 106,538 30,220 39.60 4,853 34.88 0.0656
2014-07-23 2014-06-30 13F TENARIS S A SPONSORED COMMON 88031M109 76,318 1,940 2.61 3,598 9.33 0.0522
2014-04-25 2014-03-31 13F TENARIS S A SPONSORED COMMON 88031M109 74,378 3,291 23.72 0.0463
2014-01-30 2013-12-31 13F TENARIS S A SPONSORED COMMON 88031M109 2,660 31.81 0.0413
2013-10-24 2013-09-30 13F TENARIS S A SPONSORED COMMON 88031M109 43,142 8,755 25.46 2,018 45.70 0.0389
2013-07-19 2013-06-30 13F TENARIS S A SPONSORED COMMON 88031M109 34,387 1,385
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.