Marshall Wace’s Tenaris TS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$465K Buy
+8,000
New +$394K ﹤0.01% 2484
2025
Q3
Sell
-10,060
Closed -$376K 3414
2025
Q2
$376K Sell
10,060
-93,070
-90% -$3.19M ﹤0.01% 2244
2025
Q1
$4.03M Sell
103,130
-324,953
-76% -$12.5M 0.01% 1168
2024
Q4
$16.2M Buy
+428,083
New +$15.2M 0.02% 610
2024
Q3
Sell
-714,161
Closed -$21.8M 2967
2024
Q2
$21.8M Sell
714,161
-133,628
-16% -$4.63M 0.03% 470
2024
Q1
$33.3M Buy
847,789
+152,976
+22% +$5.3M 0.05% 350
2023
Q4
$24.2M Sell
694,813
-802,890
-54% -$26.9M 0.04% 421
2023
Q3
$47.3M Buy
1,497,703
+59,789
+4% +$1.93M 0.1% 215
2023
Q2
$43.1M Buy
1,437,914
+576,909
+67% +$16M 0.08% 256
2023
Q1
$24.5M Sell
861,005
-22,428
-3% -$739K 0.05% 396
2022
Q4
$31.1M Buy
+883,433
New +$28.3M 0.07% 320
2022
Q3
Sell
-1,616,258
Closed -$41.5M 3801
2022
Q2
$41.5M Sell
1,616,258
-1,395,402
-46% -$43M 0.09% 246
2022
Q1
$90.6M Buy
3,011,660
+1,135,745
+61% +$29.5M 0.17% 122
2021
Q4
$39.1M Buy
+1,875,915
New +$41M 0.07% 272
2021
Q1
Sell
-42,146
Closed -$673K 2864
2020
Q4
$673K Buy
+42,146
New +$561K ﹤0.01% 1366
2020
Q2
Sell
-570,240
Closed -$6.87M 1952
2020
Q1
$6.87M Buy
570,240
+513,264
+901% +$9.43M 0.07% 290
2019
Q4
$1.29M Sell
56,976
-221,879
-80% -$4.77M 0.01% 922
2019
Q3
$5.91M Buy
278,855
+128,213
+85% +$3M 0.05% 456
2019
Q2
$3.96M Sell
150,642
-600,623
-80% -$16.1M 0.03% 559
2019
Q1
$21.2M Buy
751,265
+348,856
+87% +$9M 0.2% 111
2018
Q4
$8.58M Buy
+402,409
New +$11.2M 0.09% 290
2017
Q1
Sell
-110,389
Closed -$3.94M 733
2016
Q4
$3.94M Buy
110,389
+347
+0.3% +$10.9K 0.03% 521
2016
Q3
$3.13M Buy
+110,042
New +$3.02M 0.02% 506
2014
Q4
Sell
-122,185
Closed -$5.57M 970
2014
Q3
$5.57M Buy
122,185
+116,839
+2,186% +$5.25M 0.08% 272
2014
Q2
$252K Buy
+5,346
New +$240K ﹤0.01% 797

Other funds holding TS

Marshall Wace's TS Position: Q1 2026 in Review

Marshall Wace opened a new position in Tenaris (TS) in Q1 2026: 8,000 shares worth $465K. The stake represents ﹤0.01% of the portfolio and ranks #2484 among its holdings. This is a return to the name: Marshall Wace previously reported a position in TS as recently as Q2 2025.

Marshall Wace first reported a position in TS in Q2 2014 and has held it in 25 quarters since. The position peaked at $90.6M in Q1 2022. 263 funds tracked by Wall St. Rank hold TS as of Q1 2026.

  • Marshall Wace held 8,000 shares of Tenaris worth $465K as of Q1 2026.
  • Tenaris was a new Marshall Wace position in Q1 2026.
  • Tenaris made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2484 holding.
  • Marshall Wace first reported a position in Tenaris in Q2 2014 and has held it in 25 quarters since.
  • Marshall Wace's Tenaris position peaked at $90.6M in Q1 2022.
  • 263 funds tracked by Wall St. Rank held Tenaris as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.