Optiver Holding
TS icon

Optiver Holding’s Tenaris TS Stock Holding History

Optiver Holding’s Portfolio TS Stock Details TS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-905,328
Closed -$32.4M – 3008
2025
Q3 		$32.4M Buy
905,328
+589,625
+187% +$21.4M 0.01% 176
2025
Q2 		$11.8M Buy
315,703
+216,428
+218% +$7.42M 0.01% 173
2025
Q1 		$3.88M Sell
99,275
-400,302
-80% -$15.4M ﹤0.01% 227
2024
Q4 		$18.9M Buy
499,577
+176,514
+55% +$6.26M 0.01% 152
2024
Q3 		$10.3M Sell
323,063
-81,761
-20% -$2.43M 0.01% 237
2024
Q2 		$12.4M Buy
404,824
+192,449
+91% +$6.67M 0.01% 248
2024
Q1 		$8.34M Sell
212,375
-140,818
-40% -$4.88M ﹤0.01% 307
2023
Q4 		$12.3M Buy
353,193
+262,632
+290% +$8.8M 0.01% 265
2023
Q3 		$2.86M Buy
+90,561
New +$2.93M ﹤0.01% 354
2023
Q2 		– Sell
-456,332
Closed -$13M – 573
2023
Q1 		$13M Buy
456,332
+328,507
+257% +$10.8M 0.01% 269
2022
Q4 		$4.49M Sell
127,825
-32,710
-20% -$1.05M ﹤0.01% 278
2022
Q3 		$4.15M Sell
160,535
-225,501
-58% -$5.96M ﹤0.01% 213
2022
Q2 		$9.92M Sell
386,036
-92,879
-19% -$2.86M 0.01% 162
2022
Q1 		$14.4M Buy
478,915
+345,196
+258% +$8.98M 0.01% 128
2021
Q4 		$2.82M Hold
133,719
– – ﹤0.01% 210
2021
Q3 		$2.82M Buy
133,719
+117,994
+750% +$2.4M ﹤0.01% 176
2021
Q2 		$344K Sell
15,725
-94,428
-86% -$2.13M ﹤0.01% 204
2021
Q1 		$2.5M Buy
+110,153
New +$2.1M ﹤0.01% 131

Other funds holding TS

WGI
Westwood Global Investments Boston, Massachusetts $2.68B AUM 76.4% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Optiver Holding's TS Position: Q4 2025 in Review

Optiver Holding sold out of Tenaris (TS) in Q4 2025, closing a stake of 905,328 shares — an estimated $32.4M sold.

Optiver Holding first reported a position in TS in Q1 2021 and held it in 18 quarters. The position peaked at $32.4M in Q3 2025. 229 funds tracked by Wall St. Rank hold TS as of Q4 2025.

  • Optiver Holding reported no remaining Tenaris position as of Q4 2025 after selling out during the quarter.
  • Optiver Holding sold 905,328 Tenaris shares in Q4 2025, an estimated $32.4M.
  • Optiver Holding first reported a position in Tenaris in Q1 2021 and held it in 18 quarters.
  • Optiver Holding's Tenaris position peaked at $32.4M in Q3 2025.
  • 229 funds tracked by Wall St. Rank held Tenaris as of Q4 2025.

Based on Optiver Holding's 13F filing for Q4 2025, filed 17 Feb 2026.