Jane Street
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Jane Street’s Tenaris TS Stock Holding History

Jane Street’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
2026
Q1 		$1.16M Buy
19,900
+14,100
+243% +$695K ﹤0.01% 6201
2025
Q4 		$223K Sell
5,800
-22,000
-79% -$848K ﹤0.01% 9505
2025
Q3 		$994K Buy
27,800
+14,400
+107% +$523K ﹤0.01% 6321
2025
Q2 		$501K Buy
+13,400
New +$460K ﹤0.01% 6921
2024
Q4 		– Sell
-9,600
Closed -$305K – 10613
2024
Q3 		$305K Buy
9,600
+2,500
+35% +$74.2K ﹤0.01% 8011
2024
Q2 		$217K Sell
7,100
-17,200
-71% -$596K ﹤0.01% 8272
2024
Q1 		$954K Sell
24,300
-6,100
-20% -$211K ﹤0.01% 5507
2023
Q4 		$1.06M Sell
30,400
-5,300
-15% -$178K ﹤0.01% 5471
2023
Q3 		$1.13M Buy
+35,700
New +$1.15M ﹤0.01% 4994
2023
Q2 		– Sell
-7,900
Closed -$224K – 9578
2023
Q1 		$224K Sell
7,900
-44,800
-85% -$1.48M ﹤0.01% 7671
2022
Q4 		$1.84M Buy
52,700
+20,800
+65% +$666K ﹤0.01% 3993
2022
Q3 		$830K Sell
31,900
-28,500
-47% -$754K ﹤0.01% 5764
2022
Q2 		$1.55M Buy
60,400
+26,200
+77% +$808K ﹤0.01% 4640
2022
Q1 		$1.04M Buy
34,200
+17,500
+105% +$455K ﹤0.01% 6053
2021
Q4 		$350K Sell
16,700
-10,200
-38% -$223K ﹤0.01% 7896
2021
Q3 		$566K Buy
26,900
+7,300
+37% +$148K ﹤0.01% 7049
2021
Q2 		$427K Sell
19,600
-5,400
-22% -$122K ﹤0.01% 7530
2021
Q1 		$564K Buy
+25,000
New +$478K ﹤0.01% 6580

Other funds holding TS

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
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
VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return

Jane Street's TS Position: Q1 2026 in Review

Jane Street opened a new position in Tenaris (TS) in Q1 2026: 100,838 shares worth $5.87M. The stake represents ﹤0.01% of the portfolio and ranks #3277 among its holdings. This is a return to the name: Jane Street previously reported a position in TS as recently as Q3 2025.

Jane Street first reported a position in TS in Q3 2013 and has held it in 42 quarters since. The position peaked at $34.4M in Q4 2015. 263 funds tracked by Wall St. Rank hold TS as of Q1 2026.

  • Jane Street held 100,838 shares of Tenaris worth $5.87M as of Q1 2026.
  • Tenaris was a new Jane Street position in Q1 2026.
  • Tenaris made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #3277 holding.
  • Jane Street first reported a position in Tenaris in Q3 2013 and has held it in 42 quarters since.
  • Jane Street's Tenaris position peaked at $34.4M in Q4 2015.
  • 263 funds tracked by Wall St. Rank held Tenaris as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.