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
Q2 		$6.04M Buy
108,800
+88,900
+447% +$5.4M ﹤0.01% 3444
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 $2.3T AUM 54.33% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
MIM
Merewether Investment Management Dallas, Texas $5.31B AUM 73.7% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return

Jane Street's TS Position: Q2 2026 in Review

Jane Street increased its Tenaris (TS) stake by 611% in Q2 2026, buying an estimated $37.4M and bringing the position to 716,734 shares worth $39.8M. The position accounts for ﹤0.01% of the portfolio, ranked #1593.

Jane Street first reported a position in TS in Q3 2013 and has held it in 43 quarters since. 282 funds tracked by Wall St. Rank hold TS as of Q2 2026.

  • Jane Street held 716,734 shares of Tenaris worth $39.8M as of Q2 2026.
  • Jane Street bought 615,896 Tenaris shares in Q2 2026, an estimated $37.4M.
  • Tenaris made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #1593 holding.
  • Jane Street first reported a position in Tenaris in Q3 2013 and has held it in 43 quarters since.
  • 282 funds tracked by Wall St. Rank held Tenaris as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.