Acadian Asset Management
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Acadian Asset Management’s Tenaris TS Stock Holding History

Acadian Asset Management’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 		$176K Buy
3,050
+939
+44% +$46.3K ﹤0.01% 1625
2025
Q4 		$81K Buy
+2,111
New +$81.4K ﹤0.01% 1727
2025
Q1 		– Sell
-14,339
Closed -$541K – 1818
2024
Q4 		$541K Buy
+14,339
New +$509K ﹤0.01% 1055
2024
Q2 		– Sell
-550,979
Closed -$21.6M – 1906
2024
Q1 		$21.6M Buy
550,979
+548,276
+20,284% +$19M 0.08% 196
2023
Q4 		$93K Sell
2,703
-126,814
-98% -$4.25M ﹤0.01% 1367
2023
Q3 		$4.09M Buy
+129,517
New +$4.19M 0.02% 498
2022
Q4 		– Sell
-4,543
Closed -$116K – 1922
2022
Q3 		$116K Sell
4,543
-70,119
-94% -$1.85M ﹤0.01% 1331
2022
Q2 		$1.92M Buy
+74,662
New +$2.3M 0.01% 647
2017
Q2 		– Sell
-163
Closed -$6K – 1593
2017
Q1 		$6K Buy
163
+42
+35% +$1.43K ﹤0.01% 1471
2016
Q4 		$4K Buy
+121
New +$3.79K ﹤0.01% 1534

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

Acadian Asset Management's TS Position: Q1 2026 in Review

Acadian Asset Management increased its Tenaris (TS) stake by 44% in Q1 2026, buying an estimated $46.3K and bringing the position to 3,050 shares worth $176K. The position accounts for ﹤0.01% of the portfolio, ranked #1625.

Acadian Asset Management first reported a position in TS in Q4 2016 and has held it in 10 quarters since. The position peaked at $21.6M in Q1 2024. 263 funds tracked by Wall St. Rank hold TS as of Q1 2026.

  • Acadian Asset Management held 3,050 shares of Tenaris worth $176K as of Q1 2026.
  • Acadian Asset Management bought 939 Tenaris shares in Q1 2026, an estimated $46.3K.
  • Tenaris made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #1625 holding.
  • Acadian Asset Management first reported a position in Tenaris in Q4 2016 and has held it in 10 quarters since.
  • Acadian Asset Management's Tenaris position peaked at $21.6M in Q1 2024.
  • 263 funds tracked by Wall St. Rank held Tenaris as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.