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Winton Group’s ATI ATI Stock Holding History

Winton Group’s Portfolio ATI Stock Details ATI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.64M Buy
13,394
+4,494
+50% +$762K 0.09% 251
2026
Q1 		$1.29M Sell
8,900
-2,200
-20% -$306K 0.05% 444
2025
Q4 		$1.27M Sell
11,100
-86,399
-89% -$8.42M 0.04% 396
2025
Q3 		$7.93M Buy
97,499
+91,268
+1,465% +$7.4M 0.3% 81
2025
Q2 		$538K Sell
6,231
-14,599
-70% -$999K 0.03% 577
2025
Q1 		$1.08M Sell
20,830
-30,086
-59% -$1.71M 0.07% 343
2024
Q4 		$2.8M Sell
50,916
-65,553
-56% -$3.87M 0.19% 132
2024
Q3 		$7.79M Buy
116,469
+83,984
+259% +$5.21M 0.55% 27
2024
Q2 		$1.8M Buy
32,485
+18,842
+138% +$1.06M 0.12% 134
2024
Q1 		$698K Buy
13,643
+5,414
+66% +$245K 0.05% 417
2023
Q4 		$374K Sell
8,229
-1,992
-19% -$82.7K 0.03% 461
2023
Q3 		$421K Sell
10,221
-333
-3% -$14.8K 0.03% 331
2023
Q2 		$467K Buy
+10,554
New +$404K 0.04% 349
2019
Q3 		– Sell
-13,875
Closed -$350K – 1523
2019
Q2 		$350K Sell
13,875
-4,487
-24% -$109K 0.01% 824
2019
Q1 		$470K Buy
+18,362
New +$484K 0.01% 606
2017
Q2 		– Sell
-24,899
Closed -$447K – 601
2017
Q1 		$447K Buy
+24,899
New +$468K 0.01% 404

Other funds holding ATI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Winton Group's ATI Position: Q2 2026 in Review

Winton Group increased its ATI (ATI) stake by 50% in Q2 2026, buying an estimated $762K and bringing the position to 13,394 shares worth $2.64M. The position accounts for 0.09% of the portfolio, ranked #251.

Winton Group first reported a position in ATI in Q1 2017 and has held it in 16 quarters since. The position peaked at $7.93M in Q3 2025. 791 funds tracked by Wall St. Rank hold ATI as of Q2 2026.

  • Winton Group held 13,394 shares of ATI worth $2.64M as of Q2 2026.
  • Winton Group bought 4,494 ATI shares in Q2 2026, an estimated $762K.
  • ATI made up 0.09% of Winton Group's portfolio in Q2 2026, its #251 holding.
  • Winton Group first reported a position in ATI in Q1 2017 and has held it in 16 quarters since.
  • Winton Group's ATI position peaked at $7.93M in Q3 2025.
  • 791 funds tracked by Wall St. Rank held ATI as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.