Jane Street
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Jane Street’s ATI ATI Stock Holding History

Jane Street’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 		$18.2M Buy
92,200
+71,700
+350% +$12.2M ﹤0.01% 2238
2026
Q1 		$2.98M Sell
20,500
-16,300
-44% -$2.27M ﹤0.01% 4354
2025
Q4 		$4.22M Sell
36,800
-37,000
-50% -$3.61M ﹤0.01% 3499
2025
Q3 		$6M Buy
73,800
+38,700
+110% +$3.14M ﹤0.01% 3152
2025
Q2 		$3.03M Buy
35,100
+25,200
+255% +$1.72M ﹤0.01% 3731
2025
Q1 		$515K Buy
+9,900
New +$562K ﹤0.01% 6804
2024
Q4 		– Sell
-20,900
Closed -$1.4M – 9356
2024
Q3 		$1.4M Buy
+20,900
New +$1.3M ﹤0.01% 5206
2023
Q4 		– Sell
-5,200
Closed -$214K – 9159
2023
Q3 		$214K Sell
5,200
-2,200
-30% -$97.8K ﹤0.01% 7528
2023
Q2 		$327K Sell
7,400
-700
-9% -$26.8K ﹤0.01% 6991
2023
Q1 		$320K Sell
8,100
-25,500
-76% -$963K ﹤0.01% 7085
2022
Q4 		$1M Buy
33,600
+24,400
+265% +$714K ﹤0.01% 4982
2022
Q3 		$245K Sell
9,200
-135,300
-94% -$3.77M ﹤0.01% 7865
2022
Q2 		$3.28M Buy
144,500
+27,900
+24% +$735K ﹤0.01% 3304
2022
Q1 		$3.13M Buy
116,600
+22,700
+24% +$526K ﹤0.01% 3861
2021
Q4 		$1.5M Buy
+93,900
New +$1.51M ﹤0.01% 5087
2021
Q3 		– Sell
-11,000
Closed -$229K – 9889
2021
Q2 		$229K Sell
11,000
-400
-4% -$9.17K ﹤0.01% 8608
2021
Q1 		$240K Hold
11,400
– – ﹤0.01% 8019
2020
Q4 		$191K Sell
11,400
-20,400
-64% -$259K ﹤0.01% 6971
2020
Q3 		$277K Buy
+31,800
New +$293K ﹤0.01% 5992
2018
Q4 		– Sell
-17,600
Closed -$520K – 4905
2018
Q3 		$520K Buy
+17,600
New +$473K ﹤0.01% 3574
2018
Q2 		– Sell
-13,000
Closed -$308K – 4943
2018
Q1 		$308K Buy
+13,000
New +$349K ﹤0.01% 3992

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

Jane Street's ATI Position: Q2 2026 in Review

Jane Street reduced its ATI (ATI) stake by 5.4% in Q2 2026, selling an estimated $13.6M and leaving 1,410,930 shares worth $278M. The position accounts for 0.02% of the portfolio, ranked #456.

Jane Street first reported a position in ATI in Q3 2013 and has held it in 43 quarters since. 793 funds tracked by Wall St. Rank hold ATI as of Q2 2026.

  • Jane Street held 1,410,930 shares of ATI worth $278M as of Q2 2026.
  • Jane Street sold 80,333 ATI shares in Q2 2026, an estimated $13.6M.
  • ATI made up 0.02% of Jane Street's portfolio in Q2 2026, its #456 holding.
  • Jane Street first reported a position in ATI in Q3 2013 and has held it in 43 quarters since.
  • 793 funds tracked by Wall St. Rank held ATI as of Q2 2026.

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