D.E. Shaw & Co
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D.E. Shaw & Co’s ATI ATI Stock Holding History

D.E. Shaw & Co’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
Q1 		$253M Sell
1,742,609
-280,012
-14% -$39M 0.15% 141
2025
Q4 		$232M Sell
2,022,621
-1,004,481
-33% -$97.9M 0.13% 163
2025
Q3 		$246M Sell
3,027,102
-486,846
-14% -$39.5M 0.14% 157
2025
Q2 		$303M Buy
3,513,948
+1,874,654
+114% +$128M 0.22% 91
2025
Q1 		$85.3M Buy
1,639,294
+175,681
+12% +$9.97M 0.08% 322
2024
Q4 		$80.6M Buy
1,463,613
+181,272
+14% +$10.7M 0.06% 394
2024
Q3 		$85.8M Buy
1,282,341
+166,781
+15% +$10.4M 0.07% 319
2024
Q2 		$61.9M Buy
1,115,560
+534,012
+92% +$29.9M 0.06% 386
2024
Q1 		$29.8M Sell
581,548
-651,809
-53% -$29.5M 0.03% 693
2023
Q4 		$56.1M Buy
1,233,357
+1,020
+0.1% +$42.4K 0.05% 442
2023
Q3 		$50.7M Sell
1,232,337
-980,619
-44% -$43.6M 0.05% 424
2023
Q2 		$97.9M Sell
2,212,956
-498,202
-18% -$19.1M 0.1% 231
2023
Q1 		$107M Sell
2,711,158
-594,732
-18% -$22.5M 0.11% 203
2022
Q4 		$98.7M Sell
3,305,890
-91,207
-3% -$2.67M 0.11% 206
2022
Q3 		$90.4M Sell
3,397,097
-61,151
-2% -$1.7M 0.11% 197
2022
Q2 		$78.5M Sell
3,458,248
-161,145
-4% -$4.25M 0.09% 248
2022
Q1 		$97.1M Sell
3,619,393
-11,769
-0.3% -$273K 0.09% 241
2021
Q4 		$57.8M Sell
3,631,162
-407,997
-10% -$6.55M 0.05% 484
2021
Q3 		$67.2M Buy
4,039,159
+240,270
+6% +$4.54M 0.06% 397
2021
Q2 		$79.2M Sell
3,798,889
-26,930
-0.7% -$618K 0.07% 347
2021
Q1 		$80.6M Sell
3,825,819
-229,597
-6% -$4.49M 0.08% 307
2020
Q4 		$68M Sell
4,055,416
-699,108
-15% -$8.88M 0.06% 384
2020
Q3 		$41.5M Buy
4,754,524
+867,239
+22% +$7.98M 0.04% 493
2020
Q2 		$39.6M Buy
3,887,285
+2,086,190
+116% +$18.1M 0.05% 450
2020
Q1 		$15.3M Buy
1,801,095
+570,324
+46% +$9.11M 0.02% 770
2019
Q4 		$25.4M Sell
1,230,771
-49,621
-4% -$1.08M 0.03% 691
2019
Q3 		$25.9M Buy
1,280,392
+857,325
+203% +$18.1M 0.03% 654
2019
Q2 		$10.7M Sell
423,067
-40,487
-9% -$987K 0.01% 1099
2019
Q1 		$11.9M Sell
463,554
-361,007
-44% -$9.51M 0.02% 1003
2018
Q4 		$17.9M Buy
824,561
+24,241
+3% +$629K 0.02% 756
2018
Q3 		$23.6M Sell
800,320
-318,059
-28% -$8.55M 0.03% 693
2018
Q2 		$28.1M Sell
1,118,379
-730,360
-40% -$19.8M 0.04% 563
2018
Q1 		$43.8M Buy
1,848,739
+887,429
+92% +$23.8M 0.06% 392
2017
Q4 		$23.2M Buy
961,310
+663,051
+222% +$15.8M 0.03% 619
2017
Q3 		$7.13M Sell
298,259
-125,096
-30% -$2.47M 0.01% 1142
2017
Q2 		$7.2M Sell
423,355
-763,342
-64% -$12.8M 0.01% 1089
2017
Q1 		$21.3M Buy
1,186,697
+382,701
+48% +$7.19M 0.04% 542
2016
Q4 		$12.8M Sell
803,996
-162,424
-17% -$2.7M 0.02% 826
2016
Q3 		$17.5M Sell
966,420
-507,436
-34% -$8.41M 0.03% 630
2016
Q2 		$18.8M Sell
1,473,856
-348,230
-19% -$4.98M 0.03% 571
2016
Q1 		$29.7M Sell
1,822,086
-681,630
-27% -$8.3M 0.05% 408
2015
Q4 		$28.2M Buy
2,503,716
+1,475,972
+144% +$20.3M 0.04% 488
2015
Q3 		$14.6M Buy
1,027,744
+978,357
+1,981% +$20.3M 0.02% 754
2015
Q2 		$1.49M Buy
49,387
+38,838
+368% +$1.28M ﹤0.01% 2419
2015
Q1 		$317K Sell
10,549
-132,913
-93% -$4.13M ﹤0.01% 3275
2014
Q4 		$4.99M Sell
143,462
-7,779
-5% -$257K 0.01% 1572
2014
Q3 		$5.61M Buy
151,241
+141,034
+1,382% +$5.93M 0.01% 1492
2014
Q2 		$460K Buy
+10,207
New +$418K ﹤0.01% 3601
2014
Q1 		– Sell
-42,712
Closed -$1.44M – 4259
2013
Q4 		$1.52M Buy
42,712
+9,216
+28% +$303K ﹤0.01% 2778
2013
Q3 		$1.02M Sell
33,496
-170,235
-84% -$4.77M ﹤0.01% 3023
2013
Q2 		$5.36M Buy
+203,731
New +$5.74M 0.01% 1307

Other funds holding ATI

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

D.E. Shaw & Co's ATI Position: Q1 2026 in Review

D.E. Shaw & Co reduced its ATI (ATI) stake by 14% in Q1 2026, selling an estimated $39M and leaving 1,742,609 shares worth $253M. The position accounts for 0.15% of the portfolio, ranked #141.

D.E. Shaw & Co first reported a position in ATI in Q2 2013 and has held it in 51 quarters since. The position peaked at $303M in Q2 2025. 673 funds tracked by Wall St. Rank hold ATI as of Q1 2026.

  • D.E. Shaw & Co held 1,742,609 shares of ATI worth $253M as of Q1 2026.
  • D.E. Shaw & Co sold 280,012 ATI shares in Q1 2026, an estimated $39M.
  • ATI made up 0.15% of D.E. Shaw & Co's portfolio in Q1 2026, its #141 holding.
  • D.E. Shaw & Co first reported a position in ATI in Q2 2013 and has held it in 51 quarters since.
  • D.E. Shaw & Co's ATI position peaked at $303M in Q2 2025.
  • 673 funds tracked by Wall St. Rank held ATI as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.