Simplex Trading
ATI icon

Simplex Trading’s ATI ATI Stock Holding History

Simplex Trading’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 		$4.97M Sell
34,200
-14,700
-30% -$2.05M ﹤0.01% 1112
2025
Q4 		$5.61M Buy
48,900
+19,600
+67% +$1.91M ﹤0.01% 1196
2025
Q3 		$2.38M Sell
29,300
-57,700
-66% -$4.68M ﹤0.01% 2144
2025
Q2 		$7.51M Buy
87,000
+60,300
+226% +$4.13M ﹤0.01% 1069
2025
Q1 		$1.39M Buy
26,700
+21,800
+445% +$1.24M ﹤0.01% 2388
2024
Q4 		$269K Sell
4,900
-38,900
-89% -$2.29M ﹤0.01% 4183
2024
Q3 		$2.93M Buy
43,800
+17,700
+68% +$1.1M ﹤0.01% 1946
2024
Q2 		$1.45M Sell
26,100
-12,100
-32% -$678K ﹤0.01% 2527
2024
Q1 		$1.95M Buy
38,200
+9,300
+32% +$421K ﹤0.01% 2422
2023
Q4 		$1.31M Sell
28,900
-6,400
-18% -$266K ﹤0.01% 2754
2023
Q3 		$1.45M Sell
35,300
-1,400
-4% -$62.2K ﹤0.01% 2346
2023
Q2 		$1.62M Sell
36,700
-53,000
-59% -$2.03M ﹤0.01% 2147
2023
Q1 		$3.54M Sell
89,700
-1,300
-1% -$49.1K ﹤0.01% 1510
2022
Q4 		$2.72M Buy
91,000
+47,000
+107% +$1.38M ﹤0.01% 1634
2022
Q3 		$1.17M Buy
44,000
+24,200
+122% +$674K ﹤0.01% 2473
2022
Q2 		$449K Buy
19,800
+8,000
+68% +$211K ﹤0.01% 3568
2022
Q1 		$316K Buy
11,800
+7,900
+203% +$183K ﹤0.01% 4474
2021
Q4 		$62K Sell
3,900
-48,400
-93% -$777K ﹤0.01% 6936
2021
Q3 		$1.11M Hold
52,300
– – ﹤0.01% 2916
2021
Q2 		$1.09M Buy
52,300
+51,738
+9,206% +$1.19M ﹤0.01% 2982
2021
Q1 		$1.18M Buy
562
+159
+39% +$3.11K ﹤0.01% 2203
2020
Q4 		$675K Sell
403
-381
-49% -$4.84K ﹤0.01% 3056
2020
Q3 		$683K Buy
784
+393
+101% +$3.62K ﹤0.01% 2661
2020
Q2 		$398K Buy
391
+63
+19% +$546 ﹤0.01% 3189
2020
Q1 		$278K Sell
328
-233
-42% -$3.72K ﹤0.01% 3219
2019
Q4 		$1.16M Buy
561
+389
+226% +$8.43K ﹤0.01% 1958
2019
Q3 		$348K Buy
172
+146
+562% +$3.09K ﹤0.01% 3013
2019
Q2 		$65K Sell
26
-5
-16% -$122 ﹤0.01% 4611
2019
Q1 		$79K Sell
31
-45
-59% -$1.19K ﹤0.01% 4588
2018
Q4 		$165K Buy
76
+21
+38% +$544 ﹤0.01% 3353
2018
Q3 		$162K Sell
55
-39
-41% -$1.05K ﹤0.01% 3887
2018
Q2 		$236K Sell
94
-92
-49% -$2.49K ﹤0.01% 3279
2018
Q1 		$16K Buy
186
+4
+2% +$107 ﹤0.01% 3550
2017
Q4 		$43K Sell
182
-192
-51% -$4.57K ﹤0.01% 2589
2017
Q3 		$142K Buy
374
+49
+15% +$969 0.01% 1438
2017
Q2 		$36K Buy
325
+190
+141% +$3.2K ﹤0.01% 2688
2017
Q1 		$7K Sell
135
-243
-64% -$4.57K ﹤0.01% 4266
2016
Q4 		$16K Buy
378
+157
+71% +$2.61K ﹤0.01% 3226
2016
Q3 		$65K Buy
221
+45
+26% +$746 ﹤0.01% 1887
2016
Q2 		$20K Buy
176
+135
+329% +$1.93K ﹤0.01% 2886
2016
Q1 		$6K Buy
+41
New +$499 ﹤0.01% 3898
2015
Q3 		– Sell
-43
Closed -$16K – 5473
2015
Q2 		$16K Buy
43
+5
+13% +$165 ﹤0.01% 2651
2015
Q1 		$19K Buy
38
+23
+153% +$715 ﹤0.01% 2360
2014
Q4 		$4K Buy
+15
New +$496 ﹤0.01% 3208

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

Simplex Trading's ATI Position: Q1 2026 in Review

Simplex Trading sold out of ATI (ATI) in Q1 2026, closing a stake of 9,545 shares — an estimated $1.33M sold.

Simplex Trading first reported a position in ATI in Q4 2014 and held it in 22 quarters. The position peaked at $1.36M in Q2 2022. 673 funds tracked by Wall St. Rank hold ATI as of Q1 2026.

  • Simplex Trading reported no remaining ATI position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 9,545 ATI shares in Q1 2026, an estimated $1.33M.
  • Simplex Trading first reported a position in ATI in Q4 2014 and held it in 22 quarters.
  • Simplex Trading's ATI position peaked at $1.36M in Q2 2022.
  • 673 funds tracked by Wall St. Rank held ATI as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.