Walleye Trading’s ATI ATI Stock Holding History

Walleye 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	$5.57M	Buy	38,300 +21,600	+129%	+$3.01M	0.01%	1088
2025 Q4	$1.92M	Sell	16,700 -15,300	-48%	-$1.49M	﹤0.01%	1945
2025 Q3	$2.6M	Buy	32,000 +20,900	+188%	+$1.69M	﹤0.01%	1644
2025 Q2	$958K	Buy	11,100 +2,800	+34%	+$192K	﹤0.01%	2227
2025 Q1	$432K	Buy	8,300 +4,100	+98%	+$233K	﹤0.01%	2617
2024 Q4	$231K	Buy	4,200 +1,700	+68%	+$100K	﹤0.01%	3157
2024 Q3	$167K	Sell	2,500 -11,200	-82%	-$695K	﹤0.01%	3127
2024 Q2	$760K	Sell	13,700 -6,400	-32%	-$359K	﹤0.01%	2256
2024 Q1	$1.03M	Buy	20,100 +7,700	+62%	+$348K	﹤0.01%	2226
2023 Q4	$564K	Sell	12,400 -21,200	-63%	-$880K	﹤0.01%	2977
2023 Q3	$1.38M	Buy	33,600 +15,500	+86%	+$689K	﹤0.01%	2096
2023 Q2	$801K	Sell	18,100 -22,100	-55%	-$845K	﹤0.01%	2385
2023 Q1	$1.59M	Buy	40,200 +22,600	+128%	+$853K	﹤0.01%	1849
2022 Q4	$526K	Buy	17,600 +10,400	+144%	+$304K	﹤0.01%	2769
2022 Q3	$192K	Sell	7,200 -15,200	-68%	-$423K	﹤0.01%	3704
2022 Q2	$509K	Buy	22,400 +21,000	+1,500%	+$553K	﹤0.01%	2902
2022 Q1	$38K	Buy	+1,400	New	+$32.4K	﹤0.01%	4588
2021 Q4	–	Sell	-16,300	Closed	-$271K	–	5330
2021 Q3	$271K	Sell	16,300 -29,300	-64%	-$554K	﹤0.01%	3559
2021 Q2	$951K	Buy	45,600 +2,900	+7%	+$66.5K	﹤0.01%	2190
2021 Q1	$899K	Buy	42,700 +34,600	+427%	+$677K	﹤0.01%	2018
2020 Q4	$136K	Buy	8,100 +1,500	+23%	+$19.1K	﹤0.01%	3765
2020 Q3	$58K	Sell	6,600 -400	-6%	-$3.68K	﹤0.01%	3582
2020 Q2	$71K	Sell	7,000 -13,000	-65%	-$113K	﹤0.01%	3672
2020 Q1	$170K	Buy	20,000 +6,300	+46%	+$101K	﹤0.01%	2744
2019 Q4	$283K	Sell	13,700 -2,500	-15%	-$54.2K	﹤0.01%	2868
2019 Q3	$328K	Sell	16,200 -25,000	-61%	-$529K	﹤0.01%	2510
2019 Q2	$1.04M	Sell	41,200 -15,700	-28%	-$383K	0.01%	1564
2019 Q1	$1.46M	Sell	56,900 -101,600	-64%	-$2.68M	0.01%	1331
2018 Q4	$3.45M	Sell	158,500 -59,300	-27%	-$1.54M	0.03%	686
2018 Q3	$6.44M	Buy	217,800 +43,400	+25%	+$1.17M	0.03%	512
2018 Q2	$4.38M	Buy	174,400 +7,100	+4%	+$192K	0.02%	698
2018 Q1	$3.96M	Sell	167,300 -73,800	-31%	-$1.98M	0.02%	679
2017 Q4	$5.82K	Buy	241,100 +175,500	+268%	+$4.18M	0.03%	588
2017 Q3	$1.57K	Buy	65,600 +64,100	+4,273%	+$1.27M	0.01%	1473
2017 Q2	$26	Sell	1,500 -12,100	-89%	-$204K	﹤0.01%	4066
2017 Q1	$245	Sell	13,600 -4,600	-25%	-$86.5K	﹤0.01%	2795
2016 Q4	$290K	Buy	18,200 +12,500	+219%	+$208K	﹤0.01%	2529
2016 Q3	$103K	Sell	5,700 -18,700	-77%	-$310K	﹤0.01%	3272
2016 Q2	$311K	Buy	24,400 +2,300	+10%	+$32.9K	﹤0.01%	2612
2016 Q1	$361K	Buy	22,100 +18,800	+570%	+$229K	﹤0.01%	2256
2015 Q4	$38K	Sell	3,300 -2,300	-41%	-$31.6K	﹤0.01%	4049
2015 Q3	$79K	Sell	5,600 -12,900	-70%	-$267K	﹤0.01%	3142
2015 Q2	$557K	Buy	18,500 +8,500	+85%	+$281K	0.01%	1582
2015 Q1	$300K	Buy	10,000 +9,000	+900%	+$280K	﹤0.01%	1887
2014 Q4	$34K	Sell	1,000 -100	-9%	-$3.31K	﹤0.01%	3413
2014 Q3	$40K	Sell	1,100 -3,000	-73%	-$126K	﹤0.01%	3241
2014 Q2	$186	Sell	4,100 -100	-2%	-$4.09K	﹤0.01%	2040
2014 Q1	$160	Buy	4,200 +100	+2%	+$3.36K	﹤0.01%	2077
2013 Q4	$147K	Sell	4,100 -900	-18%	-$29.6K	﹤0.01%	2331
2013 Q3	$152K	Sell	5,000 -4,800	-49%	-$134K	﹤0.01%	1822
2013 Q2	$258K	Buy	+9,800	New	+$276K	﹤0.01%	1589

Other funds holding ATI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

Walleye Trading's ATI Position: Q1 2026 in Review

Walleye Trading sold out of ATI (ATI) in Q1 2026, closing a stake of 9,362 shares — an estimated $1.3M sold.

Walleye Trading first reported a position in ATI in Q2 2013 and held it in 19 quarters. The position peaked at $1.42M in Q4 2018. 673 funds tracked by Wall St. Rank hold ATI as of Q1 2026.

Walleye Trading reported no remaining ATI position as of Q1 2026 after selling out during the quarter.
Walleye Trading sold 9,362 ATI shares in Q1 2026, an estimated $1.3M.
Walleye Trading first reported a position in ATI in Q2 2013 and held it in 19 quarters.
Walleye Trading's ATI position peaked at $1.42M in Q4 2018.
673 funds tracked by Wall St. Rank held ATI as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.