Walleye Trading’s Century Aluminum CENX Stock Holding History

Walleye Trading’s Portfolio CENX Stock Details CENX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$106K	Sell	1,800 -21,600	-92%	-$1.08M	﹤0.01%	3436
2025 Q4	$917K	Buy	23,400 +14,300	+157%	+$447K	﹤0.01%	2434
2025 Q3	$267K	Buy	9,100 +400	+5%	+$9.07K	﹤0.01%	3177
2025 Q2	$157K	Buy	+8,700	New	+$148K	﹤0.01%	3373
2025 Q1	–	Sell	-2,100	Closed	-$38.3K	–	4115
2024 Q4	$38.3K	Buy	+2,100	New	+$41.3K	﹤0.01%	3845
2024 Q1	–	Sell	-500	Closed	-$6.07K	–	4819
2023 Q4	$6.07K	Buy	500 +400	+400%	+$3.14K	﹤0.01%	4686
2023 Q3	$719	Hold	100	–	–	﹤0.01%	4896
2023 Q2	$872	Sell	100 -1,500	-94%	-$13K	﹤0.01%	4586
2023 Q1	$16K	Sell	1,600 -5,400	-77%	-$55.9K	﹤0.01%	4285
2022 Q4	$57.3K	Sell	7,000 -23,200	-77%	-$175K	﹤0.01%	4166
2022 Q3	$159K	Buy	30,200 +5,300	+21%	+$40.3K	﹤0.01%	3839
2022 Q2	$184K	Buy	24,900 +13,000	+109%	+$202K	﹤0.01%	3745
2022 Q1	$313K	Sell	11,900 -17,000	-59%	-$358K	﹤0.01%	3408
2021 Q4	$479K	Sell	28,900 -30,300	-51%	-$443K	﹤0.01%	3010
2021 Q3	$796K	Buy	59,200 +57,700	+3,847%	+$725K	﹤0.01%	2457
2021 Q2	$19K	Buy	+1,500	New	+$21.6K	﹤0.01%	4855
2020 Q4	–	Sell	-7,800	Closed	-$56K	–	4625
2020 Q3	$56K	Buy	7,800 +7,300	+1,460%	+$63.6K	﹤0.01%	3595
2020 Q2	$4K	Sell	500 -6,800	-93%	-$35.9K	﹤0.01%	4136
2020 Q1	$26K	Buy	+7,300	New	+$40.8K	﹤0.01%	3575
2019 Q4	–	Sell	-3,900	Closed	-$26K	–	4269
2019 Q3	$26K	Sell	3,900 -16,700	-81%	-$111K	﹤0.01%	3717
2019 Q2	$142K	Sell	20,600 -110,200	-84%	-$819K	﹤0.01%	3154
2019 Q1	$1.16M	Buy	130,800 +75,300	+136%	+$652K	0.01%	1517
2018 Q4	$406K	Sell	55,500 -60,700	-52%	-$550K	﹤0.01%	2687
2018 Q3	$1.39M	Sell	116,200 -38,400	-25%	-$494K	0.01%	1727
2018 Q2	$2.44M	Buy	154,600 +153,700	+17,078%	+$2.6M	0.01%	1154
2018 Q1	$15K	Sell	900 -49,400	-98%	-$1.03M	﹤0.01%	4328
2017 Q4	$988	Sell	50,300 -51,600	-51%	-$790K	﹤0.01%	1961
2017 Q3	$1.69K	Sell	101,900 -50,300	-33%	-$868K	0.01%	1409
2017 Q2	$2.37K	Buy	152,200 +146,600	+2,618%	+$2.05M	0.01%	1071
2017 Q1	$71	Sell	5,600 -1,000	-15%	-$13.3K	﹤0.01%	3597
2016 Q4	$57K	Buy	+6,600	New	+$56.4K	﹤0.01%	3556
2016 Q3	–	Sell	-6,300	Closed	-$41K	–	4892
2016 Q2	$41K	Sell	6,300 -8,500	-57%	-$59.7K	﹤0.01%	4099
2016 Q1	$104K	Buy	14,800 +3,500	+31%	+$19.4K	﹤0.01%	3303
2015 Q4	$50K	Buy	11,300 +6,500	+135%	+$27.9K	﹤0.01%	3847
2015 Q3	$22K	Sell	4,800 -6,600	-58%	-$46.1K	﹤0.01%	4020
2015 Q2	$119K	Buy	11,400 +3,800	+50%	+$48.4K	﹤0.01%	2896
2015 Q1	$105K	Buy	7,600 +6,900	+986%	+$139K	﹤0.01%	2634
2014 Q4	$17K	Buy	+700	New	+$18.1K	﹤0.01%	3746

Other funds holding CENX

Glencore Baar, Switzerland $4.87B AUM 67.38% 1-Year Est. Return

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Walleye Trading's CENX Position: Q1 2026 in Review

Walleye Trading sold out of Century Aluminum (CENX) in Q1 2026, closing a stake of 250,562 shares — an estimated $12.6M sold.

Walleye Trading first reported a position in CENX in Q3 2013 and held it in 30 quarters. The position peaked at $9.82M in Q4 2025. 386 funds tracked by Wall St. Rank hold CENX as of Q1 2026.

Walleye Trading reported no remaining Century Aluminum position as of Q1 2026 after selling out during the quarter.
Walleye Trading sold 250,562 Century Aluminum shares in Q1 2026, an estimated $12.6M.
Walleye Trading first reported a position in Century Aluminum in Q3 2013 and held it in 30 quarters.
Walleye Trading's Century Aluminum position peaked at $9.82M in Q4 2025.
386 funds tracked by Wall St. Rank held Century Aluminum as of Q1 2026.

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