Simplex Trading
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Simplex Trading’s Kaiser Aluminum KALU Stock Holding History

Simplex Trading’s Portfolio KALU Stock Details KALU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-100
Closed -$12.1K – 9804
2026
Q1 		$12.1K Buy
+100
New +$12.7K ﹤0.01% 7185
2025
Q4 		– Sell
-600
Closed -$46K – 9314
2025
Q3 		$46K Buy
+600
New +$47.7K ﹤0.01% 6541
2024
Q3 		– Sell
-100
Closed -$8K – 9028
2024
Q2 		$8K Buy
+100
New +$9.31K ﹤0.01% 7585
2024
Q1 		– Sell
-13,700
Closed -$975K – 9349
2023
Q4 		$975K Buy
+13,700
New +$868K ﹤0.01% 3022
2023
Q1 		– Sell
-600
Closed -$45K – 9575
2022
Q4 		$45K Buy
600
+400
+200% +$32K ﹤0.01% 6010
2022
Q3 		$12K Sell
200
-100
-33% -$7.35K ﹤0.01% 8068
2022
Q2 		$23K Buy
300
+200
+200% +$18.7K ﹤0.01% 7442
2022
Q1 		$9K Buy
+100
New +$9.65K ﹤0.01% 8960
2021
Q4 		– Sell
-400
Closed -$49K – 10932
2021
Q3 		$49K Hold
400
– – ﹤0.01% 7522
2021
Q2 		$49K Buy
+400
New +$49.9K ﹤0.01% 7661
2020
Q4 		– Sell
-1
Closed -$5K – 8710
2020
Q3 		$5K Buy
+1
New +$64 ﹤0.01% 7116
2019
Q2 		– Sell
-5
Closed -$52K – 7444
2019
Q1 		$52K Buy
+5
New +$509 ﹤0.01% 4976
2017
Q4 		– Sell
-10
Closed -$4K – 6315
2017
Q3 		$4K Buy
+10
New +$963 ﹤0.01% 4563

Other funds holding KALU

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return

Simplex Trading's KALU Position: Q2 2026 in Review

Simplex Trading reduced its Kaiser Aluminum (KALU) stake by 98% in Q2 2026, selling an estimated $1.3M and leaving 121 shares worth $23.7K. The position accounts for ﹤0.01% of the portfolio, ranked #6961.

Simplex Trading first reported a position in KALU in Q4 2014 and has held it in 24 quarters since. The position peaked at $936K in Q1 2026. 336 funds tracked by Wall St. Rank hold KALU as of Q2 2026.

  • Simplex Trading held 121 shares of Kaiser Aluminum worth $23.7K as of Q2 2026.
  • Simplex Trading sold 7,647 Kaiser Aluminum shares in Q2 2026, an estimated $1.3M.
  • Kaiser Aluminum made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #6961 holding.
  • Simplex Trading first reported a position in Kaiser Aluminum in Q4 2014 and has held it in 24 quarters since.
  • Simplex Trading's Kaiser Aluminum position peaked at $936K in Q1 2026.
  • 336 funds tracked by Wall St. Rank held Kaiser Aluminum as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.