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 – 9805
2026
Q1 		$12.1K Sell
100
-600
-86% -$76K ﹤0.01% 7186
2025
Q4 		$80.4K Sell
700
-900
-56% -$85.7K ﹤0.01% 5211
2025
Q3 		$123K Buy
1,600
+1,300
+433% +$103K ﹤0.01% 5512
2025
Q2 		$23K Hold
300
– – ﹤0.01% 6649
2025
Q1 		$18K Sell
300
-1,400
-82% -$98K ﹤0.01% 6656
2024
Q4 		$119K Hold
1,700
– – ﹤0.01% 5024
2024
Q3 		$123K Buy
1,700
+1,400
+467% +$108K ﹤0.01% 5021
2024
Q2 		$26K Buy
+300
New +$27.9K ﹤0.01% 6680
2024
Q1 		– Sell
-100
Closed -$7K – 9350
2023
Q4 		$7K Sell
100
-200
-67% -$12.7K ﹤0.01% 7669
2023
Q3 		$22K Buy
300
+200
+200% +$15.2K ﹤0.01% 6539
2023
Q2 		$7K Sell
100
-100
-50% -$6.61K ﹤0.01% 7683
2023
Q1 		$14K Buy
+200
New +$16.1K ﹤0.01% 7252
2022
Q4 		– Sell
-600
Closed -$36K – 9799
2022
Q3 		$36K Hold
600
– – ﹤0.01% 6857
2022
Q2 		$47K Sell
600
-100
-14% -$9.35K ﹤0.01% 6585
2022
Q1 		$65K Sell
700
-100
-13% -$9.65K ﹤0.01% 6770
2021
Q4 		$75K Buy
+800
New +$81K ﹤0.01% 6677
2020
Q4 		– Sell
-5
Closed -$26K – 8711
2020
Q3 		$26K Sell
5
-88
-95% -$5.64K ﹤0.01% 6183
2020
Q2 		$684K Buy
+93
New +$6.63K ﹤0.01% 2524
2020
Q1 		– Sell
-1
Closed -$11K – 7907
2019
Q4 		$11K Buy
+1
New +$107 ﹤0.01% 6327
2019
Q2 		– Sell
-40
Closed -$418K – 7445
2019
Q1 		$418K Buy
40
+34
+567% +$3.46K ﹤0.01% 2841
2018
Q4 		$53K Buy
6
+5
+500% +$483 ﹤0.01% 4469
2018
Q3 		$10K Sell
1
-3
-75% -$326 ﹤0.01% 6413
2018
Q2 		$41K Buy
+4
New +$424 ﹤0.01% 5259

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.