Ken Griffin’s Constellium CSTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$18.9M Buy
770,608
+643,118
+504% +$15.3M ﹤0.01% 2396
2025
Q4
$2.4M Sell
127,490
-13,097
-9% -$217K ﹤0.01% 5578
2025
Q3
$2.09M Sell
140,587
-33,885
-19% -$485K ﹤0.01% 5987
2025
Q2
$2.32M Sell
174,472
-100,524
-37% -$1.13M ﹤0.01% 5432
2025
Q1
$2.77M Sell
274,996
-178,044
-39% -$1.89M ﹤0.01% 4911
2024
Q4
$4.65M Sell
453,040
-90,839
-17% -$1.12M ﹤0.01% 4077
2024
Q3
$8.84M Sell
543,879
-752,650
-58% -$12.8M ﹤0.01% 3114
2024
Q2
$24.4M Buy
+1,296,529
New +$27M ﹤0.01% 1800
2024
Q1
Sell
-7,004
Closed -$136K 14667
2023
Q4
$140K Sell
7,004
-49,681
-88% -$870K ﹤0.01% 10494
2023
Q3
$1.03M Buy
56,685
+52,604
+1,289% +$928K ﹤0.01% 6494
2023
Q2
$70.2K Sell
4,081
-2,066
-34% -$31.7K ﹤0.01% 11388
2023
Q1
$93.9K Sell
6,147
-639,285
-99% -$9.3M ﹤0.01% 11357
2022
Q4
$7.64M Sell
645,432
-431,526
-40% -$5.04M ﹤0.01% 3192
2022
Q3
$10.9M Buy
1,076,958
+804,926
+296% +$10.7M ﹤0.01% 2638
2022
Q2
$3.59M Buy
272,032
+253,605
+1,376% +$4.05M ﹤0.01% 4429
2022
Q1
$332K Sell
18,427
-222,030
-92% -$4.05M ﹤0.01% 10352
2021
Q4
$4.31M Buy
240,457
+65,898
+38% +$1.21M ﹤0.01% 4594
2021
Q3
$3.28M Buy
+174,559
New +$3.36M ﹤0.01% 5170
2021
Q2
Sell
-68,126
Closed -$1.17M 13754
2021
Q1
$1M Buy
+68,126
New +$978K ﹤0.01% 8105
2020
Q4
Sell
-89,753
Closed -$1.01M 10975
2020
Q3
$704K Sell
89,753
-760,299
-89% -$6.28M ﹤0.01% 6682
2020
Q2
$6.53M Buy
850,052
+788,666
+1,285% +$5.73M ﹤0.01% 2713
2020
Q1
$320K Buy
+61,386
New +$660K ﹤0.01% 7213
2019
Q4
Sell
-597,176
Closed -$8.24M 9197
2019
Q3
$7.59M Buy
597,176
+97,671
+20% +$1.15M ﹤0.01% 2559
2019
Q2
$5.01M Sell
499,505
-627,697
-56% -$5.81M ﹤0.01% 3078
2019
Q1
$8.99M Buy
1,127,202
+326,913
+41% +$2.79M ﹤0.01% 2210
2018
Q4
$5.59M Buy
800,289
+113,067
+16% +$1.01M ﹤0.01% 2632
2018
Q3
$8.49M Sell
687,222
-229,138
-25% -$2.68M ﹤0.01% 2320
2018
Q2
$9.44M Buy
916,360
+81,931
+10% +$952K ﹤0.01% 2000
2018
Q1
$9.05M Buy
834,429
+121,844
+17% +$1.49M ﹤0.01% 1829
2017
Q4
$7.95M Buy
712,585
+630,078
+764% +$6.7M ﹤0.01% 1962
2017
Q3
$845K Buy
82,507
+41,926
+103% +$397K ﹤0.01% 4551
2017
Q2
$280K Sell
40,581
-90,938
-69% -$592K ﹤0.01% 6009
2017
Q1
$855K Buy
131,519
+82,787
+170% +$591K ﹤0.01% 4226
2016
Q4
$288K Buy
+48,732
New +$298K ﹤0.01% 5731
2016
Q2
Sell
-174,057
Closed -$903K 6888
2016
Q1
$903K Sell
174,057
-464,625
-73% -$2.67M ﹤0.01% 3614
2015
Q4
$4.92M Buy
638,682
+13,137
+2% +$91.6K 0.01% 1837
2015
Q3
$3.79M Sell
625,545
-853,155
-58% -$7.11M ﹤0.01% 2222
2015
Q2
$17.5M Buy
1,478,700
+36,049
+2% +$567K 0.02% 1085
2015
Q1
$29.3M Buy
1,442,651
+202,004
+16% +$3.79M 0.03% 762
2014
Q4
$20.4M Buy
1,240,647
+954,494
+334% +$17.8M 0.02% 932
2014
Q3
$7.04M Sell
286,153
-255,926
-47% -$7.38M 0.01% 1668
2014
Q2
$17.4M Sell
542,079
-1,447,107
-73% -$43.5M 0.02% 895
2014
Q1
$58.4M Sell
1,989,186
-613,147
-24% -$16M 0.07% 343
2013
Q4
$60.6M Buy
2,602,333
+2,142,336
+466% +$42.8M 0.08% 285
2013
Q3
$8.92M Sell
459,997
-917,443
-67% -$16.7M 0.01% 1168
2013
Q2
$22.2M Buy
+1,377,440
New +$20.8M 0.04% 602

Other funds holding CSTM

Ken Griffin's CSTM Position: Q1 2026 in Review

Ken Griffin increased its Constellium (CSTM) stake by 504% in Q1 2026, buying an estimated $15.3M and bringing the position to 770,608 shares worth $18.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2396.

Ken Griffin first reported a position in CSTM in Q2 2013 and has held it in 46 quarters since. The position peaked at $60.6M in Q4 2013. 314 funds tracked by Wall St. Rank hold CSTM as of Q1 2026.

  • Ken Griffin held 770,608 shares of Constellium worth $18.9M as of Q1 2026.
  • Ken Griffin bought 643,118 Constellium shares in Q1 2026, an estimated $15.3M.
  • Constellium made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #2396 holding.
  • Ken Griffin first reported a position in Constellium in Q2 2013 and has held it in 46 quarters since.
  • Ken Griffin's Constellium position peaked at $60.6M in Q4 2013.
  • 314 funds tracked by Wall St. Rank held Constellium as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.