Janus Henderson Group’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
$10.8M Buy
439,301
+389,147
+776% +$9.26M 0.01% 742
2025
Q4
$946K Sell
50,154
-1,760,278
-97% -$29.2M ﹤0.01% 1705
2025
Q3
$26.9M Sell
1,810,432
-480,795
-21% -$6.88M 0.01% 542
2025
Q2
$30.5M Buy
2,291,227
+46,800
+2% +$526K 0.01% 487
2025
Q1
$23.1M Sell
2,244,427
-4,200,863
-65% -$44.6M 0.01% 537
2024
Q4
$66.2M Buy
6,445,290
+292,335
+5% +$3.6M 0.03% 329
2024
Q3
$100M Buy
6,152,955
+971
+0% +$16.5K 0.05% 280
2024
Q2
$116M Sell
6,151,984
-4,171,380
-40% -$86.8M 0.06% 244
2024
Q1
$228M Sell
10,323,364
-29,932
-0.3% -$580K 0.12% 172
2023
Q4
$207M Buy
10,353,296
+11,527
+0.1% +$202K 0.12% 179
2023
Q3
$188M Sell
10,341,769
-307,293
-3% -$5.42M 0.12% 177
2023
Q2
$183M Sell
10,649,062
-682
-0% -$10.5K 0.11% 179
2023
Q1
$163M Buy
10,649,744
+242,568
+2% +$3.53M 0.11% 183
2022
Q4
$123M Buy
10,407,176
+637,233
+7% +$7.45M 0.09% 214
2022
Q3
$99.1M Buy
9,769,943
+420,993
+5% +$5.58M 0.07% 238
2022
Q2
$124M Buy
9,348,950
+154,842
+2% +$2.48M 0.09% 226
2022
Q1
$165M Sell
9,194,108
-749,340
-8% -$13.7M 0.08% 232
2021
Q4
$178M Sell
9,943,448
-153,524
-2% -$2.82M 0.07% 255
2021
Q3
$190M Buy
10,096,972
+546,542
+6% +$10.5M 0.08% 242
2021
Q2
$181M Sell
9,550,430
-298,702
-3% -$5.15M 0.08% 258
2021
Q1
$145M Buy
9,849,132
+2,269,688
+30% +$32.6M 0.07% 287
2020
Q4
$106M Sell
7,579,444
-888,147
-10% -$10M 0.05% 347
2020
Q3
$66.5M Buy
8,467,591
+286,350
+4% +$2.37M 0.03% 422
2020
Q2
$62.8M Sell
8,181,241
-313,296
-4% -$2.28M 0.04% 435
2020
Q1
$44.3M Buy
8,494,537
+1,912,594
+29% +$20.6M 0.03% 484
2019
Q4
$88.2M Buy
6,581,943
+1,332,867
+25% +$18.4M 0.05% 415
2019
Q3
$66.7M Sell
5,249,076
-3,111
-0.1% -$36.6K 0.04% 488
2019
Q2
$52.7M Buy
5,252,187
+521,574
+11% +$4.83M 0.03% 559
2019
Q1
$37.8M Buy
4,730,613
+594
+0% +$5.07K 0.02% 636
2018
Q4
$33.1M Buy
4,730,019
+825,726
+21% +$7.35M 0.02% 633
2018
Q3
$48.2M Buy
3,904,293
+523,458
+15% +$6.12M 0.03% 601
2018
Q2
$34.8M Sell
3,380,835
-2,517
-0.1% -$29.3K 0.02% 656
2018
Q1
$36.7M Sell
3,383,352
-755,747
-18% -$9.22M 0.02% 629
2017
Q4
$46.2M Buy
+4,139,099
New +$44M 0.03% 560

Other funds holding CSTM

Janus Henderson Group's CSTM Position: Q1 2026 in Review

Janus Henderson Group increased its Constellium (CSTM) stake by 776% in Q1 2026, buying an estimated $9.26M and bringing the position to 439,301 shares worth $10.8M. The position accounts for 0.01% of the portfolio, ranked #742.

Janus Henderson Group first reported a position in CSTM in Q4 2017 and has held it in 34 quarters since. The position peaked at $228M in Q1 2024. 314 funds tracked by Wall St. Rank hold CSTM as of Q1 2026.

  • Janus Henderson Group held 439,301 shares of Constellium worth $10.8M as of Q1 2026.
  • Janus Henderson Group bought 389,147 Constellium shares in Q1 2026, an estimated $9.26M.
  • Constellium made up 0.01% of Janus Henderson Group's portfolio in Q1 2026, its #742 holding.
  • Janus Henderson Group first reported a position in Constellium in Q4 2017 and has held it in 34 quarters since.
  • Janus Henderson Group's Constellium position peaked at $228M in Q1 2024.
  • 314 funds tracked by Wall St. Rank held Constellium as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.