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CenterBook Partners’s Constellium CSTM Stock Holding History

CenterBook Partners’s Portfolio CSTM Stock Details CSTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$693K Buy
21,756
+9,756
+81% +$315K 0.03% 443
2026
Q1 		$295K Sell
12,000
-43,927
-79% -$1.05M 0.02% 562
2025
Q4 		$1.05M Sell
55,927
-32,927
-37% -$547K 0.05% 359
2025
Q3 		$1.32M Sell
88,854
-4,719
-5% -$67.5K 0.07% 332
2025
Q2 		$1.24M Sell
93,573
-276,376
-75% -$3.1M 0.07% 303
2025
Q1 		$3.73M Sell
369,949
-340,046
-48% -$3.61M 0.24% 116
2024
Q4 		$7.29M Buy
709,995
+558,820
+370% +$6.87M 0.44% 61
2024
Q3 		$2.46M Buy
151,175
+39,487
+35% +$670K 0.15% 163
2024
Q2 		$2.11M Buy
111,688
+1,474
+1% +$30.7K 0.13% 255
2024
Q1 		$2.44M Buy
110,214
+60,879
+123% +$1.18M 0.17% 206
2023
Q4 		$985K Sell
49,335
-49,821
-50% -$872K 0.12% 250
2023
Q3 		$1.8M Sell
99,156
-13,565
-12% -$239K 0.23% 151
2023
Q2 		$1.94M Sell
112,721
-13,248
-11% -$203K 0.24% 147
2023
Q1 		$1.92M Sell
125,969
-15,763
-11% -$229K 0.27% 125
2022
Q4 		$1.68M Sell
141,732
-28,560
-17% -$334K 0.28% 128
2022
Q3 		$1.73M Buy
170,292
+66,870
+65% +$886K 0.33% 95
2022
Q2 		$1.37M Buy
103,422
+73,772
+249% +$1.18M 0.29% 116
2022
Q1 		$534K Buy
29,650
+6,787
+30% +$124K 0.19% 193
2021
Q4 		$409K Buy
+22,863
New +$420K 0.24% 163

Other funds holding CSTM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
B
Bpifrance Maisons Alfort, Cedex, France $1.36B AUM 21.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
KPM
Kinetic Partners Management Miami, Florida $4.19B AUM 61.52% 1-Year Est. Return

CenterBook Partners's CSTM Position: Q2 2026 in Review

CenterBook Partners increased its Constellium (CSTM) stake by 81% in Q2 2026, buying an estimated $315K and bringing the position to 21,756 shares worth $693K. The position accounts for 0.03% of the portfolio, ranked #443.

CenterBook Partners first reported a position in CSTM in Q4 2021 and has held it in 19 quarters since. The position peaked at $7.29M in Q4 2024. 388 funds tracked by Wall St. Rank hold CSTM as of Q2 2026.

  • CenterBook Partners held 21,756 shares of Constellium worth $693K as of Q2 2026.
  • CenterBook Partners bought 9,756 Constellium shares in Q2 2026, an estimated $315K.
  • Constellium made up 0.03% of CenterBook Partners's portfolio in Q2 2026, its #443 holding.
  • CenterBook Partners first reported a position in Constellium in Q4 2021 and has held it in 19 quarters since.
  • CenterBook Partners's Constellium position peaked at $7.29M in Q4 2024.
  • 388 funds tracked by Wall St. Rank held Constellium as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.