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Security record · archived quarter

CSTM

Constellium SE · Basic Materials · Aluminum

25.81 +0.8% mkt cap $3.50B quote delayed (FMP) · as of Oct 11 03:53 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
98Tracked holders
+2Δ holders
74.01MShares held
$1.40BReported value
+3New positions
−1Exits
Stable Conviction score 51/100 6 quarters of rising tracked shares ●●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +2.1% · share flow -4.8% · net new positions +2.0% — formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 121 +16 74.13M $2.35B +18 −1
Q1 2026 107 +9 74.07M $1.80B +16 −7
Q4 2025 98 +2 74.01M $1.40B +3 −1
Q3 2025 17 -1 56.48M $840.42M — −2
Q2 2025 16 -1 45.31M $602.65M — −1
Q1 2025 14 +1 14.04M $141.64M +1 —
Q4 2024 13 +1 11.63M $119.45M +2 −1
Q3 2024 11 0 8.19M $133.25M +1 −1
Q2 2024 11 — 7.79M $146.77M — —
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 13.73M -2.1% $258.82M 0.0% ▼ Trim 3 SEC ↗ ×16
2 Fidelity (FMR) ✦ 10.57M -21.8% $199.23M 0.0% ▼ Trim 3 SEC ↗ ×3
3 Millennium Management ✦ 6.27M -9.6% $118.19M 0.1% ▼ Trim 7 SEC ↗
4 The Vanguard Group ✦ (passive) 4.05M +22.9% $76.44M 0.0% ▲ Add 3 SEC ↗ ×5
5 Morgan Stanley ✦ 3.73M +48.4% $70.28M 0.0% ▲ Add 2 SEC ↗ ×7
6 D. E. Shaw & Co. ✦ 3.06M +24.7% $57.59M 0.0% ▲ Add 7 SEC ↗ ×2
7 Nuveen, LLC 2.84M — $53.55M 0.0% n/c 1 SEC ↗ ×3
8 State Street Global Advisors ✦ (passive) 2.66M +3.6% $50.15M 0.0% ▲ Add 5 SEC ↗
9 JPMorgan Chase ✦ 2.09M -56.6% $39.39M 0.0% ▼ Trim 2 SEC ↗ ×5
10 Nomura Asset Management… 1.94M — $36.65M 0.1% n/c 1 SEC ↗
11 American Century Companies Inc 1.81M — $34.14M 0.0% n/c 1 SEC ↗
12 AQR Capital Management ✦ 1.77M +38.2% $33.30M 0.0% ▲ Add 7 SEC ↗ ×6
13 Geode Capital Management ✦ (passive) 1.63M -4.5% $30.75M 0.0% ▼ Trim 7 SEC ↗ ×2
14 Goldman Sachs Group ✦ 1.37M +13.3% $25.78M 0.0% ▲ Add 2 SEC ↗ ×3
15 Capstone Investment Advisors, Llc 1.19M — $22.52M 0.2% n/c 1 SEC ↗
16 Northern Trust Corp 941.85K — $17.75M 0.0% n/c 1 SEC ↗ ×6
17 UBS AM, a distinct business unit of… 869.61K — $16.39M 0.0% n/c 1 SEC ↗ ×7
18 Charles Schwab Investment… 808.86K — $15.25M 0.0% n/c 1 SEC ↗
19 UBS Group AG 554.90K — $10.46M 0.0% n/c 1 SEC ↗ ×4
20 Boston Partners 542.00K — $10.22M 0.0% n/c 1 SEC ↗
21 Tudor Investment Corp Et Al 496.71K — $9.36M 0.1% n/c 1 SEC ↗
22 Wellington Management ✦ 470.81K +31.7% $8.87M 0.0% ▲ Add 7 SEC ↗ ×4
23 Hotchkis & Wiley Capital Management… 448.18K — $8.45M 0.0% n/c 1 SEC ↗
24 Arrowstreet Capital ✦ 447.77K -51.3% $8.44M 0.0% ▼ Trim 5 SEC ↗
25 Danske Bank A/S 437.10K — $8.24M 0.0% n/c 1 SEC ↗
26 Russell Investments Group, Ltd. 429.33K — $8.09M 0.0% n/c 1 SEC ↗ ×9
27 Bank Of America Corp /De/ 425.35K — $8.02M 0.0% n/c 1 SEC ↗ ×5
28 Bank of New York Mellon Corp 402.51K — $7.59M 0.0% n/c 1 SEC ↗ ×6
29 Point72 Asset Management ✦ 318.09K New $6.00M 0.0% New 1 SEC ↗
30 Hrt Financial Lp 316.67K — $5.97M 0.0% n/c 1 SEC ↗
31 Jane Street Group, Llc 313.73K — $5.91M 0.0% n/c 1 SEC ↗ ×3
32 Massachusetts Financial Services Co… 311.53K — $5.87M 0.0% n/c 1 SEC ↗ ×2
33 Adage Capital Partners ✦ 300.00K New $5.66M 0.0% New 1 SEC ↗
34 Federated Hermes, Inc. 297.02K — $5.60M 0.0% n/c 1 SEC ↗
35 New York State Common Retirement… 286.28K — $5.40M 0.0% n/c 1 SEC ↗
36 Barclays Plc 285.05K — $5.37M 0.0% n/c 1 SEC ↗ ×3
37 Swiss National Bank 247.60K — $4.67M 0.0% n/c 1 SEC ↗
38 Bank Of Montreal /Can/ 238.26K — $4.49M 0.0% n/c 1 SEC ↗ ×3
39 Balyasny Asset Management L.P. 219.37K — $4.14M 0.0% n/c 1 SEC ↗
40 Franklin Resources Inc 213.21K — $4.02M 0.0% n/c 1 SEC ↗ ×4
41 Healthcare Of Ontario Pension Plan… 206.78K — $3.90M 0.0% n/c 1 SEC ↗
42 Squarepoint Ops LLC 206.28K — $3.89M 0.0% n/c 1 SEC ↗
43 Corient Private Wealth LP 199.64K — $3.76M 0.0% n/c 1 SEC ↗ ×2
44 Creative Planning 193.72K — $3.65M 0.0% n/c 1 SEC ↗
45 Allianz Asset Management GmbH 175.95K — $3.32M 0.0% n/c 1 SEC ↗ ×2
46 Rhumbline Advisers 175.81K — $3.31M 0.0% n/c 1 SEC ↗
47 Invesco Ltd. 164.65K — $3.10M 0.0% n/c 1 SEC ↗ ×4
48 Wells Fargo & Company/Mn 161.82K — $3.05M 0.0% n/c 1 SEC ↗ ×3
49 Deutsche Bank Ag\ 160.80K — $3.03M 0.0% n/c 1 SEC ↗ ×4
50 Hsbc Holdings Plc 146.87K — $2.76M 0.0% n/c 1 SEC ↗ ×2
51 Legal & General Group Plc 142.19K — $2.68M 0.0% n/c 1 SEC ↗ ×3
52 Alliancebernstein L.P. 138.45K — $2.61M 0.0% n/c 1 SEC ↗
53 Mackenzie Financial Corp 132.64K — $2.51M 0.0% n/c 1 SEC ↗
54 Citadel Advisors ✦ 127.49K -9.3% $2.40M 0.0% ▼ Trim 7 SEC ↗ ×2
55 Clearbridge Investments, LLC 122.14K — $2.30M 0.0% n/c 1 SEC ↗
56 California State Teachers… 117.54K — $2.22M 0.0% n/c 1 SEC ↗
57 Man Group plc 116.67K — $2.20M 0.0% n/c 1 SEC ↗ ×2
58 Connor, Clark & Lunn Investment… 106.95K — $2.02M 0.0% n/c 1 SEC ↗
59 State Of Wisconsin Investment Board 97.25K — $1.83M 0.0% n/c 1 SEC ↗
60 Bnp Paribas Financial Markets 95.68K — $1.80M 0.0% n/c 1 SEC ↗
61 Raymond James Financial Inc 95.42K — $1.80M 0.0% n/c 1 SEC ↗ ×2
62 HighTower Advisors, LLC 93.57K — $1.76M 0.0% n/c 1 SEC ↗
63 Mitsubishi UFJ Trust & Banking Corp 93.54K — $1.76M 0.0% n/c 1 SEC ↗
64 Sei Investments Co 89.43K — $1.69M 0.0% n/c 1 SEC ↗ ×2
65 Ameriprise Financial Inc 87.56K — $1.65M 0.0% n/c 1 SEC ↗ ×3
66 Manufacturers Life Insurance… 86.33K — $1.63M 0.0% n/c 1 SEC ↗
67 Cwm, Llc 85.90K — $1.62M 0.0% n/c 1 SEC ↗
68 Cerity Partners LLC 83.80K — $1.58M 0.0% n/c 1 SEC ↗ ×3
69 T. Rowe Price ✦ 78.84K -86.9% $1.49M 0.0% ▼ Trim 7 SEC ↗
70 Quantinno Capital Management LP 74.47K — $1.40M 0.0% n/c 1 SEC ↗
71 Mariner, LLC 68.79K — $1.30M 0.0% n/c 1 SEC ↗
72 MIRAE ASSET GLOBAL ETFS HOLDINGS… 65.72K — $1.24M 0.0% n/c 1 SEC ↗ ×2
73 Citigroup Inc 60.69K — $1.14M 0.0% n/c 1 SEC ↗ ×2
74 Susquehanna International Group, Llp 58.36K — $1.10M 0.0% n/c 1 SEC ↗
75 Osaic Holdings, Inc. 55.45K — $1.05M 0.0% n/c 1 SEC ↗
76 Allspring Global Investments… 52.48K — $1.04M 0.0% n/c 1 SEC ↗ ×2
77 Wealth Enhancement Advisory… 51.11K — $1.02M 0.0% n/c 1 SEC ↗
78 Royal Bank Of Canada 50.80K — $957,000 0.0% n/c 1 SEC ↗ ×6
79 Janus Henderson Group Plc 50.15K — $946,155 0.0% n/c 1 SEC ↗
80 Marshall Wace ✦ 48.74K -58.0% $918,843 0.0% ▼ Trim 4 SEC ↗ ×2
81 Zurcher Kantonalbank (Zurich… 39.45K — $743,538 0.0% n/c 1 SEC ↗
82 State Board Of Administration Of… 36.16K — $681,616 0.0% n/c 1 SEC ↗
83 Mercer Global Advisors Inc /Adv 35.28K — $664,971 0.0% n/c 1 SEC ↗
84 ProShare Advisors LLC 28.81K — $543,030 0.0% n/c 1 SEC ↗
85 Voya Investment Management Llc 24.73K — $466,255 0.0% n/c 1 SEC ↗
86 Captrust Financial Advisors 17.93K — $338,075 0.0% n/c 1 SEC ↗
87 Pictet Asset Management Holding SA 17.90K — $337,415 0.0% n/c 1 SEC ↗
88 Focus Partners Wealth 14.78K — $278,547 0.0% n/c 1 SEC ↗
89 LPL Financial LLC 10.22K — $192,628 0.0% n/c 1 SEC ↗
90 Fisher Asset Management ✦ 10.17K New $191,760 0.0% New 1 SEC ↗
91 Group One Trading Llc 7.58K — $142,902 0.0% n/c 1 SEC ↗
92 Nomura Asset Management Co Ltd 3.60K — $67,860 0.0% n/c 1 SEC ↗
93 TD Waterhouse Canada Inc. 1.00K — $18,860 0.0% n/c 1 SEC ↗
94 Us Bancorp \De\ 731 — $13,779 0.0% n/c 1 SEC ↗
95 Rockefeller Capital Management L.P. 519 — $9,783 0.0% n/c 1 SEC ↗
96 Optiver Holding B.V. 502 — $9,463 0.0% n/c 1 SEC ↗
97 Pnc Financial Services Group, Inc. 80 — $1,508 0.0% n/c 1 SEC ↗
98 Assetmark, Inc 47 — $886 0.0% n/c 1 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Exited

Renaissance Technologies $540,144 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 307 holders, 122.26M shares, $2.75B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API