Constellium Se CSTM
NYSE CSTM
$21.80 +0.87 (+4.16%)
At close: Nov 6, 2026 · 4:00 PM EST

Constellium Se (CSTM) Shares Outstanding (Diluted) (2015 - 2026)

Updated

Constellium Se's Weighted Average Shares Outstanding (Diluted) came in at 138.99 million for Q3 2026, down 1.1% from 140.52 million a year earlier and down 0.8% from the prior quarter.

Analysis

Constellium Se (CSTM) Shares Outstanding (Diluted) (2015 - 2026) Analysis & Trends

For FY2025, Constellium Se's Weighted Average Shares Outstanding (Diluted) was 141.94 million, down 4.1% from FY2024.

  • Weighted Average Shares Outstanding (Diluted) carries a five-year compound annual growth rate of 0.5% (FY2020 to FY2025).
  • Going back by year, Weighted Average Shares Outstanding (Diluted) was 148 million in FY2024 (-0.8%), 149.24 million in FY2023 (+1.8%), 146.61 million in FY2022 (-0.4%) and 147.17 million in FY2021 (+6.1%).
  • The Q3 2026 figure represents the lowest quarterly Weighted Average Shares Outstanding (Diluted) since Q2 2021.
  • Year-over-year, Weighted Average Shares Outstanding (Diluted) has declined for eight consecutive quarters, with an average decline of 2.9% over the last eight quarters.
  • The fastest year-over-year change in Weighted Average Shares Outstanding (Diluted) over five years came in Q2 2022 (growth of 6.1%), and the weakest in Q2 2025 (a decline of 4.7%).
  • Business Quant data shows CSTM's Weighted Average Shares Outstanding (Diluted) at 140.15 million (Q2 2026), 140.08 million (Q1 2026) and 141.94 million (Q4 2025) in the three quarters before Q3 2026.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Shares Outstanding (Dil.) (Qtr)
1 Caterpillar 256.79 Bn 228.09 Bn 7.35 Bn 460.90 Mn
2 Amphenol 183.76 Bn 178.46 Bn 4.02 Bn 2.58 Bn
3 Deere 181.25 Bn 149.34 Bn 4.66 Bn 270.70 Mn
4 Eaton 132.82 Bn 129.76 Bn 3.11 Bn 389.60 Mn
5 Parker-Hannifin 115.39 Bn 113.27 Bn 2.26 Bn 127.80 Mn
6 3M 96.09 Bn 77.53 Bn 2.78 Bn 522.60 Mn
7 Emerson Electric 90.66 Bn 83.40 Bn 2.66 Bn 561.10 Mn
8 Illinois Tool Works 79.95 Bn 76.63 Bn 1.91 Bn 285.30 Mn
9 Vertiv Holdings 70.25 Bn 59.10 Bn 1.64 Bn 392.68 Mn
10 Constellium Se 2.94 Bn 2.35 Bn 367.00 Mn 138.99 Mn
Historic Data

Historic Data

Download Data
DateValue
Sep 30, 2026 138.99 Mn
Jun 30, 2026 140.15 Mn
Mar 31, 2026 140.08 Mn
Dec 31, 2025 141.94 Mn
Sep 30, 2025 140.52 Mn
Jun 30, 2025 142.24 Mn
Mar 31, 2025 144.09 Mn
Dec 31, 2024 148.00 Mn
Sep 30, 2024 147.24 Mn
Jun 30, 2024 149.23 Mn
Mar 31, 2024 150.21 Mn
Dec 31, 2023 149.24 Mn
Jun 30, 2023 146.61 Mn
Dec 31, 2022 146.61 Mn
Jun 30, 2022 147.17 Mn
Dec 31, 2021 147.17 Mn
Jun 30, 2021 138.74 Mn
Dec 31, 2020 138.74 Mn
Jun 30, 2020 142.65 Mn
Dec 31, 2019 142.65 Mn
API Access

Constellium Se Shares Outstanding (Diluted) API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=shares-outstanding-diluted&ticker=CSTM&period=max&api_key=YOUR_API_KEY