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Constellium (CSTM) Institutional Ownership

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$25.82 +0.22 (+0.87%)
Closing price 10/9/2026 03:59 PM Eastern
Extended Trading
$25.82 0.00 (-0.01%)
As of 10/9/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Constellium (NYSE:CSTM)

Current
Institutional Ownership
Percentage
92.59%
Number of
Institutional Buyers
(last 12 months)
179
Total
Institutional Inflows
(last 12 months)
$499.18M
Number of
Institutional Sellers
(last 12 months)
80
Total
Institutional Outflows
(last 12 months)
$361.67M
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CSTM Institutional Buying and Selling by Quarter

Constellium Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/9/2026GAMMA Investing LLC4,010$97K0.0%+12.5%0.003%
10/8/2026Farther Finance Advisors LLC14,088$341K0.0%+181.2%0.010%
10/7/2026Venture Visionary Partners LLC11,500$278K0.0%+70.4%0.008%
9/9/2026Sequoia Financial Advisors LLC198,018$6.31M0.0%+0.4%0.146%
9/9/2026Arlington Capital Management Inc.7,876$251K0.1%N/A0.006%
9/9/2026WINTON GROUP Ltd15,000$478K0.0%N/A0.011%
9/9/2026Engineers Gate Manager LP197,697$6.30M0.1%-77.6%0.146%
9/9/2026Integrated Wealth Concepts LLC10,116$322K0.0%+4.2%0.007%
9/9/2026Maven Securities LTD19,474$621K0.0%-36.0%0.014%
9/9/2026NewEdge Advisors LLC38,873$1.24M0.0%+12,857.7%0.029%
9/9/2026IFP Advisors Inc5,837$186K0.0%+80.6%0.004%
9/9/2026Squarepoint Ops LLC121,524$3.87M0.0%+10.8%0.090%
9/8/2026Allworth Financial LP6,021$192K0.0%+62.5%0.004%
8/27/2026Corient Private Wealth LP118,600$3.78M0.0%+18.2%0.088%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al47,300$1.51M0.0%N/A0.035%
8/23/2026POM Investment Strategies LLC1,000$32K0.0%N/A0.001%
8/23/2026HB Wealth Management LLC9,941$317K0.0%N/A0.007%
8/22/2026TD Waterhouse Canada Inc.184,316$5.58M0.0%N/A0.136%
8/22/2026Concurrent Investment Advisors LLC97,785$3.12M0.0%N/A0.072%
8/21/2026Orion Capital Management LLC1,000$32K0.0%N/A0.001%
8/21/2026Triumph Capital Management14,230$454K0.1%N/A0.010%
8/20/2026Proficio Capital Partners LLC7,816$249K0.0%N/A0.006%
8/20/2026Beaconlight Capital LLC779,899$24.86M8.8%-33.4%0.575%
8/20/2026BTG Pactual Asset Management US LLC9,124$291K0.0%N/A0.007%
8/19/2026Navellier & Associates Inc.138,449$4.41M0.3%+49.4%0.102%
8/18/2026Public Employees Retirement System of Ohio52,125$1.66M0.0%N/A0.038%
8/13/2026Globeflex Capital L P32,061$1.02M0.1%N/A0.024%
8/5/2026USA Financial Formulas2,253$55K0.0%+94.9%0.002%
7/10/2026Handelsbanken Fonder AB34,696$1.11M0.0%+244.2%0.025%
7/9/2026Contravisory Investment Management Inc.15,519$495K0.1%-12.1%0.011%
7/9/2026World Equity Group Inc.6,416$204K0.0%N/A0.005%
7/9/2026Arista Wealth Management LLC10,044$320K0.0%N/A0.007%
7/7/2026Dynamic Advisor Solutions LLC7,606$242K0.0%N/A0.006%
7/7/2026Baron Wealth Management LLC8,285$264K0.1%N/A0.006%
7/7/2026GK Wealth Management LLC15,056$480K0.3%N/A0.011%
5/19/2026Bank of America Corp DE851,222$20.92M0.0%+100.1%0.625%
5/19/2026Edgestream Partners L.P.226,292$5.56M0.2%+9.9%0.166%
5/19/2026Janus Henderson Group PLC439,301$10.80M0.0%+775.9%0.323%
5/18/2026Amundi8,881$218K0.0%N/A0.007%
5/18/2026California State Teachers Retirement System145,732$3.58M0.0%+24.0%0.107%
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5/18/2026Royal Bank of Canada16,725$411K0.0%-67.1%0.012%
5/18/2026Encompass Capital Advisors LLC2,477,278$60.89M1.8%-46.8%1.820%
5/16/2026The Manufacturers Life Insurance Company83,417$2.05M0.0%-3.4%0.061%
5/16/2026Quantinno Capital Management LP89,441$2.20M0.0%+20.1%0.066%
5/16/2026Whitebox Advisors LLC346,660$8.52M0.1%-30.6%0.255%
5/16/2026SummitTX Capital L.P.330,242$8.12M0.3%-52.0%0.243%
5/16/2026Lazard Asset Management LLC87,095$2.14M0.0%N/A0.064%
5/15/2026Cooper Creek Partners Management LLC764,205$18.78M0.6%-23.5%0.561%
5/15/2026Cannell & Spears LLC909,200$22.35M0.4%-6.0%0.668%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund2,056,336$50.55M0.1%+894.4%1.510%
5/14/2026Beaconlight Capital LLC1,171,812$28.80M15.3%-12.5%0.861%
5/14/2026Public Employees Retirement System of Ohio59,335$1.46M0.0%+848.8%0.044%
5/14/2026Arrowstreet Capital Limited Partnership3,228,027$79.35M0.0%+620.9%2.371%
5/14/2026Sei Investments Co.231,774$5.70M0.0%+159.2%0.170%
5/14/2026Walleye Capital LLC20,195$496K0.0%N/A0.015%
5/14/2026Globeflex Capital L P25,838$635K0.1%N/A0.019%
5/14/2026State of Wyoming35,655$876K0.1%+5.1%0.026%
5/13/2026Cetera Investment Advisers107,583$2.64M0.0%N/A0.079%
5/13/2026First Trust Advisors LP12,881$317K0.0%N/A0.009%
5/8/2026Summit Global Investments33,799$831K0.0%+1.7%0.025%
5/8/2026Convergence Investment Partners LLC65,553$1.61M0.3%-10.9%0.048%
5/7/2026KBC Group NV197,790$4.86M0.0%+4,567.1%0.145%
5/7/2026Swiss National Bank245,400$6.03M0.0%-0.9%0.180%
5/7/2026Precision Wealth Strategies LLC27,815$684K0.2%N/A0.020%
5/7/2026Crescent Grove Advisors LLC14,485$356K0.0%N/A0.011%
5/6/2026Jennison Associates LLC29,264$719K0.0%N/A0.021%
5/6/2026Allspring Global Investments Holdings LLC58,555$1.44M0.0%+11.6%0.043%
5/5/2026Bank of New York Mellon Corp397,737$9.78M0.0%-1.2%0.292%
5/5/2026Sanctuary Advisors LLC92,831$2.28M0.0%N/A0.068%
5/5/2026Hillsdale Investment Management Inc.316,700$7.78M0.2%N/A0.233%
5/2/2026LGT Fund Management Co Ltd.164,700$4.05M0.2%N/A0.121%
5/1/2026Sequoia Financial Advisors LLC197,198$4.85M0.0%+1.9%0.145%
4/30/2026Hsbc Holdings PLC84,643$2.06M0.0%+15.3%0.062%
4/29/2026Cvfg LLC273,220$6.72M0.8%N/A0.201%
4/28/2026Collaborative Fund Advisors LLC8,283$204K0.1%N/A0.006%
4/28/2026Abel Hall LLC8,631$212K0.0%N/A0.006%
4/28/2026DGS Capital Management LLC22,307$548K0.1%N/A0.016%
4/27/2026Moran Wealth Management LLC11,025$271K0.0%+6.7%0.008%
4/27/2026PFG Investments LLC11,425$281K0.0%N/A0.008%
4/27/2026Private Advisor Group LLC35,539$874K0.0%-57.5%0.026%
4/27/2026Y Intercept Hong Kong Ltd163,827$4.03M0.1%-57.3%0.120%
4/25/2026Strs Ohio44,300$1.09M0.0%-15.3%0.033%
4/23/2026Inspire Investing LLC68,923$1.69M0.1%N/A0.051%
4/22/2026Pictet Asset Management Holding SA19,347$476K0.0%+8.1%0.014%
4/22/2026Sterling Capital Management LLC17,778$437K0.0%+232.7%0.013%
4/20/2026Ritholtz Wealth Management36,973$909K0.0%N/A0.027%
4/17/2026Andina Capital Management LLC18,114$445K0.4%N/A0.013%
4/16/2026SG Americas Securities LLC1,497,460$36.81M0.0%+53.6%1.100%
3/20/2026Hsbc Holdings PLC73,436$1.38M0.0%+28.2%0.054%
3/9/2026EMC Capital Management8,629$163K0.1%-15.0%0.006%
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3/6/2026Hsbc Holdings PLC73,436$1.38M0.0%+28.2%0.054%
2/26/2026Aristides Capital LLC15,659$295K0.0%-16.3%0.011%
2/19/2026T. Rowe Price Investment Management Inc.4,334,727$81.71M0.1%-15.3%3.146%
2/19/2026Invesco Ltd.164,654$3.10M0.0%+16.2%0.119%
2/18/2026Mercer Global Advisors Inc. ADV35,277$665K0.0%+46.9%0.026%
2/18/2026Summit Global Investments33,245$627K0.0%-3.9%0.024%
2/18/2026EP Wealth Advisors LLC17,026$321K0.0%N/A0.012%
2/18/2026Mackenzie Financial Corp132,642$2.51M0.0%+0.4%0.096%
2/18/2026Empowered Funds LLC671,222$12.65M0.1%+3.9%0.487%
2/18/2026XTX Topco Ltd35,285$665K0.0%+14.6%0.026%


CSTM Institutional Ownership - Frequently Asked Questions

During the previous two years, 300 institutional investors and hedge funds held shares of Constellium. The most heavily invested institutionals were FMR LLC ($238.73M), Millennium Management LLC ($118.19M), T. Rowe Price Investment Management Inc. ($81.71M), Arrowstreet Capital Limited Partnership ($79.35M), Vanguard Group Inc. ($76.44M), Morgan Stanley ($70.28M), and Westwood Holdings Group Inc. ($65.77M).Learn more on Constellium's institutional investors.

92.59% of Constellium's stock is owned by institutional investors. Learn more on CSTM's institutional investor holdings.

Of the 272 institutional investors that purchased Constellium's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Mountaineer Partners Management LLC ($8.77M), T. Rowe Price Investment Management Inc. ($4.18M), Encompass Capital Advisors LLC ($4.10M), Millennium Management LLC ($4.07M), Arrowstreet Capital Limited Partnership ($3.39M), Nuveen LLC ($1.95M), and Nut Tree Capital Management LP ($1.90M).

Institutional investors have bought a total of 25,439,367 shares in the last 24 months. This purchase volume represents approximately $499.18M in transactions.

Of the 80 institutional investors that sold Constellium's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($4.25M), Nut Tree Capital Management LP ($2.43M), Encompass Capital Advisors LLC ($2.18M), Janus Henderson Group PLC ($1.76M), Engineers Gate Manager LP ($686.41K), Millennium Management LLC ($665.90K), and Beaconlight Capital LLC ($560.04K).

Institutional investors have sold a total of 17,796,873 shares in the last 24 months. This volume of shares sold represents approximately $361.67M in transactions.


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Institutional ownership data for NYSE:CSTM is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/9/2026. New 13F filings are added each quarter as they're published.
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