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Constellium (CSTM) Institutional Ownership

Constellium logo
$27.00 -0.41 (-1.50%)
As of 08/28/2026 03:58 PM Eastern
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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)
175
Total
Institutional Inflows
(last 12 months)
$637.80M
Number of
Institutional Sellers
(last 12 months)
79
Total
Institutional Outflows
(last 12 months)
$341.31M
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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
8/27/2026 Corient Private Wealth LP118,600$3.78M0.0%+18.2%0.088%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al47,300$1.51M0.0%N/A0.035%
8/24/2026 California State Teachers Retirement System4,539,372$142.43M0.0%+3,014.9%3.349%
8/23/2026 POM Investment Strategies LLC1,000$32K0.0%N/A0.001%
8/23/2026 HB Wealth Management LLC9,941$317K0.0%N/A0.007%
8/22/2026 TD Waterhouse Canada Inc.184,316$5.58M0.0%N/A0.136%
8/22/2026 Concurrent Investment Advisors LLC97,785$3.12M0.0%N/A0.072%
8/21/2026 Orion Capital Management LLC1,000$32K0.0%N/A0.001%
8/21/2026 Triumph Capital Management14,230$454K0.1%N/A0.010%
8/20/2026 Proficio Capital Partners LLC7,816$249K0.0%N/A0.006%
8/20/2026 Beaconlight Capital LLC779,899$24.86M8.8%-33.4%0.575%
8/20/2026 BTG Pactual Asset Management US LLC9,124$291K0.0%N/A0.007%
8/19/2026 Navellier & Associates Inc.138,449$4.41M0.3%+49.4%0.102%
8/18/2026 Public Employees Retirement System of Ohio52,125$1.66M0.0%N/A0.038%
8/13/2026 Globeflex Capital L P32,061$1.02M0.1%N/A0.024%
8/5/2026USA Financial Formulas2,253$55K0.0%+94.9%0.002%
7/10/2026 Handelsbanken Fonder AB34,696$1.11M0.0%+244.2%0.025%
7/9/2026 Contravisory Investment Management Inc.15,519$495K0.1%-12.1%0.011%
7/9/2026 World Equity Group Inc.6,416$204K0.0%N/A0.005%
7/9/2026 Arista Wealth Management LLC10,044$320K0.0%N/A0.007%
7/7/2026 Dynamic Advisor Solutions LLC7,606$242K0.0%N/A0.006%
7/7/2026 Baron Wealth Management LLC8,285$264K0.1%N/A0.006%
7/7/2026 GK Wealth Management LLC15,056$480K0.3%N/A0.011%
5/19/2026 Bank of America Corp DE851,222$20.92M0.0%+100.1%0.625%
5/19/2026 Edgestream 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%
5/18/2026 Amundi8,881$218K0.0%N/A0.007%
5/18/2026 California State Teachers Retirement System145,732$3.58M0.0%+24.0%0.107%
5/18/2026 Royal Bank of Canada16,725$411K0.0%-67.1%0.012%
5/18/2026 Encompass Capital Advisors LLC2,477,278$60.89M1.8%-46.8%1.820%
5/16/2026 The Manufacturers Life Insurance Company83,417$2.05M0.0%-3.4%0.061%
5/16/2026 Quantinno Capital Management LP89,441$2.20M0.0%+20.1%0.066%
5/16/2026 Whitebox Advisors LLC346,660$8.52M0.1%-30.6%0.255%
5/16/2026 SummitTX Capital L.P.330,242$8.12M0.3%-52.0%0.243%
5/16/2026 Lazard Asset Management LLC87,095$2.14M0.0%N/A0.064%
5/15/2026 Cooper Creek Partners Management LLC764,205$18.78M0.6%-23.5%0.561%
5/15/2026 Cannell & Spears LLC909,200$22.35M0.4%-6.0%0.668%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund2,056,336$50.55M0.1%+894.4%1.510%
5/14/2026 Beaconlight Capital LLC1,171,812$28.80M15.3%-12.5%0.861%
5/14/2026 Public Employees Retirement System of Ohio59,335$1.46M0.0%+848.8%0.044%
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5/14/2026 Arrowstreet Capital Limited Partnership3,228,027$79.35M0.0%+620.9%2.371%
5/14/2026 Sei Investments Co.231,774$5.70M0.0%+159.2%0.170%
5/14/2026 Walleye Capital LLC20,195$496K0.0%N/A0.015%
5/14/2026 Globeflex Capital L P25,838$635K0.1%N/A0.019%
5/14/2026 State of Wyoming35,655$876K0.1%+5.1%0.026%
5/13/2026 Cetera Investment Advisers107,583$2.64M0.0%N/A0.079%
5/13/2026 First Trust Advisors LP12,881$317K0.0%N/A0.009%
5/8/2026 Summit Global Investments33,799$831K0.0%+1.7%0.025%
5/8/2026 Convergence Investment Partners LLC65,553$1.61M0.3%-10.9%0.048%
5/7/2026 KBC Group NV197,790$4.86M0.0%+4,567.1%0.145%
5/7/2026 Swiss National Bank245,400$6.03M0.0%-0.9%0.180%
5/7/2026 Precision Wealth Strategies LLC27,815$684K0.2%N/A0.020%
5/7/2026 Crescent Grove Advisors LLC14,485$356K0.0%N/A0.011%
5/6/2026 Jennison Associates LLC29,264$719K0.0%N/A0.021%
5/6/2026 Allspring Global Investments Holdings LLC58,555$1.44M0.0%+11.6%0.043%
5/5/2026 Bank of New York Mellon Corp397,737$9.78M0.0%-1.2%0.292%
5/5/2026 Sanctuary Advisors LLC92,831$2.28M0.0%N/A0.068%
5/5/2026 Hillsdale Investment Management Inc.316,700$7.78M0.2%N/A0.233%
5/2/2026 LGT Fund Management Co Ltd.164,700$4.05M0.2%N/A0.121%
5/1/2026 Sequoia Financial Advisors LLC197,198$4.85M0.0%+1.9%0.145%
4/30/2026 Hsbc Holdings PLC84,643$2.06M0.0%+15.3%0.062%
4/29/2026 Cvfg LLC273,220$6.72M0.8%N/A0.201%
4/28/2026 Collaborative Fund Advisors LLC8,283$204K0.1%N/A0.006%
4/28/2026 Abel Hall LLC8,631$212K0.0%N/A0.006%
4/28/2026DGS Capital Management LLC22,307$548K0.1%N/A0.016%
4/27/2026 Moran Wealth Management LLC11,025$271K0.0%+6.7%0.008%
4/27/2026 PFG Investments LLC11,425$281K0.0%N/A0.008%
4/27/2026 Private Advisor Group LLC35,539$874K0.0%-57.5%0.026%
4/27/2026 Y Intercept Hong Kong Ltd163,827$4.03M0.1%-57.3%0.120%
4/25/2026 Strs Ohio44,300$1.09M0.0%-15.3%0.033%
4/23/2026 Inspire Investing LLC68,923$1.69M0.1%N/A0.051%
4/22/2026 Pictet Asset Management Holding SA19,347$476K0.0%+8.1%0.014%
4/22/2026 Sterling Capital Management LLC17,778$437K0.0%+232.7%0.013%
4/20/2026 Ritholtz Wealth Management36,973$909K0.0%N/A0.027%
4/17/2026 Andina Capital Management LLC18,114$445K0.4%N/A0.013%
4/16/2026 SG Americas Securities LLC1,497,460$36.81M0.0%+53.6%1.100%
3/20/2026 Hsbc Holdings PLC73,436$1.38M0.0%+28.2%0.054%
3/9/2026 EMC Capital Management8,629$163K0.1%-15.0%0.006%
3/6/2026 Hsbc Holdings PLC73,436$1.38M0.0%+28.2%0.054%
2/26/2026 Aristides Capital LLC15,659$295K0.0%-16.3%0.011%
2/19/2026 T. Rowe Price Investment Management Inc.4,334,727$81.71M0.1%-15.3%3.146%
2/19/2026 Invesco Ltd.164,654$3.10M0.0%+16.2%0.119%
2/18/2026 Mercer Global Advisors Inc. ADV35,277$665K0.0%+46.9%0.026%
2/18/2026 Summit Global Investments33,245$627K0.0%-3.9%0.024%
2/18/2026 EP Wealth Advisors LLC17,026$321K0.0%N/A0.012%
2/18/2026 Mackenzie Financial Corp132,642$2.51M0.0%+0.4%0.096%
2/18/2026 Empowered Funds LLC671,222$12.65M0.1%+3.9%0.487%
2/18/2026 XTX Topco Ltd35,285$665K0.0%+14.6%0.026%
2/18/2026 nVerses Capital LLC15,298$288K0.6%N/A0.011%
2/18/2026 Voloridge Investment Management LLC514,609$9.70M0.0%-24.2%0.373%
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2/18/2026 SummitTX Capital L.P.688,573$12.98M0.4%+22.8%0.500%
2/18/2026 Polymer Capital Management US LLC15,200$287K0.0%-37.7%0.011%
2/18/2026 Numerai GP LLC41,228$777K0.1%+297.9%0.030%
2/18/2026 Nut Tree Capital Management LP3,225,000$60.79M11.5%-38.1%2.340%
2/18/2026 Occudo Quantitative Strategies LP177,650$3.35M0.2%+304.8%0.129%
2/18/2026 Oxford Asset Management LLP14,224$268K0.1%N/A0.010%
2/18/2026 Millennium Management LLC6,269,869$118.19M0.0%-9.6%4.550%
2/18/2026 Moore Capital Management LP857,954$16.17M0.2%-25.5%0.623%
2/18/2026 Man Group plc116,669$2.20M0.0%-69.9%0.085%
2/18/2026Janus Henderson Group PLC50,154$946K0.0%-97.2%0.036%


CSTM Institutional Ownership - Frequently Asked Questions

During the previous two years, 293 institutional investors and hedge funds held shares of Constellium. The most heavily invested institutionals were FMR LLC ($238.73M), California State Teachers Retirement System ($142.43M), Millennium Management LLC ($118.19M), T. Rowe Price Investment Management Inc. ($81.71M), Arrowstreet Capital Limited Partnership ($79.35M), Vanguard Group Inc. ($76.44M), and Morgan Stanley ($70.28M).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 266 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), California State Teachers Retirement System ($4.53M), 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), and Nuveen LLC ($1.95M).

Institutional investors have bought a total of 29,858,640 shares in the last 24 months. This purchase volume represents approximately $637.80M in transactions.

Of the 79 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), Millennium Management LLC ($665.90K), Beaconlight Capital LLC ($560.04K), and Price T Rowe Associates Inc. MD ($521.12K).

Institutional investors have sold a total of 17,223,392 shares in the last 24 months. This volume of shares sold represents approximately $341.31M 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 8/27/2026. New 13F filings are added each quarter as they're published.
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