What does CUSIP F21107101 represent in this 13F holders report?

CUSIP F21107101 is the security identifier for CSTM - CONSTELLIUM SE - Ordinary Shares used to aggregate holder disclosures.

How many institutions held CSTM - CONSTELLIUM SE - Ordinary Shares in Q1 2026?

102 institutional investors reported CSTM - CONSTELLIUM SE - Ordinary Shares for Q1 2026. Use the holders table for investor-level position and value details.

CONSTELLIUM SE - Ordinary Shares (CSTM)

CUSIP: F21107101

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class: Equity / Ordinary Shares
Shares outstanding: 136,505,250
Total 13F shares: 24,363,315
Share change: +2,404,475
Total reported value: $600,591,680
Price per share: $24.58
Number of holders: 102
Value change: +$58,049,841
Number of buys: 65
Number of sells: 24

Quarterly Holders Quick Answers

What is CUSIP F21107101?
CUSIP F21107101 identifies CSTM - CONSTELLIUM SE - Ordinary Shares in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Previous quarter: Q4 2025

Recent filing periods for CUSIP F21107101:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of CSTM - CONSTELLIUM SE - Ordinary Shares (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock, Inc.	13F 13D/G	Company	5.8% from 13D/G	13,730,294	$258,816,041	—	31 Dec 2025	13F 13D/G
Bpifrance SA	13F	Company	9.2%	12,593,903	$237,395,072	—	31 Dec 2025	13F
FMR LLC	13F 13D/G	Company	5.1% from 13D/G	10,569,283	$199,230,985	—	31 Dec 2025	13F 13D/G
MILLENNIUM MANAGEMENT LLC	13F 13D/G	Company	2.5% from 13D/G	6,269,869	$118,187,031	—	31 Dec 2025	13F 13D/G
Encompass Capital Advisors LLC	13F	Company	3.4%	4,657,915	$87,801,698	—	31 Dec 2025	13F
T. Rowe Price Investment Management, Inc.	13D/G 13F	Company	4.5%	6,274,993	$85,590,905	-$109,593,690	31 Aug 2025	13D/G 13F
VANGUARD GROUP INC	13F	Company	3%	4,054,982	$76,436,410	—	31 Dec 2025	13F
MORGAN STANLEY	13F	Company	2.7%	3,728,118	$70,275,043	—	31 Dec 2025	13F
Nut Tree Capital Management, LP	13F	Company	2.4%	3,225,000	$60,791,250	—	31 Dec 2025	13F
D. E. Shaw & Co., Inc.	13F	Company	2.2%	3,055,291	$57,592,236	—	31 Dec 2025	13F
Nuveen, LLC	13F	Company	2.1%	2,840,961	$53,552,114	—	31 Dec 2025	13F
STATE STREET CORP	13F	Company	1.9%	2,660,518	$50,150,764	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	1.5%	2,089,412	$39,385,416	—	31 Dec 2025	13F
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	13F	Company	1.4%	1,944,239	$36,649,000	—	31 Dec 2025	13F
BRIGHTLINE CAPITAL MANAGEMENT, LLC	13F	Company	1.3%	1,842,000	$34,721,700	—	31 Dec 2025	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.3%	1,811,344	$34,143,834	—	31 Dec 2025	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.3%	1,766,503	$33,298,578	—	31 Dec 2025	13F
SCOPUS ASSET MANAGEMENT, L.P.	13F	Company	— class O/S missing	1,731,708	$32,642,696	—	31 Dec 2025	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	1,631,574	$30,751,882	—	31 Dec 2025	13F
GOLDMAN SACHS GROUP INC	13F	Company	1%	1,367,485	$25,777,092	—	31 Dec 2025	13F
Soapstone Management L.P.	13F	Company	0.99%	1,350,000	$25,447,500	—	31 Dec 2025	13F
BEACONLIGHT CAPITAL, LLC	13F	Company	0.98%	1,339,934	$25,257,756	—	31 Dec 2025	13F
CAPSTONE INVESTMENT ADVISORS, LLC	13F	Company	0.88%	1,194,936	$22,524,544	—	31 Dec 2025	13F
Engineers Gate Manager LP	13F	Company	0.77%	1,049,218	$19,777,759	—	31 Dec 2025	13F
COOPER CREEK PARTNERS MANAGEMENT LLC	13F	Company	0.73%	999,209	$18,835,000	—	31 Dec 2025	13F
Kailix Advisors LLC	13F	Company	0.72%	978,057	$18,436,374	—	31 Dec 2025	13F
SG Americas Securities, LLC	13F	Company	0.71%	974,735	$18,374,000	—	31 Dec 2025	13F
Cannell & Spears LLC	13F	Company	0.71%	967,047	$18,228,836	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.69%	941,854	$17,753,947	—	31 Dec 2025	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.69%	939,231	$17,704,504	—	31 Dec 2025	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.64%	869,612	$16,392,185	—	31 Dec 2025	13F
MOORE CAPITAL MANAGEMENT, LP	13F	Company	0.63%	857,954	$16,172,433	—	31 Dec 2025	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.59%	808,857	$15,246,954	—	31 Dec 2025	13F
SummitTX Capital, L.P.	13F	Company	0.5%	688,573	$12,979,601	—	31 Dec 2025	13F
Mountaineer Partners Management, LLC	13F	Company	0.5%	681,464	$12,845,596	—	31 Dec 2025	13F
Empowered Funds, LLC	13F	Company	0.49%	671,222	$12,652,534	—	31 Dec 2025	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.46%	621,183	$11,709,300	—	31 Dec 2025	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.44%	603,379	$11,373,694	—	31 Dec 2025	13F
UBS Group AG	13F	Company	0.41%	554,900	$10,459,866	—	31 Dec 2025	13F
BW Gestao de Investimentos Ltda.	13F	Company	0.4%	546,270	$10,297,190	—	31 Dec 2025	13F
Boston Partners	13F	Company	0.4%	542,004	$10,216,780	—	31 Dec 2025	13F
VOLORIDGE INVESTMENT MANAGEMENT, LLC	13F	Company	0.38%	514,609	$9,700,380	—	31 Dec 2025	13F
WHITEBOX ADVISORS LLC	13F	Company	0.37%	499,660	$9,418,591	—	31 Dec 2025	13F
TUDOR INVESTMENT CORP ET AL	13F	Company	0.36%	496,715	$9,363,078	—	31 Dec 2025	13F
Ingrid Joerg	3/4/5	CEO, Director	0.3%	409,448	$9,200,296	-$119,364	12 Mar 2026	3/4/5
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.34%	470,813	$8,874,825	—	31 Dec 2025	13F
ALGERT GLOBAL LLC	13F	Company	0.33%	455,858	$8,593,000	—	31 Dec 2025	13F
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	13F	Company	0.33%	448,180	$8,448,193	—	31 Dec 2025	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.33%	447,767	$8,440,408	—	31 Dec 2025	13F
DANSKE BANK A/S	13F	Company	0.32%	437,099	$8,239,316	—	31 Dec 2025	13F

Institutional Holders of CONSTELLIUM SE - Ordinary Shares (CSTM) as of Q1 2026

As of 31 Mar 2026, CONSTELLIUM SE - Ordinary Shares (CSTM) was held by 102 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 24,363,315 shares. The largest 10 holders included Bpifrance SA, Nuveen, LLC, SG Americas Securities, LLC, Penn Capital Management Company, LLC, NEW YORK STATE COMMON RETIREMENT FUND, Fisher Asset Management, LLC, Kailix Advisors LLC, UBS Group AG, Bank of New York Mellon Corp, and Hillsdale Investment Management Inc.. This page lists 102 institutional shareholders reporting positions in this security for the Q1 2026 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

249

Q1 2026 holders

102

Holder diff

-147

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q1 2026 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.