Capital International Investors increases disclosure on Constellation Energy (CEG) 3.3% stake

Rhea-AI Filing Summary

Constellation Energy Corp. (CEG) ownership disclosure: Capital International Investors filed an amendment reporting beneficial ownership of 11,940,831 shares, equal to 3.3% of the 362,294,672 shares believed outstanding as stated in the filing. The filing shows sole voting power for 11,704,952 shares and sole dispositive power for 11,940,831 shares.

Insights

Institutional Ownership Analyst

Large passive holder reports a 3.3% stake in Constellation Energy.

Capital International Investors is reported as beneficial owner of 11,940,831 shares, representing 3.3% of the 362,294,672 shares believed outstanding. The filing attributes voting and dispositive authority to CII and its related investment management entities.

Position size is disclosed without any transaction detail or intent; subsequent filings would show changes in holdings if they occur.

Key Figures

Beneficial ownership: 11,940,831 shares Percent of class: 3.3% Shares outstanding (context): 362,294,672 shares +3 more

6 metrics

Beneficial ownership 11,940,831 shares reported beneficially owned

Percent of class 3.3% of 362,294,672 shares believed outstanding

Shares outstanding (context) 362,294,672 shares shares believed to be outstanding (as stated in filing)

Sole voting power 11,704,952 shares sole power to vote or direct the vote

Sole dispositive power 11,940,831 shares sole power to dispose or direct disposition

CUSIP 21037T109 Constellation Energy Corp. Common Stock CUSIP

Key Terms

Schedule 13G/A, Beneficial owner, Sole dispositive power, Sole voting power

4 terms

Schedule 13G/A regulatory

"Amendment No. 3 Constella... Schedule 13G/A"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficial owner financial

"CII is deemed to be the beneficial owner of 11,940,831 shares"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

Sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 11,940,831"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Sole voting power regulatory

"Sole power to vote or to direct the vote: 11,704,952"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/14/2026 - 12:52 PM Learn about SEC filing dates

FAQ

What stake does Capital International Investors report in Constellation Energy (CEG)?

Capital International Investors reports beneficial ownership of 11,940,831 shares, representing 3.3% of the 362,294,672 shares believed outstanding according to the filing.

How much voting power does Capital International Investors have in CEG?

The filing shows sole voting power over 11,704,952 shares. This figure is the number of shares CII can vote directly as reported in the amendment.

Does Capital International Investors share dispositive power over CEG shares?

No shared dispositive power is reported. The filing shows sole dispositive power for 11,940,831 shares and 0 shared dispositive power in the Exhibit entries.

What document reports this ownership and when was it signed?

The ownership is reported on a Schedule 13G/A (Amendment No. 3) for CEG and the signature block shows it was signed by Aaron Espin, Senior Vice President, on 05/13/2026.

Does the filing state whether these shares were acquired recently or are passive holdings?

The amendment lists beneficial ownership and authority figures but does not describe acquisition timing or intent; it classifies the position under the Schedule 13G/A reporting framework.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Constellation Energy Corp.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

21037T109

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 21037T109

1

Names of Reporting Persons

Capital International Investors

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 11,704,952.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 11,940,831.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

11,940,831.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

3.3 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Constellation Energy Corp.
(b)	Address of issuer's principal executive offices: 1310 Point Street, Baltimore, MD 21231
Item 2.
(a)	Name of person filing: Capital International Investors
(b)	Address or principal business office or, if none, residence: 333 South Hope Street, 55th Fl, Los Angeles, CA 90071
(c)	Citizenship: N/A
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 21037T109
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 11,940,831 ** **Capital International Investors ("CII") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CII's divisions of each of the investment management entities collectively provide investment management services under the name "Capital International Investors." CII is deemed to be the beneficial owner of 11,940,831 shares or 3.3% of the 362,294,672 shares believed to be outstanding.
(b)	Percent of class: 3.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 11,704,952
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 11,940,831
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Capital International Investors

Signature:	Aaron Espin
Name/Title:	Senior Vice President
Date:	05/13/2026