Capital International Investors (MSTR) discloses 7.8% passive stake in Strategy Inc

Rhea-AI Filing Summary

Capital International Investors filed an amended Schedule 13G/A reporting a passive ownership stake in Strategy Inc common stock. It is deemed to beneficially own 20,869,464 shares, representing 7.8% of the 267,922,725 shares believed outstanding as of the event date.

The filing shows sole voting power over 20,858,114 shares and sole dispositive power over 20,869,464 shares, with no shared voting or dispositive power. The position includes 2,092,400 convertible preferred shares representing 209,240 common shares and 14,613,000 corporate convertible/exchangeable debt securities representing 21,732 common shares.

The investor certifies that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Strategy Inc.

Insights

Equity ownership and regulatory filings analyst

Capital International reports a passive 7.8% stake in Strategy Inc.

Capital International Investors, a division of Capital Research and Management Company and its affiliates, reports beneficial ownership of 20,869,464 Strategy Inc common shares, or 7.8% of the 267,922,725 shares believed outstanding as of the event date.

The filing indicates sole voting power over 20,858,114 shares and sole dispositive power over 20,869,464 shares, with no shared powers. The stake includes convertible instruments: 2,092,400 preferred shares representing 209,240 common shares and 14,613,000 corporate convertible or exchangeable debt securities representing 21,732 common shares.

The filer certifies the position is held in the ordinary course of business and not to change or influence control, which aligns with a Schedule 13G passive ownership posture. Subsequent ownership reports may show changes in this percentage or share count if holdings are adjusted.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 5)

Strategy Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

594972408

(CUSIP Number)

12/31/2025

(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)

SCHEDULE 13G

CUSIP No. 594972408

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 20,858,114.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 20,869,464.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

20,869,464.00

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)

7.8 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Strategy Inc
(b)	Address of issuer's principal executive offices: 1850 TOWERS CRESCENT PLAZA, TYSONS CORNER, VA 22182
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.: 594972408
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: 20,869,464 ** **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 20,869,464 shares or 7.8% of the 267,922,725 shares believed to be outstanding. Shares reported include 2,092,400 Convertible Preferred Stocks, which represent 209,240 Common Stock. Shares reported include 14,613,000 Corporate Convertible/ Exchangeable Debts, which represent 21,732 Common Stock.
(b)	Percent of class: 7.8 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 20,858,114
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 20,869,464
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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:	Jae Won Chung
Name/Title:	Vice President and Senior Counsel II, Capital Research and Management Company
Date:	02/12/2026

FAQ

What percentage of Strategy Inc (MSTR) does Capital International Investors report owning?

Capital International Investors reports beneficial ownership of 7.8% of Strategy Inc’s common stock. This represents 20,869,464 shares out of 267,922,725 shares believed to be outstanding on the event date, according to the Schedule 13G/A filing.

How many Strategy Inc (MSTR) shares does Capital International Investors beneficially own?

Capital International Investors is deemed to beneficially own 20,869,464 shares of Strategy Inc common stock. This total includes common shares plus common stock underlying certain convertible preferred and corporate convertible/exchangeable debt instruments disclosed in the filing.

Is Capital International Investors’ stake in Strategy Inc (MSTR) considered passive or active?

The stake is characterized as passive. Capital International Investors certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Strategy Inc, consistent with Schedule 13G requirements.

What voting and dispositive power does Capital International Investors have over Strategy Inc (MSTR) shares?

Capital International Investors reports sole voting power over 20,858,114 shares and sole dispositive power over 20,869,464 shares. The filing shows no shared voting or shared dispositive power over Strategy Inc common stock as of the reported date.

How do convertible securities factor into Capital International Investors’ Strategy Inc (MSTR) position?

The reported ownership includes 2,092,400 convertible preferred shares representing 209,240 common shares, and 14,613,000 corporate convertible/exchangeable debt securities representing 21,732 common shares. These underlying shares are counted in the 20,869,464 beneficially owned total.

What is the event date for Capital International Investors’ reported ownership in Strategy Inc (MSTR)?

The event date that triggered this amended ownership report is December 31, 2025. The 7.8% ownership and 20,869,464 shares beneficially owned are stated in relation to that date in the Schedule 13G/A.