[SCHEDULE 13G] Marqeta, Inc. SEC Filing

Rhea-AI Filing Summary

T. Rowe Price Investment Management, Inc. reports beneficial ownership of 30,327,826 shares of Marqeta Inc. common stock, representing 7.0% of the class. The filing shows sole voting power over 30,250,071 shares and sole dispositive power over 30,327,826 shares, indicating T. Rowe Price controls the disposition of its full reported holding.

The filing is made in the form of a Schedule 13G and identifies T. Rowe Price as an investment adviser. Item 10 certifies the securities were acquired and are held in the ordinary course of business and were not acquired to change or influence control of the issuer.

Positive

• Material institutional stake: T. Rowe Price reports 30,327,826 shares (7.0%) beneficial ownership of Marqeta common stock.
• Clear control of disposition: The filer reports sole dispositive power over all 30,327,826 shares and sole voting power for 30,250,071 shares.
• Investment adviser classification: Filing identifies the reporting person as an investment adviser (IA), and Item 10 certifies holdings are in the ordinary course of business.

Negative

• None.

Insights

Institutional Equity Analyst

TL;DR: Significant 7.0% institutional stake reported; holding disclosed as passive and in the ordinary course.

The Schedule 13G shows T. Rowe Price holds 30,327,826 shares of Marqeta, equal to 7.0% of the outstanding class, with near-complete sole dispositive authority and nearly equal sole voting authority. As an investment adviser filing under Schedule 13G, the registrant certifies passive intent and ordinary-course acquisition, limiting immediate governance implications. For investors, the filing signals a meaningful institutional position but not an expressed intent to seek control or engage in an activist campaign.

Corporate Governance Specialist

TL;DR: Large passive stake reported; no indication in filing of control-seeking or group activity.

The disclosure identifies T. Rowe Price as an investment adviser with sole dispositive power over the entire reported position and sole voting power over nearly the same amount, suggesting centralized decision-making within the adviser. The Item 10 certification explicitly states the holdings are not for the purpose of changing or influencing control. The filing does not identify any group members or related arrangements, and no shared voting or dispositive powers are reported.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MARQETA INC-A

(Name of Issuer)

COMMON STOCK

(Title of Class of Securities)

57142B104

(CUSIP Number)

06/30/2025

(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. 57142B104

1

Names of Reporting Persons

T. Rowe Price Investment Management, Inc.

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

MARYLAND

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 30,250,071.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 30,327,826.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

30,327,826.00

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)

7.0 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MARQETA INC-A
(b)	Address of issuer's principal executive offices: 180 GRAND AVENUE, 6TH FLOOR, OAKLAND, CA, 94612
Item 2.
(a)	Name of person filing: T. Rowe Price Investment Management, Inc.
(b)	Address or principal business office or, if none, residence: 1307 Point Street, Baltimore, MD 21231
(c)	Citizenship: Maryland
(d)	Title of class of securities: COMMON STOCK
(e)	CUSIP No.: 57142B104
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: 30327826
(b)	Percent of class: 7.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 30250071
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 30327826
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	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. T. Rowe Price Investment Management, Inc. hereby declares and affirms that the filing of Schedule 13G shall not be construed as an admission that Price Investment Management is the beneficial owner of the securities referred to, which beneficial ownership is expressly denied.

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.

T. Rowe Price Investment Management, Inc.

Signature:	Ellen York
Name/Title:	Vice President
Date:	08/14/2025

FAQ

How many Marqeta (MQ) shares does T. Rowe Price report owning?

T. Rowe Price reports beneficial ownership of 30,327,826 shares of Marqeta common stock.

What percentage of Marqeta (MQ) does this holding represent?

The reported position represents 7.0% of the class.

What voting and dispositive powers does T. Rowe Price report for MQ shares?

The filing reports sole voting power for 30,250,071 shares and sole dispositive power for 30,327,826 shares.

Does the Schedule 13G indicate T. Rowe Price intends to influence control of Marqeta (MQ)?

Item 10 certifies the securities were acquired and are held in the ordinary course of business and were not acquired to change or influence control of the issuer.

How is T. Rowe Price classified in the filing?

The filing identifies T. Rowe Price Investment Management, Inc. as an investment adviser (IA).