SEC ownership of Marqeta, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001522540.

Comparable stake leader

PRICE T ROWE ASSOCIATES INC /MD/

Disclosed value leader

Christopher McKay

Comparable rows

7/50

Latest evidence

15 Oct 2026

Top shareholders Insider holders Latest transactions

Public ticker: MQ on Nasdaq
Parsed ownership sources: 13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
Largest SEC-reported holder: PRICE T ROWE ASSOCIATES INC /MD/
Ranking: Comparable ownership first, then disclosed value
Comparable ownership rows: 7 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder: PRICE T ROWE ASSOCIATES INC /MD/
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date: 15 Oct 2026
Freshness: Most recent filing date in this holder set
Issuer CIK: 0001522540
Issuer location: Oakland, CA

Ownership snapshot

Top shareholders of Marqeta, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

PRICE T ROWE ASSOCIATES I...

Disclosed value leader

Christopher McKay

Comparable rows

7/50

Latest evidence

15 Oct 2026

13F 13D/G 3/4/5 Lead comparable stake: 12% 43 rows are not safely comparable across share classes. 13D/G row: PRICE T ROWE ASSOCIATES INC /MD/ Showing 1-8 of 50 holder rows.

Quick read

PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 12%.

7 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.

Comparable ownership Top 5

PRICE T ROWE ASSOCIATES INC /MD/ 12%

Jason M. Gardner 12%

T. Rowe Price Investment Manageme... 7%

BlackRock, Inc. 6.5%

VANGUARD CAPITAL MANAGEMENT LLC 5.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PRICE T ROWE ASSOCIATES INC /MD/	13F 13D/G Company · T. Rowe Price Associates, Inc. 13F 13D/G	12% Reported 13D/G · 30 Jun 2026	$184,656,000 45,481,645 shares	—	30 Jun 2026
Jason M. Gardner	3/4/5 13D/G Director, 10%+ Owner · Jason Gardner 3/4/5 13D/G	12% Reported 13D/G · 30 Jun 2026	$18,053,352 9,025,269 shares mixed-class rows	-$1,383,559	14 Sep 2026
T. Rowe Price Investment Management, Inc.	13D/G 13F Company 13D/G 13F	7% Reported 13D/G · 30 Jun 2025	$179,540,730 30,327,826 shares	$0	30 Jun 2025
BlackRock, Inc.	13D/G 13F Company 13D/G 13F	6.5% Reported 13D/G · 30 Jun 2025	$164,473,885 28,211,644 shares	$0	30 Jun 2025
VANGUARD CAPITAL MANAGEMENT LLC	13D/G 13F Vanguard Capital Management · Company 13D/G 13F	5.2% Reported 13D/G · 30 Sep 2026	$84,086,875 4,947,742 shares	$0	30 Sep 2026
Granite Ventures II L P	13D/G Standish O'Grady 13D/G	4.1% Reported 13D/G · 27 Feb 2025	$77,054,290 19,409,141 shares	+$74,817,432	27 Feb 2025
DIMENSIONAL FUND ADVISORS LP	13D/G 13D/G	2% Reported 13D/G · 30 Sep 2026	$33,070,480 1,945,929 shares	-$99,417,924	30 Sep 2026
Christopher McKay	3/4/5 Director, 10%+ Owner 3/4/5	— mixed-class rows	$298,261,415 47,848,913 shares mixed-class rows	—	26 May 2022

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$1,999,294.

Buys

$100,383

Insiders: 1

Sells

$2,099,676

Insiders: 5

Net

-$1,999,294

Shares: -404,272

Window

Last 12 months

4 rolling buckets

Buy value Sell value

Shares: 25,570 Shares: 429,842

Window (months)	Buy shares	Sell shares	Buy value	Sell value	Net value
0-3	0	5,176	$0	$87,432	-$87,432
3-6	0	56,832	$0	$216,679	-$216,679
6-9	25,570	50,437	$100,383	$214,817	-$114,435
9-12	0	317,397	$0	$1,580,748	-$1,580,748

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 34 reporting-owner rows connected to Marqeta, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows

Largest Forms 3/4/5 holder

Christopher McKay

Net 12M change

-$2M

Full value: -$1,999,293 · USD · 12-month change

Latest report

15 Oct 2026

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Christopher McKay	Director, 10%+ Owner	$298,261,415			Mixed	26 May 2022
ICONIQ Strategic Partners III, L.P.	10%+ Owner	$264,234,854			Mixed	11 Jun 2021
83North II Limited Partnership	10%+ Owner	$157,118,382			Mixed	12 Nov 2021
Jason M. Gardner	Director, 10%+ Owner	$18,053,352	-$1,383,559	-7.1%	Mixed	14 Sep 2026
Simon Khalaf	Chief Executive Officer, Director	$9,871,981			Mixed	01 Dec 2024
Crystal Sumner	Chief Administrative Officer and Corporate Secretary	$4,302,128	-$236,229	-5.2%	Mixed	15 Oct 2026
Michael Milotich	Chief Executive Officer, Director	$4,134,957			Mixed	01 Sep 2026
Randall F. Kern	Chief Product and Technology Officer	$3,916,712			Mixed	01 Sep 2024
Renata Caine	Senior Vice President of International, Strategy, and Planning	$3,229,636			Mixed	03 Jan 2022
Lukasz Strozek	Chief Technology Officer	$2,430,787			Mixed	30 Jun 2026
Todd Pollak	Chief Revenue Officer	$2,191,932			Mixed	01 Sep 2026
Patti Kangwankij	Chief Financial Officer	$2,121,834			Mixed	30 Jun 2026
Vidya Peters	Chief Operating Officer	$845,629			Mixed	01 Sep 2022
Helen Riley	Director	$648,991			Mixed	12 Jun 2025
Godfrey Sullivan	Director	$648,991			Mixed	12 Jun 2025
Sarah J. Barkema	Principal Accounting Officer	$588,858			Mixed	30 Jun 2026
Philip Faix	Chief Financial Officer	$548,539			Mixed	29 Dec 2021
Seth R. Weissman	Chief Legal Officer, General Counsel and Secretary	$424,419			Mixed	01 Dec 2022
Arnon Dinur	Director	$405,898			Mixed	13 Jun 2024
Geraldine Elliott	Director	$320,999			Mixed	13 Jun 2024

Recent insider transactions for Marqeta, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	SEC-reported value	SEC-reported price	Shares	Shares owned	Date	Ownership
Crystal Sumner	MQ	Class A Common Stock	Sale	-0.74%	-$23,449	$18.76	-1,250	167,645	15 Oct 2026	Direct
Martha Cummings	MQ	Class A Common Stock	Sale	-6.18%	-$11,415	$16.01	-713	10,830	16 Sep 2026	Direct
Eugenia Gibbons	MQ	Performance Stock Units (Rule of 40)	Award				87,858	87,858	15 Sep 2026	Direct
Eugenia Gibbons	MQ	Restricted Stock Units	Award				497,863	497,863	15 Sep 2026	Direct
Crystal Sumner	MQ	Class A Common Stock	Sale	-0.73%	-$20,488	$16.39	-1,250	168,895	15 Sep 2026	Direct
Jason M. Gardner	MQ	Class A Common Stock	Conversion of derivative security	7.59%			270,000	3,826,343	14 Sep 2026	See Footnote
Jason M. Gardner	MQ	Class B Common Stock	Conversion of derivative security	-5.56%			-270,000	4,586,369	14 Sep 2026	See Footnote
Crystal Sumner	MQ	Class A Common Stock	Tax liability	-15.5%			-27,550	150,563	01 Sep 2026	Direct
Crystal Sumner	MQ	Class A Common Stock	Options Exercise	40.7%			50,214	173,581	01 Sep 2026	Direct
Crystal Sumner	MQ	Performance Stock Units (Adjusted EBITDA)	Options Exercise	-24.5%			-2,440	7,529	01 Sep 2026	Direct
Crystal Sumner	MQ	Performance Stock Units (Gross Profit)	Options Exercise	-24.5%			-5,692	17,568	01 Sep 2026	Direct
Crystal Sumner	MQ	Restricted Stock Units	Options Exercise	-74.7%			-40,256	13,660	01 Sep 2026	Direct
Todd Pollak	MQ	Class A Common Stock	Tax liability	-13.2%			-28,952	190,689	01 Sep 2026	Direct
Todd Pollak	MQ	Class A Common Stock	Options Exercise	33%			52,751	212,743	01 Sep 2026	Direct
Todd Pollak	MQ	Performance Stock Units (Adjusted EBITDA)	Options Exercise	-24.2%			-2,167	6,777	01 Sep 2026	Direct
Todd Pollak	MQ	Performance Stock Units (Gross Profit)	Options Exercise	-24.2%			-5,055	15,814	01 Sep 2026	Direct
Todd Pollak	MQ	Restricted Stock Units	Options Exercise	-77.7%			-43,892	12,592	01 Sep 2026	Direct
Michael Milotich	MQ	Class A Common Stock	Tax liability	-11.8%			-44,835	336,314	01 Sep 2026	Direct
Michael Milotich	MQ	Class A Common Stock	Options Exercise	27.5%			81,769	378,719	01 Sep 2026	Direct
Michael Milotich	MQ	Performance Stock Units (Adjusted EBITDA)	Options Exercise	-26.7%			-2,943	8,069	01 Sep 2026	Direct
Michael Milotich	MQ	Performance Stock Units (Gross Profit)	Options Exercise	-26.7%			-6,869	18,827	01 Sep 2026	Direct
Michael Milotich	MQ	Restricted Stock Units	Options Exercise	-73.8%			-69,914	24,880	01 Sep 2026	Direct
Crystal Sumner	MQ	Class A Common Stock	Sale	-0.84%	-$20,338	$16.27	-1,250	147,481	01 Sep 2026	Direct
Jason M. Gardner	MQ	Class B Common Stock	Gift				310,148	310,148	19 Aug 2026	See Footnote
Jason M. Gardner	MQ	Class B Common Stock	Gift				310,148	310,148	19 Aug 2026	Direct
Jason M. Gardner	MQ	Class B Common Stock	Gift	-77.3%			-620,296	181,986	19 Aug 2026	See Footnote
Martha Cummings	MQ	Class A Common Stock	Sale	-5.82%	-$11,743	$16.47	-713	11,543	14 Aug 2026	Direct
R. Mark Graf	MQ	Class A Common Stock	Options Exercise	41.5%			6,447	21,969	20 Jul 2026	Direct
R. Mark Graf	MQ	Restricted Stock Units	Options Exercise	-50%			-6,447	6,447	20 Jul 2026	Direct
Martha Cummings	MQ	Class A Common Stock	Sale	-5.5%			-713	12,256	15 Jul 2026	Direct
Todd Pollak	MQ	Class A Common Stock	Sale	-9.2%			-18,750	185,008	01 Jul 2026	Direct
Lukasz Strozek	MQ	Restricted Stock Units	Award				1,930,156	1,930,156	15 Jun 2026	Direct
Lukasz Strozek	MQ	Performance Stock Units (Rule of 40)	Award				482,536	482,536	15 Jun 2026	Direct
Crystal Sumner	MQ	Class A Common Stock	Sale	-0.84%	-$19,656	$3.89	-5,056	594,926	15 Jun 2026	Direct
Alpesh Chokshi	MQ	Class A Common Stock	Options Exercise	41.4%			25,592	87,482	13 Jun 2026	Direct
Alpesh Chokshi	MQ	Restricted Stock Units	Options Exercise	-50%			-25,592	25,590	13 Jun 2026	Direct
Najuma Atkinson	MQ	Class A Common Stock	Sale	-5.75%	-$41,355	$3.80	-10,889	178,417	12 Jun 2026	Direct
Martha Cummings	MQ	Class A Common Stock	Sale	-22.2%	-$56,333	$3.80	-14,831	51,876	12 Jun 2026	Direct
Elaine Paul	MQ	Class A Common Stock	Sale	-33.8%	-$68,906	$3.80	-18,148	35,602	12 Jun 2026	Direct
Martha Cummings	MQ	Class A Common Stock	Options Exercise	119.4%			36,297	66,707	10 Jun 2026	Direct
Martha Cummings	MQ	Restricted Stock Units	Award				52,219	52,219	10 Jun 2026	Direct
Martha Cummings	MQ	Restricted Stock Units	Options Exercise	-100%			-36,297	0	10 Jun 2026	Direct
Srikiran Prasad	MQ	Class A Common Stock	Options Exercise	28.7%			36,297	162,634	10 Jun 2026	Direct
Srikiran Prasad	MQ	Restricted Stock Units	Award				52,219	52,219	10 Jun 2026	Direct
Srikiran Prasad	MQ	Restricted Stock Units	Options Exercise	-100%			-36,297	0	10 Jun 2026	Direct
Judson C. Linville	MQ	Class A Common Stock	Options Exercise	37.9%			45,372	165,028	10 Jun 2026	Direct
Judson C. Linville	MQ	Restricted Stock Units	Award				65,274	65,274	10 Jun 2026	Direct
Judson C. Linville	MQ	Restricted Stock Units	Options Exercise	-100%			-45,372	0	10 Jun 2026	Direct
R. Mark Graf	MQ	Class A Common Stock	Options Exercise	140.7%			36,297	62,088	10 Jun 2026	Direct
R. Mark Graf	MQ	Restricted Stock Units	Award				52,219	52,219	10 Jun 2026	Direct

^* marks a reported price that did not pass the local price check.

SEC ownership of Marqeta, Inc.

Top shareholders of Marqeta, Inc. (13F + 13D/G + 3/4/5)

PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 12%.

Insider trading overview

Insider holders from Forms 3/4/5

Continue from Marqeta, Inc. ownership

Recent insider transactions for Marqeta, Inc.