Marqeta, Inc. (MQ)

Highly Crowded

Held by 245 of 5,944 reporting institutions (93th percentile) — extremely crowded.

Data as of Q1 2026

Institutional Ownership

59.47%

QoQ Change

+0.50%

Total Value

$940.8B

Shares Outstanding

462.2M

Crowding AnalysisHighly Crowded

Holders245of 5,944

Avg: 68

Uncrowded93th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.01x

81th percentile

123 buying122 selling

+36

New

-37

Closed

-4,950,106

Net shares

Holding Period Distribution

estimate

Median: 4 QAvg: 3.6 QHolders: 245

Ownership Concentration

Top 5: 50.5%Top 10: 68.4%

PRICE T ROWE ASSOCIATES19.3%

BlackRock,9.9%

T. Rowe Price Investment Management,9.1%

VANGUARD PORTFOLIO MANAGEMENT6.2%

VANGUARD CAPITAL MANAGEMENT6.0%

Others (240)49.5%

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Conviction-Weighted Ownership

Median weight: 0.01%Avg weight: 0.02%Max: 0.07%High conviction (>1%): 0

PRICE T ROWE ASSOCIATES

BlackRock,

T. Rowe Price Investment Management,

VANGUARD PORTFOLIO MANAGEMENT

VANGUARD CAPITAL MANAGEMENT

RENAISSANCE TECHNOLOGIES

WELLINGTON MANAGEMENT GROUP LLP

GEODE CAPITAL MANAGEMENT,

STATE STREET

DIMENSIONAL FUND ADVISORS

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD PORTFOLIO MANAGEMENT$69M16.9M shr

NEWVANGUARD CAPITAL MANAGEMENT$67M16.5M shr

SOLDWELLINGTON MANAGEMENT GROUP LLP$15M3.8M shr

BOUGHTDIMENSIONAL FUND ADVISORS$2M568K shr

SOLDBlackRock$2M434K shr

NEWInvesco$39M8.2M shr

SOLDRENAISSANCE TECHNOLOGIES$10M2.2M shr

BOUGHTWELLINGTON MANAGEMENT GROUP LLP$10M2.1M shr

SOLDVANGUARD GROUP$9M1.8M shr

SOLDBlackRock$4M892K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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