BlackRock, Inc. (BLK)

Highly Crowded

Held by 2,196 of 5,944 reporting institutions (100th percentile) — extremely crowded.

Data as of Q1 2026

Institutional Ownership

74.18%

QoQ Change

-2.17%

Total Value

$109.1T

Shares Outstanding

155.0M

Crowding AnalysisHighly Crowded

Holders2,196of 5,944

Avg: 68

Uncrowded100th percentileCrowded

Institutional Activity

Buy/Sell Ratio0.88x

99th percentile

1,046 buying1,185 selling

+164

New

-259

Closed

-2,916,792

Net shares

Holding Period Distribution

estimate

Median: 5 QAvg: 4.4 QHolders: 2,196

Ownership Concentration

Top 5: 31.5%Top 10: 47.6%

BlackRock,8.8%

VANGUARD CAPITAL MANAGEMENT8.0%

STATE STREET5.5%

Temasek Holdings (Private)4.6%

BANK OF AMERICA4.5%

Others (2191)68.5%

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Conviction-Weighted Ownership

Median weight: 0.21%Avg weight: 1.97%Max: 16.82%High conviction (>1%): 1

BlackRock,

VANGUARD CAPITAL MANAGEMENT

STATE STREET

Temasek Holdings (Private)

BANK OF AMERICA

Capital Research Global Investors

WELLINGTON MANAGEMENT GROUP LLP

VANGUARD PORTFOLIO MANAGEMENT

MORGAN STANLEY

GEODE CAPITAL MANAGEMENT,

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$8.9B9.2M shr

NEWWELLINGTON MANAGEMENT GROUP LLP$3.5B3.6M shr

NEWVANGUARD PORTFOLIO MANAGEMENT$3.4B3.5M shr

BOUGHTCapital Research Global Investors$742M771K shr

BOUGHTTemasek Holdings (Private)$229M238K shr

NEWNORGES BANK$2.7B2.6M shr

BOUGHTVANGUARD GROUP$237M221K shr

BOUGHTBANK OF AMERICA CORP /DE$129M121K shr

BOUGHTSTATE STREET$36M34K shr

BOUGHTGEODE CAPITAL MANAGEMENT$29M28K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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