Pool Corporation (POOL)

Highly Crowded

Held by 560 of 5,944 reporting institutions (97th percentile) — extremely crowded.

Data as of Q1 2026

Institutional Ownership

98.08%

QoQ Change

+3.34%

Total Value

$6.6T

Shares Outstanding

36.4M

Crowding AnalysisHighly Crowded

Holders560of 5,944

Avg: 68

Uncrowded97th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.04x

94th percentile

339 buying327 selling

+92

New

-145

Closed

+342K

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3.5 QHolders: 560

Ownership Concentration

Top 5: 34.7%Top 10: 52.9%

WELLINGTON MANAGEMENT GROUP LLP8.0%

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT8.0%

BlackRock,6.4%

T. Rowe Price Investment Management,6.3%

VANGUARD CAPITAL MANAGEMENT6.0%

Others (555)65.3%

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Conviction-Weighted Ownership

Median weight: 0.02%Avg weight: 0.22%Max: 1.69%High conviction (>1%): 1

WELLINGTON MANAGEMENT GROUP LLP

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT

BlackRock,

T. Rowe Price Investment Management,

VANGUARD CAPITAL MANAGEMENT

MORGAN STANLEY

VANGUARD PORTFOLIO MANAGEMENT

STATE STREET

Invesco

GEODE CAPITAL MANAGEMENT,

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$434M2.1M shr

NEWVANGUARD PORTFOLIO MANAGEMENT$337M1.7M shr

BOUGHTKAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT$221M1.1M shr

BOUGHTMORGAN STANLEY$68M338K shr

BOUGHTWELLINGTON MANAGEMENT GROUP LLP$63M313K shr

SOLDBlackRock$153M669K shr

SOLDKAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT$104M454K shr

SOLDBERKSHIRE HATHAWAY$89M390K shr

SOLDSTATE STREET$46M201K shr

BOUGHTInvesco$34M149K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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