OPKO Health, Inc. (OPK)

Highly Crowded

Held by 226 of 5,944 reporting institutions (92th percentile) — extremely crowded.

Data as of Q1 2026

Institutional Ownership

26.49%

QoQ Change

+0.18%

Total Value

$226.2B

Shares Outstanding

755.1M

Crowding AnalysisHighly Crowded

Holders226of 5,944

Avg: 68

Uncrowded92th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.04x

77th percentile

99 buying95 selling

+43

New

-32

Closed

+821K

Net shares

Holding Period Distribution

estimate

Median: 4 QAvg: 3.8 QHolders: 226

Ownership Concentration

Top 5: 62.3%Top 10: 77.8%

Rubric Capital Management23.9%

BlackRock,18.1%

VANGUARD PORTFOLIO MANAGEMENT7.4%

VANGUARD CAPITAL MANAGEMENT7.3%

GEODE CAPITAL MANAGEMENT,5.7%

Others (221)37.7%

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Conviction-Weighted Ownership

Median weight: 0.00%Avg weight: 0.20%Max: 1.43%High conviction (>1%): 1

Rubric Capital Management

BlackRock,

VANGUARD PORTFOLIO MANAGEMENT

VANGUARD CAPITAL MANAGEMENT

GEODE CAPITAL MANAGEMENT,

STATE STREET

GOLDMAN SACHS GROUP

UBS Group AG

Whitefort Capital Management,

NORTHERN TRUST

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD PORTFOLIO MANAGEMENT$17M14.8M shr

NEWVANGUARD CAPITAL MANAGEMENT$17M14.5M shr

BOUGHTGOLDMAN SACHS GROUP$2M1.7M shr

BOUGHTBlackRock$2M1.4M shr

BOUGHTUBS Group AG$819K719K shr

NEWGOLDMAN SACHS GROUP$8M6.0M shr

SOLDVANGUARD GROUP$6M5.1M shr

BOUGHTBlackRock$2M1.7M shr

SOLDWhitefort Capital Management$815K647K shr

BOUGHTUBS Group AG$727K577K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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