LB Pharmaceuticals Inc Common Stock (LBRX)

Neutral

Institutional ownership roughly stable: +0.20% change quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

98.19%

QoQ Change

+0.20%

Total Value

$690.8B

Shares Outstanding

28.7M

Crowding AnalysisCrowded

Holders75of 5,944

Avg: 68

Uncrowded85th percentileCrowded

Institutional Activity

Buy/Sell Ratio2.04x

67th percentile

51 buying25 selling

+20

New

-11

Closed

+3.4M

Net shares

Holding Period Distribution

estimate

Median: 2 QAvg: 2 QHolders: 75

Ownership Concentration

Top 5: 40.4%Top 10: 63.9%

Deep Track Capital,11.9%

BlackRock,8.8%

RA CAPITAL MANAGEMENT, L.P.7.8%

TCG Crossover Management,6.5%

Commodore Capital5.3%

Others (70)59.6%

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Conviction-Weighted Ownership

Median weight: 1.32%Avg weight: 2.42%Max: 8.09%High conviction (>1%): 6

Deep Track Capital,

BlackRock,

RA CAPITAL MANAGEMENT, L.P.

TCG Crossover Management,

Commodore Capital

Caligan Partners

JPMORGAN CHASE &

Spruce Street Capital

Trails Edge Capital Partners,

Nantahala Capital Management,

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Whale Moves Timeline (2 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWCaligan Partners$35M1.4M shr

NEWNantahala Capital Management$26M1.1M shr

BOUGHTSpruce Street Capital$9M371K shr

BOUGHTBlackRock$6M232K shr

SOLDJPMORGAN CHASE$4M184K shr

NEWTrails Edge Capital Partners$31M1.4M shr

BOUGHTBlackRock$28M1.3M shr

NEWVANGUARD GROUP$25M1.1M shr

NEWSpruce Street Capital$22M1.0M shr

BOUGHTJPMORGAN CHASE$13M579K shr

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Institutional Trends (3 Quarters)

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Institutional Holders

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