Fulcrum Therapeutics, Inc. (FULC)

Highly Crowded

Held by 164 of 5,944 reporting institutions (90th percentile) — extremely crowded.

Data as of Q1 2026

Institutional Ownership

100.00%

QoQ Change

+6.99%

Total Value

$543.4B

Shares Outstanding

66.6M

Crowding AnalysisHighly Crowded

Holders164of 5,944

Avg: 68

Uncrowded90th percentileCrowded

Institutional Activity

Buy/Sell Ratio1.38x

79th percentile

109 buying79 selling

+36

New

-40

Closed

+4.5M

Net shares

Holding Period Distribution

estimate

Median: 2 QAvg: 2.6 QHolders: 164

Ownership Concentration

Top 5: 36.6%Top 10: 54.0%

SUVRETTA CAPITAL MANAGEMENT,9.1%

RA CAPITAL MANAGEMENT, L.P.8.4%

BlackRock,7.5%

TCG Crossover Management,7.3%

BRAIDWELL4.3%

Others (159)63.4%

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Conviction-Weighted Ownership

Median weight: 0.65%Avg weight: 0.71%Max: 1.93%High conviction (>1%): 3

SUVRETTA CAPITAL MANAGEMENT,

RA CAPITAL MANAGEMENT, L.P.

BlackRock,

TCG Crossover Management,

BRAIDWELL

Nantahala Capital Management,

VANGUARD CAPITAL MANAGEMENT

Siren, L.L.C.

First Turn Management,

Aberdeen Group

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWVANGUARD CAPITAL MANAGEMENT$21M2.7M shr

NEWFirst Turn Management$17M2.3M shr

NEWAberdeen Group$17M2.2M shr

SOLDNantahala Capital Management$10M1.2M shr

BOUGHTBlackRock$9M1.1M shr

SOLDRA CAPITAL MANAGEMENT, L.P.$47M4.2M shr

NEWBRAIDWELL$35M3.1M shr

NEWPoint72 Asset Management, L.P.$27M2.4M shr

NEWSiren, L.L.C.$22M1.9M shr

BOUGHTSUVRETTA CAPITAL MANAGEMENT$13M1.2M shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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