ProMIS Neurosciences Inc. (PMN)

Accumulating

Strong institutional accumulation: ownership increased +68.01% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

68.50%

QoQ Change

+68.01%

Total Value

$78.0B

Shares Outstanding

9.0M

Crowding AnalysisCrowded

Holders25of 5,944

Avg: 68

Uncrowded77th percentileCrowded

Institutional Activity

Buy/Sell Ratio4.2x

55th percentile

21 buying5 selling

+18

New

-2

Closed

+5.9M

Net shares

Holding Period Distribution

estimate

Median: 1 QAvg: 1.3 QHolders: 25

Ownership Concentration

Top 5: 61.8%Top 10: 90.2%

JANUS HENDERSON GROUP21.0%

Deep Track Capital,13.6%

WELLINGTON MANAGEMENT GROUP LLP11.3%

Trails Edge Capital Partners,9.1%

Ally Bridge Group (NY)6.7%

Others (20)38.2%

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Conviction-Weighted Ownership

Median weight: 0.87%Avg weight: 1.40%Max: 4.60%High conviction (>1%): 5

JANUS HENDERSON GROUP

Deep Track Capital,

WELLINGTON MANAGEMENT GROUP LLP

Trails Edge Capital Partners,

Ally Bridge Group (NY)

Woodline Partners

GREAT POINT PARTNERS

Yu Fan

SPHERA FUNDS MANAGEMENT

Squadron Capital Management

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

NEWJANUS HENDERSON GROUP$16M1.3M shr

NEWDeep Track Capital$11M836K shr

NEWWELLINGTON MANAGEMENT GROUP LLP$9M696K shr

NEWTrails Edge Capital Partners$7M557K shr

NEWWoodline Partners$5M395K shr

NEWAlly Bridge Group (NY)$2M249K shr

NEWSPHERA FUNDS MANAGEMENT$81K12K shr

NEWUBS Group AG$10K1K shr

NEWOSAIC HOLDINGS$2K360 shr

NEWFederation des caisses Desjardins du Quebec$2K330 shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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