WESTPORT FUEL SYSTEMS INC. (WPRT)

Accumulating

Institutional accumulation: ownership increased +0.50% quarter-over-quarter.

Data as of Q1 2026

Institutional Ownership

12.73%

QoQ Change

+0.50%

Total Value

$4.0B

Shares Outstanding

17.4M

Crowding AnalysisCrowded

Holders42of 5,944

Avg: 68

Uncrowded81th percentileCrowded

Institutional Activity

Buy/Sell Ratio0.68x

51th percentile

15 buying22 selling

New

-13

Closed

+111K

Net shares

Holding Period Distribution

estimate

Median: 3 QAvg: 3.4 QHolders: 42

Ownership Concentration

Top 5: 92.0%Top 10: 97.4%

GRACE & WHITE INC /NY45.5%

ROYCE & ASSOCIATES22.2%

CITADEL ADVISORS9.3%

US BANCORP \DE\7.5%

Baird Financial Group,7.4%

Others (37)8.0%

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Conviction-Weighted Ownership

Median weight: 0.00%Avg weight: 0.03%Max: 0.32%High conviction (>1%): 0

GRACE & WHITE INC /NY

ROYCE & ASSOCIATES

CITADEL ADVISORS

US BANCORP \DE\

Baird Financial Group,

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Whale Moves Timeline (8 Quarters)

Biggest dollar-value position changes among top 10 holders

BOUGHTROYCE & ASSOCIATES$481K264K shr

SOLDGRACE & WHITE INC /NY$279K153K shr

BOUGHTCITADEL ADVISORS$100K55K shr

NEWGROUP ONE TRADING$32K18K shr

NEWUBS Group AG$30K16K shr

SOLDBaird Financial Group$584K372K shr

NEWROYCE & ASSOCIATES$357K228K shr

BOUGHTGRACE & WHITE INC /NY$180K115K shr

BOUGHTCITADEL ADVISORS$129K82K shr

NEWJANE STREET GROUP$61K39K shr

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Institutional Trends (8 Quarters)

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Institutional Holders

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