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Portolan Capital Management, LLC

CIK
1350290
City
BOSTON
State / Country
MA

Top Portfolio Positions

141 positions · $1,858,184,444 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in CLBT

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Shares Held

Position Value (USD)

9 quarters on record
Report Date Value (USD) Shares
2026-03-31 $30,053,132 2,180,924
2025-12-31 $23,209,784 1,287,287
2025-09-30 $44,836,336 2,419,662
2025-06-30 $16,189,504 1,011,844
2025-03-31 $19,216,114 988,992
2024-12-31 $20,154,277 914,856
2024-09-30 $20,612,496 1,224,020
2024-06-30 $12,200,376 1,020,952
2024-03-31 $12,671,885 1,143,672