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 FOUR

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Shares Held

Position Value (USD)

11 of 11 shown
Report Date Value (USD) Shares
2026-03-31 $9,370,639 214,284
2025-12-31 $29,473,927 468,063
2025-09-30 $14,610,101 188,761
2025-06-30 $43,130,194 435,175
2025-03-31 $33,215,033 406,499
2024-12-31 $14,629,970 140,971
2024-09-30 $11,926,623 134,612
2024-06-30 $13,753,125 187,500
2024-03-31 $15,811,145 239,309
2023-12-31 $16,037,145 215,727
2023-09-30 $5,522,991 99,747