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
MOD
Modine Manufacturing Co
Consumer Cyclical
412,092 $89,304,457 4.81%
TTMI
Ttm Technologies Inc
Technology
727,494 $70,872,465 3.81%
CLS
Celestica Inc
Technology
197,863 $55,734,049 3.00%
VIRT
Virtu Financial, Inc.
Financial Services
1,211,887 $53,298,790 2.87%
AKAM
Akamai Technologies Inc
Technology
423,442 $48,632,313 2.62%
VPG
Vishay Precision Group, Inc.
Technology
1,019,868 $44,282,668 2.38%
PARR
Par Pacific Holdings, Inc.
Energy
693,834 $43,461,761 2.34%
POWL
Powell Industries Inc
Industrials
75,830 $41,030,096 2.21%
BIDU
Baidu, Inc.
Communication Services
366,429 $40,827,519 2.20%
PBF
PBF Energy Inc.
Energy
799,998 $38,095,904 2.05%

Portfolio Trend

25 quarters · across all stocks

Holdings in PRIM

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Shares Held

Position Value (USD)

8 of 8 shown
Report Date Value (USD) Shares
2026-03-31 $18,684,743 130,626
2025-12-31 $13,123,584 105,716
2025-09-30 $20,495,266 149,241
2025-06-30 $7,751,055 99,449
2025-03-31 $587,878 10,240
2024-12-31 $8,193,288 107,242
2024-09-30 $9,472,267 163,090
2024-06-30 $6,313,180 126,542