QUANTUM CORP

CUSIP: 747906501 Class: COM NEW

Portolan Capital Management, LLC's Holding History (CIK: 0001350290)

Note: Option positions (PUT/CALL) are excluded.

Q1 2021
Shares 468,947 Value ($000) $3,906 Avg Close — Range —
Q4 2020
Shares 115,122 Value ($000) $705 Avg Close — Range —
Q3 2020
Shares 119,953 Value ($000) $552 Avg Close — Range —
Q2 2020
Shares 389,688 Value ($000) $1,504 Avg Close — Range —
Q1 2020
Shares 627,402 Value ($000) $1,851 Avg Close — Range —
Q4 2018
Shares 32,229 Value ($000) $64 Avg Close — Range —
Q3 2018
Shares 2,954,713 Value ($000) $7,091 Avg Close — Range —
Q2 2018
Shares 2,078,153 Value ($000) $4,572 Avg Close — Range —
Q1 2018
Shares 2,680,631 Value ($000) $9,757 Avg Close — Range —
Q4 2017
Shares 1,098,137 Value ($000) $6,183 Avg Close — Range —