AMERICAN RAILCAR INDS INC

CUSIP: 02916P103 Class: COMMON STOCK

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

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

Q3 2014
Shares 69,121 Value ($000) $5,109 Avg Close — Range —
Q2 2014
Shares 44,717 Value ($000) $3,030 Avg Close — Range —
Q1 2014
Shares 34,521 Value ($000) $2,418 Avg Close — Range —