ISIS PHARMACEUTICALS INC

CUSIP: 464330109 Class: CMN

PERKINS CAPITAL MANAGEMENT INC's Holding History (CIK: 0000884300)

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

Q3 2015
Shares 20,350 Value ($000) $823 Avg Close — Range —
Q2 2015
Shares 20,950 Value ($000) $1,206 Avg Close — Range —
Q1 2015
Shares 22,700 Value ($000) $1,445 Avg Close — Range —
Q4 2014
Shares 25,300 Value ($000) $1,562 Avg Close — Range —
Q3 2014
Shares 28,465 Value ($000) $1,105 Avg Close — Range —
Q2 2014
Shares 30,965 Value ($000) $1,067 Avg Close — Range —
Q1 2014
Shares 34,165 Value ($000) $1,476 Avg Close — Range —
Q4 2013
Shares 48,515 Value ($000) $1,933 Avg Close — Range —
Q3 2013
Shares 52,850 Value ($000) $1,984 Avg Close — Range —
Q2 2013
Shares 66,750 Value ($000) $1,794 Avg Close — Range —