ACADIA PHARMACEUTICALS INC

Ticker: ACAD CUSIP: 004225108 Class: Common Stock

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

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

Q3 2015

Shares 44,850 Value ($000) $1,483 Avg Close $41.61 Range $30.03 - $51.99

Q2 2015

Shares 105,013 Value ($000) $4,398 Avg Close $38.70 Range $31.00 - $43.24

Q1 2015

Shares 108,079 Value ($000) $3,522 Avg Close $34.37 Range $29.45 - $46.48

Q4 2014

Shares 150,293 Value ($000) $4,772 Avg Close $28.36 Range $22.04 - $33.49

Q3 2014

Shares 58,650 Value ($000) $1,452 Avg Close $23.39 Range $19.21 - $29.31

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	44,850	$1,483	$41.61	$30.03 - $51.99
Q2 2015	105,013	$4,398	$38.70	$31.00 - $43.24
Q1 2015	108,079	$3,522	$34.37	$29.45 - $46.48
Q4 2014	150,293	$4,772	$28.36	$22.04 - $33.49
Q3 2014	58,650	$1,452	$23.39	$19.21 - $29.31