Ghost Tree Capital’s AtriCure ATRC Stock Holding History

Ghost Tree Capital’s Portfolio ATRC Stock Details ATRC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-100,000	Closed	-$2M	–	67
2014 Q4	$2M	Sell	100,000 -150,000	-60%	-$2.57M	0.96%	43
2014 Q3	$3.68M	Buy	250,000 +25,000	+11%	+$398K	2%	19
2014 Q2	$4.14M	Buy	225,000 +140,000	+165%	+$2.33M	2.92%	11
2014 Q1	$1.6M	Buy	+85,000	New	+$1.74M	0.95%	36

Other funds holding ATRC

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

RIM

RS Investment Management San Francisco, California $9.73B AUM 3.24% 1-Year Est. Return

Northpointe Capital Bloomfield Hills, Michigan $258M AUM 1.97% 1-Year Est. Return

CAM

Cortina Asset Management Milwaukee, Wisconsin $1.62B AUM 15.44% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

TCM

Tamarack Capital Management Carlsbad, California $840M AUM 19.47% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

Ghost Tree Capital's ATRC Position: Q1 2015 in Review

Ghost Tree Capital sold out of AtriCure (ATRC) in Q1 2015, closing a stake of 100,000 shares — an estimated $2M sold.

Ghost Tree Capital first reported a position in ATRC in Q1 2014 and held it in 4 quarters. The position peaked at $4.14M in Q2 2014. 110 funds tracked by Wall St. Rank hold ATRC as of Q1 2015.

Ghost Tree Capital reported no remaining AtriCure position as of Q1 2015 after selling out during the quarter.
Ghost Tree Capital sold 100,000 AtriCure shares in Q1 2015, an estimated $2M.
Ghost Tree Capital first reported a position in AtriCure in Q1 2014 and held it in 4 quarters.
Ghost Tree Capital's AtriCure position peaked at $4.14M in Q2 2014.
110 funds tracked by Wall St. Rank held AtriCure as of Q1 2015.

Based on Ghost Tree Capital's 13F filing for Q1 2015, filed 15 May 2015.