William Blair Investment Management’s AtriCure ATRC Stock Holding History

William Blair Investment Management’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
2017 Q1	–	Sell	-439,054	Closed	-$8.59M	–	435
2016 Q4	$8.59M	Sell	439,054 -253,791	-37%	-$4.6M	0.03%	321
2016 Q3	$11M	Buy	692,845 +284,513	+70%	+$4.37M	0.04%	307
2016 Q2	$5.77M	Sell	408,332 -3,706	-0.9%	-$56.5K	0.02%	343
2016 Q1	$6.93M	Buy	412,038 +31,630	+8%	+$556K	0.03%	324
2015 Q4	$8.54M	Buy	+380,408	New	+$7.84M	0.03%	301

Other funds holding ATRC

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

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

CCM

Consonance Capital Management New York $7.28M AUM 43.59% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

HEC

Hudson Executive Capital New York $151M AUM 60.14% 1-Year Est. Return

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

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

PCM

Peregrine Capital Management Minneapolis, Minnesota $3.08B AUM 29.51% 1-Year Est. Return

FLAM

First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

Loomis, Sayles & Company Boston, Massachusetts $74.3B AUM 24.01% 1-Year Est. Return

William Blair Investment Management's ATRC Position: Q1 2017 in Review

William Blair Investment Management sold out of AtriCure (ATRC) in Q1 2017, closing a stake of 439,054 shares — an estimated $8.59M sold.

William Blair Investment Management first reported a position in ATRC in Q4 2015 and held it in 5 quarters. The position peaked at $11M in Q3 2016. 99 funds tracked by Wall St. Rank hold ATRC as of Q1 2017.

William Blair Investment Management reported no remaining AtriCure position as of Q1 2017 after selling out during the quarter.
William Blair Investment Management sold 439,054 AtriCure shares in Q1 2017, an estimated $8.59M.
William Blair Investment Management first reported a position in AtriCure in Q4 2015 and held it in 5 quarters.
William Blair Investment Management's AtriCure position peaked at $11M in Q3 2016.
99 funds tracked by Wall St. Rank held AtriCure as of Q1 2017.

Based on William Blair Investment Management's 13F filing for Q1 2017, filed 10 May 2017.