Tamarack Capital Management’s AtriCure ATRC Stock Holding History

Tamarack Capital 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
2015 Q4	–	Sell	-825,000	Closed	-$18.1M	–	4
2015 Q3	$18.1M	Sell	825,000 -60,000	-7%	-$1.5M	2.15%	15
2015 Q2	$21.8M	Buy	885,000 +85,000	+11%	+$1.9M	2.51%	14
2015 Q1	$16.4M	Buy	800,000 +115,000	+17%	+$2.23M	2.16%	15
2014 Q4	$13.7M	Sell	685,000 -15,000	-2%	-$257K	2.07%	17
2014 Q3	$10.3M	Buy	700,000 +113,445	+19%	+$1.81M	2.28%	17
2014 Q2	$9.83M	Buy	586,555 +164,263	+39%	+$2.73M	2.01%	16
2014 Q1	$7.94M	Sell	422,292 -419,308	-50%	-$8.59M	1.98%	20
2013 Q4	$15.7M	Sell	841,600 -58,400	-6%	-$849K	3.72%	9
2013 Q3	$9.88M	Buy	900,000 +27,553	+3%	+$272K	2.62%	14
2013 Q2	$8.29M	Buy	+872,447	New	+$7.6M	4.64%	7

Other funds holding ATRC

RIM

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

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

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

FLAM

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

Broadfin Capital New York $747M AUM 100.56% 1-Year Est. Return

EMFAT

Emerald Mutual Fund Advisers Trust Leola, Pennsylvania $2.06B AUM 106.87% 1-Year Est. Return

Emerald Advisers Leola, Pennsylvania $3.16B AUM 109.58% 1-Year Est. Return

BFA

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

Tamarack Capital Management's ATRC Position: Q4 2015 in Review

Tamarack Capital Management sold out of AtriCure (ATRC) in Q4 2015, closing a stake of 825,000 shares — an estimated $18.1M sold.

Tamarack Capital Management first reported a position in ATRC in Q2 2013 and held it in 10 quarters. The position peaked at $21.8M in Q2 2015. 118 funds tracked by Wall St. Rank hold ATRC as of Q4 2015.

Tamarack Capital Management reported no remaining AtriCure position as of Q4 2015 after selling out during the quarter.
Tamarack Capital Management sold 825,000 AtriCure shares in Q4 2015, an estimated $18.1M.
Tamarack Capital Management first reported a position in AtriCure in Q2 2013 and held it in 10 quarters.
Tamarack Capital Management's AtriCure position peaked at $21.8M in Q2 2015.
118 funds tracked by Wall St. Rank held AtriCure as of Q4 2015.

Based on Tamarack Capital Management's 13F filing for Q4 2015.