Tamarack Capital Management’s Alkermes ALKS Stock Holding History

Tamarack Capital Management’s Portfolio ALKS Stock Details ALKS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-365,000	Closed	-$21.4M	–	1
2015 Q3	$21.4M	Sell	365,000 -35,000	-9%	-$2.31M	2.55%	13
2015 Q2	$25.7M	Buy	400,000 +160,000	+67%	+$9.79M	2.96%	10
2015 Q1	$14.6M	Sell	240,000 -60,000	-20%	-$4.1M	1.93%	18
2014 Q4	$17.6M	Sell	300,000 -150,000	-33%	-$7.64M	2.66%	13
2014 Q3	$19.3M	Sell	450,000 -75,000	-14%	-$3.36M	4.28%	8
2014 Q2	$25.6M	Buy	525,000 +50,000	+11%	+$2.31M	5.22%	6
2014 Q1	$20.9M	Sell	475,000 -215,000	-31%	-$10.2M	5.23%	6
2013 Q4	$28.1M	Buy	690,000 +65,000	+10%	+$2.4M	6.64%	3
2013 Q3	$21M	Buy	625,000 +75,000	+14%	+$2.44M	5.56%	3
2013 Q2	$15.8M	Buy	+550,000	New	+$16M	8.84%	3

Other funds holding ALKS

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

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

WIM

Woodford Investment Management London, United Kingdom $310M AUM 17.41% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

BFA

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

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

Tamarack Capital Management sold out of Alkermes (ALKS) in Q4 2015, closing a stake of 365,000 shares — an estimated $21.4M sold.

Tamarack Capital Management first reported a position in ALKS in Q2 2013 and held it in 10 quarters. The position peaked at $28.1M in Q4 2013. 292 funds tracked by Wall St. Rank hold ALKS as of Q4 2015.

Tamarack Capital Management reported no remaining Alkermes position as of Q4 2015 after selling out during the quarter.
Tamarack Capital Management sold 365,000 Alkermes shares in Q4 2015, an estimated $21.4M.
Tamarack Capital Management first reported a position in Alkermes in Q2 2013 and held it in 10 quarters.
Tamarack Capital Management's Alkermes position peaked at $28.1M in Q4 2013.
292 funds tracked by Wall St. Rank held Alkermes as of Q4 2015.

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