Tamarack Capital Management’s DexCom DXCM Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q2	–	Sell	-900,000	Closed	-$14M	–	36
2015 Q1	$14M	Sell	900,000 -460,000	-34%	-$6.95M	1.85%	20
2014 Q4	$18.7M	Buy	1,360,000 +940,000	+224%	+$11.5M	2.84%	12
2014 Q3	$4.2M	Buy	+420,000	New	+$4.29M	0.93%	27
2014 Q1	–	Sell	-1,240,000	Closed	-$11M	–	25
2013 Q4	$11M	Sell	1,240,000 -67,176	-5%	-$532K	2.6%	14
2013 Q3	$9.22M	Sell	1,307,176 -92,824	-7%	-$588K	2.44%	17
2013 Q2	$7.86M	Buy	+1,400,000	New	+$6.71M	4.4%	10

Other funds holding DXCM

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

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

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

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

Winslow Capital Management Minneapolis, Minnesota $25.6B AUM 33.75% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Tamarack Capital Management's DXCM Position: Q2 2015 in Review

Tamarack Capital Management sold out of DexCom (DXCM) in Q2 2015, closing a stake of 900,000 shares — an estimated $14M sold.

Tamarack Capital Management first reported a position in DXCM in Q2 2013 and held it in 6 quarters. The position peaked at $18.7M in Q4 2014. 257 funds tracked by Wall St. Rank hold DXCM as of Q2 2015.

Tamarack Capital Management reported no remaining DexCom position as of Q2 2015 after selling out during the quarter.
Tamarack Capital Management sold 900,000 DexCom shares in Q2 2015, an estimated $14M.
Tamarack Capital Management first reported a position in DexCom in Q2 2013 and held it in 6 quarters.
Tamarack Capital Management's DexCom position peaked at $18.7M in Q4 2014.
257 funds tracked by Wall St. Rank held DexCom as of Q2 2015.

Based on Tamarack Capital Management's 13F filing for Q2 2015, filed 11 Aug 2015.