Rock Springs Capital Management’s Tandem Diabetes Care TNDM Stock Holding History

Rock Springs Capital Management’s Portfolio TNDM Stock Details TNDM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-56,250	Closed	-$411K	–	151
2017 Q3	$411K	Hold	56,250	–	–	0.02%	142
2017 Q2	$450K	Sell	56,250 -3,250	-5%	-$30K	0.02%	145
2017 Q1	$714K	Hold	59,500	–	–	0.04%	136
2016 Q4	$1.28M	Hold	59,500	–	–	0.09%	119
2016 Q3	$4.56M	Hold	59,500	–	–	0.29%	91
2016 Q2	$4.49M	Buy	59,500 +3,250	+6%	+$262K	0.33%	87
2016 Q1	$4.9M	Hold	56,250	–	–	0.41%	79
2015 Q4	$6.64M	Buy	56,250 +2,000	+4%	+$198K	0.5%	68
2015 Q3	$4.78M	Buy	54,250 +750	+1%	+$87.3K	0.39%	84
2015 Q2	$5.8M	Buy	53,500 +5,920	+12%	+$736K	0.42%	81
2015 Q1	$6M	Buy	47,580 +12,580	+36%	+$1.64M	0.56%	63
2014 Q4	$4.45M	Buy	35,000 +7,300	+26%	+$1.01M	0.52%	59
2014 Q3	$3.72M	Buy	27,700 +8,200	+42%	+$1.15M	0.58%	53
2014 Q2	$3.17M	Buy	+19,500	New	+$3.32M	0.57%	61

Other funds holding TNDM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return

TPG Group Holdings (SBS) Advisors Fort Worth, Texas $10.1B AUM 22.58% 1-Year Est. Return

Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

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

Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

AFP

Ausdal Financial Partners Davenport, Iowa $2.56B AUM 27.42% 1-Year Est. Return

Wedbush Securities Los Angeles, California $3.88B AUM 32.38% 1-Year Est. Return

Rock Springs Capital Management's TNDM Position: Q4 2017 in Review

Rock Springs Capital Management sold out of Tandem Diabetes Care (TNDM) in Q4 2017, closing a stake of 56,250 shares — an estimated $411K sold.

Rock Springs Capital Management first reported a position in TNDM in Q2 2014 and held it in 14 quarters. The position peaked at $6.64M in Q4 2015. 42 funds tracked by Wall St. Rank hold TNDM as of Q4 2017.

Rock Springs Capital Management reported no remaining Tandem Diabetes Care position as of Q4 2017 after selling out during the quarter.
Rock Springs Capital Management sold 56,250 Tandem Diabetes Care shares in Q4 2017, an estimated $411K.
Rock Springs Capital Management first reported a position in Tandem Diabetes Care in Q2 2014 and held it in 14 quarters.
Rock Springs Capital Management's Tandem Diabetes Care position peaked at $6.64M in Q4 2015.
42 funds tracked by Wall St. Rank held Tandem Diabetes Care as of Q4 2017.

Based on Rock Springs Capital Management's 13F filing for Q4 2017, filed 14 Feb 2018.