Rock Springs Capital Management’s Tetraphase Pharmaceuticals, Inc. TTPH Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2018 Q1	–	Sell	-47,500	Closed	-$5.99M	–	162
2017 Q4	$5.99M	Hold	47,500	–	–	0.27%	100
2017 Q3	$6.5M	Buy	47,500 +12,600	+36%	+$1.69M	0.3%	95
2017 Q2	$4.98M	Hold	34,900	–	–	0.25%	100
2017 Q1	$6.42M	Hold	34,900	–	–	0.37%	76
2016 Q4	$2.81M	Buy	34,900 +1,775	+5%	+$140K	0.19%	101
2016 Q3	$2.54M	Buy	33,125 +11,875	+56%	+$951K	0.16%	114
2016 Q2	$1.83M	Buy	21,250 +1,250	+6%	+$115K	0.14%	117
2016 Q1	$1.85M	Buy	20,000 +10,000	+100%	+$999K	0.16%	115
2015 Q4	$2.01M	Buy	+10,000	New	+$2M	0.15%	110
2015 Q3	–	Sell	-2,150	Closed	-$2.04M	–	130
2015 Q2	$2.04M	Sell	2,150 -2,975	-58%	-$2.43M	0.15%	109
2015 Q1	$3.76M	Buy	+5,125	New	+$3.85M	0.35%	85

Other funds holding TTPH

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

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Man Group London, United Kingdom $55.1B AUM 24.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

TCM

Tekla Capital Management Boston, Massachusetts $2.56B AUM 18.15% 1-Year Est. Return

Rock Springs Capital Management's TTPH Position: Q1 2018 in Review

Rock Springs Capital Management sold out of Tetraphase Pharmaceuticals, Inc. (TTPH) in Q1 2018, closing a stake of 47,500 shares — an estimated $5.99M sold.

Rock Springs Capital Management first reported a position in TTPH in Q1 2015 and held it in 11 quarters. The position peaked at $6.5M in Q3 2017. 94 funds tracked by Wall St. Rank hold TTPH as of Q1 2018.

Rock Springs Capital Management reported no remaining Tetraphase Pharmaceuticals, Inc. position as of Q1 2018 after selling out during the quarter.
Rock Springs Capital Management sold 47,500 Tetraphase Pharmaceuticals, Inc. shares in Q1 2018, an estimated $5.99M.
Rock Springs Capital Management first reported a position in Tetraphase Pharmaceuticals, Inc. in Q1 2015 and held it in 11 quarters.
Rock Springs Capital Management's Tetraphase Pharmaceuticals, Inc. position peaked at $6.5M in Q3 2017.
94 funds tracked by Wall St. Rank held Tetraphase Pharmaceuticals, Inc. as of Q1 2018.

Based on Rock Springs Capital Management's 13F filing for Q1 2018, filed 15 May 2018.