A.R.T. Advisors, LLC - TETRAPHASE PHARMACEUTICALS I ownership

TETRAPHASE PHARMACEUTICALS I's ticker is TTPHXXXX and the CUSIP is 88165N105. A total of 94 filers reported holding TETRAPHASE PHARMACEUTICALS I in Q1 2018. The put-call ratio across all filers is 0.42 and the average weighting 0.0%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of TETRAPHASE PHARMACEUTICALS I
ValueSharesWeighting
Q2 2019$48,000
-67.8%
100,613
-9.7%
0.00%
-66.7%
Q1 2019$149,000
+39.3%
111,388
+18.0%
0.01%
+28.6%
Q4 2018$107,000
-60.8%
94,382
-4.7%
0.01%
-41.7%
Q3 2018$273,000
-56.1%
99,059
-43.2%
0.01%
-52.0%
Q2 2018$622,000
-22.9%
174,335
-33.7%
0.02%
-21.9%
Q1 2018$807,000
+540.5%
262,896
+1324.4%
0.03%
+433.3%
Q3 2017$126,000
-86.3%
18,457
-85.7%
0.01%
-87.8%
Q2 2017$922,000
+147.2%
129,425
+218.1%
0.05%
+188.2%
Q1 2017$373,000
+258.7%
40,685
+57.1%
0.02%
+183.3%
Q4 2016$104,000
-97.1%
25,900
-92.7%
0.01%
-96.4%
Q4 2015$3,545,000
+133.4%
353,527
+73.5%
0.17%
+200.0%
Q3 2015$1,519,000
+1752.4%
203,708
+1631.5%
0.06%
+1766.7%
Q2 2013$82,00011,7650.00%
Other shareholders
TETRAPHASE PHARMACEUTICALS I shareholders Q1 2018
NameSharesValueWeighting ↓
HARVEY CAPITAL MANAGEMENT INC 317,900$11,647,0004.28%
Opaleye Management Inc. 175,000$6,412,0002.98%
Graticule Asia Macro Advisors LLC 413,200$15,139,0002.02%
BB BIOTECH AG 1,477,114$54,121,0001.61%
Iguana Healthcare Management, LLC 75,000$2,748,0001.16%
Granite Point Capital Management, L.P. 79,250$2,904,0001.06%
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT 458,202$16,788,0000.89%
Ghost Tree Capital, LLC 130,000$4,764,0000.86%
SECTORAL ASSET MANAGEMENT INC 605,393$22,182,0000.84%
HealthCor Management, L.P. 467,200$17,118,0000.82%
View complete list of TETRAPHASE PHARMACEUTICALS I shareholders