GROUP ONE TRADING, L.P. - RETROPHIN INC ownership

RETROPHIN INC's ticker is RTRX and the CUSIP is 761299106. A total of 126 filers reported holding RETROPHIN INC in Q2 2019. The put-call ratio across all filers is 5.26 and the average weighting 0.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of RETROPHIN INC
ValueSharesWeighting
Q1 2020$11,0000.0%753
-4.9%
0.00%
Q4 2019$11,0000.0%792
-19.8%
0.00%
Q3 2019$11,000
-97.8%
988
-96.0%
0.00%
-100.0%
Q2 2019$492,000
+24500.0%
24,487
+35910.3%
0.00%
Q1 2018$2,000
+100.0%
680.0%0.00%
Q4 2017$1,000
-96.6%
68
-95.7%
0.00%
Q1 2017$29,000
+26.1%
1,567
+27.5%
0.00%
Q4 2016$23,000
-96.9%
1,229
-97.0%
0.00%
-100.0%
Q2 2016$742,000
-38.8%
41,659
-53.0%
0.01%
-47.1%
Q1 2016$1,212,000
+152.5%
88,703
+256.6%
0.02%
+183.3%
Q4 2015$480,000
+37.9%
24,875
+45.0%
0.01%
+20.0%
Q3 2015$348,000
+673.3%
17,152
+1164.9%
0.01%
+400.0%
Q2 2015$45,000
-94.0%
1,356
-95.7%
0.00%
-91.7%
Q1 2015$752,000
+1828.2%
31,401
+890.9%
0.01%
+1100.0%
Q4 2014$39,000
+143.8%
3,169
+83.9%
0.00%
Q3 2014$16,000
-93.6%
1,723
-91.9%
0.00%
-100.0%
Q2 2014$249,00021,2200.00%
Other shareholders
RETROPHIN INC shareholders Q2 2019
NameSharesValueWeighting ↓
Consonance Capital Management LP 3,460,323$66,750,0008.95%
EcoR1 Capital, LLC 1,224,384$23,618,0007.42%
Perceptive Advisors 2,579,380$49,756,0003.68%
Broadfin Capital, LLC 2,959,790$57,094,0003.51%
ACUTA CAPITAL PARTNERS, LLC 370,000$7,137,0003.41%
Opaleye Management Inc. 345,000$6,655,0002.78%
TAMRO Capital Partners LLC 440,868$8,504,0002.30%
SENZAR ASSET MANAGEMENT, LLC 1,058,882$20,425,834,0002.27%
Lombard Odier Asset Management (USA) Corp 1,144,720$22,082,0002.14%
Ghost Tree Capital, LLC 200,000$3,858,0001.58%
View complete list of RETROPHIN INC shareholders