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

MYOKARDIA INC's ticker is and the CUSIP is 62857M955. A total of 3 filers reported holding MYOKARDIA INC in Q3 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of MYOKARDIA INC
ValueSharesWeighting
Q3 2020$436,000
-72.1%
3,200
-80.2%
0.00%
-85.7%
Q2 2020$1,565,000
+270.9%
16,200
+80.0%
0.01%
+133.3%
Q1 2020$422,000
-26.7%
9,000
+13.9%
0.00%
-25.0%
Q4 2019$576,000
+93.3%
7,900
+29.5%
0.00%
+33.3%
Q1 2018$298,000
+41.2%
6,100
+22.0%
0.00%
+200.0%
Q4 2017$211,0005,0000.00%
Other shareholders
MYOKARDIA INC shareholders Q3 2020
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 3,200$436,0000.00%
SIMPLEX TRADING, LLC 47$00.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of MYOKARDIA INC shareholders