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

CERECOR INC's ticker is and the CUSIP is 15671L959. A total of 3 filers reported holding CERECOR INC in Q2 2021. 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 CERECOR INC
ValueSharesWeighting
Q2 2021$16,000
+220.0%
4,800
+182.4%
0.00%
Q1 2021$5,0001,7000.00%
Other shareholders
CERECOR INC shareholders Q2 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 4,800$16,0000.00%
SIMPLEX TRADING, LLC 1,000$3,0000.00%
View complete list of CERECOR INC shareholders