GROUP ONE TRADING, L.P. - MIMECAST LTD ownership

MIMECAST LTD's ticker is and the CUSIP is G14838959. A total of 3 filers reported holding MIMECAST LTD in Q4 2018. 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 MIMECAST LTD
ValueSharesWeighting
Q1 2022$32,000
+100.0%
400
+100.0%
0.00%
Q4 2021$16,000
-95.7%
200
-96.6%
0.00%
Q3 2021$369,000
+2206.2%
5,800
+1833.3%
0.00%
Q2 2021$16,000
-77.8%
300
-83.3%
0.00%
Q1 2021$72,000
-77.3%
1,800
-79.8%
0.00%
-100.0%
Q3 2019$317,000
-47.8%
8,900
-31.5%
0.00%
-40.0%
Q2 2019$607,000
-55.5%
13,000
-54.9%
0.01%
-66.7%
Q1 2019$1,364,000
+356.2%
28,800
+223.6%
0.02%
+400.0%
Q4 2018$299,000
-37.3%
8,900
-21.9%
0.00%
-25.0%
Q3 2018$477,000
+363.1%
11,400
+356.0%
0.00%
+300.0%
Q2 2018$103,000
+80.7%
2,500
+25.0%
0.00%
Q4 2017$57,0000.0%2,0000.0%0.00%
-100.0%
Q3 2017$57,000
-77.8%
2,000
-79.2%
0.00%
-66.7%
Q2 2017$257,000
+22.4%
9,600
+2.1%
0.00%
+50.0%
Q1 2017$210,0009,4000.00%
Other shareholders
MIMECAST LTD shareholders Q4 2018
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 8,900$299,0000.00%
SIMPLEX TRADING, LLC 4$13,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of MIMECAST LTD shareholders