SIMPLEX TRADING, LLC - DEXCOM INC ownership

DEXCOM INC's ticker is and the CUSIP is 252131957. A total of 3 filers reported holding DEXCOM INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of DEXCOM INC
ValueSharesWeighting
Q3 2023$38,784
+46.8%
415,700
+102.2%
0.03%
+40.9%
Q2 2023$26,421
-18.3%
205,600
-26.2%
0.02%
-21.4%
Q1 2023$32,356
+28.7%
278,500
+25.5%
0.03%
+3.7%
Q4 2022$25,139
-99.8%
222,000
+17.0%
0.03%
+58.8%
Q3 2022$15,286,000
+74.1%
189,800
+61.1%
0.02%
+88.9%
Q2 2022$8,779,000
-38.7%
117,800
+320.7%
0.01%
-30.8%
Q1 2022$14,324,000
-7.4%
28,000
-2.8%
0.01%
-18.8%
Q4 2021$15,464,000
-16.9%
28,800
-33.9%
0.02%
-5.9%
Q3 2021$18,610,000
-2.1%
43,600
-2.0%
0.02%
-5.6%
Q2 2021$19,001,000
+226.4%
44,500
+27369.1%
0.02%
+80.0%
Q1 2021$5,822,000
-59.8%
162
-58.7%
0.01%
-47.4%
Q4 2020$14,493,000
-19.2%
392
-9.9%
0.02%
-20.8%
Q3 2020$17,932,000
+6.6%
435
+4.8%
0.02%
-11.1%
Q2 2020$16,824,000
+434.1%
415
+254.7%
0.03%
+350.0%
Q1 2020$3,150,000
-69.6%
117
-75.3%
0.01%
-73.9%
Q4 2019$10,346,000
+261.1%
473
+146.4%
0.02%
+187.5%
Q3 2019$2,865,000
+67.7%
192
+68.4%
0.01%
+60.0%
Q2 2019$1,708,000
-35.1%
114
-48.4%
0.01%
-28.6%
Q1 2019$2,632,000
+121.9%
221
+123.2%
0.01%
+133.3%
Q4 2018$1,186,000
-79.3%
99
-75.2%
0.00%
-83.3%
Q3 2018$5,721,000
+888.1%
400
+555.7%
0.02%
+800.0%
Q2 2018$579,000
+28850.0%
61
+110.3%
0.00%
Q1 2018$2,000
-94.3%
29
-73.9%
0.00%
-100.0%
Q4 2017$35,000
-7.9%
111
-30.6%
0.00%0.0%
Q3 2017$38,000
-24.0%
160
-40.1%
0.00%0.0%
Q2 2017$50,000
+138.1%
267
+93.5%
0.00%
+100.0%
Q1 2017$21,000
+61.5%
138
+590.0%
0.00%0.0%
Q4 2016$13,000
-45.8%
20
-57.4%
0.00%
-50.0%
Q3 2016$24,000
+1100.0%
47
+147.4%
0.00%
Q2 2016$2,000
-96.4%
19
-40.6%
0.00%
-100.0%
Q1 2016$55,000
+5400.0%
32
+700.0%
0.00%
Q4 2015$1,000
-99.3%
4
-98.6%
0.00%
-100.0%
Q3 2015$138,000
+4500.0%
294
+345.5%
0.01%
Q2 2015$3,000
-83.3%
66
-34.7%
0.00%
-100.0%
Q1 2015$18,000
+28.6%
101
+159.0%
0.00%0.0%
Q4 2014$14,000390.00%
Other shareholders
DEXCOM INC shareholders Q3 2015
NameSharesValueWeighting ↓
PURA VIDA INVESTMENTS, LLC 57,200$5,336,7601.01%
Maven Securities LTD 31,200$2,910,9600.03%
SIMPLEX TRADING, LLC 415,700$38,7840.03%
HRT FINANCIAL LP 16,000$1,4920.02%
IMC-Chicago, LLC 159,100$14,844,0300.01%
GROUP ONE TRADING, L.P. 37,000$3,452,1000.01%
JANE STREET GROUP, LLC 254,300$23,726,1900.01%
Allianz Asset Management GmbH 31,500$2,938,9500.01%
SG Americas Securities, LLC 25,000$3650.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of DEXCOM INC shareholders