SIMPLEX TRADING, LLC - CERUS CORP ownership

CERUS CORP's ticker is and the CUSIP is 157085901. A total of 3 filers reported holding CERUS CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of CERUS CORP
ValueSharesWeighting
Q3 2023$9
-40.0%
5,700
-9.5%
0.00%
Q2 2023$15
-78.6%
6,300
-73.4%
0.00%
Q1 2023$70
+20.7%
23,700
+48.1%
0.00%
Q4 2022$58
-99.9%
16,000
-23.4%
0.00%
Q3 2022$75,000
-37.5%
20,900
-7.9%
0.00%
Q2 2022$120,000
+20.0%
22,700
+24.0%
0.00%
Q1 2022$100,000
-28.1%
18,300
-10.7%
0.00%
Q4 2021$139,000
+189.6%
20,500
+153.1%
0.00%
Q3 2021$48,000
+2.1%
8,1000.0%0.00%
Q2 2021$47,000
-49.5%
8,100
+5125.8%
0.00%
Q1 2021$93,000
+389.5%
155
+453.6%
0.00%
Q4 2020$19,000
-73.6%
28
-75.9%
0.00%
Q3 2020$72,000
-70.7%
116
-69.0%
0.00%
Q2 2020$246,000
+74.5%
374
+22.6%
0.00%
Q1 2020$141,000
+24.8%
305
+13.4%
0.00%
Q4 2019$113,000
+85.2%
269
+126.1%
0.00%
Q3 2019$61,000
-14.1%
119
-6.3%
0.00%
Q2 2019$71,000
-80.5%
127
-78.3%
0.00%
-100.0%
Q1 2019$364,000
+10.6%
585
-9.9%
0.00%0.0%
Q4 2018$329,000
+81.8%
649
+157.5%
0.00%0.0%
Q3 2018$181,000
-63.0%
252
-65.7%
0.00%
-50.0%
Q2 2018$489,000
+1477.4%
734
-16.0%
0.00%
+100.0%
Q1 2018$31,000
+244.4%
874
+275.1%
0.00%
Q4 2017$9,000
+125.0%
2330.0%0.00%
Q3 2017$4,000233
+4.0%
0.00%
Q2 2017$0
-100.0%
224
-62.9%
0.00%
Q1 2017$9,000
+80.0%
603
+23.8%
0.00%
Q4 2016$5,0000.0%487
+69.7%
0.00%
Q3 2016$5,000
-75.0%
287
+12.1%
0.00%
-100.0%
Q2 2016$20,000
-70.1%
256
-74.4%
0.00%
-80.0%
Q1 2016$67,000
+318.8%
999
+640.0%
0.01%
+400.0%
Q4 2015$16,000135
+440.0%
0.00%
Q3 2015$0
-100.0%
25
+4.2%
0.00%
Q2 2015$1,000
-50.0%
24
-74.5%
0.00%
Q1 2015$2,000
-97.5%
94
-61.6%
0.00%
-100.0%
Q4 2014$81,0002450.01%
Other shareholders
CERUS CORP shareholders Q4 2020
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 52,800$156,8160.00%
SIMPLEX TRADING, LLC 23,700$700.00%
JANE STREET GROUP, LLC 12,200$36,2340.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of CERUS CORP shareholders