SIMPLEX TRADING, LLC - CERUS CORP ownership

CERUS CORP's ticker is CERS and the CUSIP is 157085101. A total of 165 filers reported holding CERUS CORP in Q1 2023. The put-call ratio across all filers is 0.66 and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of CERUS CORP
ValueSharesWeighting
Q3 2023$6
-75.0%
3,785
-62.6%
0.00%
Q2 2023$24
+26.3%
10,122
+56.1%
0.00%
Q1 2023$19
-83.5%
6,484
-79.5%
0.00%
Q4 2022$115
-99.9%
31,624
+11.7%
0.00%
Q3 2022$101,000
+90.6%
28,312
+180.5%
0.00%
Q2 2022$53,000
+140.9%
10,095
+151.2%
0.00%
Q1 2022$22,000
-82.1%
4,018
-77.8%
0.00%
Q4 2021$123,000
-24.5%
18,131
-33.5%
0.00%
Q3 2021$163,000
+1.2%
27,2710.0%0.00%
Q2 2021$161,000
+11.0%
27,271
+12.5%
0.00%
Q1 2021$145,000
+7.4%
24,251
+23.5%
0.00%
Q4 2020$135,000
-22.9%
19,629
-30.2%
0.00%
Q3 2020$175,000
+69.9%
28,114
+79.2%
0.00%
Q2 2020$103,000
-66.2%
15,685
-76.1%
0.00%
-100.0%
Q1 2020$305,000
+1226.1%
65,635
+1080.9%
0.00%
Q4 2019$23,000
-43.9%
5,558
-24.4%
0.00%
Q2 2019$41,000
+2.5%
7,353
+30.2%
0.00%
Q3 2018$40,000
+11.1%
5,649
-60.7%
0.00%
-100.0%
Q2 2017$36,000
+125.0%
14,358
+452.9%
0.00%
+100.0%
Q2 2016$16,000
-66.0%
2,597
-75.2%
0.00%
-66.7%
Q3 2015$47,000
-32.9%
10,468
-23.1%
0.00%
-50.0%
Q2 2015$70,000
+250.0%
13,620
+171.7%
0.01%
+200.0%
Q1 2015$20,0005,0120.00%
Other shareholders
CERUS CORP shareholders Q1 2023
NameSharesValueWeighting ↓
Lesa Sroufe & Co 310,138$2,146,0002.56%
SALZHAUER MICHAEL 302,131$2,091,0001.49%
Millrace Asset Group, Inc. 205,568$1,423,0000.99%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 73,200$507,0000.80%
FIRST MIDWEST BANK TRUST DIVISION 715,990$4,954,0000.72%
PARADIGM CAPITAL MANAGEMENT INC/NY 1,706,800$11,811,0000.71%
ARK Investment Management 29,572,265$204,640,0000.54%
Pier Capital, LLC 712,389$4,930,0000.52%
Hood River Capital Management LLC 2,234,280$15,461,0000.51%
Nikko Asset Management Americas, Inc. 11,103,210$76,834,0000.44%
View complete list of CERUS CORP shareholders