SIMPLEX TRADING, LLC - CASTLE BIOSCIENCES INC ownership

CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 147 filers reported holding CASTLE BIOSCIENCES INC in Q1 2023. The put-call ratio across all filers is 0.01 and the average weighting 0.7%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of CASTLE BIOSCIENCES INC
ValueSharesWeighting
Q3 2023$4
-94.4%
260
-91.7%
0.00%
Q1 2023$71
-100.0%
3,138
-65.0%
0.00%
Q3 2022$233,000
+1065.0%
8,968
+848.0%
0.00%
Q2 2022$20,000
+185.7%
946
+434.5%
0.00%
Q4 2021$7,000
-93.9%
177
-89.1%
0.00%
Q3 2021$115,000
-2.5%
1,6200.0%0.00%
Q2 2021$118,000
+1585.7%
1,620
+1073.9%
0.00%
Q3 2020$7,000
+40.0%
138
-6.8%
0.00%
Q2 2020$5,0001480.00%
Other shareholders
CASTLE BIOSCIENCES INC shareholders Q1 2023
NameSharesValueWeighting ↓
Pembroke Management, LTD 450,894$33,064,0002.59%
Monarch Partners Asset Management LLC 153,887$11,285,0001.62%
NEXT CENTURY GROWTH INVESTORS LLC 281,795$20,664,0001.61%
Mesirow Financial Investment Management, Inc. 8,183$600,0001.53%
PERKINS CAPITAL MANAGEMENT INC 33,150$2,431,0001.38%
OBERWEIS ASSET MANAGEMENT INC/ 74,060$5,431,0001.19%
TRUSTCORE FINANCIAL SERVICES, LLC 152,474$11,181,0001.18%
Altium Capital Management LP 69,000$5,060,0001.17%
Redwood Investments, LLC 186,491$13,675,0001.10%
Lisanti Capital Growth, LLC 107,650$7,894,0000.98%
View complete list of CASTLE BIOSCIENCES INC shareholders