CASTLE BIOSCIENCES INC - Common Stock (CSTL)

Historical Holders from Q3 2019 to Q3 2025

Symbol
CSTL on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
28.9M
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
26.5M
Holdings value
$604M
% of all portfolios
0.001%
Grand Portfolio weight change
+0%
Number of holders
170
Number of buys
94
Number of sells
-68
Average Value change %
+0%
Average buys %
+0.001%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of CASTLE BIOSCIENCES INC - Common Stock (CSTL)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 8.2% $47M 2.34M BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 6.54% $36.9M 1.83M The Vanguard Group 31 Dec 2024
Portolan Capital Management, LLC 5.65% $32.4M 1.61M Portolan Capital Management, LLC 07 Apr 2025
DIMENSIONAL FUND ADVISORS LP 5.1% $33.6M 1.47M Dimensional Fund Advisors LP 30 Sep 2025
WASATCH ADVISORS LP 3.5% $20.1M 998K WASATCH ADVISORS LP 31 Mar 2025

Institutional Holders of CASTLE BIOSCIENCES INC - Common Stock (CSTL)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 26.5M $604M +$705K $22.77 170
2025 Q2 26.5M $542M +$16.4M $20.42 151
2025 Q1 25.8M $516M -$22.6M $20.02 180
2024 Q4 26.5M $706M +$8.99M $26.65 197
2024 Q3 25.8M $737M +$15.7M $28.52 185
2024 Q2 25.2M $549M +$5.25M $21.77 158
2024 Q1 25M $553M +$24.7M $22.15 148
2023 Q4 23.9M $515M +$17.9M $21.58 150
2023 Q3 23.2M $391M +$7.78M $16.89 133
2023 Q2 22.8M $313M -$3.7M $13.72 128
2023 Q1 22.1M $502M +$5.57M $22.72 148
2022 Q4 22.3M $524M +$5.72M $23.54 152
2022 Q3 21.9M $571M -$14.8M $26.08 152
2022 Q2 22.6M $495M -$115M $21.95 141
2022 Q1 22.8M $1.02B +$62.7M $44.86 153
2021 Q4 21.4M $918M -$59.9M $42.87 153
2021 Q3 21M $1.4B +$40.6M $66.50 182
2021 Q2 20.8M $1.52B -$4.48M $73.33 176
2021 Q1 21.3M $1.46B +$90.5M $68.46 173
2020 Q4 19.1M $1.28B +$377M $67.15 160
2020 Q3 13.4M $689M +$88.1M $51.45 144
2020 Q2 11.7M $443M +$169M $37.69 125
2020 Q1 7.36M $219M +$66.3M $29.81 88
2019 Q4 5.11M $176M +$15.9M $34.37 66
2019 Q3 4.87M $88.1M +$69.4M $18.09 56