Granahan Investment Management - CASTLE BIOSCIENCES INC ownership

CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 166 filers reported holding CASTLE BIOSCIENCES INC in Q4 2020. The put-call ratio across all filers is 0.52 and the average weighting 0.2%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of CASTLE BIOSCIENCES INC
ValueSharesWeighting
Q3 2023$42,016,797
+21.1%
2,487,673
-1.7%
1.50%
+40.2%
Q2 2023$34,703,793
+27.3%
2,529,431
+110.8%
1.07%
+28.7%
Q1 2023$27,265,113
+10.9%
1,200,049
+14.9%
0.83%
+10.4%
Q4 2022$24,583,481
+23.7%
1,044,328
+37.0%
0.75%
+15.9%
Q3 2022$19,879,000
-0.1%
762,217
-15.9%
0.65%
-4.6%
Q2 2022$19,903,000
-44.1%
906,764
+14.2%
0.68%
-23.1%
Q1 2022$35,606,000
+12.6%
793,715
+7.6%
0.88%
+35.8%
Q4 2021$31,611,000
+5.4%
737,374
+63.5%
0.65%
+14.4%
Q3 2021$29,990,000
-8.0%
450,980
+1.4%
0.57%
-6.3%
Q2 2021$32,605,000
+67.6%
444,629
+56.4%
0.61%
+47.0%
Q1 2021$19,458,000
+27.7%
284,221
+25.2%
0.41%
+20.8%
Q4 2020$15,242,000
-19.5%
226,988
-38.3%
0.34%
-46.7%
Q3 2020$18,928,000
+82.2%
367,885
+33.5%
0.64%
+70.7%
Q2 2020$10,388,000
+755.7%
275,630
+576.7%
0.38%
+478.5%
Q1 2020$1,214,000
-33.2%
40,730
-23.0%
0.06%
-22.6%
Q4 2019$1,817,00052,8630.08%
Other shareholders
CASTLE BIOSCIENCES INC shareholders Q4 2020
NameSharesValueWeighting ↓
ABG Innovation Capital Partners III GP Ltd 33,626$567,94377.21%
Millrace Asset Group, Inc. 77,315$1,3061.61%
Granahan Investment Management 2,487,673$42,016,7971.50%
Parkman Healthcare Partners LLC 224,592$3,793,3590.70%
PERKINS CAPITAL MANAGEMENT INC 29,160$4930.49%
Capital Impact Advisors, LLC 16,554$279,5970.47%
Soleus Capital Management, L.P. 283,500$4,788,3150.44%
Portolan Capital Management 253,028$4,273,6430.40%
Numerai GP LLC 68,163$1,151,2730.38%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 946,620$15,988,4120.35%
View complete list of CASTLE BIOSCIENCES INC shareholders