A detailed history of Granahan Investment Management, LLC transactions in Castle Biosciences Inc stock. As of the latest transaction made, Granahan Investment Management, LLC holds 1,627,224 shares of CSTL stock, worth $35.4 Million. This represents 1.3% of its overall portfolio holdings.

Number of Shares
1,627,224
Previous 2,166,471 24.89%
Holding current value
$35.4 Million
Previous $46.8 Million 22.91%
% of portfolio
1.3%
Previous 1.56%

Shares

18 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024

SELL
$18.06 - $25.3 $9.74 Million - $13.6 Million
-539,247 Reduced 24.89%
1,627,224 $36 Million
Q4 2023

Feb 14, 2024

SELL
$12.19 - $22.43 $3.92 Million - $7.2 Million
-321,202 Reduced 12.91%
2,166,471 $46.8 Million
Q3 2023

Nov 14, 2023

SELL
$13.28 - $20.3 $554,546 - $847,687
-41,758 Reduced 1.65%
2,487,673 $42 Million
Q2 2023

Aug 14, 2023

BUY
$11.66 - $26.0 $15.5 Million - $34.6 Million
1,329,382 Added 110.78%
2,529,431 $34.7 Million
Q1 2023

May 15, 2023

BUY
$19.47 - $28.49 $3.03 Million - $4.44 Million
155,721 Added 14.91%
1,200,049 $27.3 Million
Q4 2022

Feb 14, 2023

BUY
$18.08 - $30.0 $5.1 Million - $8.46 Million
282,111 Added 37.01%
1,044,328 $24.6 Million
Q3 2022

Nov 14, 2022

SELL
$22.51 - $34.32 $3.25 Million - $4.96 Million
-144,547 Reduced 15.94%
762,217 $19.9 Million
Q2 2022

Aug 15, 2022

BUY
$16.0 - $45.99 $1.81 Million - $5.2 Million
113,049 Added 14.24%
906,764 $19.9 Million
Q1 2022

May 16, 2022

BUY
$33.17 - $46.98 $1.87 Million - $2.65 Million
56,341 Added 7.64%
793,715 $35.6 Million
Q4 2021

Feb 14, 2022

BUY
$39.06 - $67.58 $11.2 Million - $19.4 Million
286,394 Added 63.5%
737,374 $31.6 Million
Q3 2021

Nov 15, 2021

BUY
$60.13 - $77.6 $381,885 - $492,837
6,351 Added 1.43%
450,980 $30 Million
Q2 2021

Aug 16, 2021

BUY
$50.07 - $76.78 $8.03 Million - $12.3 Million
160,408 Added 56.44%
444,629 $32.6 Million
Q1 2021

May 17, 2021

BUY
$58.92 - $97.33 $3.37 Million - $5.57 Million
57,233 Added 25.21%
284,221 $19.5 Million
Q4 2020

Feb 12, 2021

SELL
$43.6 - $73.05 $6.14 Million - $10.3 Million
-140,897 Reduced 38.3%
226,988 $15.2 Million
Q3 2020

Nov 12, 2020

BUY
$38.47 - $52.03 $3.55 Million - $4.8 Million
92,255 Added 33.47%
367,885 $18.9 Million
Q2 2020

Aug 14, 2020

BUY
$27.28 - $43.01 $6.41 Million - $10.1 Million
234,900 Added 576.72%
275,630 $10.4 Million
Q1 2020

May 12, 2020

SELL
$23.08 - $35.53 $280,029 - $431,085
-12,133 Reduced 22.95%
40,730 $1.21 Million
Q4 2019

Feb 14, 2020

BUY
$15.74 - $35.04 $832,063 - $1.85 Million
52,863 New
52,863 $1.82 Million

Others Institutions Holding CSTL

About CASTLE BIOSCIENCES INC


  • Ticker CSTL
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Diagnostics & Research
  • Shares Outstandng 26,297,000
  • Market Cap $572M
  • Description
  • Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company als...
More about CSTL
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