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 425,220 shares of CSTL stock, worth $11.7 Million. This represents 0.51% of its overall portfolio holdings.

Number of Shares
425,220
Previous 1,058,941 59.84%
Holding current value
$11.7 Million
Previous $23.1 Million 47.4%
% of portfolio
0.51%
Previous 0.97%

Shares

20 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$17.4 - $31.47 $11 Million - $19.9 Million
-633,721 Reduced 59.84%
425,220 $12.1 Million
Q2 2024

Aug 14, 2024

SELL
$18.84 - $24.94 $10.7 Million - $14.2 Million
-568,283 Reduced 34.92%
1,058,941 $23.1 Million
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 $724M
  • 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
Track This Portfolio

Track Granahan Investment Management, LLC Portfolio

Follow Granahan Investment Management, LLC and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Granahan Investment Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Granahan Investment Management, LLC with notifications on news.