A detailed history of Birchview Capital, LP transactions in Castle Biosciences Inc stock. As of the latest transaction made, Birchview Capital, LP holds 88,404 shares of CSTL stock, worth $1.71 Million. This represents 1.59% of its overall portfolio holdings.

Number of Shares
88,404
Previous 78,000 13.34%
Holding current value
$1.71 Million
Previous $2.08 Million 14.87%
% of portfolio
1.59%
Previous 1.77%

Shares

10 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2025

May 15, 2025

BUY
$18.76 - $32.72 $195,179 - $340,418
10,404 Added 13.34%
88,404 $1.77 Million
Q4 2024

Jun 30, 2025

BUY
$26.52 - $34.67 $530,400 - $693,400
20,000 Added 34.48%
78,000 $2.08 Million
Q4 2024

Feb 14, 2025

BUY
$26.52 - $34.67 $530,400 - $693,400
20,000 Added 34.48%
78,000 $2.08 Million
Q3 2024

Jun 30, 2025

BUY
$17.4 - $31.47 $417,599 - $755,280
24,000 Added 70.59%
58,000 $1.65 Million
Q3 2024

Nov 14, 2024

BUY
$17.4 - $31.47 $417,599 - $755,280
24,000 Added 70.59%
58,000 $1.65 Million
Q2 2024

Jun 30, 2025

BUY
$18.84 - $24.94 $376,800 - $498,800
20,000 Added 142.86%
34,000 $740,000
Q2 2024

Aug 13, 2024

BUY
$18.84 - $24.94 $376,800 - $498,800
20,000 Added 142.86%
34,000 $740,000
Q1 2024

Jun 30, 2025

BUY
$18.06 - $25.3 $72,240 - $101,200
4,000 Added 40.0%
14,000 $310,000
Q1 2024

May 14, 2024

BUY
$18.06 - $25.3 $252,839 - $354,200
14,000 New
14,000 $310,000
Q4 2023

Jun 30, 2025

SELL
$12.19 - $22.43 $955,744 - $1.76 Million
-78,404 Reduced 88.69%
10,000 $215,000

Others Institutions Holding CSTL

About CASTLE BIOSCIENCES INC


  • Ticker CSTL
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Diagnostics & Research
  • Shares Outstandng 26,297,000
  • Market Cap $509M
  • 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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