Castle Biosciences Inc. (CSTL)
NASDAQ: CSTL
· Real-Time Price · USD
20.09
0.27 (1.36%)
At close: Aug 15, 2025, 3:46 PM
20.09
0.00%
After-hours: Aug 15, 2025, 04:04 PM EDT
13F Institute Ownership
Total Institutes of 182 in Castle Biosciences reduced their positions with a decrease of 25 investors compared to the previous quarter. A reduction of 635.41K shares, as total invested capital declined by $190.13M with ownership percentage dropping from 95.21% to 90.43%.
Options Activity
Institutions are holding more Calls Contracts as Puts Contracts, indicating a bullish sentiment.
Put/Call 0.526
0.53
Call Flow 9,500
66%
Put Flow 5,000
34%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Blackrock, Inc. | 10.43% | 2.98M | +2.13% | 59.73M | < 0.01% | May 02, 2025 |
| Vanguard Group Inc | 7.16% | 2.05M | +11.73% | 40.99M | < 0.01% | May 09, 2025 |
| Principal Financial Group Inc | 5.13% | 1.47M | +2.24% | 29.39M | 0.02% | Apr 28, 2025 |
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