Castle Biosciences, Inc. CSTL
Set alert
34.94 USD -2.22 -5.97%
At close · Nov 2
34.94 0.00 0.00%
After hours · Nov 2, 4:00 PM ET
34.46 Day range 37.52
17.72 52-week range 44.28
- YTD
- -10.18%
- 1 year
- +37.02%
- Open
- 37.52
- Prev close
- 37.16
- Mkt cap
- 1.07B
- Vol
- 470.27K
- Avg vol
- 377.09K
- EPS
- -0.64
- P/E
- 0.00
- Div yield
- 0.00%
More statistics
- Low
- 34.46
- High
- 37.52
- Forward P/E
- -37.37
- Beta
- 0.95
- Short ratio
- 5.17
- Inst. own
- 90.36%
- Dividend
- 0.00
- Ex-div date
- Earnings
- Nov 5, 2026
- 50-d avg
- 34.22
- 200-d avg
- 28.53
- 1y target
- 46.70
Held by funds
106 US ETFs and mutual funds hold CSTL · largest positions
Ownership
Held by insiders 2.34%
Held by institutions 90.36%
Float held by institutions 92.53%
Institutions 261
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 10.78% | 3,291,963 | 115.02M | Jun 29, 2026 |
| RTW Investments LP | 9.09% | 2,778,335 | 97.08M | Jun 29, 2026 |
| Principal Financial Group, Inc. | 5.65% | 1,726,648 | 60.33M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 4.01% | 1,226,497 | 42.85M | Jun 29, 2026 |
| Acadian Asset Management. LLC | 3.01% | 918,668 | 32.10M | Jun 29, 2026 |
| Allianz Asset Management GmbH | 2.88% | 879,258 | 30.72M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.79% | 852,704 | 29.79M | Jun 29, 2026 |
| Fidelity Rutland Square TRT II-Strategic Advisers U.S. Total Stock Fd. | 2.60% | 793,438 | 27.72M | Aug 30, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.54% | 776,298 | 27.12M | Sep 29, 2026 |
| Principal Funds, Inc-SmallCap Fund | 2.37% | 725,138 | 25.34M | Jul 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 1.12% | 342,655 | 11.97M | Jun 29, 2026 |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 1.07% | 327,806 | 11.45M | Jul 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| BRADBURY DANIEL M | Director | Conversion of Exercise of derivative security | May 21, 2026 | 35,631 |
| CAPLE KIM | Director | Conversion of Exercise of derivative security | May 21, 2026 | 36,121 |
| COTTON RODNEY | Director | Conversion of Exercise of derivative security | May 21, 2026 | 32,998 |
| GOLDBERG ELLEN | Director | Conversion of Exercise of derivative security | May 21, 2026 | 40,921 |
| HARRISON MILES D | Director | Conversion of Exercise of derivative security | May 21, 2026 | 35,631 |
| JUVENAL TOBIN W | Officer | Sale | Oct 25, 2026 | 45,431 |