CSTL
Castle Biosciences, Inc. NASDAQ Listed Jul 25, 2019$21.12
+4.30%
vs $20.25
Mkt Cap $612.2M
52w Low $14.65
22.8% of range
52w High $43.04
50d MA $21.92
200d MA $28.71
P/E (TTM)
—
EV/EBITDA
—
P/B
1.3x
Debt/Equity
0.1x
ROE
-5.1%
P/FCF
21.6x
RSI (14)
50.30
ATR (14)
$0.87
Beta
1.19
50d MA
$21.92
200d MA
$28.71
Avg Volume
458.0K
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 also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma and myPath Melanoma, a proprietary GEP test to diagnose suspicious pigmented lesions. It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.
505 South Friendswood Drive · Friendswood, TX 77546 · US
| Date | Time | Est | Rptd | Surp | Base | Gap% | D1% | D2% | D3% | D4% | D5% | Guide ▲★ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 6, 2026 | AMC | -0.49 | -0.49 | +0.0% | 24.75 | -8.4% | -22.3% | +3.1% | -4.0% | -2.2% | -2.6% | — |
| Feb 26, 2026 | AMC | -0.23 | -0.08 | +65.2% | 31.88 | -6.3% | -7.2% | -5.3% | -1.5% | +2.2% | -0.9% | — |
| Nov 3, 2025 | AMC | -0.34 | -0.02 | +94.1% | 25.99 | +3.6% | +21.7% | +6.1% | -0.1% | -1.5% | +5.1% | — |
| Aug 4, 2025 | AMC | -0.51 | 0.15 | +129.4% | 15.32 | +29.6% | +32.8% | -2.9% | -0.6% | -1.5% | -1.0% | — |
| May 5, 2025 | AMC | -0.08 | -0.20 | -150.0% | 18.75 | -13.5% | -11.4% | +2.6% | +0.9% | -2.4% | +1.5% | — |
| Feb 27, 2025 | AMC | -0.04 | 0.32 | +900.0% | 25.28 | +2.8% | -14.2% | -1.9% | +4.5% | -4.1% | -3.4% | — |
| Nov 4, 2024 | AMC | -0.06 | 0.08 | +233.3% | 33.64 | +6.5% | -7.4% | +4.8% | +2.0% | -0.1% | +1.5% | — |
| Aug 5, 2024 | AMC | -0.27 | 0.31 | +214.8% | 21.85 | +20.1% | +14.0% | +7.7% | +3.8% | -3.6% | -0.3% | — |
| May 2, 2024 | AMC | -0.37 | -0.09 | +75.7% | 22.84 | +2.9% | +6.5% | +0.3% | -2.5% | -1.1% | +3.7% | — |
| Feb 28, 2024 | AMC | -0.84 | -0.10 | +88.1% | 24.39 | +1.9% | -26.0% | +10.4% | +6.5% | +5.1% | -3.8% | — |
| Nov 2, 2023 | AMC | -0.92 | -0.26 | +71.7% | 16.65 | +8.1% | +8.0% | +0.4% | -0.3% | -0.2% | -4.6% | — |
| Aug 2, 2023 | AMC | -1.01 | -0.70 | +30.7% | 16.79 | +11.2% | +11.8% | -1.4% | -3.3% | -1.0% | -0.2% | — |
| May 3, 2023 | AMC | -0.80 | -1.10 | -37.5% | 22.91 | -4.3% | -3.9% | +1.1% | +1.8% | +0.0% | +2.4% | — |
| Date | Firm | Action | Grade | Target | Base | Open | Gap% | D1% | D2% | D3% | D4% | D5% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 20 | Canaccord Genuity | Maintains | Buy → Buy | — | $25.05 | $24.67 | -1.5% | +0.4% | -2.3% | +2.1% | -5.6% | +3.3% |
| Feb 27 | Baird | Maintains | Outperform → Outperform | — | $31.88 | $29.87 | -6.3% | -7.2% | -5.3% | -1.5% | +2.2% | -0.9% |
| Jan 26 | Guggenheim | Maintains | Buy → Buy | — | $42.24 | $42.25 | +0.0% | +1.9% | -0.5% | -7.8% | -0.9% | +0.6% |
| Jan 12 | Lake Street | Maintains | Buy → Buy | — | $39.34 | $40.80 | +3.7% | +0.8% | -0.1% | +2.9% | -0.0% | -1.8% |
| Jan 5 | Guggenheim | Maintains | Buy → Buy | — | $38.54 | $38.48 | -0.2% | +1.2% | +2.7% | +1.3% | -1.8% | -1.4% |
| Dec 22 | Canaccord Genuity | Maintains | Buy → Buy | — | $39.44 | $40.00 | +1.4% | +4.9% | -2.9% | -0.3% | -1.7% | -0.3% |
| Dec 12 | BTIG | Maintains | Buy → Buy | — | $37.97 | $38.93 | +2.5% | +1.7% | +0.6% | +0.4% | +1.6% | -0.2% |
| Nov 5 | BTIG | Maintains | Buy → Buy | — | $31.63 | $31.56 | -0.2% | +6.1% | -0.1% | -1.5% | +5.1% | +0.7% |
| Nov 4 | Baird | Maintains | Outperform → Outperform | — | $25.99 | $26.93 | +3.6% | +21.7% | +6.1% | -0.1% | -1.5% | +5.1% |
| Sep 9 | Canaccord Genuity | Maintains | Buy → Buy | — | $24.06 | $24.24 | +0.7% | +2.5% | -6.9% | -0.8% | -5.8% | +0.9% |
| May 21 | Scotiabank | Maintains | Sector Outperform → Sector Outperform | — | $16.50 | $16.34 | -1.0% | -2.9% | -0.8% | +1.3% | -1.9% | +2.7% |
| May 6 | Lake Street | Maintains | Buy → Buy | — | $18.75 | $16.21 | -13.5% | -11.4% | +2.6% | +0.9% | -2.4% | +1.5% |
| May 6 | Canaccord Genuity | Maintains | Buy → Buy | — | $18.75 | $16.21 | -13.5% | -11.4% | +2.6% | +0.9% | -2.4% | +1.5% |
| Feb 28 | Baird | Maintains | Outperform → Outperform | — | $25.28 | $26.00 | +2.8% | -14.2% | -1.9% | +4.5% | -4.1% | -3.4% |
| Jan 2 | Stephens & Co. | Maintains | Overweight → Overweight | — | $26.65 | $26.82 | +0.6% | +5.2% | +2.0% | +2.6% | +9.6% | +1.7% |
| Nov 6 | Scotiabank | Maintains | Sector Outperform → Sector Outperform | — | $31.15 | $32.90 | +5.6% | +4.8% | +2.0% | -0.1% | +1.5% | -3.0% |
| Nov 5 | KeyBanc Capital Markets | Maintains | Overweight → Overweight | — | $33.64 | $35.84 | +6.5% | -7.4% | +4.8% | +2.0% | -0.1% | +1.5% |
| Nov 5 | Baird | Maintains | Outperform → Outperform | — | $33.64 | $35.84 | +6.5% | -7.4% | +4.8% | +2.0% | -0.1% | +1.5% |
| Nov 5 | Lake Street | Maintains | Buy → Buy | — | $33.64 | $35.84 | +6.5% | -7.4% | +4.8% | +2.0% | -0.1% | +1.5% |
| Oct 29 | Canaccord Genuity | Maintains | Buy → Buy | — | $32.40 | $32.48 | +0.2% | +4.3% | +2.2% | +0.4% | -4.4% | +1.5% |
| Oct 14 | BTIG | Maintains | Buy → Buy | — | $31.31 | $31.94 | +2.0% | +9.4% | -2.3% | +0.9% | -2.1% | -1.3% |
| Aug 6 | Baird | Maintains | Outperform → Outperform | — | $21.85 | $26.25 | +20.1% | +14.0% | +7.7% | +3.8% | -3.6% | -0.3% |
| Aug 6 | Stephens & Co. | Maintains | Overweight → Overweight | — | $21.85 | $26.25 | +20.1% | +14.0% | +7.7% | +3.8% | -3.6% | -0.3% |
| Jul 5 | Baird | Maintains | Outperform → Outperform | — | $21.25 | $19.13 | -10.0% | -18.1% | +3.2% | -0.6% | -2.1% | +5.8% |
| May 3 | Baird | Maintains | Outperform → Outperform | — | $22.84 | $23.50 | +2.9% | +6.5% | +0.3% | -2.5% | -1.1% | +3.7% |
| Mar 1 | KeyBanc Capital Markets | Maintains | Overweight → Overweight | — | $18.06 | $18.67 | +3.4% | +10.4% | +6.5% | +5.1% | -3.8% | -3.3% |
| Mar 1 | Scotiabank | Maintains | Sector Outperform → Sector Outperform | — | $18.06 | $18.67 | +3.4% | +10.4% | +6.5% | +5.1% | -3.8% | -3.3% |
| Aug 4 | KeyBanc Capital Markets | Maintains | Overweight → Overweight | — | $18.77 | $18.84 | +0.4% | -1.4% | -3.3% | -1.0% | -0.2% | -1.0% |
| Jul 7 | Lake Street | Maintains | Buy → Buy | — | $13.28 | $20.00 | +50.6% | +52.9% | -2.3% | -0.8% | -8.9% | -9.6% |
| Jul 6 | Stephens & Co. | Maintains | Overweight → Overweight | — | $13.70 | $13.39 | -2.3% | -3.1% | +52.9% | -2.3% | -0.8% | -8.9% |
| Jun 15 | BTIG | Maintains | Buy → Buy | — | $13.67 | $13.55 | -0.9% | -2.0% | -1.6% | +0.5% | -1.7% | +1.7% |
| Jun 7 | Scotiabank | Maintains | Sector Outperform → Sector Outperform | — | $14.72 | $15.13 | +2.8% | +1.3% | -3.9% | +2.3% | +0.5% | -1.9% |
| Jun 6 | Canaccord Genuity | Maintains | Buy → Buy | — | $11.66 | $11.84 | +1.5% | +26.2% | +1.3% | -3.9% | +2.3% | +0.5% |
| Jun 5 | Lake Street | Maintains | Buy → Buy | — | $22.73 | $17.70 | -22.1% | -48.7% | +26.2% | +1.3% | -3.9% | +2.3% |
| Jun 5 | SVB Securities | Maintains | Outperform → Outperform | — | $22.73 | $17.70 | -22.1% | -48.7% | +26.2% | +1.3% | -3.9% | +2.3% |
| Jun 5 | Baird | Maintains | Outperform → Outperform | — | $22.73 | $17.70 | -22.1% | -48.7% | +26.2% | +1.3% | -3.9% | +2.3% |
| May 8 | Stephens & Co. | Maintains | Overweight → Overweight | — | $22.25 | $22.04 | -0.9% | +1.8% | +0.0% | +2.4% | -2.2% | +0.8% |
| May 5 | KeyBanc Capital Markets | Maintains | Overweight → Overweight | — | $22.01 | $22.46 | +2.0% | +1.1% | +1.8% | +0.0% | +2.4% | -2.2% |
| May 4 | Stephens & Co. | Maintains | Overweight → Overweight | — | $22.91 | $21.93 | -4.3% | -3.9% | +1.1% | +1.8% | +0.0% | +2.4% |
| May 4 | Baird | Maintains | Outperform → Outperform | — | $22.91 | $21.93 | -4.3% | -3.9% | +1.1% | +1.8% | +0.0% | +2.4% |
| Mar 2 | Stephens & Co. | Maintains | Overweight → Overweight | — | $22.86 | $22.50 | -1.6% | +3.4% | +4.4% | -1.6% | -6.9% | -4.1% |
| Mar 1 | Baird | Maintains | Outperform → Outperform | — | $25.18 | $25.10 | -0.3% | -9.2% | +3.4% | +4.4% | -1.6% | -6.9% |
| Jan 5 | Scotiabank | Maintains | Sector Outperform → Outperform | — | $23.14 | $24.23 | +4.7% | -1.3% | -0.2% | +2.5% | +5.8% | +3.0% |
| Nov 3 | Baird | Maintains | Outperform → Outperform | — | $24.77 | $25.93 | +4.7% | -2.0% | -9.6% | -10.2% | +2.1% | -10.1% |
| Aug 9 | Baird | Maintains | Outperform → Outperform | — | $28.48 | $32.50 | +14.1% | +7.6% | +12.0% | -0.3% | -0.8% | -1.3% |
| Aug 9 | SVB Leerink | Maintains | Market Outperform → Market Outperform | — | $28.48 | $32.50 | +14.1% | +7.6% | +12.0% | -0.3% | -0.8% | -1.3% |
| May 11 | KeyBanc Capital Markets | Maintains | Overweight → Overweight | — | $20.28 | $19.87 | -2.0% | -10.7% | +4.8% | +3.9% | -1.2% | +3.3% |
| May 10 | Baird | Maintains | Outperform → Outperform | — | $19.17 | $19.36 | +1.0% | +5.8% | -10.7% | +4.8% | +3.9% | -1.2% |
| May 10 | SVB Leerink | Maintains | Outperform → Outperform | — | $19.17 | $19.36 | +1.0% | +5.8% | -10.7% | +4.8% | +3.9% | -1.2% |
| Apr 5 | Canaccord Genuity | Maintains | Buy → Buy | — | $45.99 | $45.99 | +0.0% | -16.5% | -5.7% | -3.5% | -6.3% | -5.6% |
| Date | Insider | Title | Type | Shares | Price | Value | Owned After | D1% | D5% |
|---|---|---|---|---|---|---|---|---|---|
| Jun 16, 2026 | Oelschlager Kristen MOff | Chief Operating Officer | Sell | 8,587 | $20.71 | $178K | 30,460 | — | — |
| Jun 15, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 278 | $20.66 | $6K | 12,646 | +4.30% | — |
| Jun 15, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 1,153 | $20.66 | $24K | 35,755 | +4.30% | — |
| Jun 15, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 1,357 | $20.66 | $28K | 42,067 | +4.30% | — |
| Jun 15, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 550 | $20.66 | $11K | 21,479 | +4.30% | — |
| Jun 1, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 278 | $20.86 | $6K | 1,668 | +5.93% | +0.00% |
| Jun 1, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 1,153 | $20.86 | $24K | 36,908 | +5.93% | +0.00% |
| Jun 1, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 1,357 | $20.86 | $28K | 43,424 | +5.93% | +0.00% |
| Jun 1, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 6,214 | $20.86 | $130K | 21,479 | +5.93% | +0.00% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 41 | $22.59 | $926 | 2,224 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 168 | $22.59 | $4K | 39,214 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 198 | $22.59 | $4K | 46,138 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 906 | $22.59 | $20K | 21,479 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 237 | $22.08 | $5K | 2,265 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 985 | $22.08 | $22K | 39,382 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 1,159 | $22.08 | $26K | 46,336 | -2.15% | +0.99% |
| May 7, 2026 | MAETZOLD DEREK JDir/Off | Pres. & Chief Exec. Officer | Sell | 5,308 | $22.08 | $117K | 22,385 | -2.15% | +0.99% |
Institutional (13F) — Top 20
All ↗
| # | Manager | Shares | Value | Chg | Period |
|---|---|---|---|---|---|
| 1 | Principal Financial Group Inc | 1,807,644 | $70M | Added | Dec 2025 |
| 2 | Rtw Investments, Lp | 2,758,335 | $68M | Added | Mar 2026 |
| 3 | Vanguard Capital Management Llc | 1,177,522 | $29M | New | Mar 2026 |
| 4 | Vanguard Portfolio Management Llc | 861,771 | $21M | New | Mar 2026 |
| 5 | Morgan Stanley | 407,154 | $16M | Reduced | Dec 2025 |
| 6 | Connor, Clark & Lunn Investment Management Ltd. | 388,491 | $15M | Added | Dec 2025 |
| 7 | Aigh Capital Management Llc | 590,601 | $14M | Reduced | Mar 2026 |
| 8 | Qube Research & Technologies Ltd | 559,583 | $14M | Added | Mar 2026 |
| 9 | Renaissance Technologies Llc | 532,800 | $13M | Added | Mar 2026 |
| 10 | Nuveen, Llc | 522,127 | $13M | — | Mar 2026 |
| 11 | Acadian Asset Management Llc | 484,441 | $12M | Added | Mar 2026 |
| 12 | Wasatch Advisors Lp | 455,036 | $11M | Reduced | Mar 2026 |
| 13 | Kornitzer Capital Management Inc /ks | 267,733 | $10M | Reduced | Dec 2025 |
| 14 | Advisors Capital Management, Llc | 250,677 | $10M | Reduced | Dec 2025 |
| 15 | Millennium Management | 353,319 | $9M | Added | Mar 2026 |
| 16 | Schroder Investment Management Group | 298,941 | $7M | Reduced | Mar 2026 |
| 17 | Braidwell Lp | 177,183 | $7M | Reduced | Dec 2025 |
| 18 | Northern Trust Corp | 273,101 | $7M | Added | Mar 2026 |
| 19 | Jane Street Group, Llc | 168,646 | $7M | Added | Dec 2025 |
| 20 | Two Sigma Investments, Lp | 248,840 | $6M | Added | Mar 2026 |
Mutual Funds / ETFs (N-PORT) — Top 20
All ↗
Valuation
Market Cap
$612.2M
Enterprise Value
$347.9M
P/E (TTM)
—
Forward P/E
—
PEG Ratio
0.21x
P/B
1.30x
P/S
1.80x
P/FCF
21.61x
EV/EBITDA
—
Shares Out
29.0M
Financials (TTM)
Revenue
$339.9M
Net Income
-$12.8M
EBITDA
-$726K
Free Cash Flow
$28.3M
Op Cash Flow
$64.3M
EPS Basic
$-0.83
EPS Diluted
$-0.44
EPS Forward
$-1.17
Gross Margin
77.1%
Op Margin
-9.8%
Net Margin
-3.8%
Balance Sheet
Total Assets
$578.6M
Total Liab.
$107.7M
Total Equity
$470.9M
Cash
$299.5M
LT Debt
$35.2M
Book Value/Sh
$16.24
Debt/Equity
0.08x
Current Ratio
5.26
Quick Ratio
5.11
Returns & Growth
ROE
-5.1%
ROA
-4.2%
ROIC
-6.9%
Rev Growth YoY
+3.7%
EPS Growth YoY
-225.8%
Price Returns
2W
+11.7%
1M
-13.9%
3M
-28.7%
6M
-47.2%
12M
+32.0%
Technicals
52W High
$43.04
52W Low
$14.65
50d MA
$21.92
200d MA
$28.71
RSI (14)
50.30
ATR (14)
$0.87
Beta
1.19
Avg Volume
458K
Dividends
Div Rate
$0.00
Div Yield
—
Frequency
—
Ex-Div Date
—
Analyst Price Targets
Consensus
$47.80
High
$52.00
Low
$40.00
Median
$50.00
Data updated apr 25, 2026 3:35am
· Source: financialmodelingprep.com