CSTL NASDAQ
Castle Biosciences, Inc.
1W: +8.8%
1M: -18.2%
3M: -29.7%
YTD: -46.7%
1Y: +24.5%
3Y: -9.4%
5Y: -62.8%
$20.15
-0.39 (-1.90%)
Weekly Expected Move ±12.7%
$14
$17
$19
$22
$24
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ESG
Institutions
ETF Exposure
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Supply Chain
🏦 Institutional Activity
Latest: Q1 2026221
Institutions Holding
+4 vs prior
90.5%
Ownership
-80.42%
26
New
62
Increased
111
Reduced
56
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-06 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 278 | $25.03 | $7K | Filing |
| 2026-04-06 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 1,153 | $25.03 | $29K | Filing |
| 2026-04-06 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 1,357 | $25.03 | $34K | Filing |
| 2026-04-06 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 6,214 | $25.03 | $156K | Filing |
| 2026-03-26 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 278 | $25.55 | $7K | Filing |
| 2026-03-26 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 1,153 | $25.55 | $29K | Filing |
| 2026-03-26 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 1,357 | $25.55 | $35K | Filing |
| 2026-03-26 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 550 | $25.55 | $14K | Filing |
| 2026-03-18 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 650 | $25.39 | $17K | Filing |
| 2026-03-17 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 18,650 | $25.93 | $484K | Filing |
| 2026-03-12 | Juvenal Tobin W | officer: chief commercial officer | S-Sale | 20,863 | $25.24 | $527K | Filing |
| 2026-03-12 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 23,179 | $25.28 | $586K | Filing |
| 2026-03-11 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 279 | $26.11 | $7K | Filing |
| 2026-03-11 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 282 | $26.11 | $7K | Filing |
| 2026-03-11 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 1,160 | $26.11 | $30K | Filing |
| 2026-03-11 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 1,357 | $26.11 | $35K | Filing |
| 2026-03-11 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | S-Sale | 17,310 | $26.11 | $452K | Filing |
| 2026-03-04 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | M-Option Exercise | 59,097 | $— | $0 | Filing |
| 2026-03-04 | Juvenal Tobin W | officer: chief commercial officer | F-Tax Withholding | 10,399 | $28.17 | $293K | Filing |
| 2026-03-04 | Juvenal Tobin W | officer: chief commercial officer | M-Option Exercise | 25,771 | $— | $0 | Filing |
| 2026-03-04 | Oelschlager Kristen M | officer: chief operating officer | F-Tax Withholding | 6,792 | $28.17 | $191K | Filing |
| 2026-03-04 | Oelschlager Kristen M | officer: chief operating officer | M-Option Exercise | 25,771 | $— | $0 | Filing |
| 2026-03-04 | MAETZOLD DEREK J | officer: pres. & chief exec. officer | F-Tax Withholding | 17,931 | $28.17 | $505K | Filing |
| 2026-03-04 | Stokes Frank | officer: chief financial officer | F-Tax Withholding | 10,732 | $28.17 | $302K | Filing |
| 2026-03-04 | Stokes Frank | officer: chief financial officer | M-Option Exercise | 24,146 | $— | $0 | Filing |
🏛️ Congressional Trades
3 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| 2022-03-15 | Josh Gottheimer | House | Sell | $1,001 - $15,000 | Filing |
| 2020-12-23 | Gilbert Cisneros | House | Buy | $1,001 - $15,000 | Filing |
| 2020-12-21 | Josh Gottheimer | House | Buy | $1,001 - $15,000 | Filing |
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,982,946 | $73M | -122,300 | 2026-03-31 | Filing |
| RTW INVESTMENTS, LP | 2,758,335 | $68M | +643,098 | 2026-03-31 | Filing |
| PRINCIPAL FINANCIAL GROUP INC | 1,769,877 | $43M | -37,767 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,177,522 | $29M | +1,177,522 | 2026-03-31 | Filing |
| DIMENSIONAL FUND ADVISORS LP | 1,039,761 | $26M | -104,038 | 2026-03-31 | Filing |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, | 940,685 | $23M | -118,040 | 2026-03-31 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 861,771 | $21M | +861,771 | 2026-03-31 | Filing |
| STATE STREET CORP | 769,079 | $19M | +32,625 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 728,100 | $18M | +13,187 | 2026-03-31 | Filing |
| AIGH Capital Management LLC | 590,601 | $14M | -34,118 | 2026-03-31 | Filing |
| Qube Research & Technologies Ltd | 559,583 | $14M | +324,065 | 2026-03-31 | Filing |
| PALISADE CAPITAL MANAGEMENT, LP | 535,884 | $13M | -31,893 | 2026-03-31 | Filing |
| RENAISSANCE TECHNOLOGIES LLC | 532,800 | $13M | +39,700 | 2026-03-31 | Filing |
| Nuveen, LLC | 522,127 | $13M | -2,554 | 2026-03-31 | Filing |
| WASATCH ADVISORS LP | 455,036 | $11M | -82,205 | 2026-03-31 | Filing |
| EVENTIDE ASSET MANAGEMENT, LLC | 386,425 | $9M | +81,425 | 2026-03-31 | Filing |
| GOLDMAN SACHS GROUP INC | 341,171 | $8M | +53,936 | 2026-03-31 | Filing |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 298,941 | $7M | -193,220 | 2026-03-31 | Filing |
| NORTHERN TRUST CORP | 273,101 | $7M | +10,858 | 2026-03-31 | Filing |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 268,535 | $7M | +63,533 | 2026-03-31 | Filing |