Which ETFs hold Castle Biosciences Inc COM?
CSTL is held by 21 of the 504 ETFs we cover. The heaviest allocation is IBB at 0.1%; among the largest funds, VTI holds 0.0% and ITOT 0.0%. The median weight across all funds holding it is 0.0%. Castle Biosciences Inc COM is classified Health Care.
- Covered ETFs Holding It
- 21
- Heaviest Allocation
- 0.07%in IBB
- Median Weight
- 0.01%across funds that hold it
- Sector
- Health Care
Funds Holding CSTL(21)
| ETF | |||||||
|---|---|---|---|---|---|---|---|
| IBBiShares Biotechnology ETF | 0.07% | 0.44% | $9.3B | 0.21% | +17.3% | +51.0% | +3.1% |
| IWNiShares Russell 2000 Value ETF | 0.05% | 0.24% | $14.7B | 1.41% | +25.3% | +42.6% | +9.0% |
| IWMiShares Russell 2000 ETF | 0.02% | 0.19% | $82.2B | 0.88% | +23.0% | +38.6% | +7.5% |
| VTWOVanguard Russell 2000 Index Fund | 0.02% | 0.06% | $17.4B | 1.07% | +23.1% | +38.8% | +7.7% |
| DFASDimensional U.S. Small Cap ETF | 0.02% | 0.26% | $15.3B | 0.95% | +20.5% | +31.3% | +9.1% |
| DFATDimensional U.S. Targeted Value ETF | 0.01% | 0.28% | $14.5B | 1.33% | +21.7% | +34.5% | +11.7% |
| SCHASchwab U.S. Small-Cap ETF | 0.01% | 0.04% | $23.3B | 1.02% | +22.8% | +36.7% | +7.9% |
| FHLCFidelity MSCI Health Care Index ETF | 0.01% | 0.08% | $3.3B | 1.26% | +9.3% | +33.0% | +5.3% |
| DFSVDimensional US Small Cap Value ETF | 0.01% | 0.30% | $8.2B | 1.33% | +23.4% | +37.6% | — |
| VXFVanguard Extended Market Index Fund | 0.01% | 0.05% | $32.2B | 0.99% | +18.9% | +26.9% | +6.9% |
| VHTVanguard Health Care Index Fund | 0.01% | 0.09% | $18.3B | 1.51% | +9.2% | +32.8% | +5.4% |
| DFACDimensional U.S. Core Equity 2 ETF | 0.00% | 0.17% | $47.9B | 0.88% | +16.6% | +26.8% | +12.3% |
| DFAUDimensional US Core Equity Market ETF | 0.00% | 0.12% | $12.4B | 0.88% | +14.9% | +24.8% | +12.9% |
| DFUSDimensional U.S. Equity Market ETF | 0.00% | 0.09% | $20.9B | 0.83% | +14.5% | +24.4% | +13.1% |
| ITOTiShares Core S&P Total U.S. Stock Market ETF | 0.00% | 0.03% | $97.6B | 0.97% | +14.6% | +24.1% | +12.3% |
| VTIVanguard Total Stock Market Index Fund | 0.00% | 0.03% | $696.4B | 1.02% | +14.6% | +24.2% | +12.3% |
| DFUVDimensional U.S. Marketwide Value ETF | 0.00% | 0.21% | $15.4B | 1.27% | +23.0% | +36.8% | — |
| SCHBSchwab U.S. Broad Market ETF | 0.00% | 0.03% | $44.7B | 1.00% | +14.6% | +24.0% | +12.4% |
| IWViShares Russell 3000 ETF | 0.00% | 0.20% | $20.4B | 0.85% | +14.3% | +23.8% | +12.2% |
| VTHRVanguard Russell 3000 Index Fund | 0.00% | 0.06% | $4.8B | 0.99% | +14.5% | +24.0% | +12.4% |
| AVUSAvantis U.S. Equity ETF | 0.00% | 0.15% | $13.9B | 0.90% | +17.9% | +28.8% | +13.1% |
Expense = net expense ratio from the fund's latest SEC prospectus filing. YTD/1Y/5Y are trailing total returns including dividends (5Y annualized, as of 2026-08-07). Past performance does not predict future results. Sort by any column.
Frequently Asked Questions
Which ETF has the most CSTL exposure?
IBB has the heaviest CSTL allocation of the ETFs we cover, at 0.07% of its portfolio, based on the fund's latest SEC-reported holdings.
How many ETFs hold CSTL?
21 of the 504 ETFs we cover hold Castle Biosciences Inc COM (CSTL). The median weight across those funds is 0.01%.
What is the cheapest ETF that holds CSTL?
ITOT has the lowest expense ratio among covered ETFs holding CSTL, at 0.03% per year.
What is the largest ETF that holds CSTL?
VTI (Vanguard Total Stock Market Index Fund) is the largest covered ETF holding CSTL, with $696.4B in assets and a 0.00% position.
Keep Exploring
Look up another stock or compare two of these ETFs to see how much they overlap beyond CSTL.