Roundhill Memory ETF · Vanguard S&P 500 ETF
At least 0%
Of the positions in our data, 3 appear in both, making up this share of each fund by weight.
Measured across the 12 positions our data has for DRAM (71% of the fund) and the 502 for VOO (100%). The rest of each fund isn't in our data, and it can only add to the overlap.
| Holding | DRAM | VOO |
|---|---|---|
| SNDK | 4.30% | 0.37% |
| STX | 4.28% | 0.31% |
| WDC | 3.41% | 0.25% |
At least one of these funds does not disclose an expense ratio in our data, so we cannot state the difference.
| DRAM | VOO | |
|---|---|---|
| Issuer | Roundhill Investments | Vanguard |
| Launched | 2026-04-01 | 2010-09-07 |
| Positions in our data | 13 | 502 |
| Domicile | — | United States |
| Exchange | BATS | NYSE ARCA |
| Trading currency | USD | USD |
| ISIN | US77926X3200 | US9229083632 |
| Sector | DRAM | VOO | Difference |
|---|---|---|---|
| Technology | 100.0% | 42.0% | 58.0 |
| Financial Services | 0.0% | 10.9% | -10.9 |
| Communication Services | 0.0% | 9.9% | -9.9 |
| Healthcare | 0.0% | 9.2% | -9.2 |
| Consumer Cyclicals | 0.0% | 8.8% | -8.8 |
| Industrials | 0.0% | 7.6% | -7.6 |
| Consumer Defensive | 0.0% | 4.3% | -4.3 |
| Energy | 0.0% | 3.5% | -3.5 |
Measured on the days both have a price in the last five years: April 2, 2026 to Oct. 20, 2026 (139 trading days).
| DRAM | 71.9% |
|---|---|
| VOO | 17.9% |
Their daily moves correlate at 0.59.
General information, not investment or tax advice. The fund’s factsheet and key information document are the authority on its figures.