Data as of .
DRAM vs PPA: which is really different?
PPA holds 71.8% of its weight in S&P 500 companies and DRAM 20.0%.
ETFIQ Off-Index Score: DRAM scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 371 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed
What they hold in common
By the books each fund has filed, DRAM and PPA hold 0% of their money in the same securities at the same weight.
| Only in DRAM | Only in PPA |
|---|---|
| TREASURY BILL 27.17% | RTX Corp 8.29% |
| SK hynix Inc 20.19% | Boeing Co/The 7.05% |
| Samsung Electronics Co Ltd 18.26% | General Electric Co 6.94% |
| Sandisk Corp 6.62% | Lockheed Martin Corp 6.59% |
| Kioxia Holdings Corp 5.54% | General Dynamics Corp 4.97% |
| Western Digital Corp 5.46% | Northrop Grumman Corp 4.95% |
| Seagate Technology Holdings PL 5.32% | Howmet Aerospace Inc 3.92% |
| GigaDevice Semiconductor Inc 3.90% | Parker-Hannifin Corp 3.84% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Sep 10, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| DRAM | PPA | DRAM | PPA | DRAM | PPA | |
| 3 months | −9.1% | −7.0% | −12.4 pts | −10.3 pts | −8.3 pts | −6.2 pts |
| 6 months | not published | −6.5% | not published | −22.5 pts | not published | −27.2 pts |
| 1 year | not published | +8.5% | not published | −9.0 pts | not published | −14.4 pts |
| 3 years | not published | +100.5% | not published | +22.6 pts | not published | +5.4 pts |
| Since launch | +112.9% | +998.8% | +96.1 pts | +194.5 pts | +90.6 pts | −675.1 pts |
| DRAM Roundhill Memory ETF Holds 13 stocks in memory and storage, 20% of its weight in S&P 500 companies | PPA Invesco Aerospace & Defense ETF Holds 62 stocks in defense, 72% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Roundhill | Invesco |
| Theme | Memory and storage | Defense |
| In the S&P 500 | 20.0% | 71.8% |
| Active share vs the S&P 500 | 96.8% | 96.4% |
| In the Nasdaq-100 | 20.0% | 4.9% |
| Holdings | 13 | 62 |
| Top ten, share of the fund | 97.3% | 53.7% |
| Expense ratio | 0.65% | 0.58% |
| Fee for the differing part | 0.67% | 0.60% |
| Total return, 1 year | +112.9% (since launch on Apr 2, 2026) | +8.5% |
| vs the S&P 500 | +96.1 pts | −9.0 pts |
| vs the Nasdaq-100 | +90.6 pts | −14.4 pts |
| Below its high | −26.8% | −12.7% |
DRAM in plain words
By weight, 20% of DRAM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 97%. The top ten holdings are 97% of the fund across 13 positions, as filed for Jun 30, 2026. Since it launched on Apr 2, 2026 the fund returned +112.9% with distributions reinvested against +16.8% for the S&P 500, so a holder was ahead by 96.1 pts. It sits 26.8% below its all-time high of Jun 22, 2026.
PPA in plain words
By weight, 72% of PPA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 96%. The top ten holdings are 54% of the fund across 62 positions, as published by its issuer for Sep 10, 2026. Over the year to Sep 11, 2026 the fund returned +8.5% with distributions reinvested against +17.5% for the S&P 500, so a holder was behind by 9.0 pts. It sits 12.7% below its all-time high of Mar 2, 2026.
Questions people ask
- Which is more different from the S&P 500, DRAM or PPA?
- DRAM has 20% of its weight in S&P 500 names and PPA has 72%, so DRAM differs more from the index.
- Which is cheaper, DRAM or PPA?
- DRAM charges 0.65% a year and PPA charges 0.58%, so PPA is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, DRAM against PPA, data as of Sep 11, 2026. https://etfiq.com/compare/themes/dram-vs-ppa Free to use with attribution; the underlying files are at Open data.