Data as of . Every figure is the themes desk's own, on published data.
BAI vs NASA
iShares A.I. Innovation and Tech Active ETF and Tema Space Innovators ETF, side by side on the themes desk.
1% of the two portfolios are the same securities at the same weight.
Open the live comparison on ETFIQ| BAI iShares A.I. Innovation and Tech Active ETF | NASA Tema Space Innovators ETF | |
|---|---|---|
| Issuer | iShares | Tema |
| Theme | Artificial intelligence | Space |
| In the S&P 500 | 50.0% | 2.4% |
| Active share vs the S&P 500 | 77.9% | 100.0% |
| In the Nasdaq-100 | 43.9% | 0.0% |
| Holdings | 45 | 37 |
| Top ten, share of the fund | 43.8% | 60.8% |
| Expense ratio | not published | 0.75% |
| Fee for the differing part | not published | 0.75% |
| Total return, 1 year | +43.1% | −6.6% (since launch on Mar 31, 2026) |
| vs the S&P 500 | +23.1 pts | −25.3 pts |
| vs the Nasdaq-100 | +17.5 pts | −31.3 pts |
| Below its high | −17.8% | −43.9% |
BAI in plain words
By weight, 50% of BAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 78%. The top ten holdings are 44% of the fund across 45 positions, as filed for Apr 30, 2026. Over the year to Sep 4, 2026 the fund returned +43.1% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 23.1 pts. It sits 17.8% below its all-time high of Jun 22, 2026.
NASA in plain words
By weight, 2% of NASA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 61% of the fund across 37 positions, as filed for May 31, 2026. Over the year to Sep 4, 2026 the fund returned −6.6% with distributions reinvested against +18.7% for the S&P 500, so a holder was behind by 25.3 pts. It sits 43.9% below its all-time high of May 27, 2026.
Questions people ask
- Do BAI and NASA hold the same stocks?
- By their latest filings, 1% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, BAI or NASA?
- BAI has 50% of its weight in S&P 500 names and NASA has 2%, so NASA differs more from the index.
Other comparisons
Cite this page. ETFIQ, BAI against NASA, data as of Sep 4, 2026. https://etfiq.com/compare/themes/BAI-NASA.html Free to use with attribution; the underlying files are at Open data.
ETFIQ is an independent publisher of exchange-traded fund data. It is not a fund issuer, broker-dealer or investment adviser, and it makes no recommendations; every figure here is stated arithmetic on published data. Standards and sources