Data as of . Every figure is the themes desk's own, on published data.
BAI vs NASA
1% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, BAI and NASA hold 1% of their money in the same securities at the same weight.
| Holding | BAI | NASA |
|---|---|---|
| EchoStar Corp | 1.23% | 2.39% |
| Only in BAI | Only in NASA |
|---|---|
| Broadcom Inc 5.97% | Rocket Lab Corp 12.12% |
| NVIDIA Corp 5.43% | Planet Labs PBC 7.32% |
| SK hynix Inc 4.93% | Intuitive Machines Inc 7.17% |
| Taiwan Semiconductor Manufacturing Co Lt 4.64% | SpaceX SPV Exposure (Preferred) 6.47% |
| Alphabet Inc 4.26% | AST SpaceMobile Inc 6.19% |
| Tower Semiconductor Ltd 4.22% | Firefly Aerospace Inc 5.42% |
| Lam Research Corp 3.99% | BlackSky Technology Inc 4.33% |
| Advanced Micro Devices Inc 3.84% | 5N Plus Inc 4.08% |
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 as filed for Apr 30, 2026 and May 31, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| BAI | NASA | BAI | NASA | BAI | NASA | |
| 3 months | −2.1% | −27.9% | −6.8 pts | −32.6 pts | −4.2 pts | −30.0 pts |
| 6 months | +36.4% | n/a | +21.2 pts | n/a | +16.2 pts | n/a |
| 1 year | +43.1% | n/a | +23.1 pts | n/a | +17.5 pts | n/a |
| Since launch | +81.2% | −6.6% | +46.5 pts | −25.3 pts | +34.9 pts | −31.3 pts |
| 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
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, 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.