Data as of . Every figure is the themes desk's own, on published data.
NASA vs TAN
0% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, NASA and TAN hold 0% of their money in the same securities at the same weight.
| Only in NASA | Only in TAN |
|---|---|
| Rocket Lab Corp 12.12% | First Solar, Inc. 11.74% |
| Planet Labs PBC 7.32% | Nextpower Inc. 9.81% |
| Intuitive Machines Inc 7.17% | Enphase Energy, Inc. 8.75% |
| SpaceX SPV Exposure (Preferred) 6.47% | Enlight Renewable Energy Ltd. 7.58% |
| AST SpaceMobile Inc 6.19% | SolarEdge Technologies, Inc. 6.32% |
| Firefly Aerospace Inc 5.42% | Doral Group Renewable Energy Resources L 5.09% |
| BlackSky Technology Inc 4.33% | Sunrun Inc. 4.83% |
| 5N Plus Inc 4.08% | O.Y. Nofar Energy Ltd. 4.21% |
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 May 31, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| NASA | TAN | NASA | TAN | NASA | TAN | |
| 3 months | −27.9% | −25.0% | −32.6 pts | −29.7 pts | −30.0 pts | −27.1 pts |
| 6 months | n/a | −9.8% | n/a | −25.0 pts | n/a | −30.0 pts |
| 1 year | n/a | +14.3% | n/a | −5.6 pts | n/a | −11.3 pts |
| 3 years | n/a | −16.7% | n/a | −94.7 pts | n/a | −110.2 pts |
| Since launch | −6.6% | −38.6% | −25.3 pts | −850.0 pts | −31.3 pts | −1722.7 pts |
| NASA Tema Space Innovators ETF | TAN Invesco Solar ETF | |
|---|---|---|
| Issuer | Tema | Invesco |
| Theme | Space | Clean energy |
| In the S&P 500 | 2.4% | 11.7% |
| Active share vs the S&P 500 | 100.0% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 37 | 31 |
| Top ten, share of the fund | 60.8% | 65.2% |
| Expense ratio | 0.75% | 0.70% |
| Fee for the differing part | 0.75% | 0.70% |
| Total return, 1 year | −6.6% (since launch on Mar 31, 2026) | +14.3% |
| vs the S&P 500 | −25.3 pts | −5.6 pts |
| vs the Nasdaq-100 | −31.3 pts | −11.3 pts |
| Below its high | −43.9% | −60.4% |
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.
TAN in plain words
By weight, 12% of TAN'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 65% of the fund across 31 positions, as filed for May 31, 2026. Over the year to Sep 4, 2026 the fund returned +14.3% with distributions reinvested against +20.0% for the S&P 500, so a holder was behind by 5.6 pts. It sits 60.4% below its all-time high of Feb 9, 2021.
Questions people ask
- Do NASA and TAN hold the same stocks?
- By their latest filings, 0% 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, NASA or TAN?
- NASA has 2% of its weight in S&P 500 names and TAN has 12%, so NASA differs more from the index.
- Which is cheaper, NASA or TAN?
- NASA charges 0.75% a year and TAN charges 0.70%, so TAN 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, NASA against TAN, data as of Sep 4, 2026. https://etfiq.com/compare/themes/NASA-TAN.html Free to use with attribution; the underlying files are at Open data.