Data as of . Every figure is the themes desk's own, on published data.
ICLN vs NASA
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, ICLN and NASA hold 0% of their money in the same securities at the same weight.
| Only in ICLN | Only in NASA |
|---|---|
| BLOOM ENERGY CORPORATION 13.79% | Rocket Lab Corp 12.12% |
| NEXTPOWER INC. 7.31% | Planet Labs PBC 7.32% |
| FIRST SOLAR, INC. 7.18% | Intuitive Machines Inc 7.17% |
| China Yangtze Power Co., Ltd. 5.92% | SpaceX SPV Exposure (Preferred) 6.47% |
| VESTAS WIND SYSTEMS A/S 3.38% | AST SpaceMobile Inc 6.19% |
| PLUG POWER INC. 3.29% | Firefly Aerospace Inc 5.42% |
| ENPHASE ENERGY, INC. 3.26% | BlackSky Technology Inc 4.33% |
| EQUATORIAL S.A. 2.90% | 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 | |||
|---|---|---|---|---|---|---|
| ICLN | NASA | ICLN | NASA | ICLN | NASA | |
| 3 months | −16.4% | −27.9% | −21.1 pts | −32.6 pts | −18.5 pts | −30.0 pts |
| 6 months | +2.2% | n/a | −12.9 pts | n/a | −17.9 pts | n/a |
| 1 year | +25.3% | n/a | +5.3 pts | n/a | −0.3 pts | n/a |
| 3 years | +17.5% | n/a | −60.4 pts | n/a | −75.9 pts | n/a |
| Since launch | +10.6% | −6.6% | −800.8 pts | −25.3 pts | −1673.5 pts | −31.3 pts |
| ICLN iShares Global Clean Energy ETF | NASA Tema Space Innovators ETF | |
|---|---|---|
| Issuer | iShares | Tema |
| Theme | Clean energy | Space |
| In the S&P 500 | 7.2% | 2.4% |
| Active share vs the S&P 500 | 100.0% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 122 | 37 |
| Top ten, share of the fund | 51.8% | 60.8% |
| Expense ratio | 0.38% | 0.75% |
| Fee for the differing part | 0.38% | 0.75% |
| Total return, 1 year | +25.3% | −6.6% (since launch on Mar 31, 2026) |
| vs the S&P 500 | +5.3 pts | −25.3 pts |
| vs the Nasdaq-100 | −0.3 pts | −31.3 pts |
| Below its high | −42.8% | −43.9% |
ICLN in plain words
By weight, 7% of ICLN'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 52% of the fund across 122 positions, as filed for Apr 30, 2026. Over the year to Sep 4, 2026 the fund returned +25.3% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 5.3 pts. It sits 42.8% below its all-time high of Jan 7, 2021.
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 ICLN and NASA 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, ICLN or NASA?
- ICLN has 7% of its weight in S&P 500 names and NASA has 2%, so ICLN differs more from the index.
- Which is cheaper, ICLN or NASA?
- ICLN charges 0.38% a year and NASA charges 0.75%, so ICLN 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, ICLN against NASA, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ICLN-NASA.html Free to use with attribution; the underlying files are at Open data.