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.

Data as of Sep 4, 2026. Every figure is the themes desk's own, on published data.

ICLN vs NASA

Name: ETFIQ comparison of ICLN and NASA
Creator: ETFIQ

iShares Global Clean Energy ETF and Tema Space Innovators ETF, side by side on the themes desk.

0% of the two portfolios are the same securities at the same weight.

Open the live comparison on ETFIQ

ICLN and NASA on the themes desk fields, as of Sep 4, 2026. Source: ETFIQ.
	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

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.

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