Data as of . Every figure is the themes desk's own, on published data.
ICLN vs SOXX
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 SOXX hold 0% of their money in the same securities at the same weight.
| Only in ICLN | Only in SOXX |
|---|---|
| BLOOM ENERGY CORPORATION 13.79% | Micron Technology, Inc. 8.55% |
| NEXTPOWER INC. 7.31% | Advanced Micro Devices, Inc. 8.10% |
| FIRST SOLAR, INC. 7.18% | NVIDIA Corp. 6.82% |
| China Yangtze Power Co., Ltd. 5.92% | Intel Corp. 6.34% |
| VESTAS WIND SYSTEMS A/S 3.38% | Broadcom, Inc. 6.08% |
| PLUG POWER INC. 3.29% | Applied Materials, Inc. 5.78% |
| ENPHASE ENERGY, INC. 3.26% | KLA Corp. 5.65% |
| EQUATORIAL S.A. 2.90% | Marvell Technology, Inc. 5.23% |
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 Jun 30, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| ICLN | SOXX | ICLN | SOXX | ICLN | SOXX | |
| 3 months | −16.4% | −3.6% | −21.1 pts | −8.3 pts | −18.5 pts | −5.7 pts |
| 6 months | +2.2% | +60.9% | −12.9 pts | +45.7 pts | −17.9 pts | +40.7 pts |
| 1 year | +25.3% | +113.9% | +5.3 pts | +93.9 pts | −0.3 pts | +88.3 pts |
| 3 years | +17.5% | +210.8% | −60.4 pts | +132.9 pts | −75.9 pts | +117.4 pts |
| Since launch | +10.6% | +3635.3% | −800.8 pts | +2823.9 pts | −1673.5 pts | +1951.2 pts |
| ICLN iShares Global Clean Energy ETF | SOXX iShares Semiconductor ETF | |
|---|---|---|
| Issuer | iShares | iShares |
| Theme | Clean energy | Semiconductors |
| In the S&P 500 | 7.2% | 80.8% |
| Active share vs the S&P 500 | 100.0% | 81.6% |
| In the Nasdaq-100 | 0.0% | 78.4% |
| Holdings | 122 | 30 |
| Top ten, share of the fund | 51.8% | 61.7% |
| Expense ratio | 0.38% | not published |
| Fee for the differing part | 0.38% | not published |
| Total return, 1 year | +25.3% | +113.9% |
| vs the S&P 500 | +5.3 pts | +93.9 pts |
| vs the Nasdaq-100 | −0.3 pts | +88.3 pts |
| Below its high | −42.8% | −20.6% |
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.
SOXX in plain words
By weight, 81% of SOXX's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 82%. The top ten holdings are 62% of the fund across 30 positions, as filed for Jun 30, 2026. Over the year to Sep 4, 2026 the fund returned +113.9% with distributions reinvested against +20.0% for the S&P 500, so a holder was ahead by 93.9 pts. It sits 20.6% below its all-time high of Jun 22, 2026.
Questions people ask
- Do ICLN and SOXX 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 SOXX?
- ICLN has 7% of its weight in S&P 500 names and SOXX has 81%, so ICLN 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, ICLN against SOXX, data as of Sep 4, 2026. https://etfiq.com/compare/themes/ICLN-SOXX.html Free to use with attribution; the underlying files are at Open data.