ICLN vs XSD overlap - what they share and where they differ
ICLN and XSD share 2.7% of their weight across 2 common positions, read from what each fund reported to the SEC.
Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.
ICLN and XSD
2.7%
2 shared positions
ICLN
iShares Global Clean Energy ETF
Reported positions cover 97% of the fund, 101 positions · Apr 30, 2026
Top 10: 51.4%·Holdings of ICLN
XSD
State Street(R) SPDR(R) S&P(R) Semiconductor ETF
Reported positions cover 100% of the fund, 47 positions · Jun 30, 2026
Top 10: 29.0%·Holdings of XSD
Reported positions cover ICLN 97%, XSD 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
XSD vs ICLN side by side
ICLNiShares Global Clean Energy ETF
101
stock positions reported to the SEC
89.3% of its weight is in 99 names XSD does not hold
XSDState Street(R) SPDR(R) S&P(R) Semiconductor ETF
47
stock positions reported to the SEC
95.4% of its weight is in 45 names ICLN does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: XSD has 57.1 points more of it.
The figures side by side
| ICLN | XSD | |
|---|---|---|
| Filing date | Apr 30, 2026 | Jun 30, 2026 |
| Stock positions reported | 101 | 47 |
| Weight of the ten largest | 51.4% | 29.0% |
| Largest position | BE 13.7% | MXL 3.8% |
| Held alone | 99 positions, 89.3% | 45 positions, 95.4% |
| Covered by stock positions | 97% | 100% |
Holdings they share
| Stock | In ICLN | In XSD | Counted |
|---|---|---|---|
| FSLRFIRST SOLAR, INC. | 7.14% | 1.99% | 1.99% |
| TET1 ENERGY INC. | 0.73% | 2.59% | 0.73% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in ICLN
Only in XSD
Questions people ask
Is ICLN the same as XSD?
2.7% of their weight sits in the same 2 holdings. ICLN also reports BE, NXT, CHINA YANGTZE POWER CO., LTD., which the other does not. XSD also reports MXL, ALGM, ALAB, which the other does not.
How is the overlap between ICLN and XSD measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 97% of ICLN and 100% of XSD, so the number cannot exceed the smaller coverage.
Which holds more, XSD or ICLN?
ICLN reports 101 stock positions and XSD reports 47. 89.3% of ICLN's weight sits in names XSD does not hold, and 95.4% of XSD's weight in names ICLN does not hold. The ten largest positions are 51.4% of ICLN and 29.0% of XSD.
How do ICLN and XSD differ by sector?
The widest gap is Technology: XSD has 57.1 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.
Where do the numbers come from?
From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.
Add a third fund in the tool·All fund pairs
Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.