IYW vs RSPT overlap - what they share and where they differ
IYW and RSPT share 37.9% of their weight across 58 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.
IYW and RSPT
37.9%
58 shared positions
IYW
iShares U.S. Technology ETF
Reported positions cover 100% of the fund, 135 positions · Apr 30, 2026
Top 10: 65.6%·Holdings of IYW
RSPT
Invesco S&P 500 Equal Weight Technology ETF
Reported positions cover 100% of the fund, 73 positions · Apr 30, 2026
Top 10: 19.5%·Holdings of RSPT
Reported positions cover IYW 100%, RSPT 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.
RSPT vs IYW side by side
IYWiShares U.S. Technology ETF
135
stock positions reported to the SEC
23.8% of its weight is in 77 names RSPT does not hold
RSPTInvesco S&P 500 Equal Weight Technology ETF
73
stock positions reported to the SEC
20.9% of its weight is in 15 names IYW does not hold
Where each fund's weight sits
Largest sectors for both funds
The widest gap is Technology: IYW has 9.5 points more of it.
The figures side by side
| IYW | RSPT | |
|---|---|---|
| Filing date | Apr 30, 2026 | Apr 30, 2026 |
| Stock positions reported | 135 | 73 |
| Weight of the ten largest | 65.6% | 19.5% |
| Largest position | NVDA 16.2% | INTC 2.3% |
| Held alone | 77 positions, 23.8% | 15 positions, 20.9% |
| Covered by stock positions | 100% | 100% |
Holdings they share
| Stock | In IYW | In RSPT | Counted |
|---|---|---|---|
| INTCINTEL CORPORATION | 2.56% | 2.34% | 2.34% |
| AMDADVANCED MICRO DEVICES, INC. | 3.50% | 2.06% | 2.06% |
| TXNTEXAS INSTRUMENTS INCORPORATED | 1.57% | 1.69% | 1.57% |
| MUMICRON TECHNOLOGY, INC. | 2.98% | 1.47% | 1.47% |
| AVGOBROADCOM INC. | 3.78% | 1.45% | 1.45% |
| KLACKLA CORPORATION | 1.41% | 1.42% | 1.41% |
| LRCXLAM RESEARCH CORPORATION | 1.98% | 1.40% | 1.40% |
| AMATAPPLIED MATERIALS, INC. | 1.92% | 1.34% | 1.34% |
| NVDANVIDIA CORPORATION | 16.23% | 1.28% | 1.28% |
| AAPLAPPLE INC. | 13.63% | 1.24% | 1.24% |
What each holds alone
The heaviest positions one fund reports and the other does not.
Only in IYW
Only in RSPT
Questions people ask
Is IYW the same as RSPT?
37.9% of their weight sits in the same 58 holdings. IYW also reports GOOGL, META, MRVL, which the other does not. RSPT also reports STX, CIEN, NXPI, which the other does not.
How is the overlap between IYW and RSPT measured?
For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of IYW and 100% of RSPT, so the number cannot exceed the smaller coverage.
Which holds more, RSPT or IYW?
IYW reports 135 stock positions and RSPT reports 73. 23.8% of IYW's weight sits in names RSPT does not hold, and 20.9% of RSPT's weight in names IYW does not hold. The ten largest positions are 65.6% of IYW and 19.5% of RSPT.
How do IYW and RSPT differ by sector?
The widest gap is Technology: IYW has 9.5 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.
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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.