Data as of .
IBUY vs ONLN: which is really different?
IBUY and ONLN hold 27% of their weight in the same names, and ONLN returned more over the year.
ETFIQ Off-Index Score: ONLN scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 379 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed
27% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, IBUY and ONLN hold 27% of their money in the same securities at the same weight.
| Holding | IBUY | ONLN |
|---|---|---|
| Wayfair Inc | 3.31% | 3.49% |
| Etsy Inc | 2.74% | 2.99% |
| Revolve Group Inc | 2.68% | 2.83% |
| Liquidity Services Inc | 2.48% | 3.27% |
| eBay Inc | 2.44% | 8.69% |
| Amazon.com Inc | 2.05% | 24.79% |
| Carvana Co | 2.00% | 4.64% |
| Chewy Inc | 1.89% | 3.06% |
| Figs Inc | 1.67% | 2.77% |
| Global-e Online Ltd | 0.78% | 1.73% |
| Sea Ltd | 0.75% | 3.06% |
| Williams-Sonoma Inc | 0.73% | 3.70% |
| Only in IBUY | Only in ONLN |
|---|---|
| Hims & Hers Health Inc 3.05% | ALIBABA GROUP HOLDING-SP ADR 8.72% |
| Affirm Holdings Inc 2.94% | GIGACLOUD TECHNOLOGY INC - A 3.26% |
| TripAdvisor Inc 2.90% | PATTERN GROUP INC-CL A 3.02% |
| Maplebear Inc 2.79% | THREDUP INC - CLASS A 2.86% |
| Peloton Interactive Inc 2.69% | REALREAL INC/THE 2.76% |
| MSC Industrial Direct Co Inc 2.68% | JD.COM INC-ADR 2.52% |
| DoorDash Inc 2.60% | |
| Bed Bath & Beyond Inc 2.59% |
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 dated Jun 30, 2026 and Sep 18, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| IBUY | ONLN | IBUY | ONLN | IBUY | ONLN | |
| 3 months | −1.5% | +0.9% | −3.7 pts | −1.4 pts | +1.0 pts | +3.4 pts |
| 6 months | +10.9% | +8.7% | −7.1 pts | −9.3 pts | −13.3 pts | −15.5 pts |
| 1 year | −13.9% | −8.8% | −30.5 pts | −25.3 pts | −35.7 pts | −30.5 pts |
| 3 years | +48.7% | +78.7% | −29.7 pts | +0.3 pts | −49.4 pts | −19.4 pts |
| Since launch | +170.0% | +42.6% | −159.2 pts | −166.3 pts | −431.6 pts | −281.6 pts |
| IBUY Amplify Online Retail ETF Holds 85 stocks in internet and e-commerce, 31% of its weight in S&P 500 companies | ONLN ProShares Online Retail ETF Holds 21 stocks in internet and e-commerce, 42% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Amplify | ProShares |
| Theme | Internet and e-commerce | Internet and e-commerce |
| In the S&P 500 | 30.7% | 41.8% |
| Active share vs the S&P 500 | 94.8% | 96.2% |
| In the Nasdaq-100 | 18.5% | 33.2% |
| Holdings | 85 | 21 |
| Top ten, share of the fund | 28.8% | 69.1% |
| Expense ratio | 0.65% | 0.58% |
| Fee for the differing part | 0.69% | 0.60% |
| Total return, 1 year | −13.9% | −8.8% |
| vs the S&P 500 | −30.5 pts | −25.3 pts |
| vs the Nasdaq-100 | −35.7 pts | −30.5 pts |
| Below its high | −51.3% | −38.9% |
| Net assets | $121m | $59m |
IBUY in plain words
By weight, 31% of IBUY's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 95%. The top ten holdings are 29% of the fund across 85 positions, as filed for Jun 30, 2026. Over the year to Sep 18, 2026 the fund returned −13.9% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 30.5 pts. It sits 51.3% below its all-time high of Feb 12, 2021.
ONLN in plain words
By weight, 42% of ONLN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 96%. The top ten holdings are 69% of the fund across 21 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned −8.8% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 25.3 pts. It sits 38.9% below its all-time high of Feb 12, 2021.
Questions people ask
- Do IBUY and ONLN hold the same stocks?
- By their latest filings, 27% of their books are the same securities at the same weight, which is a meaningful overlap. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, IBUY or ONLN?
- IBUY has 31% of its weight in S&P 500 names and ONLN has 42%, so ONLN differs more from the index.
- Which is cheaper, IBUY or ONLN?
- IBUY charges 0.65% a year and ONLN charges 0.58%, so ONLN 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, IBUY against ONLN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/ibuy-vs-onln Free to use with attribution; the underlying files are at Open data.