BUG vs SPAM: which is really different?
BUG and SPAM hold 61% of their weight in the same names, and SPAM returned +35.1% over the year. Global X Cybersecurity ETF and Themes Cybersecurity ETF.
22% of BUG's weight is in S&P 500 companies and 78% is outside the index
26% of SPAM's weight is in S&P 500 companies and 74% is outside the index
A percentile among the 375 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 →
What they hold in common
By the books each fund has filed, BUG and SPAM hold 61% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Sep 30, 2026.
half
61% in common
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.
61% of the two portfolios are the same securities at the same weight.
Performance, window by window
| Total return | vs the S&P 500 | vs the Nasdaq-100 | ||||
|---|---|---|---|---|---|---|
| Window | BUG | SPAM | BUG | SPAM | BUG | SPAM |
| 3 months | +17.9% | +10.9% | +15.3 pts | +8.4 pts | +15.8 pts | +8.8 pts |
| 6 months | +82.2% | +61.0% | +65.3 pts | +44.0 pts | +55.4 pts | +34.1 pts |
| 1 year | +31.3% | +35.1% | +15.6 pts | +19.4 pts | +7.5 pts | +11.3 pts |
| 3 years | +90.6% | not published | +5.6 pts | not published | −19.4 pts | not published |
| Since launch BUG Oct 2019 · SPAM Dec 2023 | +205.0% | +88.0% | +27.0 pts | +16.1 pts | −86.7 pts | −3.9 pts |
BUG and SPAM over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →
On the same fields
BUG and SPAM on the same fields, as of Sep 30, 2026. Source: ETFIQ.
BUG in plain words
By weight, 22% of BUG's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 64% of the fund across 34 positions, as published by its issuer for Sep 30, 2026. Over the year to Sep 30, 2026 the fund returned +31.3% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 15.6 pts.
SPAM in plain words
By weight, 26% of SPAM's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 54% of the fund across 35 positions, as filed for Jun 30, 2026. Over the year to Sep 30, 2026 the fund returned +35.1% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 19.4 pts.
Questions people ask
- Do BUG and SPAM hold the same stocks?
- By their latest filings, 61% of their books are the same securities at the same weight, which is close to holding one of them twice. Overlap is the sum of the smaller weight of every security they share.
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.
ETFIQ, BUG against SPAM, data as of Sep 30, 2026. https://etfiq.com/compare/themes/bug-vs-spam
Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.
Cite this page. ETFIQ, BUG against SPAM, data as of Sep 30, 2026. https://etfiq.com/compare/themes/bug-vs-spam Free to use with attribution; the underlying files are at Open data.
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- ETFIQ. (Sep 30, 2026). BUG against SPAM. Retrieved from https://etfiq.com/compare/themes/bug-vs-spam
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