ETF comparison · S&P 500 (UCITS)
CSPX vs SPYL: overlap by weight, TER & holdings
iShares Core S&P 500 UCITS ETF USD (Acc) vs SPDR S&P 500 UCITS ETF (Acc)
SPYL undercuts CSPX on fee; CSPX counters with size and a long track record. On identical index exposure the fee gap is the story, and it is smaller in euros than it looks in basis points.
CSPX also trades as SXR8 (Xetra), CSP1 (LSE (GBP)).
CSPX vs SPYL at a glance
| CSPX | SPYL | |
|---|---|---|
| Fund | iShares Core S&P 500 UCITS ETF USD (Acc) | SPDR S&P 500 UCITS ETF (Acc) |
| ISIN | IE00B5BMR087 | IE000XZSV718 |
| Index | S&P 500 | S&P 500 |
| Market exposure | US large cap | US large cap |
| TER | 0.07% | 0.03% |
| Holdings in fund | 505 | 503 |
| Fund size | ≈ 110 bn USD | ≈ 12 bn USD |
| Domicile | Ireland | Ireland |
| Replication | Physical (full) | Physical (full) |
| Use of income | Accumulating | Accumulating |
| Launched | May 19, 2010 | Oct 31, 2023 |
Top shared holdings
| CSPX | SPYL | |
|---|---|---|
| NVDANVIDIA | 7.85% | 8.16% |
| AAPLAPPLE | 7.44% | 7.44% |
| MSFTMICROSOFT | 5.64% | 5.56% |
| AMZNAMAZON.COM INC | 3.72% | 3.78% |
| GOOGLALPHABET CLASS A | 3.09% | 3.11% |
| GOOGALPHABET CLASS C | 2.47% | 2.48% |
| AVGOBROADCOM INC | 2.45% | 2.58% |
| METAMETA PLATFORMS CLASS A | 2.25% | 2.23% |
| MUMICRON TECHNOLOGY | 1.6% | 1.74% |
| TSLATESLA INC | 1.53% | 1.56% |
| JPMJPMORGAN CHASE & CO | 1.44% | 1.41% |
| LLYELI LILLY | 1.37% | 1.4% |
| AMDADVANCED MICRO DEVICES | 1.26% | 1.39% |
| XOMEXXONMOBIL HOLDINGS CORP | 1.07% | 1.02% |
| JNJJOHNSON & JOHNSON | 0.98% | 0.99% |
Weights per fund, normalized. 485 companies appear in both funds.
What the fee gap costs
Growth of 10,000 invested at 7% annual return, after each fund’s TER: 0.07% for CSPX, 0.03% for SPYL.
| CSPX | SPYL | Difference | |
|---|---|---|---|
| After 10 years | 19,543 | 19,616 | 73 |
| After 20 years | 38,194 | 38,480 | 287 |
| After 30 years | 74,643 | 75,485 | 842 |
SPYL comes out ahead by about 842 per 10,000 invested over 30 years. TER only. Trading spreads, taxes and broker fees are not included.
Domicile and withholding tax
Both funds are domiciled in Ireland, so fund-level dividend withholding works the same way for both. Domicile does not separate this pair.
Frequently asked questions
Do CSPX and SPYL overlap?+
Yes: 94.88% by weight, with 485 holdings appearing in both funds. 96.49% of CSPX’s weight is also inside SPYL.
Do CSPX and SPYL track the same index?+
Yes. Both funds track the same index: S&P 500. Return differences come from fees, replication and trading costs, not from index choice.
Which is cheaper, CSPX or SPYL?+
SPYL: 0.03% per year against 0.07% for CSPX. At 7% growth that gap is worth about 842 per 10,000 invested over 30 years.
Is it worth holding both CSPX and SPYL?+
Holding both mostly duplicates exposure: 94.88% of the pair overlaps by weight. Most investors pick one, or combine one of them with a fund covering different markets.
More comparisons
Methodology
Overlap is the sum of min(weight A, weight B) across holdings that appear in both funds, with each fund’s stored weights normalized to 100%. Holdings come from issuer feeds and regulatory filings in our ETF holdings database; TER and fund size come from fund profile data and are refreshed regularly. Figures update when the underlying holdings data updates.
Holdings data as of Sep 21, 2026, from our ETF holdings database.