Compare CSSPX vs. SPY ETF performance
Comparing 2 ETFs | Performance (December 17, 2025 - March 17, 2026) |
CSSPX SPY |
Comparison analysis iShares Core S&P 500 UCITS ETF (CSSPX) provides exposure to the US Large & Mid Cap segment. SPDR S&P 500 ETF Trust (SPY) belongs to the US Large Cap segment. Both funds use a Direct (Physical) replication method to follow their index and a replication model of Full replication. Both funds invest in the same top 3 sectors: Information Technology, Communication Services and Financials. CSSPX’s top underlying securities are NVIDIA (7.84%), APPLE (6.40%) and MICROSOFT-T (5.40%). SPY’s top underlying securities are NVIDIA (7.83%), APPLE (6.47%) and MICROSOFT-T (5.39%). With a Total Expense Ratio (TER) of 0.07%, CSSPX is cheaper than SPY, with 0.0945%. CSSPX has a 3M average daily volume (ADV) of +$155M vs. +$46.31B for SPY. The recorded 1Y bid-ask spread is +2.99bps (CSSPX) and +0.26bps (SPY). The table below shows the full side-by-side ETF comparison of CSSPX and SPY, with detailed data on performance, flows, liquidity, exposure to individual stocks, segments, sectors, and geographies, helping you select the best ETFs. |
CSSPX iShares Core S&P 500 UCITS ETF - USDThis ETF provides exposure to Large Cap US Equities Share class Acc USD ISIN IE00B5BMR087 |
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Product Type | Passive ETF | Passive ETF | ||
Strategy | Long only | Long only | ||
NAV | $721.08 | $670.68 | ||
AuM | - | - | ||
Total AuM of fund | €132.95B | |||
Base currency | USD | USD | ||
E/R | 0.07% | 0.0945% | ||
Rating | ||||
Provider | ||||
Investment strategy | The Fund seeks to track the performance of an index composed of 500 large cap U.S. companies. | The SPDR® S&P 500® ETF Trust seeks to provide investment results that, before expenses, correspond generally to the price and yield performance of the S&P 500® Index. The S&P 500® Index is composed of five hundred (500) selected stocks, all of which are listed on national stock exchanges and spans over 25 separate industry groups. | ||
Dividend policy | Capitalization | Distribution | ||
Tax optimisation | ||||
PEA | ||||
UK Reporting | ||||
Performance and flows | Perf. Flows | Perf. Flows | ||
1 month | -1.75% To view, create a free account | -1.73% To view, create a free account | ||
3 months | +0.17% | +0.21% | ||
1 year | +19.54% | +19.71% | ||
3 years | +77.37% | +78.17% | ||
5 years | +79.31% | +80.96% | ||
Month to date | -2.30% | -2.28% | ||
Quarter to date | -1.67% | -1.63% | ||
Year to date | -1.67% | -1.63% | ||
Volatility and risk | 1 year 3 years 5 years | 1 year 3 years 5 years | ||
Volatility | To view, create a free account | To view, create a free account | ||
Perf./Volatility | ||||
Max drawdown | ||||
Create a free Trackinsight Essentials account to unlock insights Access exclusive metrics and features to support your investment decisions. | ||||
Exposure | ||||
Countries | ||||
Sectors or issuer types | ||||
Number of holdings | 503 | 502 | ||
Weight of top 15 holdings | ||||
Top 15 holdings | NVIDIA APPLE MICROSOFT-T AMAZON.COM INC ALPHABET INC-CL META PLATFORMS ALPHABET INC-CL BROADCOM LIMITED TESLA BERKSHIRE HATHWAY JPMORGAN CHASE LILLY EXXON VISA INCORPORATION JOHNSON&JOHNSON To view, create a free account | NVIDIA APPLE MICROSOFT-T AMAZON.COM INC ALPHABET INC-CL ALPHABET INC-CL BROADCOM LIMITED META PLATFORMS TESLA BERKSHIRE HATHWAY JPMORGAN CHASE LILLY EXXON JOHNSON&JOHNSON VISA INCORPORATION To view, create a free account | ||
Replication | ||||
Benchmark | ||||
Replication method | ||||
Replication model | ||||
Trackinsight replication rating | ||||
Tracking error (1Y) | ||||
Tracking difference (1Y) | ||||
Sustainability | ||||
ESG Consensus® |  | | ||
SDG |
Frequently asked questions about CSSPX and SPY
How did CSSPX and SPY perform in 2026?
As of 3/17/2026, CSSPX has delivered a year-to-date performance of -1.67%, while SPY has returned -1.63%.
Which ETF is seeing higher flows: CSSPX or SPY?
As of 3/17/2026, CSSPX has recorded -€88M in net flows YTD, compared to -€23.74B for SPY since the beginning of the year.
Which ETF shows higher volatility: CSSPX or SPY?
As of 3/17/2026, CSSPX reported a 1-year volatility of 17.69%, whereas SPY registered volatility 18.06% over the same period.
How do CSSPX and SPY differ in sector exposure?
As of 3/17/2026, CSSPX is primarily exposed to sectors such as Information Technology, weight 34.83%, Communication Services, weight 10.92% and Financials, weight 10.53%. The top sectors in SPY feature Information Technology, weight 34.58%, Communication Services, weight 10.96% and Financials, weight 10.63%.
How do CSSPX and SPY differ in geographic exposure?
As of 3/17/2026, CSSPX has its largest country exposures in USA, weight 96.78% and Ireland, weight 2.08%. The top countries in SPY feature USA, weight 96.94% and Ireland, weight 2.08%.
How do CSSPX and SPY differ in terms of holdings?
As of 3/17/2026, CSSPX include NVIDIA, weight 7.84%, APPLE, weight 6.40% and MICROSOFT-T, weight 5.40%. The top positions in SPY feature NVIDIA, weight 7.83%, APPLE, weight 6.47% and MICROSOFT-T, weight 5.39%.
Is CSSPX or SPY more diversified?
As of 3/17/2026, CSSPX holds 503 securities, with 43.89% of its assets allocated to its top 15 positions. SPY, by comparison, includes 502 holdings and has 44.02% concentrated in its top 15.
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