Compare CSSPX vs. SPY5 ETF performance

›Compare ETFs›CSSPX vs. SPY5 ETF comparison

Comparing 2 ETFs	Performance (August 17, 2026 - September 17, 2026)
CSSPX -1.28% SPY5 -1.29%

Comparison analysis

The ETFs iShares Core S&P 500 UCITS ETF (CSSPX) and State Street SPDR S&P 500 UCITS ETF (SPY5) are passive ETFs that track the performance of the S&P 500 Net Total Return Index - USD. As a result, they allow investors to get exposure to US Large & Mid Cap. iShares Core S&P 500 UCITS ETF (CSSPX) has a lower tracking difference (+13.88bps) than State Street SPDR S&P 500 UCITS ETF (SPY5) (+15.00bps), and a lower tracking error (+1.17bps vs. +2.03bps). Both funds use a Direct (Physical) replication method to follow their index and a replication model of Full replication. Technology, Finance and Healthcare are CSSPX’s top sector exposures, while SPY5 invests in Technology, Finance and Consumer Non-Cyclicals as its top 3. CSSPX’s top underlying securities are Apple, Inc. (7.65%), NVIDIA Corp. (7.38%) and Microsoft Corp. (5.23%). SPY5’s top underlying securities are NVIDIA Corp. (7.55%), Apple, Inc. (7.05%) and Microsoft Corp. (5.36%). With a Total Expense Ratio (TER) of 0.07%, CSSPX is more expensive than SPY5, with 0.03%. CSSPX has a 3M average daily volume (ADV) of +$123M vs. +$15M for SPY5. The recorded 1Y bid-ask spread is +2.51bps (CSSPX) and +3.59bps (SPY5). The table below shows the full side-by-side ETF comparison of CSSPX and SPY5, 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	SPY5 State Street SPDR S&P 500 UCITS ETF - USDThis ETF provides exposure to Large Cap US Equities Share class Dist USD ISIN IE00B6YX5C33


Product Type	Passive ETF	Passive ETF
Strategy	Long only	Long only
NAV	$823.73	$763.95
AuM	-	-
Total AuM of fund	€158.39B	€38.03B
Base currency	USD	USD
TER	0.07%	0.03%
Rating

Provider	iShares	State Street Investment Management
Investment strategy	The Fund seeks to track the performance of an index composed of 500 large cap U.S. companies.	The objective of the State Street SPDR S&P 500 UCITS ETF is to track the performance of large cap U.S. equity securities. It aims to do this by tracking the performance of the S&P 500 Index as closely as possible. The S&P 500 Index is a float-adjusted, capitalisation weighted index of the top 500 companies in the US market. The Index is designed to provide exposure to the large cap segment of the U.S. equities market and spans over 24 separate industry groups. It captures approximately 75% of the market capitalisation of US equities.
Dividend policy	Capitalization	Distribution


Tax optimisation
PEA
UK Reporting

Performance and flows	Perf. Flows	Perf. Flows
1 month	-1.28% To view, create a free account	-1.29% To view, create a free account
3 months	+3.16%	+3.16%
1 year	+16.80%	+16.81%
3 years	+77.02%	+77.07%
5 years	+82.59%	+82.55%
Month to date	-0.56%	-0.56%
Quarter to date	+2.05%	+2.05%
Year to date	+12.33%	+12.34%

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
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Exposure
Countries
Sectors or issuer types
Number of holdings	503	504
Weight of top 15 holdings
Top 15 holdings	Apple, Inc. NVIDIA Corp. Microsoft Corp. Amazon.com, Inc. Alphabet, Inc. Broadcom Inc. Alphabet, Inc. Meta Platforms, Inc. Micron Technology, Inc. JPMorgan Chase & Co. Berkshire Hathaway, Inc. Eli Lilly & Co. Tesla, Inc. Advanced Micro Devices, Inc. ExxonMobil Holdings Corp. To view, create a free account	NVIDIA Corp. Apple, Inc. Microsoft Corp. Amazon.com, Inc. Alphabet, Inc. Broadcom Inc. Alphabet, Inc. Meta Platforms, Inc. JPMorgan Chase & Co. Berkshire Hathaway, Inc. Micron Technology, Inc. Eli Lilly & Co. Tesla, Inc. Advanced Micro Devices, Inc. ExxonMobil Holdings Corp. To view, create a free account

Replication
Benchmark	S&P 500 Index	S&P 500 Index
Replication method
Replication model
Trackinsight replication rating
Tracking error (1Y)
Tracking difference (1Y)
1Y cumulative return difference	Best +16.55bps Worst +13.88bps	Best +18.16bps Worst +15.00bps
Daily return difference	Avg +0.05bps Worst -0.07bps	Avg +0.05bps Worst -0.30bps

Sustainability
SDG

Frequently asked questions about CSSPX and SPY5

How did CSSPX and SPY5 perform in 2026?

As of yesterday, CSSPX has delivered a year-to-date performance of 12.33%, while SPY5 has returned 12.34%.

Which ETF is seeing higher flows: CSSPX or SPY5?

As of yesterday, CSSPX has recorded +€4.91B in net flows YTD, compared to +€1.06B for SPY5 since the beginning of the year.

Which ETF shows higher volatility: CSSPX or SPY5?

As of yesterday, CSSPX reported a 1-year volatility of 12.82%, whereas SPY5 registered volatility 12.78% over the same period.

How do CSSPX and SPY5 differ in sector exposure?

As of yesterday, CSSPX is primarily exposed to sectors such as Technology, weight 44.76%, Finance, weight 14.01% and Healthcare, weight 8.99%. The top sectors in SPY5 feature Technology, weight 44.74%, Finance, weight 13.92% and Consumer Non-Cyclicals, weight 9.41%.

How do CSSPX and SPY5 differ in geographic exposure?

As of yesterday, CSSPX has its largest country exposures in USA, weight 97.39% and Ireland, weight 1.16%. The top countries in SPY5 feature USA, weight 97.57% and Ireland, weight 1.18%.

How do CSSPX and SPY5 differ in terms of holdings?

As of yesterday, CSSPX include Apple, Inc., weight 7.65%, NVIDIA Corp., weight 7.38% and Microsoft Corp., weight 5.23%. The top positions in SPY5 feature NVIDIA Corp., weight 7.55%, Apple, Inc., weight 7.05% and Microsoft Corp., weight 5.36%.

Is CSSPX or SPY5 more diversified?

As of yesterday, CSSPX holds 503 securities, with 43.59% of its assets allocated to its top 15 positions. SPY5, by comparison, includes 504 holdings and has 44.06% concentrated in its top 15.

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