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CATH vs IWB: Differences, Returns & Fees

CATH and IWB hold 80% of their weight in the same names, and IWB returned +16.6% over the year. Net assets on Oct 9, 2026: $1.4bn for Global X S&P 500 Catholic Values ETF and $49.6bn for iShares Russell 1000 ETF.

IWB costs 0.14 points a year less; their one-year returns differ by 2.1 points; IWB is far larger, $49.6bn against $1.4bn.

CATHIWB
Expense ratio0.29%0.15%
Net assets$1.4bn$49.6bn
Total return, 1 year+14.5%+16.6%
What it tracksS&P 500 Catholic Values IndexRussell 1000 Index
Holdings in common80%
Top ten holdings, share of the fund40.6%36.1%

Holdings in common uses holdings dated Oct 9, 2026.

+14.5%
CATH total return, 1 year
+16.6%
IWB total return, 1 year
0.29%
CATH expense ratio
0.15%
IWB expense ratio

What they hold in common

By the books each fund has filed, CATH and IWB hold 80% 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 Oct 9, 2026.

half

80% in common

Positions both hold, largest shared weight first
Holding CATH IWB
NVIDIA CORP 8.70% 7.44%
APPLE INC 7.70% 6.77%
MICROSOFT CORP 6.23% 5.53%
AMAZON.COM INC 3.87% 3.54%
ALPHABET INC-CL A 3.09% 2.85%
BROADCOM INC 2.70% 2.34%
ALPHABET INC-CL C 2.47% 2.30%
META PLATFORMS INC 2.37% 2.20%
MICRON TECHNOLOGY INC 1.82% 1.61%
TESLA INC 1.62% 1.56%
JPMORGAN CHASE & CO 1.49% 1.24%
EXXONMOBIL HOLDINGS CORP 1.04% 0.97%
Only in CATH
SEAGATE TECHNOLOGY HOLDINGS 0.28%
TE CONNECTIVITY PLC 0.10%
NXP SEMICONDUCTORS NV 0.09%
ERIE INDEMNITY COMPANY-CL A 0.01%
SKYDANCE CORP 0.01%
Only in IWB
ADVANCED MICRO DEVICES 1.38%
BERKSHIRE HATHAWAY INC CLASS B 1.34%
ELI LILLY 1.31%
JOHNSON & JOHNSON 0.88%
ABBVIE 0.68%
MERCK & CO INC 0.50%
COCA-COLA 0.48%
UNITEDHEALTH GROUP 0.48%

Check overlap with more funds →

On the same fields

CATH
Global X S&P 500 Catholic Values ETF
IWB
iShares Russell 1000 ETF
Where it sits Stock ETF Stock ETF
Issuer Global X iShares
What it is Tracks an index Tracks the Russell 1000
Total return, 1 year +14.5% +16.6%
S&P 500 over the same days +17.3% +17.3%
Gap to the S&P 500 −2.7 pts −0.6 pts
Expense ratio 0.29% 0.15%
Already in the S&P 500 98.9% 91.7%
Holdings 444 1025
Net assets $1.4bn $49.6bn

CATH and IWB on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

CATH in plain words

CATH tracks an index. Over the year to Oct 9, 2026 it returned +14.5% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.29% a year. By its holdings published by its issuer for Oct 9, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 444 positions, with the top ten at 40.6%.

IWB in plain words

IWB tracks the Russell 1000. Over the year to Oct 9, 2026 it returned +16.6% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 9, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 36.1%.

Questions people ask

Which returned more over the last year, CATH or IWB?
In the year to Oct 9, 2026, with distributions reinvested, CATH returned +14.5% and IWB +16.6%.
Which is cheaper, CATH or IWB?
IWB is cheaper, by 0.14 percentage points a year. That is about $14 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do CATH and IWB overlap with the S&P 500?
By their latest filed holdings, 99% of CATH and 92% of IWB by weight is stocks the S&P 500 already holds.
Other comparisons
CATH vs QUALCATH vs DIACATH vs SCHBCATH vs DYNFFDLO vs IWBFQAL vs IWBIWB vs LRGCFVAL vs IWB
CATH on its own →IWB on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
CATH filings on SEC EDGAR ↗CATH prospectus with the expense ratio (SEC) ↗Global X page for CATH ↗IWB filings on SEC EDGAR ↗IWB prospectus with the expense ratio (SEC) ↗iShares page for IWB ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, CATH against IWB, data as of Oct 9, 2026. https://etfiq.com/compare/any/cath-vs-iwb

Open data

Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms.