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IWB vs SCHK: Differences, Returns & Fees

IWB and SCHK hold 86% of their weight in the same names. Net assets: $49.6bn on Oct 9, 2026 for iShares Russell 1000 ETF, and $5.7bn on May 31, 2026 for Schwab 1000 Index ETF.

SCHK costs 0.12 points a year less; their one-year returns differ by 0.3 points; IWB is 9.7 times larger.

IWB vs SCHK: Differences, Returns & Fees
IWBSCHK
Expense ratio0.15%0.03%
Net assets, as of Feb 28, 2025$39.2bn$4.0bn
Total return, 1 year+16.6%+16.9%
What it tracksRussell 1000 IndexSchwab 1000 Index
Holdings in common86%
Top ten holdings, share of the fund36.1%36.2%

Holdings in common uses holdings dated May 31, 2026 and Oct 9, 2026.

+16.6%
IWB total return, 1 year
+16.9%
SCHK total return, 1 year
0.15%
IWB expense ratio
0.03%
SCHK expense ratio

What they hold in common

By the books each fund has filed, IWB and SCHK hold 86% 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 May 31, 2026 and Oct 9, 2026.

half

86% in common

Positions both hold, largest shared weight first
Holding IWB SCHK
NVIDIA 7.44% 7.29%
APPLE 6.77% 6.51%
MICROSOFT 5.53% 4.75%
AMAZON.COM INC 3.54% 3.75%
ALPHABET CLASS A 2.85% 3.15%
BROADCOM INC 2.34% 3.01%
ALPHABET CLASS C 2.30% 2.50%
META PLATFORMS CLASS A 2.20% 1.97%
TESLA INC 1.56% 1.74%
MICRON TECHNOLOGY 1.61% 1.55%
ELI LILLY 1.31% 1.24%
BERKSHIRE HATHAWAY INC CLASS B 1.34% 1.24%
Only in IWB
EXXONMOBIL HOLDINGS CORP 0.97%
APPLIED MATERIAL INC 0.56%
GE AEROSPACE 0.44%
TEXAS INSTRUMENT INC 0.36%
SANDISK 0.32%
MCDONALDS CORP 0.23%
TJX 0.21%
PROLOGIS REIT 0.17%
Only in SCHK
Exxon Mobil Corp 0.86%
Applied Materials Inc 0.51%
General Electric Co 0.48%
Texas Instruments Inc 0.39%
Sandisk Corp/DE 0.35%
McDonald's Corp 0.28%
Seagate Technology Holdings PLC 0.27%
TJX Cos Inc/The 0.24%

Check overlap with more funds →

On the same fields

IWB
iShares Russell 1000 ETF
SCHK
Schwab 1000 Index ETF
Where it sits Stock ETF Stock ETF
Issuer iShares Schwab
What it is Tracks the Russell 1000 Tracks an index
Total return, 1 year +16.6% +16.9%
Its benchmark over the same days +16.8% (VONE) not published
Gap to its benchmark −0.1 pts vs VONE not available
Expense ratio 0.15% 0.03%
Already in the S&P 500 91.7% 92.3%
Holdings 1025 986
Net assets, IWB as of Oct 9, 2026 and SCHK as of May 31, 2026 $49.6bn $5.7bn

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

About IWB

IWB tracks the Russell 1000. Over the year to Oct 9, 2026 it returned +16.6% with distributions reinvested, against +16.8% for its benchmark, the Russell 1000 Index. 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%.

About SCHK

SCHK tracks an index. Over the year to Oct 9, 2026 it returned +16.9% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings filed for May 31, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 986 positions, with the top ten at 36.2%.

Questions people ask

Which returned more over the last year, IWB or SCHK?
In the year to Oct 9, 2026, with distributions reinvested, IWB returned +16.6% and SCHK +16.9%.
Which is cheaper, IWB or SCHK?
SCHK is cheaper, by 0.12 percentage points a year. That is about $12 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IWB and SCHK overlap with the S&P 500?
By their latest filed holdings, 92% of IWB and 92% of SCHK by weight is stocks the S&P 500 already holds.
Other comparisons
IWB vs RECSIWB vs MSLCIWB vs LRGFIWB vs VONEQUAL vs SCHKSCHB vs SCHKRDVY vs SCHKSCHK vs USMV
IWB on its own →SCHK on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
IWB filings on SEC EDGAR ↗IWB prospectus with the expense ratio (SEC) ↗iShares page for IWB ↗SCHK filings on SEC EDGAR ↗SCHK prospectus with the expense ratio (SEC) ↗Schwab website ↗

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

Open data

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