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IWV vs SPYM: Differences, Returns & Fees

IWV and SPYM hold 89% of their weight in the same names, and SPYM returned +17.3% over the year. Net assets: $20.6bn on Oct 9, 2026 for iShares Russell 3000 ETF, and $178.5bn on Oct 8, 2026 for State Street SPDR Portfolio S&P 500 ETF.

SPYM costs 0.18 points a year less; their one-year returns differ by 0.6 points; SPYM is 8.7 times larger.

IWV vs SPYM: Differences, Returns & Fees
IWVSPYM
Expense ratio0.20%0.02%
Net assets, as of Oct 8, 2026$20.5bn$178.5bn
Total return, 1 year+16.7%+17.3%
What it tracksRussell 3000 IndexS&P 500 Index ?
Holdings in common89%
Top ten holdings, share of the fund34.7%39.0%

Holdings in common uses holdings dated Oct 8, 2026 and Oct 9, 2026.

+16.7%
IWV total return, 1 year
+17.3%
SPYM total return, 1 year
0.20%
IWV expense ratio
0.02%
SPYM expense ratio

What they hold in common

By the books each fund has filed, IWV and SPYM hold 89% 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 8, 2026 and Oct 9, 2026.

half

89% in common

Positions both hold, largest shared weight first
Holding IWV SPYM
NVIDIA 7.15% 8.33%
APPLE 6.51% 7.42%
MICROSOFT 5.32% 5.79%
AMAZON.COM INC 3.40% 3.72%
ALPHABET CLASS A 2.74% 3.05%
BROADCOM INC 2.25% 2.56%
ALPHABET CLASS C 2.21% 2.45%
META PLATFORMS CLASS A 2.11% 2.37%
MICRON TECHNOLOGY 1.55% 1.75%
TESLA INC 1.49% 1.58%
ADVANCED MICRO DEVICES 1.32% 1.51%
BERKSHIRE HATHAWAY INC CLASS B 1.28% 1.42%
Only in IWV
SNOWFLAKE 0.17%
CLOUDFLARE CLASS A 0.15%
SPACE EXPLORATION TECHNOLOGIES COR 0.13%
SPOTIFY TECHNOLOGY 0.11%
CHENIERE ENERGY 0.08%
ASTERA LABS 0.07%
NATERA 0.07%
NU HOLDINGS CLASS A 0.07%
Only in SPYM
SEAGATE TECHNOLOGY HOLDINGS 0.26%
TE CONNECTIVITY PLC 0.09%
NXP SEMICONDUCTORS NV 0.09%
ERIE INDEMNITY COMPANY CL A 0.01%
SKYDANCE CORP 0.01%
S+P500 EMINI FUT DEC26 0.00%
CONTRA WALGREENS BOOTS 0.00%

Check overlap with more funds →

On the same fields

IWV
iShares Russell 3000 ETF
SPYM
State Street SPDR Portfolio S&P 500 ETF
Where it sits Stock ETF Stock ETF
Issuer iShares State Street
What it is Tracks an index Tracks the S&P 500
Total return, 1 year +16.7% +17.3%
Its benchmark over the same days +16.8% (VTHR) +17.3% (IVV)
Gap to its benchmark −0.1 pts vs VTHR 0.0 pts vs IVV
Expense ratio 0.20% 0.02%
Already in the S&P 500 87.8% 99.8%
Holdings 2600 506
Net assets, IWV as of Oct 9, 2026 and SPYM as of Oct 8, 2026 $20.6bn $178.5bn
Former ticker none SPLG

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

About IWV

IWV tracks an index. Over the year to Oct 9, 2026 it returned +16.7% with distributions reinvested, against +16.8% for its benchmark, the Russell 3000 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 9, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2,600 positions, with the top ten at 34.7%.

About SPYM

SPYM tracks the S&P 500. Over the year to Oct 9, 2026 it returned +17.3% with distributions reinvested, against +17.3% for its benchmark, the S&P 500 Index ?. The prospectus expense ratio is 0.02% a year. By its holdings published by its issuer for Oct 8, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 506 positions, with the top ten at 39.0%.

Questions people ask

Which returned more over the last year, IWV or SPYM?
In the year to Oct 9, 2026, with distributions reinvested, IWV returned +16.7% and SPYM +17.3%.
Which is cheaper, IWV or SPYM?
SPYM is cheaper, by 0.18 percentage points a year. That is about $18 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IWV and SPYM overlap with the S&P 500?
By their latest filed holdings, 88% of IWV and 100% of SPYM by weight is stocks the S&P 500 already holds.
Other comparisons
IWV vs SPYCGUS vs IWVIWV vs XLGIWV vs PBUSOEF vs SPYMMTUM vs SPYMSPHQ vs SPYMSPMO vs SPYM
IWV on its own →SPYM on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
IWV filings on SEC EDGAR ↗IWV prospectus with the expense ratio (SEC) ↗iShares page for IWV ↗SPYM filings on SEC EDGAR ↗SPYM prospectus with the expense ratio (SEC) ↗State Street 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, IWV against SPYM, data as of Oct 9, 2026. https://etfiq.com/compare/any/iwv-vs-spym

Open data

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