IVOG vs IWR: Differences, Returns & Fees

IVOG and IWR hold 15% of their weight in the same names. Net assets: $1.7bn on Sep 30, 2026 for Vanguard S&P Mid-Cap 400 Growth ETF, and $57.0bn on Oct 20, 2026 for iShares Russell Mid-Cap ETF.

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Answers cite the figures on this page.

IVOG costs 0.08 points a year less; their one-year returns differ by 0.1 points; IWR is far larger, $54.9bn against $1.7bn.

IVOG vs IWR: Differences, Returns & Fees
IVOGIWR
Expense ratio0.10%0.18%
Net assets, as of Sep 30, 2026$1.7bn$54.9bn
Total return, 1 year+15.0%+15.1%
What it tracksS&P MidCap 400 Growth IndexRussell Midcap Index
Holdings in common15%
Top ten holdings, share of the fund14.7%6.8%
Below its high8.1%, high on Aug 14, 20264.3%, high on Aug 14, 2026

Holdings in common uses holdings dated Sep 30, 2026 and Oct 19, 2026.

+15.0%
IVOG total return, 1 year
+15.1%
IWR total return, 1 year
0.10%
IVOG expense ratio
0.18%
IWR expense ratio

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Client brief · page 1 of 2Report BR-178DCFE65D

IVOG and IWR are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. IVOG follows S&P MidCap 400 Growth Index and IWR follows Russell Midcap Index.
  2. Holdings in common. 15% of the weight is in the same securities (holdings dated Sep 30, 2026 and Oct 19, 2026).
  3. Number of holdings. IVOG holds 249 positions and IWR holds 825.

Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.

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What they hold in common

By the books each fund has filed, IVOG and IWR hold 15% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 19, 2026.

half

15% in common

Positions both hold, largest shared weight first
Holding IVOG IWR
Twilio Inc 2.51% 0.28%
Okta Inc 1.94% 0.23%
TechnipFMC PLC 1.49% 0.20%
ATI Inc 1.44% 0.19%
United Therapeutics Corp 1.30% 0.17%
nVent Electric PLC 1.45% 0.17%
Entegris Inc 0.53% 0.16%
Tenet Healthcare Corp 1.15% 0.16%
XPO Inc 1.15% 0.16%
Roku Inc 1.12% 0.15%
Royal Gold Inc 1.11% 0.15%
Woodward Inc 1.08% 0.15%
Only in IVOG
Moog Inc 0.60%
SLCMT1142 0.56%
BrightSpring Health Services Inc 0.54%
Krystal Biotech Inc 0.49%
CareTrust REIT Inc 0.48%
FirstCash Holdings Inc 0.47%
InterDigital Inc 0.47%
Brinker International Inc 0.46%
Only in IWR
MARATHON PETROLEUM 1.04%
PHILLIPS 66 0.87%
SNOWFLAKE 0.79%
CLOUDFLARE CLASS A 0.71%
DATADOG INC CLASS A 0.64%
MODERNA 0.61%
HEWLETT PACKARD ENTERPRISE 0.55%
ROBINHOOD MARKETS CLASS A 0.55%

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On the same fields

IVOG
Vanguard S&P Mid-Cap 400 Growth ETF
IWR
iShares Russell Mid-Cap ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index
Total return, 1 year +15.0% +15.1%
Its benchmark over the same days +14.9% (IJK) +15.0% (IWV)
Gap to its benchmark +0.1 pts vs IJK +0.1 pts vs IWV
Expense ratio 0.10% 0.18%
Already in the S&P 500 3.0% 61.6%
Holdings 249 825
Net assets, IVOG as of Sep 30, 2026 and IWR as of Oct 20, 2026 $1.7bn $57.0bn

IVOG and IWR on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.

About IVOG

IVOG tracks an index. Over the year to Oct 20, 2026 it returned +15.0% with distributions reinvested, against +14.9% for its benchmark, the S&P MidCap 400 Growth Index. The prospectus expense ratio is 0.10% a year. By its holdings published by its issuer as of Sep 30, 2026, 3% of the fund by weight is stocks the S&P 500 also holds, across 249 positions, with the top ten at 14.7%. It sat 8.1% below its high of Aug 14, 2026 on Oct 20, 2026.

About IWR

IWR tracks an index. The prospectus expense ratio is 0.18% a year. By its holdings published by its issuer for Oct 19, 2026, 62% of the fund by weight is stocks the S&P 500 also holds, across 825 positions, with the top ten at 6.8%. It sat 4.3% below its high of Aug 14, 2026 on Oct 20, 2026.

Over the year to Oct 20, 2026 it returned +15.1% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.

Questions people ask

Which returned more over the last year, IVOG or IWR?
In the year to Oct 20, 2026, with distributions reinvested, IVOG returned +15.0% and IWR +15.1%.
Which is cheaper, IVOG or IWR?
IVOG is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IVOG and IWR overlap with the S&P 500?
By their latest filed holdings, 3% of IVOG and 62% of IWR by weight is stocks the S&P 500 already holds.
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ETFIQ, IVOG against IWR, data as of Oct 20, 2026. https://etfiq.com/compare/any/ivog-vs-iwr

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