MDYG vs MLRG: Differences, Returns & Fees

MDYG and MLRG hold 1% of their weight in the same names, and MLRG returned +15.5% over the year. Net assets on Oct 20, 2026: $2.8bn for State Street SPDR S & P 400 Mid Cap Growth ETF and $1.3bn for iShares MSCI USA ETF.

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Answers cite the figures on this page.

MLRG costs 0.12 points a year less; their one-year returns differ by 0.6 points; MDYG is 2.1 times larger.

MDYG vs MLRG: Differences, Returns & Fees
MDYGMLRG
Expense ratio0.15%0.03%
Net assets$2.8bn$1.3bn
Total return, 1 year+14.9%+15.5%
What it tracksS&P MidCap 400 Growth IndexMSCI USA Index
Holdings in common1%
Top ten holdings, share of the fund13.6%37.8%
Below its high8.2%, high on Aug 17, 2026

Holdings in common uses holdings dated Oct 19, 2026.

+14.9%
MDYG total return, 1 year
+15.5%
MLRG total return, 1 year
0.15%
MDYG expense ratio
0.03%
MLRG expense ratio

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Client brief · page 1 of 2Report BR-CA7A3755FF

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

  1. What each follows. MDYG follows S&P MidCap 400 Growth Index and MLRG follows MSCI USA Index.
  2. Holdings in common. 1% of the weight is in the same securities (holdings dated Oct 19, 2026).
  3. Cost. MDYG charges 0.15% of assets a year and MLRG 0.03%, a gap of 0.12 points.

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, MDYG and MLRG hold 1% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.

half

1% in common

Positions both hold, largest shared weight first
Holding MDYG MLRG
OKTA INC 1.83% 0.05%
ATI INC 1.49% 0.04%
TECHNIPFMC PLC 1.59% 0.04%
CARPENTER TECHNOLOGY 1.08% 0.03%
CURTISS WRIGHT CORP 1.06% 0.03%
ENTEGRIS INC 0.51% 0.03%
NVENT ELECTRIC PLC 1.33% 0.03%
ROIVANT SCIENCES LTD 0.63% 0.03%
UNITED THERAPEUTICS CORP 1.35% 0.03%
XPO INC 1.26% 0.03%
BURLINGTON STORES INC 0.58% 0.02%
COEUR MINING INC 0.91% 0.02%
Only in MDYG
TENET HEALTHCARE CORP 1.24%
ROKU INC 1.19%
ROYAL GOLD INC 1.16%
WOODWARD INC 1.13%
MACOM TECHNOLOGY SOLUTIONS H 1.07%
DYNATRACE INC 1.03%
ITT INC 1.03%
RBC BEARINGS INC 0.92%
Only in MLRG
APPLE 7.59%
NVIDIA 7.52%
MICROSOFT 5.68%
AMAZON.COM INC 3.83%
ALPHABET CLASS A 3.04%
ALPHABET CLASS C 2.40%
META PLATFORMS CLASS A 2.34%
BROADCOM INC 2.28%

Check overlap with more funds →

On the same fields

MDYG
State Street SPDR S & P 400 Mid Cap Growth ETF
MLRG
iShares MSCI USA ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index
Total return, 1 year +14.9% +15.5%
Its benchmark over the same days +14.9% (IJK) +15.4% (PBUS)
Gap to its benchmark 0.0 pts vs IJK +0.2 pts vs PBUS
Expense ratio 0.15% 0.03%
Already in the S&P 500 0.0% 95.6%
Holdings 247 515
Net assets $2.8bn $1.3bn
Former ticker none ILCB

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

About MDYG

MDYG tracks an index. Over the year to Oct 20, 2026 it returned +14.9% with distributions reinvested, against +14.9% for its benchmark, the S&P MidCap 400 Growth Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 19, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 247 positions, with the top ten at 13.6%. It sat 8.2% below its high of Aug 17, 2026 on Oct 20, 2026.

About MLRG

MLRG tracks an index. Over the year to Oct 20, 2026 it returned +15.5% with distributions reinvested, against +15.4% for its benchmark, the MSCI USA Index. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 19, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 515 positions, with the top ten at 37.8%.

Questions people ask

Which returned more over the last year, MDYG or MLRG?
In the year to Oct 20, 2026, with distributions reinvested, MDYG returned +14.9% and MLRG +15.5%.
Which is cheaper, MDYG or MLRG?
MLRG 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 MDYG and MLRG overlap with the S&P 500?
By their latest filed holdings, 0% of MDYG and 96% of MLRG by weight is stocks the S&P 500 already holds.
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ETFIQ, MDYG against MLRG, data as of Oct 20, 2026. https://etfiq.com/compare/any/mdyg-vs-mlrg

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