IMCG vs PRFZ: Differences, Returns & Fees

IMCG and PRFZ hold 5% of their weight in the same names, and PRFZ returned +16.1% over the year. Net assets on Oct 20, 2026: $4.1bn for iShares Morningstar Mid-Cap Growth ETF and $2.6bn for Invesco RAFI US 1500 Small-Mid ETF.

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Answers cite the figures on this page.

IMCG costs 0.30 points a year less; their one-year returns differ by 1.0 point; IMCG is 1.5 times larger.

IMCG vs PRFZ: Differences, Returns & Fees
IMCGPRFZ
Expense ratio0.06%0.36%
Net assets$4.1bn$2.6bn
Total return, 1 year+15.1%+16.1%
What it tracksMorningstar US Mid Cap Broad Growth IndexRAFI Fundamental Select US 1500 Index
Holdings in common5%
Top ten holdings, share of the fund12.5%4.0%
Below its high5.9%, high on Aug 13, 20266.9%, high on Aug 14, 2026

Holdings in common uses holdings dated Oct 19, 2026.

+15.1%
IMCG total return, 1 year
+16.1%
PRFZ total return, 1 year
0.06%
IMCG expense ratio
0.36%
PRFZ expense ratio

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Client brief · page 1 of 2Report BR-0E1B64EC3B

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

  1. What each follows. IMCG follows Morningstar US Mid Cap Broad Growth Index and PRFZ follows RAFI Fundamental Select US 1500 Index.
  2. Holdings in common. 5% of the weight is in the same securities (holdings dated Oct 19, 2026).
  3. Number of holdings. IMCG holds 260 positions and PRFZ holds 1491.

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, IMCG and PRFZ hold 5% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.

half

5% in common

Positions both hold, largest shared weight first
Holding IMCG PRFZ
ATI 0.35% 0.34%
NATERA 0.76% 0.31%
MONGODB CLASS A 0.38% 0.25%
ROBLOX CLASS A 0.45% 0.25%
RBC BEARINGS 0.22% 0.22%
REVOLUTION MEDICINES 0.22% 0.28%
TOAST CLASS A 0.22% 0.26%
CARPENTER TECHNOLOGY 0.26% 0.22%
LATTICE SEMICONDUCTOR 0.21% 0.19%
TEXAS PACIFIC LAND 0.28% 0.19%
AXON ENTERPRISE 0.41% 0.18%
CLOUDFLARE CLASS A 1.32% 0.18%
Only in IMCG
FORTINET 1.48%
SNOWFLAKE 1.48%
FREEPORT MCMORAN INC 1.39%
DELL TECHNOLOGIES INC CLASS C 1.27%
JOHNSON CONTROLS INTERNATIONAL PLC 1.25%
DATADOG INC CLASS A 1.20%
HILTON WORLDWIDE HOLDINGS 1.05%
MOTOROLA SOLUTIONS INC 1.05%
Only in PRFZ
Iovance Biotherapeutics Inc 0.46%
Paycom Software Inc 0.45%
Docusign Inc 0.42%
Crescent Energy Co 0.42%
SharkNinja Inc 0.41%
10X Genomics Inc 0.39%
Dynatrace Inc 0.38%
Par Pacific Holdings Inc 0.38%

Check overlap with more funds →

On the same fields

IMCG
iShares Morningstar Mid-Cap Growth ETF
PRFZ
Invesco RAFI US 1500 Small-Mid ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index
Total return, 1 year +15.1% +16.1%
Its benchmark over the same days not measured +15.0% (IWV)
Gap to its benchmark not measured +1.0 pts vs IWV
Expense ratio 0.06% 0.36%
Already in the S&P 500 80.4% 1.8%
Holdings 260 1491
Net assets $4.1bn $2.6bn

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

About IMCG

IMCG tracks an index. Over the year to Oct 20, 2026 it returned +15.1% with distributions reinvested. The prospectus expense ratio is 0.06% a year. By its holdings published by its issuer for Oct 19, 2026, 80% of the fund by weight is stocks the S&P 500 also holds, across 260 positions, with the top ten at 12.5%. It sat 5.9% below its high of Aug 13, 2026 on Oct 20, 2026.

About PRFZ

PRFZ tracks an index. The prospectus expense ratio is 0.36% a year. By its holdings published by its issuer for Oct 19, 2026, 2% of the fund by weight is stocks the S&P 500 also holds, across 1,491 positions, with the top ten at 4.0%. It sat 6.9% below its high of Aug 14, 2026 on Oct 20, 2026.

Over the year to Oct 20, 2026 it returned +16.1% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.

Questions people ask

Which returned more over the last year, IMCG or PRFZ?
In the year to Oct 20, 2026, with distributions reinvested, IMCG returned +15.1% and PRFZ +16.1%.
Which is cheaper, IMCG or PRFZ?
IMCG is cheaper, by 0.30 percentage points a year. That is about $30 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IMCG and PRFZ overlap with the S&P 500?
By their latest filed holdings, 80% of IMCG and 2% of PRFZ by weight is stocks the S&P 500 already holds.
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ETFIQ, IMCG against PRFZ, data as of Oct 20, 2026. https://etfiq.com/compare/any/imcg-vs-prfz

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