COWG vs IMCB: Differences, Returns & Fees

COWG and IMCB hold 8% of their weight in the same names, and IMCB returned +19.2% over the year. Net assets: $2.4bn on Oct 2, 2026 for Pacer US Large Cap Cash Cows Growth Leaders ETF, and $1.7bn on Oct 20, 2026 for iShares Morningstar Mid-Cap ETF.

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Answers cite the figures on this page.

IMCB costs 0.45 points a year less; their one-year returns differ by 7.0 points; COWG is 1.4 times larger.

COWG vs IMCB: Differences, Returns & Fees
COWGIMCB
Expense ratio0.49%0.04%
Net assets, as of Oct 2, 2026$2.4bn$1.7bn
Total return, 1 year+12.2%+19.2%
What it tracksPacer US Large Cap Cash Cows Growth Leaders IndexMorningstar US Mid Cap Index
Holdings in common8%
Top ten holdings, share of the fund28.4%7.9%
Below its high3.5%, high on Oct 9, 20263.3%, high on Aug 14, 2026

Holdings in common uses holdings dated Jul 31, 2026 and Oct 19, 2026.

+12.2%
COWG total return, 1 year
+19.2%
IMCB total return, 1 year
0.49%
COWG expense ratio
0.04%
IMCB expense ratio

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Client brief · page 1 of 2Report BR-86A1EECD5D

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

  1. What each follows. COWG follows Pacer US Large Cap Cash Cows Growth Leaders Index and IMCB follows Morningstar US Mid Cap Index.
  2. Holdings in common. 8% of the weight is in the same securities (holdings dated Jul 31, 2026 and Oct 19, 2026).
  3. One-year total return. Over 1 year to Oct 20, 2026 COWG returned +12.2% and IMCB +19.2% with distributions reinvested, a gap of 7.0 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, COWG and IMCB hold 8% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Oct 19, 2026.

half

8% in common

Positions both hold, largest shared weight first
Holding COWG IMCB
Fortinet Inc 2.36% 0.75%
Datadog Inc 2.05% 0.60%
Regeneron Pharmaceuticals Inc 0.59% 0.54%
Airbnb Inc 1.09% 0.49%
Autodesk Inc 0.49% 0.36%
Veeva Systems Inc 0.54% 0.33%
Astera Labs Inc 3.03% 0.31%
IDEXX Laboratories Inc 0.47% 0.29%
NetApp Inc 1.95% 0.28%
Workday Inc 0.48% 0.27%
Diamondback Energy Inc 1.26% 0.26%
Roper Technologies Inc 0.54% 0.26%
Only in COWG
Western Digital Corp 4.53%
Iridium Communications Inc 4.25%
Sandisk Corp 3.32%
Lam Research Corp 2.71%
Okta Inc 2.12%
Palo Alto Networks Inc 2.03%
KLA Corp 1.87%
Crowdstrike Holdings Inc 1.78%
Only in IMCB
MARATHON PETROLEUM 0.93%
DELL TECHNOLOGIES INC CLASS C 0.91%
VALERO ENERGY CORP 0.87%
PHILLIPS 66 0.81%
AUTOMATIC DATA PROCESSING INC 0.80%
SNOWFLAKE 0.74%
FREEPORT MCMORAN INC 0.70%
BANK OF NEW YORK MELLON CORP 0.67%

Check overlap with more funds →

On the same fields

COWG
Pacer US Large Cap Cash Cows Growth Leaders ETF
IMCB
iShares Morningstar Mid-Cap ETF
Where it sits Stock ETF Stock ETF
Issuer Pacer iShares
What it is Tracks an index Tracks an index
Total return, 1 year +12.2% +19.2%
Its benchmark over the same days +15.1% (IWB) not measured
Gap to its benchmark −2.8 pts vs IWB not measured
Expense ratio 0.49% 0.04%
Already in the S&P 500 65.3% 86.3%
Holdings 100 394
Net assets, COWG as of Oct 2, 2026 and IMCB as of Oct 20, 2026 $2.4bn $1.7bn

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

About COWG

COWG tracks an index. The prospectus expense ratio is 0.49% a year. By its holdings filed for Jul 31, 2026, 65% of the fund by weight is stocks the S&P 500 also holds, across 100 positions, with the top ten at 28.4%. It sat 3.5% below its high of Oct 9, 2026 on Oct 20, 2026.

Over the year to Oct 20, 2026 it returned +12.2% with distributions reinvested, against +15.1% for its benchmark, the Russell 1000 Index.

About IMCB

IMCB tracks an index. Over the year to Oct 20, 2026 it returned +19.2% with distributions reinvested. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 19, 2026, 86% of the fund by weight is stocks the S&P 500 also holds, across 394 positions, with the top ten at 7.9%. It sat 3.3% below its high of Aug 14, 2026 on Oct 20, 2026.

Questions people ask

Which returned more over the last year, COWG or IMCB?
In the year to Oct 20, 2026, with distributions reinvested, COWG returned +12.2% and IMCB +19.2%.
Which is cheaper, COWG or IMCB?
IMCB is cheaper, by 0.45 percentage points a year. That is about $45 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do COWG and IMCB overlap with the S&P 500?
By their latest filed holdings, 65% of COWG and 86% of IMCB by weight is stocks the S&P 500 already holds.
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ETFIQ, COWG against IMCB, data as of Oct 20, 2026. https://etfiq.com/compare/any/cowg-vs-imcb

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