COWG vs VO: Differences, Returns & Fees

COWG and VO hold 9% of their weight in the same names. Net assets: $2.4bn on Oct 2, 2026 for Pacer US Large Cap Cash Cows Growth Leaders ETF, and $103.4bn on Sep 30, 2026 for Vanguard Morningstar Mid-Cap ETF.

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Answers cite the figures on this page.

VO costs 0.46 points a year less; their one-year returns differ by 0.2 points.

COWG vs VO: Differences, Returns & Fees
COWGVO
Expense ratio0.49%0.03%
Net assets, COWG as of Oct 2, 2026 and VO as of Sep 30, 2026$2.4bn$103.4bn
Total return, 1 year+12.2%+12.4%
What it tracksPacer US Large Cap Cash Cows Growth Leaders IndexMorningstar US Mid Cap Index (formerly CRSP US Mid Cap Index)
Holdings in common9%
Top ten holdings, share of the fund28.4%9.7%
Below its high3.5%, high on Oct 9, 20263.8%, high on Aug 14, 2026

Holdings in common uses holdings dated Jul 31, 2026 and Sep 30, 2026.

+12.2%
COWG total return, 1 year
+12.4%
VO total return, 1 year
0.49%
COWG expense ratio
0.03%
VO expense ratio

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Client brief · page 1 of 2Report BR-792E5F3EDF

COWG and VO 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 VO follows Morningstar US Mid Cap Index (formerly CRSP US Mid Cap Index).
  2. Holdings in common. 9% of the weight is in the same securities (holdings dated Jul 31, 2026 and Sep 30, 2026).
  3. Cost. COWG charges 0.49% of assets a year and VO 0.03%, a gap of 0.46 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 VO hold 9% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Sep 30, 2026.

half

9% in common

Positions both hold, largest shared weight first
Holding COWG VO
Datadog Inc 2.05% 0.91%
Newmont Corp 1.04% 0.60%
Fortinet Inc 2.36% 0.55%
Astera Labs Inc 3.03% 0.55%
Autodesk Inc 0.49% 0.44%
Veeva Systems Inc 0.54% 0.41%
NetApp Inc 1.95% 0.41%
IDEXX Laboratories Inc 0.47% 0.41%
Diamondback Energy Inc 1.26% 0.38%
Regeneron Pharmaceuticals Inc 0.59% 0.38%
Workday Inc 0.48% 0.37%
Roper Technologies Inc 0.54% 0.34%
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%
F5 Inc 1.96%
KLA Corp 1.87%
Only in VO
Cloudflare Inc 1.11%
Valero Energy Corp 1.10%
Marathon Petroleum Corp 1.10%
Phillips 66 1.01%
Quanta Services Inc 0.95%
Vertiv Holdings Co 0.92%
Howmet Aerospace Inc 0.89%
Robinhood Markets Inc 0.88%

Check overlap with more funds →

On the same fields

COWG
Pacer US Large Cap Cash Cows Growth Leaders ETF
VO
Vanguard Morningstar Mid-Cap ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index of Mid-Cap
Total return, 1 year +12.2% +12.4%
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% 0.03%
Already in the S&P 500 65.3% 91.1%
Holdings 100 273
Net assets, COWG as of Oct 2, 2026 and VO as of Sep 30, 2026 $2.4bn $103.4bn

COWG and VO 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 VO

VO tracks an index of Mid-Cap. Over the year to Oct 20, 2026 it returned +12.4% with distributions reinvested. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 273 positions, with the top ten at 9.7%. It sat 3.8% below its high of Aug 14, 2026 on Oct 20, 2026.

Questions people ask

Which returned more over the last year, COWG or VO?
In the year to Oct 20, 2026, with distributions reinvested, COWG returned +12.2% and VO +12.4%.
Which is cheaper, COWG or VO?
VO is cheaper, by 0.46 percentage points a year. That is about $46 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do COWG and VO overlap with the S&P 500?
By their latest filed holdings, 65% of COWG and 91% of VO by weight is stocks the S&P 500 already holds.
Cite this pageCitation, APA and Markdown

ETFIQ, COWG against VO, data as of Oct 20, 2026. https://etfiq.com/compare/any/cowg-vs-vo

Open data

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