KOMP vs XMMO: Differences, Returns & Fees

KOMP and XMMO hold 2% of their weight in the same names, and XMMO returned +4.6% over the year. Net assets on Oct 20, 2026: $2.5bn for State Street SPDR S&P Kensho New Economies Composite ETF and $6.8bn for Invesco S&P MidCap Momentum ETF.

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Answers cite the figures on this page.

KOMP costs 0.14 points a year less; their one-year returns differ by 5.4 points; XMMO is 2.7 times larger.

KOMP vs XMMO: Differences, Returns & Fees
KOMPXMMO
Expense ratio0.20%0.34%
Net assets$2.5bn$6.8bn
Total return, 1 year−0.8%+4.6%
What it tracksS&P Kensho New Economies Composite IndexS&P MidCap 400 Momentum Index
Holdings in common2%
Top ten holdings, share of the fund10.9%29.4%
Below its high16.1%, high on Jun 2, 202619.0%, high on Jun 22, 2026

Holdings in common uses holdings dated Oct 19, 2026.

−0.8%
KOMP total return, 1 year
+4.6%
XMMO total return, 1 year
0.20%
KOMP expense ratio
0.34%
XMMO expense ratio

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Client brief · page 1 of 2Report BR-D9B4D68B98

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

  1. What each follows. KOMP follows S&P Kensho New Economies Composite Index and XMMO follows S&P MidCap 400 Momentum Index.
  2. Holdings in common. 2% of the weight is in the same securities (holdings dated Oct 19, 2026).
  3. One-year total return. Over 1 year to Oct 20, 2026 KOMP returned −0.8% and XMMO +4.6% with distributions reinvested, a gap of 5.4 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, KOMP and XMMO hold 2% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.

half

2% in common

Positions both hold, largest shared weight first
Holding KOMP XMMO
CARPENTER TECHNOLOGY 0.38% 2.14%
ATI INC 0.37% 4.17%
LATTICE SEMICONDUCTOR CORP 0.32% 1.98%
MOOG INC CLASS A 0.26% 1.62%
HEXCEL CORP 0.23% 0.82%
DARLING INGREDIENTS INC 0.21% 1.17%
BORGWARNER INC 0.15% 1.20%
TECHNIPFMC PLC 0.13% 4.31%
TTM TECHNOLOGIES 0.10% 1.03%
KRYSTAL BIOTECH INC 0.09% 1.28%
ROIVANT SCIENCES LTD 0.08% 3.57%
ARROWHEAD PHARMACEUTICALS IN 0.07% 1.53%
Only in KOMP
TWIST BIOSCIENCE CORP 1.58%
PTC INC 1.44%
3D SYSTEMS CORP 1.21%
ELBIT SYSTEMS LTD 1.07%
UNITY SOFTWARE INC 1.04%
BRUKER CORP 1.03%
HIMAX TECHNOLOGIES INC ADR 0.96%
AMBARELLA INC 0.88%
Only in XMMO
HF Sinclair Corp 3.02%
nVent Electric PLC 2.56%
TD SYNNEX Corp 2.55%
MKS Inc 2.52%
United Therapeutics Corp 2.36%
Jazz Pharmaceuticals PLC 2.17%
Reliance Inc 2.06%
BrightSpring Health Services Inc 1.98%

Check overlap with more funds →

On the same fields

KOMP
State Street SPDR S&P Kensho New Economies Composite ETF
XMMO
Invesco S&P MidCap Momentum ETF
Where it sits Stock ETF Stock ETF
What it is Tracks an index Tracks an index
Total return, 1 year −0.8% +4.6%
Its benchmark over the same days +15.9% (VOO) not measured
Gap to its benchmark −16.7 pts vs VOO not measured
Expense ratio 0.20% 0.34%
Already in the S&P 500 24.8% 0.0%
Holdings 503 79
Net assets $2.5bn $6.8bn

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

About KOMP

KOMP tracks an index. Over the year to Oct 20, 2026 it returned −0.8% with distributions reinvested, against +15.9% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 19, 2026, 25% of the fund by weight is stocks the S&P 500 also holds, across 503 positions, with the top ten at 10.9%. It sat 16.1% below its high of Jun 2, 2026 on Oct 20, 2026.

About XMMO

XMMO tracks an index. Over the year to Oct 20, 2026 it returned +4.6% with distributions reinvested. The prospectus expense ratio is 0.34% 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 79 positions, with the top ten at 29.4%. It sat 19.0% below its high of Jun 22, 2026 on Oct 20, 2026.

Questions people ask

Which returned more over the last year, KOMP or XMMO?
In the year to Oct 20, 2026, with distributions reinvested, KOMP returned −0.8% and XMMO +4.6%.
Which is cheaper, KOMP or XMMO?
KOMP is cheaper, by 0.14 percentage points a year. That is about $14 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do KOMP and XMMO overlap with the S&P 500?
By their latest filed holdings, 25% of KOMP and 0% of XMMO by weight is stocks the S&P 500 already holds.
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ETFIQ, KOMP against XMMO, data as of Oct 20, 2026. https://etfiq.com/compare/any/komp-vs-xmmo

Open data

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