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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MGK vs SPMO: how they differ

MGK and SPMO hold 37% of their weight in the same names, and SPMO returned more over the year.

Vanguard Mega Cap Growth Index Fund and Invesco S&P 500 Momentum ETF.

What they hold in common

By the books each fund has filed, MGK and SPMO hold 37% of their money in the same securities at the same weight.

Positions MGK and SPMO both hold, largest shared weight first
HoldingMGKSPMO
NVIDIA Corp13.29%8.46%
Alphabet Inc5.93%4.81%
Broadcom Inc4.28%7.58%
Alphabet Inc4.67%3.81%
Advanced Micro Devices Inc3.20%4.14%
Lam Research Corp1.93%3.54%
KLA Corp1.48%1.39%
Sandisk Corp1.28%2.46%
GE Vernova Inc1.21%1.33%
Applied Materials Inc1.13%1.77%
Intel Corp1.10%2.95%
Palantir Technologies Inc0.97%1.39%
Largest positions each one holds and the other does not
Only in MGKOnly in SPMO
Apple Inc 12.19%Micron Technology, Inc. 10.72%
Microsoft Corp 7.52%Johnson & Johnson 3.85%
Amazon.com Inc 4.47%Exxon Mobil Corp. 2.78%
Meta Platforms Inc 4.08%Caterpillar Inc. 2.60%
Tesla Inc 3.93%Cisco Systems, Inc. 2.02%
Eli Lilly & Co 3.41%General Electric Co. 1.63%
Visa Inc 1.82%Goldman Sachs Group, Inc. (The) 1.43%
Mastercard Inc 1.47%RTX Corp. 1.40%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and May 31, 2026.

MGK and SPMO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
MGK
Vanguard Mega Cap Growth Index Fund
SPMO
Invesco S&P 500 Momentum ETF
Where it sitsCore index fundCore index fund
IssuerVanguardInvesco
What it isMega Cap GrowthS&P 500 Momentum
Total return, 1 year+14.9%+24.5%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−2.6 pts+7.0 pts
Expense ratio0.07%0.13%
Already in the S&P 50099.2%100.0%
Holdings5699

MGK in plain words

MGK is an index equity fund tracking the Mega Cap Growth. Over the year to Sep 11, 2026 it returned +14.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings filed for Jun 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 56 positions, with the top ten at 63.8%.

SPMO in plain words

SPMO is an index equity fund tracking the S&P 500 Momentum. Over the year to Sep 11, 2026 it returned +24.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.13% a year. By its holdings filed for May 31, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 99 positions, with the top ten at 52.6%. It sat 8.3% below its high of Jun 22, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MGK or SPMO?
In the year to Sep 12, 2026, with distributions reinvested, MGK returned +14.9% and SPMO returned +24.5%, so SPMO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MGK or SPMO?
MGK charges 0.07% a year and SPMO charges 0.13%, so MGK is cheaper. Fees come from each fund's prospectus.
How much do MGK and SPMO overlap with the S&P 500?
By their latest filed holdings, 99% of MGK and 100% of SPMO by weight is stocks the S&P 500 already holds. Between the two funds, 37% of their books are the same securities at the same weight.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

MGK against SPMO, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, MGK against SPMO, data as of Sep 12, 2026. https://etfiq.com/compare/any/MGK-SPMO Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources