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IVV vs USMC: Differences, Returns & Fees

IVV and USMC hold 45% of their weight in the same names, and IVV returned +17.3% over the year. Net assets: $896.4bn on Oct 9, 2026 for iShares Core S&P 500 ETF, and $5.2bn on Oct 8, 2026 for Principal U.S. Mega-Cap ETF.

IVV costs 0.09 points a year less; their one-year returns differ by 2.5 points; IVV is far larger, $891.8bn against $5.2bn.

IVV vs USMC: Differences, Returns & Fees
IVVUSMC
Expense ratio0.03%0.12%
Net assets, as of Oct 8, 2026$891.8bn$5.2bn
Total return, 1 year+17.3%+14.8%
What it tracksS&P 500No index, actively managed
Holdings in common45%
Top ten holdings, share of the fund39.0%54.3%

Holdings in common uses holdings dated Jun 30, 2026 and Oct 9, 2026.

+17.3%
IVV total return, 1 year
+14.8%
USMC total return, 1 year
0.03%
IVV expense ratio
0.12%
USMC expense ratio

What they hold in common

By the books each fund has filed, IVV and USMC hold 45% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Oct 9, 2026.

half

45% in common

Positions both hold, largest shared weight first
Holding IVV USMC
NVIDIA 8.23% 7.54%
APPLE 7.29% 6.63%
MICROSOFT 5.89% 4.30%
AMAZON.COM INC 3.82% 3.60%
ALPHABET CLASS A 3.06% 5.80%
BROADCOM INC 2.55% 4.77%
META PLATFORMS CLASS A 2.35% 3.51%
MICRON TECHNOLOGY 1.72% 8.75%
TESLA INC 1.60% 2.31%
BERKSHIRE HATHAWAY INC CLASS B 1.42% 3.10%
ELI LILLY 1.40% 2.52%
JPMORGAN CHASE & CO 1.31% 4.40%
Only in IVV
ALPHABET CLASS C 2.45%
ADVANCED MICRO DEVICES 1.47%
EXXONMOBIL HOLDINGS CORP 1.03%
INTEL CORPORATION 0.77%
PALANTIR TECHNOLOGIES CLASS A 0.71%
CISCO SYSTEMS INC 0.69%
APPLIED MATERIAL INC 0.60%
LAM RESEARCH 0.59%
Only in USMC
General Electric Co 3.41%
Exxon Mobil Corp 1.99%

Check overlap with more funds →

On the same fields

IVV
iShares Core S&P 500 ETF
USMC
Principal U.S. Mega-Cap ETF
Where it sits Stock ETF Stock ETF
Issuer iShares Principal
What it is Tracks the S&P 500 Actively managed
Total return, 1 year +17.3% +14.8%
Its benchmark over the same days +17.3% (SPY) +17.3% (VOO)
Gap to its benchmark +0.1 pts vs SPY −2.5 pts vs VOO
Expense ratio 0.03% 0.12%
Already in the S&P 500 99.8% 99.8%
Holdings 505 26
Net assets, IVV as of Oct 9, 2026 and USMC as of Oct 8, 2026 $896.4bn $5.2bn

IVV and USMC on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

About IVV

IVV tracks the S&P 500. Over the year to Oct 9, 2026 it returned +17.3% with distributions reinvested, against +17.3% for its benchmark, the S&P 500. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 9, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 505 positions, with the top ten at 39.0%.

About USMC

USMC is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +14.8% with distributions reinvested, against +17.3% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.12% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 26 positions, with the top ten at 54.3%.

Questions people ask

Which returned more over the last year, IVV or USMC?
In the year to Oct 9, 2026, with distributions reinvested, IVV returned +17.3% and USMC +14.8%.
Which is cheaper, IVV or USMC?
IVV is cheaper, by 0.09 percentage points a year. That is about $9 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do IVV and USMC overlap with the S&P 500?
By their latest filed holdings, 100% of IVV and 100% of USMC by weight is stocks the S&P 500 already holds.
Other comparisons
DFAU vs IVVAVUS vs IVVIVV vs SPMOCGDV vs IVVSPY vs USMCUSMC vs VOOUSMC vs VTIUSMC vs VV
IVV on its own →USMC on its own →Hold both: look the portfolio through →Rankings →Standards and sources →
Where these figures came from
IVV filings on SEC EDGAR ↗IVV prospectus with the expense ratio (SEC) ↗iShares page for IVV ↗USMC filings on SEC EDGAR ↗USMC prospectus with the expense ratio (SEC) ↗Principal website ↗

ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, IVV against USMC, data as of Oct 9, 2026. https://etfiq.com/compare/any/ivv-vs-usmc

Open data

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