Which returned more over the last year, ITOT or SEIM?

In the year to Oct 9, 2026, with distributions reinvested, ITOT returned +16.8% and SEIM +22.3%.

Which is cheaper, ITOT or SEIM?

ITOT is cheaper, by 0.12 percentage points a year. That is about $12 on $10,000 held for a year. Fees come from each fund's prospectus.

How much do ITOT and SEIM overlap with the S&P 500?

By their latest filed holdings, 88% of ITOT and 89% of SEIM by weight is stocks the S&P 500 already holds.

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ITOT vs SEIM: Differences, Returns & Fees

ITOT and SEIM hold 27% of their weight in the same names, and SEIM returned +22.3% over the year. Net assets: $98.1bn on Oct 9, 2026 for iShares Core S&P Total U.S. Stock Market ETF, and $1.5bn on Jun 30, 2026 for SEI Enhanced U.S. Large Cap Momentum Factor ETF.

ITOT costs 0.12 points a year less; their one-year returns differ by 5.5 points; ITOT is far larger, $94.1bn against $1.5bn.

	ITOT	SEIM
Expense ratio	0.03%	0.15%
Net assets, as of Jun 30, 2026	$94.1bn	$1.5bn
Total return, 1 year	+16.8%	+22.3%
What it tracks	S&P Total U.S. Stock Market	No index, actively managed
Holdings in common	27%
Top ten holdings, share of the fund	34.8%	37.6%

Holdings in common uses holdings dated Jun 30, 2026 and Oct 8, 2026.

+16.8%

ITOT total return, 1 year

+22.3%

SEIM total return, 1 year

0.03%

ITOT expense ratio

0.15%

SEIM expense ratio

What they hold in common

By the books each fund has filed, ITOT and SEIM hold 27% 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 8, 2026.

50%

half

27% in common

Positions both hold, largest shared weight first

Holding ITOT SEIM

NVIDIA 7.43% 6.24%

APPLE 6.62% 2.90%

ALPHABET CLASS A 2.72% 7.00%

MICROSOFT 5.17% 2.66%

MICRON TECHNOLOGY 1.56% 2.98%

AMAZON.COM INC 3.32% 1.05%

VISA CLASS A 0.85% 2.84%

JOHNSON & JOHNSON 0.82% 2.48%

WALMART 0.66% 0.69%

PALANTIR TECHNOLOGIES CLASS A 0.61% 0.72%

CISCO SYSTEMS INC 0.60% 1.81%

BROADCOM INC 2.28% 0.55%

Only in ITOT

META PLATFORMS CLASS A 2.12%

TESLA INC 1.41%

ADVANCED MICRO DEVICES 1.35%

BERKSHIRE HATHAWAY INC CLASS B 1.27%

ELI LILLY 1.25%

JPMORGAN CHASE & CO 1.17%

EXXONMOBIL HOLDINGS CORP 0.92%

INTEL CORPORATION 0.71%

Only in SEIM

APPLIED MATERIALS, INC. 3.37%

NVENT ELECTRIC PUBLIC LIMITED COMPANY 1.77%

THE HERSHEY COMPANY 1.61%

INTERACTIVE BROKERS GROUP, INC. 0.56%

Samsara Inc (Pre-Reincorporation) 0.33%

Amer Sports, Inc 0.22%

Check overlap with more funds →

On the same fields

ITOT

iShares Core S&P Total U.S. Stock Market ETF

SEIM

SEI Enhanced U.S. Large Cap Momentum Factor ETF

Where it sits Stock ETF Stock ETF

Issuer iShares SEI

What it is Tracks the S&P Total U.S. Stock Market Actively managed

Total return, 1 year +16.8% +22.3%

S&P 500 over the same days +17.3% +17.3%

Gap to the S&P 500 −0.4 pts +5.0 pts

Expense ratio 0.03% 0.15%

Already in the S&P 500 88.1% 89.4%

Holdings 2458 71

Net assets, ITOT as of Oct 9, 2026 and SEIM as of Jun 30, 2026 $98.1bn $1.5bn

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

ITOT in plain words

ITOT tracks the S&P Total U.S. Stock Market. Over the year to Oct 9, 2026 it returned +16.8% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 8, 2026, 88% of the fund by weight is stocks the S&P 500 also holds, across 2,458 positions, with the top ten at 34.8%.

SEIM in plain words

SEIM is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +22.3% with distributions reinvested, against +17.3% for the S&P 500. The prospectus expense ratio is 0.15% a year. By its holdings filed for Jun 30, 2026, 89% of the fund by weight is stocks the S&P 500 also holds, across 71 positions, with the top ten at 37.6%.

Questions people ask

Which returned more over the last year, ITOT or SEIM?: In the year to Oct 9, 2026, with distributions reinvested, ITOT returned +16.8% and SEIM +22.3%.
Which is cheaper, ITOT or SEIM?: ITOT is cheaper, by 0.12 percentage points a year. That is about $12 on $10,000 held for a year. Fees come from each fund's prospectus.
How much do ITOT and SEIM overlap with the S&P 500?: By their latest filed holdings, 88% of ITOT and 89% of SEIM by weight is stocks the S&P 500 already holds.

Other comparisons

ITOT vs STXF ITOT vs QLC ITOT vs KLMN ITOT vs SPUS SEIM vs VIG SCHX vs SEIM SEIM vs VV SEIM vs SPYM

ITOT on its own →SEIM on its own →Hold both: look the portfolio through →Rankings →Standards and sources →

Where these figures came from

ITOT filings on SEC EDGAR ↗ITOT prospectus with the expense ratio (SEC) ↗iShares page for ITOT ↗SEIM filings on SEC EDGAR ↗SEIM prospectus with the expense ratio (SEC) ↗SEI 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, ITOT against SEIM, data as of Oct 9, 2026. https://etfiq.com/compare/any/itot-vs-seim

Open data

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