PlainIndex

ETF comparison

IWS vs VOO

US Mid Cap vs US Large Cap.

iShares Russell Mid-Cap Value ETF · Vanguard S&P 500 ETF

Holdings overlap

0.0 %

0 positions appear in both funds. Buying equal dollars of IWS and VOO would leave roughly 0.0% of each dollar exposed to the same underlying securities.

IWS only 0.0% Shared 0.0% VOO only 0.0%
In IWS only
0 positions
Shared
0 positions
In VOO only
0 positions

Holdings data for IWS covers 0.0% of fund weight. The remainder lacks matchable identifiers in the N-PORT filing.

Holdings data for VOO covers 0.0% of fund weight. The remainder lacks matchable identifiers in the N-PORT filing.

Side by side

IWS

iShares Russell Mid-Cap Value ETF

iShares · US Mid Cap

86 composite / 100
Expense ratio
0.23%
Net assets
$14.93B
TTM yield
1.38%
Top-10 conc.
—
VOO

Vanguard S&P 500 ETF

Vanguard · US Large Cap

95 composite / 100
Expense ratio
0.030%
Net assets
$1.60T
TTM yield
1.08%
Top-10 conc.
—

Sub-score comparison

77
Cost
97
85
Tax efficiency
86
100
Liquidity
100
N/A
Concentration
N/A
—
Tracking quality
—
IWS sub-score VOO

Tracking-quality sub-score is not yet computed for any fund — see methodology for which inputs are live.

Cost difference

VOO is 20 bps cheaper than IWS. On a $100,000 position that's about $200/yr more in fees for IWS.

Fee figure is the annual expense charged on $100,000. It compounds over time — we publish a fuller cost-projection calculator on the methodology page.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in IWS

0 total

Every IWS position is also held by VOO.

Only in VOO

0 total

Every VOO position is also held by IWS.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.