VIOO
US Small CapVanguard S&P Small-Cap 600 Index Fund ETF Shares
Vanguard·Tracks S&P SmallCap 600 Index·Inception Sep 7, 2010
Composite score
Based on a 0.070% expense ratio.
Based on $6.45B in net assets.
Top-10 holdings represent 6.3% of net assets.
US Small Cap base · ETF wrapper · 1.15% TTM yield.
Tracking error vs. the largest catalog peer tracking the same index. Not yet part of the composite — see methodology.
The composite is a weighted average of the four core sub-scores above (cost, tax efficiency, liquidity, concentration). Missing sub-scores fall back to the per-category median when the category has at least 50% data coverage, so funds without (e.g.) parsed N-PORT holdings aren't accidentally boosted by renormalization. Tracking quality is shown where computable but isn't currently part of the composite weighting. Seemethodologyfor formulas, thetracking-qualitypartial-coverage rationale, and the dimensions we deliberatelydon't score(methodology v0.5.1).
Use VIOO in our tools
Tool · Look-through
See what VIOO actually holds, in a portfolio
Add your other funds and weights; every underlying position is summed across the basket.
Tool · Cost
Compare VIOO's fee against another fund
Compounds the 0.070% expense ratio against a peer over decades.
Tool · Overlap
Compare VIOO's holdings with peers
Pairwise holdings heatmap, pre-loaded with similar US Small Cap funds.
Tool · TLH
Find a tax-loss harvesting partner for VIOO
Ranks every catalog fund by holdings overlap, flags wash-sale risk.
Tool · Placement
Where should this fund live across your accounts?
Asset-location optimizer — places each fund in taxable / tax-deferred / Roth.
Top holdings
| # | Holding | Weight |
|---|---|---|
| 1 | Sanmina Corp | 0.83% |
| 2 | Semtech Corp | 0.83% |
| 3 | Viavi Solutions Inc | 0.66% |
| 4 | Viasat Inc | 0.64% |
| 5 | Lumen Technologies Inc | 0.61% |
| 6 | FormFactor Inc | 0.57% |
| 7 | Element Solutions Inc | 0.57% |
| 8 | Argan Inc | 0.54% |
| 9 | Enphase Energy Inc | 0.53% |
| 10 | Molina Healthcare Inc | 0.53% |
Compare VIOO with another fund
Or skim the closest-overlap funds below.
Similar ETFs by holdings overlap
- SPSMState Street SPDR Portfolio S&P 600 Small Cap ETF91.4% overlap
- IJRiShares Core S&P Small-Cap ETF90.2% overlap
- VIOVVanguard S&P Small-Cap 600 Value Index Fund ETF Shares64.2% overlap
- VIOGVanguard S&P Small-Cap 600 Growth Index Fund ETF Shares63.6% overlap
- IJSiShares S&P Small-Cap 600 Value ETF62.0% overlap
Open VIOO at a brokerage
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodologyand funding disclosure.