VIOO vs IJS: Holdings Overlap
VIOOVanguard S&P Small-cap 600 Index Fund
Vanguard · 603 holdings · $4.4B · as of 2026-05-31
IJSiShares S&P Small-Cap 600 Value ETF
iShares · 458 holdings · $8.4B · as of 2026-03-31
Holdings snapshots are 61 days apart (VIOO: 2026-05-31, IJS: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are VIOO and IJS?
Vanguard S&P Small-cap 600 Index Fund (VIOO, by Vanguard) holds 603 positions; iShares S&P Small-Cap 600 Value ETF (IJS, by iShares) holds 458. They have 449 holdings in common, and by portfolio weight the two funds are 61.4% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 61.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 449VIOO holds 603 · IJS holds 458
- Weight in Shared Holdings
- VIOO 67%·IJS 97%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in VIOO
154 of 603 positions (32.4% of the fund) are not held by IJS. Showing the top 30 by weight.
Sector Breakdown
| Sector | VIOO | IJS |
|---|---|---|
| Financials | 17.6% | 20.6% |
| Industrials | 17.2% | 12.4% |
| Information Technology | 15.9% | 9.8% |
| Consumer Discretionary | 12.9% | 15.4% |
| Health Care | 11.0% | 7.2% |
| Other Sectors | 25.2% | 32.1% |
| Unclassified | 0.0% | 0.9% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (0% of VIOO, 1% of IJS).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| VIOO | +2.4% | +24.4% | +36.3% | +14.6% | +7.7% | +10.9% | 1.09% |
| IJS | +3.6% | +23.1% | +39.5% | +13.6% | +8.2% | +10.2% | 1.29% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in VIOO vs IJS →
Shared Holdings(449)
The top 10 shared positions account for 8% of the overlap, led by ENPH, MOH and EMN.
 ENPHEnphase Energy Inc COM | 0.53% | 0.64% | 0.53% |
|---|---|---|---|
 MOHMolina Healthcare, Inc. COM | 0.53% | 0.88% | 0.53% |
 EMNEastman Chemical Company COM | 0.51% | 1.12% | 0.51% |
 MTCHMatch Group Inc COM | 0.50% | 0.93% | 0.50% |
 ESIElement Solutions Inc COM | 0.57% | 0.50% | 0.50% |
 LUMNLumen Technologies Inc COM | 0.61% | 0.46% | 0.46% |
 JXNJackson Financial, Inc., Class A | 0.43% | 0.66% | 0.43% |
 SMSM Energy Co. COM | 0.41% | 0.91% | 0.41% |
 LKQLKQ Corporation COM | 0.41% | 0.97% | 0.41% |
 PAYCPaycom Software Inc COM | 0.40% | 0.77% | 0.40% |
 PLXSPlexus Corp COM | 0.42% | 0.39% | 0.39% |
 KMXCarmax Inc COM | 0.37% | 0.76% | 0.37% |
 VSNTVersant Media Group Inc. COM CL A | 0.37% | 0.69% | 0.37% |
 LWLamb Weston Holdings Inc COM | 0.35% | 0.76% | 0.35% |
 LNCLincoln National Corp. COM | 0.35% | 0.70% | 0.35% |
 CZRCaesars Entertainment Inc. COM | 0.35% | 0.70% | 0.35% |
 NENoble Corporation PLC ORD SHS A | 0.34% | 0.37% | 0.34% |
 CECelanese Corporation COM | 0.34% | 0.93% | 0.34% |
| Gates Industrial Corp PLC COM USD0.01 | 0.39% | 0.34% | 0.34% |
 TFXTeleflex Incorporated COM | 0.33% | 0.68% | 0.33% |
 MATXMatson Inc COM | 0.33% | 0.66% | 0.33% |
 MHKMohawk Industries, Inc. COM | 0.33% | 0.66% | 0.33% |
 AUBAtlantic Union Bankshares Corp COM | 0.31% | 0.65% | 0.31% |
 KLICKulicke and Soffa Industries, Inc. COM | 0.31% | 0.44% | 0.31% |
 QRVOQorvo Inc COM | 0.51% | 0.31% | 0.31% |
Showing the top 250 of 449 shared holdings by overlap weight.
Frequently Asked Questions
How much do VIOO and IJS overlap?
VIOO and IJS overlap by 61.4% of portfolio weight. They share 449 holdings (VIOO holds 603 positions and IJS holds 458), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VIOO and IJS?
The two portfolios are 61.4% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of VIOO and IJS?
The largest positions held by both funds are ENPH, MOH, EMN, MTCH and ESI. Together the top 10 shared positions account for 8% of the total overlap.
What does VIOO own that IJS doesn't?
154 positions (32.4% of VIOO) are unique to VIOO, led by SANM, VIAV and VSAT. In the other direction, 9 positions (1.7% of IJS) are unique to IJS.