IJR vs VTI: how much do they really overlap?
IJR (iShares Core S&P Small-Cap ETF, tracking the S&P SmallCap 600) and VTI (Vanguard Total Stock Market ETF, tracking the CRSP US Total Market) overlap by roughly 0% by weight. 0 of IJR's top 10 holdings also appear in VTI. A 50/50 blend of the two behaves like about 224 equally-weighted bets (diversification grade A). In short, the two funds hold almost none of the same securities — they are complementary, not redundant.
The same companies, in both funds
These 0 holdings appear in both IJR and VTI. The weight columns show how much of each fund each name represents.
| Holding | in IJR | in VTI |
|---|
Only in IJR
iShares Core S&P Small-Cap ETF — US small-cap. Its biggest holdings that VTI doesn’t have:
| XTSLA BLK CSH FND TREASURY SL AGENCY | 1.96% |
| FORM FORMFACTOR INC | 0.67% |
| VSAT VIASAT INC | 0.66% |
| MOH MOLINA HEALTHCARE INC | 0.65% |
| AGX ARGAN INC | 0.60% |
| BTSG BRIGHTSPRING HEALTH SERVICES INC | 0.60% |
| ESI ELEMENT SOLUTIONS INC | 0.59% |
| MXL MAXLINEAR INC | 0.58% |
Only in VTI
Vanguard Total Stock Market ETF — total US market. Its biggest holdings that IJR doesn’t have:
| NVDA NVIDIA Corp. | 6.70% |
| AAPL Apple Inc. | 6.30% |
| MSFT Microsoft Corp. | 4.60% |
| AMZN Amazon.com Inc. | 3.60% |
| GOOGL Alphabet Inc. Class A | 3.05% |
| AVGO Broadcom Inc. | 2.91% |
| GOOG Alphabet Inc. Class C | 2.39% |
| META Facebook Inc. Class A | 1.90% |
So — essentially different. Should you hold both?
IJR and VTI hold almost none of the same securities — they are complementary, not redundant. Held together they genuinely broaden your exposure — a 50/50 blend reaches ~224 effective positions (grade A), because they hold largely different securities.
Holdings as of — IJR: Jun 30, 2026 (iShares (BlackRock)); VTI: May 31, 2026 (Vanguard). Refreshed monthly. Overlap is measured across each fund’s largest holdings (top 50); the diffuse long tail barely moves the math.
See this for YOUR whole portfolio, free →IJR vs VTI — FAQ
- How much do IJR and VTI overlap?
- IJR and VTI overlap by approximately 0% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 0 of IJR's 10 largest holdings are also held by VTI. They share 0 of their listed top holdings in total.
- Is it redundant to hold both IJR and VTI?
- Because they hold almost none of the same securities — they are complementary, not redundant, holding both is not redundant — each fund covers largely different holdings, so together they broaden your exposure. A 50/50 blend has an effective 224 positions and a A diversification grade.
- What does VTI hold that IJR doesn't?
- VTI's largest holdings that IJR doesn't hold include NVDA, AAPL, MSFT, AMZN, GOOGL. Its category is total US market, versus IJR's US small-cap.
- Which is more concentrated, IJR or VTI?
- IJR's top 10 holdings are 31% of its listed weight; VTI's are 61%. The more concentrated fund leans harder on its largest names.