IJR vs VIOG: Holdings Overlap
IJRiShares Core S&P Small-Cap ETF
iShares · 605 holdings · $113.4B · as of 2026-03-31
VIOGVanguard S&P Small-cap 600 Growth Index Fund
Vanguard · 342 holdings · $1.1B · as of 2026-05-31
Holdings snapshots are 61 days apart (IJR: 2026-03-31, VIOG: 2026-05-31). 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 IJR and VIOG?
iShares Core S&P Small-Cap ETF (IJR, by iShares) holds 605 positions; Vanguard S&P Small-cap 600 Growth Index Fund (VIOG, by Vanguard) holds 342. They have 333 holdings in common, and by portfolio weight the two funds are 59.8% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 59.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 333IJR holds 605 · VIOG holds 342
- Weight in Shared Holdings
- IJR 61%·VIOG 98%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 IJR
272 of 605 positions (37.2% of the fund) are not held by VIOG. Showing the top 30 by weight.
Only in VIOG
9 of 342 positions (1.9% of the fund) are not held by IJR.
Sector Breakdown
| Sector | IJR | VIOG |
|---|---|---|
| Industrials | 17.1% | 21.8% |
| Information Technology | 12.7% | 18.4% |
| Financials | 17.4% | 14.2% |
| Health Care | 11.1% | 14.7% |
| Consumer Discretionary | 13.2% | 10.8% |
| Other Sectors | 26.0% | 19.9% |
| Unclassified | 0.9% | 0.0% |
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 (1% of IJR, 0% of VIOG).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJR | +2.4% | +24.5% | +36.4% | +14.5% | +7.7% | +10.9% | 1.10% |
| VIOG | +1.1% | +25.9% | +33.8% | +15.2% | +6.8% | +11.2% | 0.75% |
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 IJR vs VIOG →
Shared Holdings(333)
The top 10 shared positions account for 8% of the overlap, led by ESI, PRIM and VIAV.
 ESIElement Solutions Inc COM | 0.51% | 0.57% | 0.51% |
|---|---|---|---|
 PRIMPrimoris Services Corp. COM | 0.50% | 0.80% | 0.50% |
 VIAVViavi Solutions Inc COM | 0.50% | 1.33% | 0.50% |
 AGXArgan Inc COM | 0.49% | 1.10% | 0.49% |
 FORMFormfactor Inc COM | 0.49% | 1.14% | 0.49% |
 ESEESCO Technologies Inc. COM | 0.48% | 0.89% | 0.48% |
 SMTCSemtech Corporation COM | 0.46% | 1.17% | 0.46% |
 AWIArmstrong World Industries, Inc. COM | 0.46% | 0.81% | 0.46% |
 SANMSanmina Corporation | 0.46% | 1.68% | 0.46% |
 KRYSKrystal Biotech Inc COM | 0.44% | 0.94% | 0.44% |
 ZWSZurn Elkay Water Solutions Corporation COM | 0.43% | 0.83% | 0.43% |
 JBTMJBT Marel Corp. COM | 0.43% | 0.83% | 0.43% |
 FSSFederal Signal Corp. COM | 0.43% | 0.77% | 0.43% |
 QRVOQorvo Inc COM | 0.43% | 0.65% | 0.43% |
 TRNOTerreno Realty Corporation COM | 0.42% | 0.57% | 0.42% |
 EPRTEssential Properties Realty Trust Inc. COM | 0.42% | 0.51% | 0.42% |
 VSATViaSat, Inc. COM | 0.41% | 1.30% | 0.41% |
 EATBrinker International, Inc. COM | 0.41% | 0.73% | 0.41% |
 PTGXProtagonist Therapeutics Inc COM | 0.40% | 0.69% | 0.40% |
 GKOSGlaukos Corp. COM | 0.40% | 0.48% | 0.40% |
 AROCArchrock Inc COM | 0.40% | 0.70% | 0.40% |
 ECGEverus Construction Group Inc. COM | 0.39% | 0.90% | 0.39% |
 IBPInstalled Building Products Inc COM | 0.39% | 0.56% | 0.39% |
 ALKSAlkermes PLC COM USD0.01 | 0.38% | 0.82% | 0.38% |
 RHPRyman Hospitality Properties Inc COM | 0.38% | 0.86% | 0.38% |
Showing the top 250 of 333 shared holdings by overlap weight.
Frequently Asked Questions
How much do IJR and VIOG overlap?
IJR and VIOG overlap by 59.8% of portfolio weight. They share 333 holdings (IJR holds 605 positions and VIOG holds 342), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJR and VIOG?
The two portfolios are 59.8% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IJR and VIOG?
The largest positions held by both funds are ESI, PRIM, VIAV, AGX and FORM. Together the top 10 shared positions account for 8% of the total overlap.
What does IJR own that VIOG doesn't?
272 positions (37.2% of IJR) are unique to IJR, led by EMN, LKQ and MTCH. In the other direction, 9 positions (1.9% of VIOG) are unique to VIOG.