IJK vs VXF: Holdings Overlap
IJKiShares S&P Mid-Cap 400 Growth ETF
iShares · 242 holdings · $11.0B · as of 2026-03-31
VXFVanguard Extended Market Index Fund
Vanguard · 3359 holdings · $32.2B · as of 2026-03-31
How similar are IJK and VXF?
iShares S&P Mid-Cap 400 Growth ETF (IJK, by iShares) holds 242 positions; Vanguard Extended Market Index Fund (VXF, by Vanguard) holds 3359. They have 242 holdings in common, and by portfolio weight the two funds are 29.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 29.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 242IJK holds 242 · VXF holds 3359
- Weight in Shared Holdings
- IJK 100%·VXF 29%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 IJK
Every position in IJK is also held by VXF, so it brings nothing the other fund doesn’t already own.
Only in VXF
3117 of 3359 positions (70.6% of the fund) are not held by IJK. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJK | VXF |
|---|---|---|
| Industrials | 31.3% | 19.5% |
| Information Technology | 17.3% | 16.3% |
| Financials | 7.2% | 15.0% |
| Health Care | 14.4% | 13.3% |
| Consumer Discretionary | 10.2% | 9.8% |
| Other Sectors | 19.4% | 23.6% |
| Unclassified | 0.0% | 2.4% |
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 IJK, 2% of VXF).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJK | +3.1% | +21.4% | +27.9% | +15.9% | +8.4% | +11.3% | 0.52% |
| VXF | +2.4% | +18.9% | +26.9% | +18.6% | +6.9% | +12.0% | 0.99% |
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 IJK vs VXF →
Shared Holdings(242)
The top 10 shared positions account for 11% of the overlap, led by FTI, CASY and UTHR.
 FTITechnipFMC PLC USD1 | 1.71% | 0.38% | 0.38% |
|---|---|---|---|
 CASYCasey'S General Stores Inc. COM | 1.65% | 0.37% | 0.37% |
 UTHRUnited Therapeutics Corporation COM | 1.57% | 0.35% | 0.35% |
 CWCurtiss-Wright Corporation | 1.54% | 0.34% | 0.34% |
 FLEXFlex Ltd. COM USD0.01 | 1.48% | 0.33% | 0.33% |
 XPOXPO Inc COM | 1.40% | 0.31% | 0.31% |
 WWDWoodward Inc. COM | 1.31% | 0.29% | 0.29% |
 RGLDRoyal Gold, Inc. COM | 1.26% | 0.28% | 0.28% |
 BURLBurlington Stores Inc. COM | 0.76% | 0.28% | 0.28% |
 ATIATI Inc COM | 1.21% | 0.27% | 0.27% |
 MTZMastec, Inc. COM | 1.21% | 0.27% | 0.27% |
 CRSCarpenter Technology Corporation COM | 1.20% | 0.27% | 0.27% |
 TWLOTwilio, Inc., Class A | 1.17% | 0.26% | 0.26% |
 NVTNVent Electric PLC COM USD0.01 | 1.17% | 0.26% | 0.26% |
 ILMNIllumina Inc COM | 0.62% | 0.26% | 0.26% |
 BWXTBWX Technologies Inc. COM | 1.15% | 0.26% | 0.26% |
 FNFabrinet COM USD0.01 | 1.15% | 0.26% | 0.26% |
 PEverpure, Inc., Class A | 1.14% | 0.25% | 0.25% |
 NXTNextpower Inc. CLASS A COM | 0.71% | 0.25% | 0.25% |
 ENTGEntegris Inc COM | 0.44% | 0.24% | 0.24% |
 RBARB Global Inc COM | 1.09% | 0.24% | 0.24% |
 RBCRBC Bearings Incorporated | 1.05% | 0.24% | 0.24% |
 THCTenet Healthcare Corporation COM NEW | 1.02% | 0.23% | 0.23% |
 ITTITT Inc COM | 1.00% | 0.22% | 0.22% |
 APGAPI Group Corp COM STK | 0.95% | 0.21% | 0.21% |
Frequently Asked Questions
How much do IJK and VXF overlap?
IJK and VXF overlap by 29.1% of portfolio weight. They share 242 holdings (IJK holds 242 positions and VXF holds 3359), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJK and VXF?
The two portfolios are 29.1% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IJK and VXF?
The largest positions held by both funds are FTI, CASY, UTHR, CW and FLEX. Together the top 10 shared positions account for 11% of the total overlap.
What does IJK own that VXF doesn't?
Nothing. Every position in IJK is also held by VXF. In the other direction, 3117 positions (70.6% of VXF) are unique to VXF.