IJK vs VBK: Holdings Overlap
IJKiShares S&P Mid-Cap 400 Growth ETF
iShares · 242 holdings · $11.0B · as of 2026-03-31
VBKVanguard Small-cap Growth Index Fund
Vanguard · 551 holdings · $24.3B · as of 2026-03-31
How similar are IJK and VBK?
iShares S&P Mid-Cap 400 Growth ETF (IJK, by iShares) holds 242 positions; Vanguard Small-cap Growth Index Fund (VBK, by Vanguard) holds 551. They have 138 holdings in common, and by portfolio weight the two funds are 39.7% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 39.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 138IJK holds 242 · VBK holds 551
- Weight in Shared Holdings
- IJK 66%·VBK 40%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
104 of 242 positions (33.8% of the fund) are not held by VBK. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJK | VBK |
|---|---|---|
| Industrials | 31.3% | 24.6% |
| Information Technology | 17.3% | 21.6% |
| Health Care | 14.4% | 16.1% |
| Consumer Discretionary | 10.2% | 9.9% |
| Financials | 7.2% | 6.1% |
| Other Sectors | 19.4% | 20.6% |
| 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 IJK, 1% of VBK).
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% |
| VBK | +1.8% | +19.6% | +29.4% | +16.6% | +5.3% | +11.4% | 0.42% |
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 VBK →
Shared Holdings(138)
The top 10 shared positions account for 18% of the overlap, led by FTI, CASY and CW.
 FTITechnipFMC PLC USD1 | 1.71% | 0.92% | 0.92% |
|---|---|---|---|
 CASYCasey'S General Stores Inc. COM | 1.65% | 0.90% | 0.90% |
 CWCurtiss-Wright Corporation | 1.54% | 0.84% | 0.84% |
 RGLDRoyal Gold, Inc. COM | 1.26% | 0.72% | 0.72% |
 WWDWoodward Inc. COM | 1.31% | 0.71% | 0.71% |
 MTZMastec, Inc. COM | 1.21% | 0.68% | 0.68% |
 ATIATI Inc COM | 1.21% | 0.66% | 0.66% |
 NVTNVent Electric PLC COM USD0.01 | 1.17% | 0.64% | 0.64% |
 TWLOTwilio, Inc., Class A | 1.17% | 0.64% | 0.64% |
 BWXTBWX Technologies Inc. COM | 1.15% | 0.62% | 0.62% |
 FNFabrinet COM USD0.01 | 1.15% | 0.62% | 0.62% |
 CRSCarpenter Technology Corporation COM | 1.20% | 0.62% | 0.62% |
 PEverpure, Inc., Class A | 1.14% | 0.62% | 0.62% |
 RBARB Global Inc COM | 1.09% | 0.59% | 0.59% |
 RBCRBC Bearings Incorporated | 1.05% | 0.57% | 0.57% |
 NXTNextpower Inc. CLASS A COM | 0.71% | 0.57% | 0.57% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 0.88% | 0.50% | 0.50% |
 TLNTalen Energy Corporation COM | 0.89% | 0.49% | 0.49% |
 LECOLincoln Electric Holdings Inc. COM | 0.57% | 0.46% | 0.46% |
 CLHClean Harbors, Inc. COM | 0.45% | 0.46% | 0.45% |
 OKTAOkta Inc. Class A | 0.82% | 0.44% | 0.44% |
 NBIXNeurocrine Biosciences Inc COM | 0.81% | 0.44% | 0.44% |
 GGGGraco Inc COM | 0.44% | 0.47% | 0.44% |
 ENTGEntegris Inc COM | 0.44% | 0.59% | 0.44% |
 KTOSKratos Defense & Security Solutions, Inc. COM NEW | 0.80% | 0.43% | 0.43% |
Frequently Asked Questions
How much do IJK and VBK overlap?
IJK and VBK overlap by 39.7% of portfolio weight. They share 138 holdings (IJK holds 242 positions and VBK holds 551), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJK and VBK?
The two portfolios are 39.7% 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 IJK and VBK?
The largest positions held by both funds are FTI, CASY, CW, RGLD and WWD. Together the top 10 shared positions account for 18% of the total overlap.
What does IJK own that VBK doesn't?
104 positions (33.8% of IJK) are unique to IJK, led by UTHR, FLEX and THC. In the other direction, 413 positions (59.2% of VBK) are unique to VBK.