ITB vs VBK: Holdings Overlap
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
VBKVanguard Small-cap Growth Index Fund
Vanguard · 551 holdings · $24.3B · as of 2026-03-31
How similar are ITB and VBK?
iShares U.S. Home Construction ETF (ITB, by iShares) holds 46 positions; Vanguard Small-cap Growth Index Fund (VBK, by Vanguard) holds 551. They have 9 holdings in common, and by portfolio weight the two funds are 2.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 9ITB holds 46 · VBK holds 551
- Weight in Shared Holdings
- ITB 18%·VBK 2%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 ITB
37 of 46 positions (81.9% of the fund) are not held by VBK. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITB | VBK |
|---|---|---|
| Consumer Discretionary | 73.0% | 9.9% |
| Industrials | 20.8% | 24.6% |
| Information Technology | 0.0% | 21.6% |
| Health Care | 0.0% | 16.1% |
| Financials | 0.0% | 6.1% |
| Other Sectors | 6.0% | 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 ITB, 1% of VBK).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ITB | +1.3% | +5.4% | -1.5% | +5.3% | +8.1% | +14.1% | 0.64% |
| 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 ITB vs VBK →
Shared Holdings(9)
The top 9 shared positions account for 100% of the overlap, led by LII, 28T and SSD.
 LIILennox International Inc. COM | 3.30% | 0.48% | 0.48% |
|---|---|---|---|
 28TTopbuild Corporation COM | 3.98% | 0.33% | 0.33% |
 SSDSimpson Manufacturing Co Inc. COM | 1.58% | 0.24% | 0.24% |
 IBPInstalled Building Products Inc COM | 2.44% | 0.20% | 0.20% |
 EXPEagle Materials Inc. COM | 1.32% | 0.20% | 0.20% |
 FNDFloor & Decor Holdings, Inc., Class A | 1.22% | 0.18% | 0.18% |
 SKYChampion Homes Inc. COM | 1.67% | 0.14% | 0.14% |
 TREXTrex Company, Inc. COM | 0.87% | 0.13% | 0.13% |
 CVCOCavco Industries, Inc. | 1.53% | 0.06% | 0.06% |
Frequently Asked Questions
How much do ITB and VBK overlap?
ITB and VBK overlap by 2.0% of portfolio weight. They share 9 holdings (ITB holds 46 positions and VBK holds 551), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITB and VBK?
The two portfolios are 2.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of ITB and VBK?
The largest positions held by both funds are LII, 28T, SSD, IBP and EXP. Together the top 9 shared positions account for 100% of the total overlap.
What does ITB own that VBK doesn't?
37 positions (81.9% of ITB) are unique to ITB, led by DHI, PHM and LEN. In the other direction, 542 positions (97.7% of VBK) are unique to VBK.