IJJ vs ITB: Holdings Overlap
IJJiShares S&P Mid-Cap 400 Value ETF
iShares · 301 holdings · $9.0B · as of 2026-03-31
ITBiShares U.S. Home Construction ETF
iShares · 46 holdings · $2.3B · as of 2026-03-31
How similar are IJJ and ITB?
iShares S&P Mid-Cap 400 Value ETF (IJJ, by iShares) holds 301 positions; iShares U.S. Home Construction ETF (ITB, by iShares) holds 46. They have 10 holdings in common, and by portfolio weight the two funds are 3.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 10IJJ holds 301 · ITB holds 46
- Weight in Shared Holdings
- IJJ 3%·ITB 18%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 IJJ
291 of 301 positions (95.7% of the fund) are not held by ITB. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJJ | ITB |
|---|---|---|
| Consumer Discretionary | 12.4% | 73.0% |
| Financials | 22.4% | 0.0% |
| Industrials | 19.0% | 20.8% |
| Materials | 8.2% | 6.0% |
| Real Estate | 8.2% | 0.0% |
| Other Sectors | 28.9% | 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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJJ | +3.0% | +15.1% | +23.8% | +12.8% | +9.2% | +10.5% | 1.56% |
| ITB | +1.3% | +5.4% | -1.5% | +5.3% | +8.1% | +14.1% | 0.64% |
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 IJJ vs ITB →
Shared Holdings(10)
The top 10 shared positions account for 100% of the overlap, led by TOL, OC and Taylor Morrison Home Corp COM.
 TOLToll Brothers, Inc. COM | 0.82% | 5.25% | 0.82% |
|---|---|---|---|
 OCOwens Corning COM | 0.57% | 1.98% | 0.57% |
| Taylor Morrison Home Corp COM | 0.36% | 2.31% | 0.36% |
 FNDFloor & Decor Holdings, Inc., Class A | 0.35% | 1.22% | 0.35% |
 UFPIUFP Industries Inc COM | 0.34% | 1.19% | 0.34% |
 TREXTrex Company, Inc. COM | 0.25% | 0.87% | 0.25% |
 SSDSimpson Manufacturing Co Inc. COM | 0.23% | 1.58% | 0.23% |
 KBHKB Home COM | 0.21% | 1.33% | 0.21% |
 EXPEagle Materials Inc. COM | 0.19% | 1.32% | 0.19% |
 FBINFortune Brands Innovations Inc COM | 0.13% | 1.04% | 0.13% |
Frequently Asked Questions
How much do IJJ and ITB overlap?
IJJ and ITB overlap by 3.5% of portfolio weight. They share 10 holdings (IJJ holds 301 positions and ITB holds 46), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJJ and ITB?
The two portfolios are 3.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IJJ and ITB?
The largest positions held by both funds are TOL, OC, Taylor Morrison Home Corp COM, FND and UFPI. Together the top 10 shared positions account for 100% of the total overlap.
What does IJJ own that ITB doesn't?
291 positions (95.7% of IJJ) are unique to IJJ, led by USFD, AA and OVV. In the other direction, 36 positions (81.7% of ITB) are unique to ITB.