EMB vs ISTB: Holdings Overlap
EMBiShares J.P. Morgan USD Emerging Markets Bond ETF
iShares · 675 holdings · $14.7B · as of 2026-04-30
ISTBiShares Core 1-5 Year USD Bond ETF
iShares · 7059 holdings · $5.1B · as of 2026-04-30
How similar are EMB and ISTB?
iShares J.P. Morgan USD Emerging Markets Bond ETF (EMB, by iShares) holds 675 positions; iShares Core 1-5 Year USD Bond ETF (ISTB, by iShares) holds 7059. They have 204 holdings in common, and by portfolio weight the two funds are 2.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 204EMB holds 675 · ISTB holds 7059
- Weight in Shared Holdings
- EMB 29%·ISTB 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 EMB
471 of 675 positions (68.8% of the fund) are not held by ISTB. Showing the top 30 by weight.
- Argentina Republic Government International Bonds1.10%
- Ecuador Government International Bonds0.77%
- Argentina Republic Government International Bonds0.63%
- Ghana Government International Bonds0.52%
- Argentina Republic Government International Bonds0.52%
- Uruguay Government International Bonds0.51%
Only in ISTB
6855 of 7059 positions (96.2% of the fund) are not held by EMB. Showing the top 30 by weight.
- U.S. Treasury Notes0.99%
- U.S. Treasury Notes0.98%
- U.S. Treasury Notes0.96%
- U.S. Treasury Notes0.91%
- U.S. Treasury Notes0.89%
- U.S. Treasury Notes0.86%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| EMB | -0.3% | +2.0% | +7.3% | +9.0% | +1.8% | +2.9% | 5.12% |
| ISTB | +0.3% | +1.0% | +3.0% | +5.0% | +1.9% | +2.3% | 4.27% |
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 EMB vs ISTB →
Shared Holdings(204)
The top 10 shared positions account for 17% of the overlap, led by Argentina Republic Government International Bonds, Eagle Funding Luxco Sarl and Saudi Government International Bond.
| Argentina Republic Government International Bonds | 0.71% | 0.11% | 0.11% |
|---|---|---|---|
| Eagle Funding Luxco Sarl | 0.50% | 0.08% | 0.08% |
| Saudi Government International Bond | 0.21% | 0.03% | 0.03% |
| Saudi Government International Bonds | 0.21% | 0.03% | 0.03% |
| Abu Dhabi Government International Bonds | 0.13% | 0.03% | 0.03% |
| Turkiye Government International Bonds | 0.22% | 0.03% | 0.03% |
| Saudi Government International Bonds | 0.13% | 0.03% | 0.03% |
| Saudi Government International Bond | 0.17% | 0.03% | 0.03% |
| Petroleos Mexicanos | 0.15% | 0.02% | 0.02% |
| Turkiye Government International Bonds | 0.18% | 0.02% | 0.02% |
| Saudi Government International Bonds | 0.13% | 0.02% | 0.02% |
| Argentina Republic Government International Bonds | 0.11% | 0.02% | 0.02% |
| Saudi Government International Bonds | 0.14% | 0.02% | 0.02% |
| China Government International Bond | 0.25% | 0.02% | 0.02% |
| Brazil Government International Bonds | 0.27% | 0.02% | 0.02% |
| Abu Dhabi Government International Bonds | 0.11% | 0.02% | 0.02% |
| Philippines Government International Bonds | 0.24% | 0.02% | 0.02% |
| Turkiye Government International Bonds | 0.16% | 0.02% | 0.02% |
| Hazine Mustesarligi Varlik Kiralama AS | 0.15% | 0.02% | 0.02% |
| Suci Second Investment Co. | 0.10% | 0.02% | 0.02% |
| Republic of Poland Government International Bonds | 0.32% | 0.02% | 0.02% |
| Brazilian Government International Bond | 0.18% | 0.02% | 0.02% |
| Petroleos Mexicanos | 0.10% | 0.02% | 0.02% |
| KSA Sukuk Ltd. | 0.11% | 0.02% | 0.02% |
| Gaci First Investment Co. | 0.10% | 0.02% | 0.02% |
Frequently Asked Questions
How much do EMB and ISTB overlap?
EMB and ISTB overlap by 2.4% of portfolio weight. They share 204 holdings (EMB holds 675 positions and ISTB holds 7059), based on each fund's latest SEC-reported holdings.
Is it redundant to own both EMB and ISTB?
The two portfolios are 2.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of EMB and ISTB?
The largest positions held by both funds are Argentina Republic Government International Bonds, Eagle Funding Luxco Sarl, Saudi Government International Bond, Saudi Government International Bonds and Abu Dhabi Government International Bonds. Together the top 10 shared positions account for 17% of the total overlap.
What does EMB own that ISTB doesn't?
471 positions (68.8% of EMB) are unique to EMB, led by Argentina Republic Government International Bonds, Ecuador Government International Bonds and Argentina Republic Government International Bonds. In the other direction, 6855 positions (96.2% of ISTB) are unique to ISTB.