HYG vs ISTB: Holdings Overlap
HYGiShares iBoxx $ High Yield Corporate Bond ETF
iShares · 1322 holdings · $17.4B · as of 2026-05-31
ISTBiShares Core 1-5 Year USD Bond ETF
iShares · 7059 holdings · $5.1B · as of 2026-04-30
Holdings snapshots are 31 days apart (HYG: 2026-05-31, ISTB: 2026-04-30). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are HYG and ISTB?
iShares iBoxx $ High Yield Corporate Bond ETF (HYG, by iShares) holds 1322 positions; iShares Core 1-5 Year USD Bond ETF (ISTB, by iShares) holds 7059. They have 780 holdings in common, and by portfolio weight the two funds are 4.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 780HYG holds 1322 · ISTB holds 7059
- Weight in Shared Holdings
- HYG 56%·ISTB 4%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 HYG
542 of 1322 positions (41.6% of the fund) are not held by ISTB. Showing the top 30 by weight.
- 1261229 BC Ltd0.54%
- Quikrete Holdings Inc0.33%
- Nexstar Media Inc0.30%
- Asurion LLC/ Asurion Co-Issuer Inc0.28%
- Asurion LLC/ Asurion Co-Issuer Inc0.28%
- CRC Insurance Group LLC0.28%
Only in ISTB
6279 of 7059 positions (94.2% of the fund) are not held by HYG. 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 |
|---|---|---|---|---|---|---|---|
| HYG | +0.3% | +2.2% | +5.2% | +8.3% | +3.8% | +4.7% | 5.89% |
| 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 HYG vs ISTB →
Shared Holdings(780)
The top 10 shared positions account for 5% of the overlap, led by EchoStar Corp, SV RNO Property Owner 1 LLC and Cloud Software Group Inc.
| EchoStar Corp | 0.44% | 0.04% | 0.04% |
|---|---|---|---|
| SV RNO Property Owner 1 LLC | 0.30% | 0.02% | 0.02% |
| Cloud Software Group Inc | 0.33% | 0.02% | 0.02% |
| Cloud Software Group Inc | 0.34% | 0.02% | 0.02% |
| DISH Network Corp | 0.32% | 0.02% | 0.02% |
| WULF Compute LLC | 0.26% | 0.02% | 0.02% |
| HUB International Ltd | 0.29% | 0.02% | 0.02% |
| Venture Global LNG Inc | 0.28% | 0.02% | 0.02% |
| American Airlines Inc/AAdvantage Loyalty IP Ltd | 0.26% | 0.02% | 0.02% |
| EMRLD Borrower LP / Emerald Co-Issuer Inc | 0.26% | 0.02% | 0.02% |
| CCO Holdings LLC / CCO Holdings Capital Corp | 0.23% | 0.02% | 0.02% |
| 1011778 BC ULC / New Red Finance Inc | 0.24% | 0.02% | 0.02% |
| Mauser Packaging Solutions Holding Co | 0.21% | 0.02% | 0.02% |
| CCO Holdings LLC / CCO Holdings Capital Corp | 0.22% | 0.02% | 0.02% |
| TransDigm Inc | 0.23% | 0.02% | 0.02% |
| Neptune Bidco US Inc | 0.22% | 0.02% | 0.02% |
| DaVita Inc | 0.25% | 0.02% | 0.02% |
| APLD ComputeCo LLC | 0.22% | 0.02% | 0.02% |
| CCO Holdings LLC / CCO Holdings Capital Corp | 0.22% | 0.02% | 0.02% |
| DISH DBS Corp | 0.22% | 0.02% | 0.02% |
| CVS Health Corp | 0.18% | 0.02% | 0.02% |
| Allied Universal Holdco LLC | 0.20% | 0.02% | 0.02% |
| CCO Holdings LLC / CCO Holdings Capital Corp | 0.21% | 0.02% | 0.02% |
| Nissan Motor Co Ltd | 0.21% | 0.02% | 0.02% |
| Venture Global LNG Inc | 0.18% | 0.02% | 0.02% |
Showing the top 250 of 780 shared holdings by overlap weight.
Frequently Asked Questions
How much do HYG and ISTB overlap?
HYG and ISTB overlap by 4.4% of portfolio weight. They share 780 holdings (HYG holds 1322 positions and ISTB holds 7059), based on each fund's latest SEC-reported holdings.
Is it redundant to own both HYG and ISTB?
The two portfolios are 4.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of HYG and ISTB?
The largest positions held by both funds are EchoStar Corp, SV RNO Property Owner 1 LLC, Cloud Software Group Inc, Cloud Software Group Inc and DISH Network Corp. Together the top 10 shared positions account for 5% of the total overlap.
What does HYG own that ISTB doesn't?
542 positions (41.6% of HYG) are unique to HYG, led by 1261229 BC Ltd, Quikrete Holdings Inc and Nexstar Media Inc. In the other direction, 6279 positions (94.2% of ISTB) are unique to ISTB.