IUSB vs VCIT: Holdings Overlap
IUSBiShares Core Universal USD Bond ETF
iShares · 17783 holdings · $43.2B · as of 2026-04-30
VCITVanguard Intermediate-term Corporate Bond Index Fund
Vanguard · 2302 holdings · $67.6B · as of 2026-05-31
Holdings snapshots are 31 days apart (IUSB: 2026-04-30, VCIT: 2026-05-31). 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 IUSB and VCIT?
iShares Core Universal USD Bond ETF (IUSB, by iShares) holds 17783 positions; Vanguard Intermediate-term Corporate Bond Index Fund (VCIT, by Vanguard) holds 2302. They have 2218 holdings in common, and by portfolio weight the two funds are 5.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 5.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2218IUSB holds 17783 · VCIT holds 2302
- Weight in Shared Holdings
- IUSB 6%·VCIT 97%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 IUSB
15565 of 17783 positions (92.8% of the fund) are not held by VCIT. Showing the top 30 by weight.
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.36%
- U.S. Treasury Notes0.36%
Only in VCIT
84 of 2302 positions (2.1% of the fund) are not held by IUSB. Showing the top 30 by weight.
- U.S. Treasury Notes0.18%
- Meta Platforms Inc0.15%
- HSBC Holdings PLC0.08%
- Blackrock Inc0.07%
- Eli Lilly & Co0.06%
- Ford Motor Credit Co LLC0.06%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IUSB | -0.2% | +0.3% | +2.8% | +4.7% | +0.2% | +1.8% | 4.28% |
| VCIT | -0.2% | -0.0% | +2.8% | +6.0% | +0.9% | +2.7% | 4.87% |
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 IUSB vs VCIT →
Shared Holdings(2218)
The top 10 shared positions account for 2% of the overlap, led by Meta Platforms, Inc., Bank of America Corp. and Bank of America Corp..
| Meta Platforms, Inc. | 0.02% | 0.27% | 0.02% |
|---|---|---|---|
| Bank of America Corp. | 0.01% | 0.20% | 0.01% |
| Bank of America Corp. | 0.01% | 0.27% | 0.01% |
| Bank of America Corp. | 0.01% | 0.14% | 0.01% |
| Pfizer Investment Enterprises Pte. Ltd. | 0.01% | 0.27% | 0.01% |
| Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc | 0.01% | 0.27% | 0.01% |
| JPMORGAN CHASE and CO 4.912%/VAR 07/25/2033 | 0.01% | 0.25% | 0.01% |
| Wells Fargo & Co. | 0.01% | 0.20% | 0.01% |
| Amgen, Inc. | 0.01% | 0.23% | 0.01% |
| Goldman Sachs Group, Inc. (The) | 0.01% | 0.23% | 0.01% |
| Bank of America Corp. | 0.01% | 0.14% | 0.01% |
| WELLS FARGO and CO NEW 4.897%/VAR 07/25/2033 | 0.01% | 0.12% | 0.01% |
| JPMorgan Chase & Co. | 0.01% | 0.24% | 0.01% |
| JPMORGAN CHASE and CO 5.572%/VAR 04/22/2036 | 0.01% | 0.19% | 0.01% |
| Wells Fargo & Co. | 0.01% | 0.18% | 0.01% |
| Bank of America Corp. | 0.01% | 0.21% | 0.01% |
| Bank of America Corp. | 0.01% | 0.11% | 0.01% |
| WELLS FARGO and CO NEW 5.605%/VAR 04/23/2036 | 0.01% | 0.18% | 0.01% |
| Bank of America Corp. | 0.01% | 0.22% | 0.01% |
| Wells Fargo & Co. | 0.01% | 0.17% | 0.01% |
| Wells Fargo & Co. | 0.01% | 0.16% | 0.01% |
| Verizon Communications, Inc. | 0.01% | 0.18% | 0.01% |
| Oracle Corp. | 0.01% | 0.20% | 0.01% |
| Meta Platforms, Inc. | 0.01% | 0.15% | 0.01% |
| Morgan Stanley | 0.01% | 0.19% | 0.01% |
Showing the top 250 of 2218 shared holdings by overlap weight.
Frequently Asked Questions
How much do IUSB and VCIT overlap?
IUSB and VCIT overlap by 5.5% of portfolio weight. They share 2218 holdings (IUSB holds 17783 positions and VCIT holds 2302), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSB and VCIT?
The two portfolios are 5.5% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IUSB and VCIT?
The largest positions held by both funds are Meta Platforms, Inc., Bank of America Corp., Bank of America Corp., Bank of America Corp. and Pfizer Investment Enterprises Pte. Ltd.. Together the top 10 shared positions account for 2% of the total overlap.
What does IUSB own that VCIT doesn't?
15565 positions (92.8% of IUSB) are unique to IUSB, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 84 positions (2.1% of VCIT) are unique to VCIT.