BIV vs ZROZ: Holdings Overlap
BIVVanguard Intermediate-term Bond Index Fund
Vanguard · 2340 holdings · $28.9B · as of 2026-03-31
ZROZPIMCO 25+ Year Zero Coupon U.S. Treasury Index Exchange-Traded Fund
PIMCO · 20 holdings · $1.3B · as of 2026-03-31
How similar are BIV and ZROZ?
Vanguard Intermediate-term Bond Index Fund (BIV, by Vanguard) holds 2340 positions; PIMCO 25+ Year Zero Coupon U.S. Treasury Index Exchange-Traded Fund (ZROZ, by PIMCO) holds 20. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0BIV holds 2340 · ZROZ holds 20
- Weight in Shared Holdings
- BIV 0%·ZROZ 0%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 BIV
2340 of 2340 positions (98.8% of the fund) are not held by ZROZ. Showing the top 30 by weight.
- U.S. Treasury Notes2.29%
- U.S. Treasury Notes2.20%
- U.S. Treasury Notes2.19%
- U.S. Treasury Notes2.18%
- U.S. Treasury Notes2.06%
- U.S. Treasury Notes2.06%
Only in ZROZ
20 of 20 positions (99.9% of the fund) are not held by BIV.
- STRIP PRINC 02/53 0.000005.89%
- STRIP PRINC 08/52 0.000005.88%
- STRIP PRINC 11/52 0.000005.80%
- STRIP PRINC 02/51 0.000005.77%
- STRIP PRINC 02/52 0.000005.48%
- STRIP PRINC 02/55 0.000005.39%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| BIV | -0.2% | -0.3% | +2.0% | +4.6% | -0.1% | +1.7% | 4.31% |
| ZROZ | -3.6% | -5.8% | -5.8% | -6.0% | -13.9% | -5.2% | 5.51% |
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 BIV vs ZROZ →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do BIV and ZROZ overlap?
BIV and ZROZ overlap by 0.0% of portfolio weight. They share 0 holdings (BIV holds 2340 positions and ZROZ holds 20), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BIV and ZROZ?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does BIV own that ZROZ doesn't?
2340 positions (98.8% of BIV) are unique to BIV, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 20 positions (99.9% of ZROZ) are unique to ZROZ.