BIV vs SPTI: Holdings Overlap
BIVVanguard Intermediate-term Bond Index Fund
Vanguard · 2340 holdings · $28.9B · as of 2026-03-31
SPTIState Street® SPDR® Portfolio Intermediate Term Treasury ETF
State Street (SPDR) · 103 holdings · $10.6B · as of 2026-08-06
Holdings snapshots are 128 days apart (BIV: 2026-03-31, SPTI: 2026-08-06). 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 BIV and SPTI?
Vanguard Intermediate-term Bond Index Fund (BIV, by Vanguard) holds 2340 positions; State Street® SPDR® Portfolio Intermediate Term Treasury ETF (SPTI, by State Street (SPDR)) holds 103. 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 · SPTI holds 103
- Weight in Shared Holdings
- BIV 0%·SPTI 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 SPTI. 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 SPTI
103 of 103 positions (99.0% of the fund) are not held by BIV. Showing the top 30 by weight.
- US TREASURY N/B 02/35 4.6251.96%
- US TREASURY N/B 08/35 4.251.92%
- US TREASURY N/B 11/34 4.251.91%
- US TREASURY N/B 05/35 4.251.89%
- US TREASURY N/B 05/34 4.3751.87%
- US TREASURY N/B 02/34 41.84%
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% |
| SPTI | +0.1% | -0.3% | +1.7% | +3.8% | -0.1% | +1.3% | 3.89% |
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 SPTI →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do BIV and SPTI overlap?
BIV and SPTI overlap by 0.0% of portfolio weight. They share 0 holdings (BIV holds 2340 positions and SPTI holds 103), based on each fund's latest SEC-reported holdings.
Is it redundant to own both BIV and SPTI?
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 SPTI 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, 103 positions (99.0% of SPTI) are unique to SPTI.