SPMB vs VCSH: Holdings Overlap
SPMBState Street® SPDR® Portfolio Mortgage Backed Bond ETF
State Street (SPDR) · 2714 holdings · $7.0B · as of 2026-08-06
VCSHVanguard Short-term Corporate Bond Index Fund
Vanguard · 3000 holdings · $45.0B · as of 2026-05-31
Holdings snapshots are 67 days apart (SPMB: 2026-08-06, VCSH: 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 SPMB and VCSH?
State Street® SPDR® Portfolio Mortgage Backed Bond ETF (SPMB, by State Street (SPDR)) holds 2714 positions; Vanguard Short-term Corporate Bond Index Fund (VCSH, by Vanguard) holds 3000. 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
- 0SPMB holds 2714 · VCSH holds 3000
- Weight in Shared Holdings
- SPMB 0%·VCSH 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 SPMB
2714 of 2714 positions (98.5% of the fund) are not held by VCSH. Showing the top 30 by weight.
- FED HM LN PC POOL RQ0094 FR 02/56 FIXED 51.15%
- FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE0.91%
- FNMA POOL MA4547 FN 02/52 FIXED 20.77%
- FNMA TBA 30 YR 5 SINGLE FAMILY MORTGAGE0.76%
- FED HM LN PC POOL RQ0041 FR 08/55 FIXED 60.74%
- FED HM LN PC POOL SD8212 FR 05/52 FIXED 2.50.60%
Only in VCSH
3000 of 3000 positions (97.9% of the fund) are not held by SPMB. Showing the top 30 by weight.
- US TREASURY N/B0.83%
- Bank of America Corp.0.23%
- AbbVie, Inc.0.21%
- CVS Health Corp.0.20%
- T-Mobile USA, Inc.0.19%
- Boeing Co. (The)0.19%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPMB | -0.1% | +0.5% | +3.9% | +4.7% | +0.2% | +1.2% | 4.15% |
| VCSH | +0.3% | +1.2% | +3.4% | +5.5% | +2.4% | +2.7% | 4.46% |
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 SPMB vs VCSH →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do SPMB and VCSH overlap?
SPMB and VCSH overlap by 0.0% of portfolio weight. They share 0 holdings (SPMB holds 2714 positions and VCSH holds 3000), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPMB and VCSH?
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 SPMB own that VCSH doesn't?
2714 positions (98.5% of SPMB) are unique to SPMB, led by FED HM LN PC POOL RQ0094 FR 02/56 FIXED 5, FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE and FNMA POOL MA4547 FN 02/52 FIXED 2. In the other direction, 3000 positions (97.9% of VCSH) are unique to VCSH.