SPAB vs SPIB: Holdings Overlap
SPABState Street® SPDR® Portfolio Aggregate Bond ETF
State Street (SPDR) · 8489 holdings · $9.8B · as of 2026-08-06
SPIBState Street® SPDR® Portfolio Intermediate Term Corporate Bond ETF
State Street (SPDR) · 5248 holdings · $11.6B · as of 2026-08-06
How similar are SPAB and SPIB?
State Street® SPDR® Portfolio Aggregate Bond ETF (SPAB, by State Street (SPDR)) holds 8489 positions; State Street® SPDR® Portfolio Intermediate Term Corporate Bond ETF (SPIB, by State Street (SPDR)) holds 5248. They have 3672 holdings in common, and by portfolio weight the two funds are 15.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 15.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 3672SPAB holds 8489 · SPIB holds 5248
- Weight in Shared Holdings
- SPAB 16%·SPIB 94%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 SPAB
4817 of 8489 positions (83.2% of the fund) are not held by SPIB. Showing the top 30 by weight.
- US TREASURY N/B 12/28 3.50.77%
- US TREASURY N/B 11/28 4.3750.43%
- US TREASURY N/B 01/28 3.50.42%
- US TREASURY N/B 03/31 3.8750.41%
- US TREASURY N/B 11/34 4.250.38%
- US TREASURY N/B 12/27 3.3750.38%
Only in SPIB
1576 of 5248 positions (30.3% of the fund) are not held by SPAB. Showing the top 30 by weight.
- L3HARRIS TECH INC SR UNSECURED 06/31 5.250.23%
- NVIDIA CORP SR UNSECURED 06/29 4.350.23%
- NVIDIA CORP SR UNSECURED 06/31 4.50.15%
- CHARLES SCHWAB CORP SR UNSECURED 11/29 VAR0.11%
- GOLDMAN SACHS GROUP INC SR UNSECURED 10/31 VAR0.10%
- COMCAST CORP COMPANY GUAR 10/28 4.150.10%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPAB | -0.3% | +0.0% | +2.5% | +4.2% | -0.2% | +1.4% | 4.11% |
| SPIB | +0.1% | +0.7% | +3.1% | +5.8% | +1.7% | +2.7% | 4.49% |
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 SPAB vs SPIB →
Shared Holdings(3672)
The top 10 shared positions account for 2% of the overlap, led by AMAZON.COM INC SR UNSECURED 03/36 4.875, ANHEUSER BUSCH CO/INBEV COMPANY GUAR 02/36 4.7 and JPMORGAN CHASE + CO SR UNSECURED 01/33 VAR.
| AMAZON.COM INC SR UNSECURED 03/36 4.875 | 0.03% | 0.10% | 0.03% |
|---|---|---|---|
| ANHEUSER BUSCH CO/INBEV COMPANY GUAR 02/36 4.7 | 0.03% | 0.08% | 0.03% |
| JPMORGAN CHASE + CO SR UNSECURED 01/33 VAR | 0.03% | 0.06% | 0.03% |
| BANK OF AMERICA CORP SUBORDINATED 10/35 VAR | 0.03% | 0.06% | 0.03% |
| T MOBILE USA INC COMPANY GUAR 04/30 3.875 | 0.02% | 0.11% | 0.02% |
| WELLS FARGO + COMPANY SR UNSECURED 04/31 VAR | 0.02% | 0.06% | 0.02% |
| ALPHABET INC SR UNSECURED 02/36 4.8 | 0.02% | 0.04% | 0.02% |
| FORD MOTOR CREDIT CO LLC SR UNSECURED 05/36 6.467 | 0.02% | 0.03% | 0.02% |
| SPACE EXPLORATION TECH SR UNSECURED 144A 07/31 5.35 | 0.02% | 0.06% | 0.02% |
| GOLDMAN SACHS GROUP INC SR UNSECURED 07/32 VAR | 0.02% | 0.10% | 0.02% |
| ALPHABET INC SR UNSECURED 02/33 4.4 | 0.02% | 0.16% | 0.02% |
| BANK OF AMERICA CORP SR UNSECURED 05/36 VAR | 0.02% | 0.03% | 0.02% |
| META PLATFORMS INC SR UNSECURED 05/36 5.25 | 0.02% | 0.07% | 0.02% |
| HSBC HOLDINGS PLC SR UNSECURED 03/36 VAR | 0.02% | 0.04% | 0.02% |
| MORGAN STANLEY SR UNSECURED 10/33 VAR | 0.02% | 0.06% | 0.02% |
| CITIGROUP INC SR UNSECURED 03/36 VAR | 0.02% | 0.04% | 0.02% |
| SPACE EXPLORATION TECH SR UNSECURED 144A 07/36 5.875 | 0.02% | 0.16% | 0.02% |
| SPACE EXPLORATION TECH SR UNSECURED 144A 07/33 5.65 | 0.02% | 0.12% | 0.02% |
| BANK OF AMERICA CORP SR UNSECURED 12/28 VAR | 0.02% | 0.12% | 0.02% |
| GOLDMAN SACHS GROUP INC SUBORDINATED 02/41 VAR | 0.02% | 0.04% | 0.02% |
| CISCO SYSTEMS INC SR UNSECURED 02/34 5.05 | 0.02% | 0.04% | 0.02% |
| MORGAN STANLEY SR UNSECURED 04/30 VAR | 0.02% | 0.08% | 0.02% |
| MORGAN STANLEY SR UNSECURED 01/30 VAR | 0.02% | 0.09% | 0.02% |
| BANK OF AMERICA CORP SR UNSECURED 04/33 VAR | 0.02% | 0.07% | 0.02% |
| GOLDMAN SACHS GROUP INC SR UNSECURED 01/37 VAR | 0.02% | 0.08% | 0.02% |
Showing the top 250 of 3672 shared holdings by overlap weight.
Frequently Asked Questions
How much do SPAB and SPIB overlap?
SPAB and SPIB overlap by 15.7% of portfolio weight. They share 3672 holdings (SPAB holds 8489 positions and SPIB holds 5248), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPAB and SPIB?
The two portfolios are 15.7% 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 SPAB and SPIB?
The largest positions held by both funds are AMAZON.COM INC SR UNSECURED 03/36 4.875, ANHEUSER BUSCH CO/INBEV COMPANY GUAR 02/36 4.7, JPMORGAN CHASE + CO SR UNSECURED 01/33 VAR, BANK OF AMERICA CORP SUBORDINATED 10/35 VAR and T MOBILE USA INC COMPANY GUAR 04/30 3.875. Together the top 10 shared positions account for 2% of the total overlap.
What does SPAB own that SPIB doesn't?
4817 positions (83.2% of SPAB) are unique to SPAB, led by US TREASURY N/B 12/28 3.5, US TREASURY N/B 11/28 4.375 and US TREASURY N/B 01/28 3.5. In the other direction, 1576 positions (30.3% of SPIB) are unique to SPIB.