SPAB vs SPTL: Holdings Overlap
SPABState Street® SPDR® Portfolio Aggregate Bond ETF
State Street (SPDR) · 8489 holdings · $9.8B · as of 2026-08-06
SPTLState Street® SPDR® Portfolio Long Term Treasury ETF
State Street (SPDR) · 99 holdings · $10.8B · as of 2026-08-06
How similar are SPAB and SPTL?
State Street® SPDR® Portfolio Aggregate Bond ETF (SPAB, by State Street (SPDR)) holds 8489 positions; State Street® SPDR® Portfolio Long Term Treasury ETF (SPTL, by State Street (SPDR)) holds 99. They have 75 holdings in common, and by portfolio weight the two funds are 9.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 9.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 75SPAB holds 8489 · SPTL holds 99
- Weight in Shared Holdings
- SPAB 10%·SPTL 87%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
8414 of 8489 positions (89.5% of the fund) are not held by SPTL. 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 SPTL
24 of 99 positions (11.1% of the fund) are not held by SPAB.
- US TREASURY N/B 11/51 1.8751.20%
- US TREASURY N/B 05/50 1.250.90%
- US TREASURY N/B 11/49 2.3750.80%
- US TREASURY N/B 08/46 2.250.67%
- US TREASURY N/B 02/44 3.6250.64%
- US TREASURY N/B 08/43 3.6250.59%
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% |
| SPTL | -1.5% | -2.3% | -0.5% | +0.5% | -6.7% | -1.7% | 4.33% |
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 SPTL →
Shared Holdings(75)
The top 10 shared positions account for 26% of the overlap, led by US TREASURY N/B 02/56 4.75, US TREASURY N/B 02/46 4.625 and US TREASURY N/B 05/55 4.75.
| US TREASURY N/B 02/56 4.75 | 0.30% | 2.15% | 0.30% |
|---|---|---|---|
| US TREASURY N/B 02/46 4.625 | 0.29% | 1.30% | 0.29% |
| US TREASURY N/B 05/55 4.75 | 0.26% | 2.13% | 0.26% |
| US TREASURY N/B 02/55 4.625 | 0.26% | 2.11% | 0.26% |
| US TREASURY N/B 05/56 5 | 0.26% | 2.18% | 0.26% |
| US TREASURY N/B 02/45 4.75 | 0.24% | 1.31% | 0.24% |
| US TREASURY N/B 08/55 4.75 | 0.24% | 2.17% | 0.24% |
| US TREASURY N/B 05/46 5 | 0.24% | 1.38% | 0.24% |
| US TREASURY N/B 11/45 4.625 | 0.22% | 1.31% | 0.22% |
| US TREASURY N/B 11/54 4.5 | 0.22% | 2.08% | 0.22% |
| US TREASURY N/B 08/45 4.875 | 0.22% | 1.35% | 0.22% |
| US TREASURY N/B 02/54 4.25 | 0.21% | 1.97% | 0.21% |
| US TREASURY N/B 08/42 3.375 | 0.21% | 1.06% | 0.21% |
| US TREASURY N/B 11/55 4.625 | 0.20% | 2.10% | 0.20% |
| US TREASURY N/B 05/45 5 | 0.20% | 1.38% | 0.20% |
| US TREASURY N/B 11/43 4.75 | 0.20% | 1.34% | 0.20% |
| US TREASURY N/B 08/44 4.125 | 0.20% | 1.22% | 0.20% |
| US TREASURY N/B 05/42 3.25 | 0.20% | 0.98% | 0.20% |
| US TREASURY N/B 05/54 4.625 | 0.20% | 2.12% | 0.20% |
| US TREASURY N/B 11/53 4.75 | 0.20% | 2.05% | 0.20% |
| US TREASURY N/B 08/54 4.25 | 0.19% | 1.97% | 0.19% |
| US TREASURY N/B 05/41 2.25 | 0.19% | 1.09% | 0.19% |
| US TREASURY N/B 08/53 4.125 | 0.18% | 1.77% | 0.18% |
| US TREASURY N/B 02/44 4.5 | 0.17% | 1.29% | 0.17% |
| US TREASURY N/B 05/43 3.875 | 0.17% | 1.09% | 0.17% |
Frequently Asked Questions
How much do SPAB and SPTL overlap?
SPAB and SPTL overlap by 9.7% of portfolio weight. They share 75 holdings (SPAB holds 8489 positions and SPTL holds 99), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPAB and SPTL?
The two portfolios are 9.7% 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 SPTL?
The largest positions held by both funds are US TREASURY N/B 02/56 4.75, US TREASURY N/B 02/46 4.625, US TREASURY N/B 05/55 4.75, US TREASURY N/B 02/55 4.625 and US TREASURY N/B 05/56 5. Together the top 10 shared positions account for 26% of the total overlap.
What does SPAB own that SPTL doesn't?
8414 positions (89.5% 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, 24 positions (11.1% of SPTL) are unique to SPTL.