ETF and Mutual Fund Analysis

Holdings as of August 12, 2026

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > SPAB vs SPTI Holdings as of August 12, 2026

SPAB vs SPTI: Portfolio Overlap

State Street(R) SPDR(R) Portfolio Aggregate Bond ETF vs State Street(R) SPDR(R) Portfolio Intermediate Term Treasury ETF

19.5%
Weighted portfolio overlap
Low Overlap

Low Overlap. The two portfolios have highly distinct allocations: little of the weight sits in the same stocks.

SPAB
8548 equity holdings
as of August 12, 2026
SPTI
104 equity holdings
as of August 12, 2026
96 stocks held in common
Overlap View Venn Diagram
19.5% OVERLAP SPAB SPTI
Overlapping Holdings
10 Top 10 of 96 shared, by overlap contribution
# Stock SPAB SPTI Overlap%
1
US TREASURY N/B 12/30 3.625
 0.54% 1.09% 0.54%
2
US TREASURY N/B 05/36 4.375
 0.40% 1.61% 0.40%
3
US TREASURY N/B 02/36 4.125
 0.39% 1.71% 0.39%
4
US TREASURY N/B 03/31 3.875
 0.38% 0.76% 0.38%
5
US TREASURY N/B 11/35 4
 0.38% 1.78% 0.38%
6
US TREASURY N/B 11/34 4.25
 0.36% 1.93% 0.36%
7
US TREASURY N/B 09/31 3.625
 0.35% 0.69% 0.35%
8
US TREASURY N/B 02/34 4
 0.34% 1.86% 0.34%
9
US TREASURY N/B 06/32 4
 0.34% 0.73% 0.34%
10
US TREASURY N/B 05/35 4.25
 0.34% 1.91% 0.34%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in SPAB — State Street(R) SPDR(R) Portfolio Aggregate Bond ETF
StockWeight
US TREASURY N/B 12/28 3.50.72%
US TREASURY N/B 11/27 3.3750.44%
FNMA TBA 30 YR 5.5 SINGLE FAMILY MORTGAGE0.43%
US TREASURY N/B 11/28 4.3750.40%
US TREASURY N/B 01/28 3.50.39%
Only in SPTI — State Street(R) SPDR(R) Portfolio Intermediate Term Treasury ETF
StockWeight
US TREASURY N/B 11/31 1.3751.50%
US TREASURY N/B 05/32 2.8751.45%
US TREASURY N/B 05/30 0.6250.98%
US TREASURY N/B 11/29 1.750.63%
US TREASURY N/B 02/36 4.50.14%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between SPAB and SPTI?

SPAB (State Street(R) SPDR(R) Portfolio Aggregate Bond ETF) and SPTI (State Street(R) SPDR(R) Portfolio Intermediate Term Treasury ETF) share 19.5% portfolio overlap as of their August 12, 2026 filings, across 96 common stocks. Overlap is the sum of the smaller weight of each shared stock, so it reads as the share of a dollar that lands on the same companies in both funds.

Do SPAB and SPTI invest in the same stocks?

Mostly not. Only a small portion of their portfolios overlaps — these funds hold largely different stocks and genuinely diversify each other.

What are the top stocks held by both SPAB and SPTI?

The most prominent shared holdings (by combined weight) are: US TREASURY N/B 12/30 3.625, US TREASURY N/B 05/36 4.375, US TREASURY N/B 02/36 4.125. See the full common-holdings table on this page for weights in each fund.

Related Comparisons
SPAB — State Street(R) SPDR(R) Portfolio Aggregate Bond ETF vs SPTL — State Street(R) SPDR(R) Portfolio Long Term Treasury ETFSPAB — State Street(R) SPDR(R) Portfolio Aggregate Bond ETF vs SPMB — State Street(R) SPDR(R) Portfolio Mortgage Backed Bond ETFBIL — State Street(R) SPDR(R) Bloomberg 1-3 Month T-Bill ETF vs SPTI — State Street(R) SPDR(R) Portfolio Intermediate Term Treasury ETFSPAB — State Street(R) SPDR(R) Portfolio Aggregate Bond ETF vs SPSB — State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETFSPHY — State Street(R) SPDR(R) Portfolio High Yield Bond ETF vs SPTI — State Street(R) SPDR(R) Portfolio Intermediate Term Treasury ETFBIL — State Street(R) SPDR(R) Bloomberg 1-3 Month T-Bill ETF vs SPAB — State Street(R) SPDR(R) Portfolio Aggregate Bond ETF