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 > CWB vs OBND Holdings as of August 12, 2026

CWB vs OBND: Portfolio Overlap

State Street(R) SPDR(R) Bloomberg Convertible Securities ETF vs State Street(R) Loomis Sayles Opportunistic Bond ETF

0.8%
Weighted portfolio overlap
Low Overlap

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

CWB
351 equity holdings
as of August 12, 2026
OBND
413 equity holdings
as of August 12, 2026
12 stocks held in common
Overlap View Venn Diagram
0.8% OVERLAP CWB OBND
Overlapping Holdings
10 Top 10 of 12 shared, by overlap contribution
# Stock CWB OBND Overlap%
1
ALPHABET INC CVTPFD 6.25 05/15/2029
 2.31% 0.16% 0.16%
2
ALPHABET INC CVTPFD 6.25 05/15/2029
 2.30% 0.16% 0.16%
3
ORACLE CORP CVTPFD 6.5 01/15/2029
 1.16% 0.09% 0.09%
4
WISDOMTREE INC 144A W/O RTS CVT 4.5 10/01/2031
 0.20% 0.06% 0.06%
5
GUARDANT HEALTH INC CVT 1.25 02/15/2031
 0.40% 0.05% 0.05%
6
TRAVERE THERAPEUTICS INC CVT 0.5 05/15/2032
 0.14% 0.05% 0.05%
7
SCORPIO TANKERS INC 144A W/O RTS 1.75 04/15/2031
 0.16% 0.05% 0.05%
8
SWIFT HOLDINGS CORP 144A W/O RTS CVT 1 11/15/2031
 0.40% 0.05% 0.05%
9
REVOLUTION MEDICINES INC CVT 0.5 05/01/2033
 0.17% 0.04% 0.04%
10
EVERGY INC CVT 4.5 12/15/2027
 0.39% 0.04% 0.04%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in CWB — State Street(R) SPDR(R) Bloomberg Convertible Securities ETF
StockWeight
WESTERN DIGITAL CORP COMPANY GUAR 11/28 32.05%
BOEING CO/THE2.01%
ALIBABA GROUP HOLDING SR UNSECURED 06/31 0.51.71%
LUMENTUM HOLDINGS INC SR UNSECURED 144A 03/32 0.3751.55%
SUPER MICRO COMPUTER INC1.17%
Only in OBND — State Street(R) Loomis Sayles Opportunistic Bond ETF
StockWeight
SPDR BLACKSTONE/GSO SEN LOAN3.80%
BCMM 2025-1A A1 144A 5.36952 07/17/20371.61%
NUVEEN FLOAT RATE INC FD1.47%
CASH_USD1.36%
INVESCO VAN KAMPEN SENIOR INCOME TRUST1.20%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between CWB and OBND?

CWB (State Street(R) SPDR(R) Bloomberg Convertible Securities ETF) and OBND (State Street(R) Loomis Sayles Opportunistic Bond ETF) share 0.8% portfolio overlap as of their August 12, 2026 filings, across 12 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 CWB and OBND 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 CWB and OBND?

The most prominent shared holdings (by combined weight) are: ALPHABET INC CVTPFD 6.25 05/15/2029, ALPHABET INC CVTPFD 6.25 05/15/2029, ORACLE CORP CVTPFD 6.5 01/15/2029. See the full common-holdings table on this page for weights in each fund.