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ETF comparison

CWB vs IGSB

Both US Corporate Bond.

State Street SPDR Bloomberg Convertible Securities ETF · iShares 1-5 Year Investment Grade Corporate Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of CWB and IGSB would leave roughly 0.0% of each dollar exposed to the same underlying securities.

CWB unmatched 99.5% Shared 0.0% IGSB unmatched 99.2%

Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.

In CWB only
343 positions
Shared
0 positions
In IGSB only
4,605 positions

Side by side

CWB

State Street SPDR Bloomberg Convertible Securities ETF

State Street · US Corporate Bond

71 composite / 100
Expense ratio
0.40%
Net assets
$5.55B
TTM yield
1.67%
Top-10 conc.
17.1%
IGSB

iShares 1-5 Year Investment Grade Corporate Bond ETF

iShares · US Corporate Bond

89 composite / 100
Expense ratio
0.040%
Net assets
$23.38B
TTM yield
4.67%
Top-10 conc.
1.5%

Sub-score comparison

60
Cost
96
57
Tax efficiency
51
89
Liquidity
100
90
Concentration
100
—
Tracking quality
—
CWB sub-score IGSB

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

IGSB is 36 bps cheaper than CWB. On a $100,000 position that's about $360/yr more in fees for CWB.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with CWB vs IGSB.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in CWB

343 total
  • WESTERN DIGITAL CORP 5.54%
  • BOEING CO/THE 1.87%
  • LUMENTUM HOLDINGS INC 1.44%
  • ALIBABA GROUP HOLDING 1.42%
  • LUMENTUM HOLDINGS INC 1.38%
  • BLOOM ENERGY CORP 1.12%
  • WELLS FARGO & COMPANY 1.10%
  • ORACLE CORP 1.10%
  • NEBIUS GROUP NV 1.08%
  • COREWEAVE INC 1.08%

Only in IGSB

4,605 total
  • EAGLE FUNDING LUXCO SARL 0.31%
  • T-MOBILE USA INC 0.18%
  • BANK OF AMERICA CORP 0.16%
  • ABBVIE INC 0.14%
  • AMAZON.COM INC 0.13%
  • CVS HEALTH CORP 0.13%
  • MARS INC 0.12%
  • BOEING CO 0.12%
  • GOLDMAN SACHS GROUP INC 0.12%
  • WELLS FARGO & COMPANY 0.11%

Related comparisons

More comparisons with CWB

More comparisons with IGSB

Percentages are holdings overlap with the named fund.

Open CWB or IGSB at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.