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ETF comparison

ICSH vs SPMB

Both US Aggregate Bond.

iShares Ultra Short Duration Bond Active ETF · State Street SPDR Portfolio Mortgage Backed Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

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

ICSH unmatched 91.0% Shared 0.0% SPMB unmatched 98.1%

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 ICSH only
368 positions
Shared
0 positions
In SPMB only
2,699 positions

Side by side

ICSH

iShares Ultra Short Duration Bond Active ETF

iShares · US Aggregate Bond

87 composite / 100
Expense ratio
0.080%
Net assets
$8.84B
TTM yield
4.13%
Top-10 conc.
10.2%
SPMB

State Street SPDR Portfolio Mortgage Backed Bond ETF

State Street · US Aggregate Bond

87 composite / 100
Expense ratio
0.040%
Net assets
$6.82B
TTM yield
4.27%
Top-10 conc.
6.6%

Sub-score comparison

92
Cost
96
52
Tax efficiency
52
98
Liquidity
93
100
Concentration
100
—
Tracking quality
—
ICSH sub-score SPMB

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

Cost difference

SPMB is 4 bps cheaper than ICSH. On a $100,000 position that's about $40/yr more in fees for ICSH.

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 ICSH vs SPMB.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in ICSH

368 total
  • Banco Bilbao Vizcaya Argentaria/New York NY 0.91%
  • BPCE SA 0.91%
  • Marubeni Finance America LLC 0.77%
  • Cooperatieve Rabobank UA/NY 0.74%
  • Svenska Handelsbanken AB 0.72%
  • NORTHWESTERN MUTUAL GLBL 0.70%
  • MIZUHO BK LTD NEW YORK BRH INS 0.70%
  • TOYOTA MOTOR CREDIT CORP 0.68%
  • CDP Financial Inc 0.68%
  • Sumitomo Mitsui Trust NY 0.67%

Only in SPMB

2,699 total
  • Freddie Mac 1.17%
  • Fannie Mae 0.79%
  • Freddie Mac 0.76%
  • UMBS, TBA 0.63%
  • Freddie Mac 0.61%
  • Freddie Mac 0.55%
  • Government National Mortgage Association 0.55%
  • Fannie Mae 0.51%
  • Fannie Mae 0.49%
  • Fannie Mae 0.47%

Related comparisons

More comparisons with ICSH

More comparisons with SPMB

Percentages are holdings overlap with the named fund.

Open ICSH or SPMB 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.