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CPAG vs IUSB

F/m Compoundr U.S. Aggregate Bond ETF

CPAGBNasdaq

iShares Core Universal USD Bond ETF

IUSBANasdaq

Overlap

No data

Expense ratio

IUSB −0.25pt a year

CPAG0.31%IUSB0.06%

Avg volume · 30D

IUSB 948.5×the volume

CPAG6.46KIUSB6.13M

CPAG vs IUSB Performance

Oct 31, 2025 – Oct 30, 2026

−1.1%CPAG0.0%IUSB

Oct 31, 2025 to Oct 30, 2026. CPAG −1.1%. IUSB 0.0%. Use the arrow keys to read each point.−3%−2%1%2%Oct 2025Apr 2026Oct 2026
Expense ratio
CPAG 0.31%
IUSB 0.06%, better
Fund size
CPAG $304M
IUSB $50.2B
1Y total return
CPAG −1.1%
IUSB 0.0%, better
Yield (12M)
CPAG No data
IUSB 4.32%
Holdings
CPAG 2
IUSB 18280
Avg volume (30D)
CPAG 6.46K sh
IUSB 6.13M sh, better
NAV per share
CPAG $100.98
IUSB $44.91
52W range

ETF.net Grade

CPAG: Cost 54, Risk 36, Mission 100, Tradability 59, Holdings 20, Durability 44. IUSB: Cost 92, Risk 54, Mission 100, Tradability 89, Holdings 76, Durability 94.
Pillar letters and Scores for CPAG, IUSB, with each pillar’s weight
PillarCPAGIUSB
Cost30% weightC54A92Higher
Mission25% weightA100A100
Risk15% weightD36C54Higher
Tradability15% weightB59A89Higher
Holdings10% weightF20A76Higher
Durability5% weightC44A94Higher

Rank among US Aggregate Bond funds

How we build Categories ›
Same Category. Both funds are graded against the same funds, so their Grades compare head to head.

Same Category. CPAG and IUSB are both graded against the same 114 US Aggregate Bond funds, so their Grades compare head to head.

US Aggregate Bond⁠

Category · 114 funds
See all 114 ›

IUSB ranks 2nd and CPAG 57th of 114 funds in the US Aggregate Bond Category.

  1. Rank 1AAGGiShares Core U.S. Aggregate Bond ETFScore 87
  2. Rank 2AIUSBiShares Core Universal USD Bond ETFScore 86
  3. Rank 2ASCHZSchwab U.S. Aggregate Bond ETFScore 86
  4. Rank 57BAPCBActivePassive Core Bond ETFScore 59
  5. Rank 57BCPAGF/m Compoundr U.S. Aggregate Bond ETFScore 59
  6. Rank 57BJPIEJPMorgan Income ETFScore 59

Our read on each fund

ETF.net Research

CPAGBF/m Compoundr U.S. Aggregate Bond ETF

IUSBAiShares Core Universal USD Bond ETF

In short

CPAG A core U.S. bond fund built to compound rather than pay out. It tracks the Nasdaq Compoundr U.S. Aggregate Bond Index, and income stays inside the fund instead of landing in your account as cash.

IUSB Most core bond funds stop at investment grade. IUSB keeps going, folding high-yield USD debt into the same wrapper across roughly 18,000 bonds, for 0.06% a year.

Stated mandate

CPAG The fund seeks investment results corresponding to the Nasdaq Compoundr U.S. Aggregate Bond Index. It generally uses replication and may use representative sampling when full replication is not practicable.

IUSB The Fund seeks to track an index of U.S.-dollar-denominated bonds spanning investment-grade and high-yield sectors.

Why people hold it

  • CPAG Income compounds inside the fund instead of arriving as cash, so there is nothing to reinvest by hand.
  • At 0.31% a year, it undercuts the typical fund in the core bond crowd.
  • Simple machinery: replicate the index, and sample only when full replication is not practical. No side bets bolted onto the mandate.
  • IUSB 0.06% a year, a fraction of what the typical broad bond fund in its category charges, and iShares has run it since 2014.
  • Roughly 18,000 bonds spanning investment-grade and high-yield sectors, so one ticker covers ground a plain Agg tracker leaves on the table.ishares.com
  • Tracks its index closely, trades heavily, and sits on a multi-billion-dollar asset base. Income is paid monthly.
  • Among the strongest implementations in a crowded field of nearly 200 core bond funds.

Worth knowing

  • CPAG The 0.03% giants (BND, SPAB, SCHZ) are right there. The compounding wrapper is what the extra fee buys.
  • Launched in 2025, still small and thinly traded, so the record is short and spreads can run wider than the mega-Aggs. Limit orders earn their keep.
  • Nothing shows up in your account to spend. That is a different rhythm from a core bond fund that pays monthly.
  • IUSB That high-yield sleeve is the trade-off: more credit risk than an investment-grade-only fund, and more movement when spreads widen.
  • BND, SPAB and SCHZ charge 0.03%, half IUSB's fee, but they stay inside investment grade.
  • Payouts land monthly, but the amount floats with the coupons underneath. Nothing about the income stream is fixed.

Full CPAG profile⁠

Full IUSB profile⁠

CPAG vs IUSB Holdings

How we measure overlap

Each holding counts at its smaller weight in the two funds, summed over the full Holdings. Sector, country and asset class use the same rule on each fund’s split. Cash, FX and derivative lines stay out of the counts. Two bond funds get no overlap figure.

CPAG vs IUSB Cost

Overpaying CPAG vs IUSB

$5,076

On $10,000 over 30 years. 7% growth a year before fees, expense ratio only.

  • CPAG 0.31%

    $6,346

  • IUSB 0.06%

    $1,270

$10,000
30 years

Cost over time

  • CPAG 0.31%
  • IUSB 0.06%
  • Overpaying
One line per fund, from year 0 to year 30. Use the arrow keys to read each point.$0$2K$4K$6K$8K051015202530CPAG $6,346IUSB $1,270

Year by year

YearCPAGIUSBOverpaying
10$563$110$453
20$2,182$432$1,750
30$6,346$1,270$5,076

Expense ratio

  • 0.31%CPAG
  • 0.06%IUSB, cheaper
  • Middle half of US Aggregate Bond funds
  • Median 0.34%

IUSB 10th cheapest of 114 funds

CPAG 53rd cheapest of 114 funds

CPAG vs IUSB Dividends

Last 12 months to Oct 30, 2026
Yield (12M)
CPAG No data
IUSB 4.32%
Payout (12M)
CPAG None
IUSB $1.94
Last payment
CPAG No data
IUSB $0.15
Ex-dividend
CPAG No data
IUSB Oct 1, 2026
Paid on
CPAG No data
IUSB Oct 6, 2026
Frequency
CPAG No data
IUSB Monthly

Distribution history

Per share, 2023 to 2026, same scale for both

CPAGAll CPAG payments⁠

No distribution history available.

IUSBMonthly · 45 paymentsAll IUSB payments⁠
One bar per payment. 45 payments from 2023 to 2026 YTD. Feb 1, 2023 $0.12; Mar 1, 2023 $0.12; Apr 3, 2023 $0.12; May 1, 2023 $0.13; Jun 1, 2023 $0.14; Jul 3, 2023 $0.13; Aug 1, 2023 $0.14; Sep 1, 2023 $0.13; Oct 2, 2023 $0.13; Nov 1, 2023 $0.14; Dec 1, 2023 $0.14; Dec 14, 2023 $0.15; Feb 1, 2024 $0.13; Mar 1, 2024 $0.15; Apr 1, 2024 $0.15; May 1, 2024 $0.15; Jun 3, 2024 $0.15; Jul 1, 2024 $0.15; Aug 1, 2024 $0.16; Sep 3, 2024 $0.16; Oct 1, 2024 $0.15; Nov 1, 2024 $0.16; Dec 2, 2024 $0.16; Dec 18, 2024 $0.16; Feb 3, 2025 $0.15; Mar 3, 2025 $0.16; Apr 1, 2025 $0.16; May 1, 2025 $0.16; Jun 2, 2025 $0.17; Jul 1, 2025 $0.16; Aug 1, 2025 $0.17; Sep 2, 2025 $0.16; Oct 1, 2025 $0.17; Nov 3, 2025 $0.16; Dec 1, 2025 $0.16; Dec 19, 2025 $0.16; Feb 2, 2026 $0.17; Mar 2, 2026 $0.16; Apr 1, 2026 $0.16; May 1, 2026 $0.16; Jun 1, 2026 $0.15; Jul 1, 2026 $0.16; Aug 3, 2026 $0.17; Sep 1, 2026 $0.17; Oct 1, 2026 $0.15. Use the arrow keys to read each point.$0$0.1020232026YTD

CPAG vs IUSB Risk

Fall from peak · 5 years

This chart needs five years of history for both funds.

Risk facts

VolatilityStd dev, 3 years
CPAG 4.4%since Sep 2025IUSB 5.5%
Return per unit of riskSharpe ratio, 3 years
CPAG −0.74since Sep 2025IUSB 0.25
Worst fallMax drawdown, 5 years
CPAG −5.1%since Aug 2025IUSB −17.4%
Market sensitivityBeta, 5 years
CPAG 0.08IUSB 0.96

CPAG and IUSB in the news

All news⁠

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