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Data as of Oct 28, 2026.

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IGSB vs TLT: Differences, Returns & Fees

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On Aug 31, 2026 IGSB's duration was 2.7 years and TLT's 15.1; IGSB charges 0.04% to TLT's 0.15%.

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Net assets: $23.7bn on Oct 28, 2026 for iShares 1-5 Year Investment Grade Corporate Bond ETF, and $47.4bn on Oct 27, 2026 for iShares 20+ Year Treasury Bond ETF.

IGSB on its own →TLT on its own →
At a glance
+1.3%
IGSB total return, 1 year
−7.9%
TLT total return, 1 year
0.04%
IGSB expense ratio
0.15%
TLT expense ratio

Pair scorecard

IGSB costs 0.11 points a year less; their one-year returns differ by 9.2 points; TLT is 2.0 times larger.

IGSB vs TLT: Differences, Returns & Fees
MeasureIGSBTLT
Return
Total return, 1 year+1.3%−7.9%
Drawdown
Below its high42.6%, high on Aug 4, 2020
Benchmark
What it tracksICE BofA 1-5 Year US Corporate IndexICE U.S. Treasury 20+ Year Bond Index
Cost and size
Expense ratio0.04%0.15%
Net assets, as of Oct 26, 2026$23.7bn$47.8bn
Holdings
Holdings in common0%

Holdings in common uses holdings dated Aug 31, 2026. Method

What they share

0%

By the books each fund has filed, IGSB and TLT hold 0% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026.

0 half 100%

half

0% in common

Positions both hold · largest shared weight first IGSB TLT
Only in one fund ↓
Only in IGSB
Eagle Funding Luxco Sarl, due Aug 17, 2030 0.29%
T-Mobile USA Inc, due Apr 15, 2030 0.17%
Space Exploration Technologies Corp, due Jul 15, 2031 0.15%
Bank of America Corp, due Dec 20, 2028 0.14%
Amazon.com Inc, due Mar 13, 2031 0.13%
AbbVie Inc, due Nov 21, 2029 0.13%
Mars Inc, due Mar 1, 2030 0.12%
CVS Health Corp, due Mar 25, 2028 0.12%
Only in TLT
U.S. Treasury Bonds, due May 15, 2055 4.46%
U.S. Treasury Bonds, due May 15, 2054 4.40%
U.S. Treasury Bonds, due Aug 15, 2053 4.18%
U.S. Treasury Bonds, due Feb 15, 2054 4.03%
U.S. Treasury Bonds, due Feb 15, 2056 3.94%
U.S. Treasury Bonds, due Aug 15, 2054 3.94%
U.S. Treasury Bonds, due Nov 15, 2053 3.92%
U.S. Treasury Bonds, due Feb 15, 2055 3.80%
Check overlap with more funds →

Side by side

IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF TLT iShares 20+ Year Treasury Bond ETF
Where it sits Bond ETF Bond ETF
Issuer iShares iShares
What it is Tracks an index of 1-5 Year Investment Grade Corporate Bond Tracks an index of 20+ year Treasuries
Total return, 1 year +1.3% −7.9%
Its benchmark over the same days not measured −7.8% (BBLB)
Gap to its benchmark not measured −0.1 pts vs BBLB
Expense ratio 0.04% 0.15%
Holdings 4781 47
Net assets, IGSB as of Oct 28, 2026 and TLT as of Oct 27, 2026 $23.7bn $47.4bn

IGSB and TLT on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
IGSB

IGSB tracks an index of 1-5 Year Investment Grade Corporate Bond. Over the year to Oct 28, 2026 it returned +1.3% with distributions reinvested. The prospectus expense ratio is 0.04% a year.

TLT

TLT tracks an index of 20+ year Treasuries. Over the year to Oct 28, 2026 it returned −7.9% with distributions reinvested, against −7.8% for its benchmark, the ICE U.S. Treasury 20+ Year Bond Index. The prospectus expense ratio is 0.15% a year. It sat 42.6% below its high of Aug 4, 2020 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, IGSB or TLT?
In the year to Oct 28, 2026, with distributions reinvested, IGSB returned +1.3% and TLT −7.9%.
Which is cheaper, IGSB or TLT?
IGSB is cheaper, by 0.11 percentage points a year. That is about $11 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
IGSB vs VGLTEDV vs IGSBIGSB vs IUSBIGSB vs VGITSPSB vs TLTTLT vs VCSHBSV vs TLTTLT vs USHY
Where to next
IGSB on its own →TLT on its own →Hold both: look the portfolio through →Rankings →IGSB dividend history →IGSB holdings →TLT dividend history →TLT holdings →Standards and sources →
Sources and dates
IGSB and TLT filings on SEC EDGAR ↗
IGSB and TLT prospectus with the expense ratio (SEC) ↗
iShares page for IGSB ↗
iShares page for TLT ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, IGSB against TLT, data as of Oct 28, 2026. https://etfiq.com/compare/any/igsb-vs-tlt

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.