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IBGCvsTLTETF Comparison

ETF 1

IBGC

iShares iBonds Dec 2046 Term Treasury ETF

This fund is part of

US Government Bonds

+0.07%

Full IBGC fund page

VS

ETF 2

TLT

iShares 20+ Year Treasury Bond ETF

This fund is part of

US Government Bonds

+0.07%

Full TLT fund page

iShares iBonds Dec 2046 Term Treasury ETF (IBGC) and iShares 20+ Year Treasury Bond ETF (TLT) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. IBGC is less expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.15% for TLT. Run a side-by-side ETF comparison of IBGC and TLT below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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IBGC vs TLT performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 10/16/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IBGC TLT	-0.62%-0.69%	-3.62%-3.86%	n/a-5.08%	n/a-8.34%	n/a+5.47%	n/a-34.32%
Flows	IBGC TLT	+$13M+$228M	+$49M+$6.29B	-+$3.12B	-+$2.28B	-+$12.12B	-+$49.51B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IBGC TLT	+9.32%+10.41%	n/a+9.32%	n/a+12.82%	n/a+15.43%
Max drawdown	IBGC TLT	-6.81%-7.66%	n/a-12.42%	n/a-16.55%	n/a-43.68%
Max drawdown duration	IBGC TLT	89d89d	n/a229d	n/a760d	n/a1776d

Trading data

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	IBGC	TLT
Last sale 10/16/2026 at 1:30 PM	$23.34	$80.05
Previous close 10/15/2026	$23.33	$79.97
Consolidated volume 10/15/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 18, 2026

1-year trailing difference

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	IBGC	TLT
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/16/2026 at 1:30 PM

Live

Closed

	IBGC	TLT
Last price	$23.34	$80.05
1D performance	+0.04%	+0.10%
AuM	$57.17 M	$47.01 B
E/R	0.07%	0.15%

Characteristics

	IBGC	TLT
Management strategy	Passive	Passive
Provider	iShares	iShares
Benchmark	ICE 2046 Maturity US Treasury Index	ICE U.S. Treasury 20+ Year Bond Index
N° of holdings	8	48
Asset class	-	Fixed Income
Trailing 12m distribution yield	Join	Join
Inception date	March 25, 2026	July 22, 2002
ESG	No	No

More IBGC data on Trackinsight

More TLT data on Trackinsight

Exposure

Countries

IBGC

USA

91.29%

Other

8.71%

TLT

USA

99.66%

Other

0.34%

Sectors

IBGC

Sovereign

90.05%

Other

9.95%

TLT

Sovereign

98.58%

Other

1.42%

Diversification

IBGC

Total weight of top 8 holdings out of 8

100.85%

TLT

Total weight of top 15 holdings out of 15

58.22%

Top 15 holdings

Data as of August 31, 2026

IBGC

USA, Bonds 5% 15may2046, USD

26.44%

USA, Bonds 4.625% 15feb2046, USD

24.88%

USA, Bonds 2.25% 15aug2046, USD

12.86%

USA, Bonds 2.5% 15may2046, USD

10.27%

USA, Bonds 2.5% 15feb2046, USD

10.15%

US912810UX45

9.56%

USA, Bonds 2.875% 15nov2046, USD

5.46%

BlackRock Cash Funds - Treasury

1.24%

TLT

USA, Bonds 4.75% 15may2055, USD

4.51%

USA, Bonds 4.625% 15may2054, USD

4.28%

USA, Bonds 4.125% 15aug2053, USD

4.19%

USA, Bonds 4.75% 15feb2056, USD

4.14%

USA, Bonds 4.25% 15feb2054, USD

4.04%

USA, Bonds 5% 15may2056, USD

4.03%

USA, Bonds 4.75% 15nov2053, USD

3.98%

USA, Bonds 4.25% 15aug2054, USD

3.95%

USA, Bonds 4.625% 15nov2055, USD

3.85%

USA, Bonds 4.625% 15feb2055, USD

3.81%

USA, Bonds 4.5% 15nov2054, USD

3.80%

USA, Bonds 1.875% 15nov2051, USD

3.80%

USA, Bonds 2% 15aug2051, USD

3.35%

USA, Bonds 4.75% 15aug2055, USD

3.31%

USA, Bonds 3.625% 15may2053, USD

3.16%

Frequently asked questions about IBGC and TLT

Which ETF is bigger: IBGC or TLT?

As of October 16, 2026, IBGC holds $57.17 M in assets under management (AUM), while TLT manages $47.01 B.

What sectors do the IBGC and TLT ETFs invest in?

IBGC leans toward sectors like Sovereign. Meanwhile, TLT focuses on Sovereign.

What are the top holdings of the IBGC ETF and TLT ETF?

IBGC top holdings include USA, Bonds 5% 15may2046, USD, USA, Bonds 4.625% 15feb2046, USD and USA, Bonds 2.25% 15aug2046, USD. TLT holds in its top three: USA, Bonds 4.75% 15may2055, USD, USA, Bonds 4.625% 15may2054, USD and USA, Bonds 4.125% 15aug2053, USD.

IBGCvsTLTETF Comparison

iShares iBonds Dec 2046 Term Treasury ETF

iShares 20+ Year Treasury Bond ETF

IBGC vs TLT performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

Which ETF is bigger: IBGC or TLT?

As of October 16, 2026, IBGC holds $57.17 M in assets under management (AUM), while TLT manages $47.01 B.

What sectors do the IBGC and TLT ETFs invest in?

IBGC leans toward sectors like Sovereign. Meanwhile, TLT focuses on Sovereign.

What are the top holdings of the IBGC ETF and TLT ETF?

IBGC top holdings include USA, Bonds 5% 15may2046, USD, USA, Bonds 4.625% 15feb2046, USD and USA, Bonds 2.25% 15aug2046, USD. TLT holds in its top three: USA, Bonds 4.75% 15may2055, USD, USA, Bonds 4.625% 15may2054, USD and USA, Bonds 4.125% 15aug2053, USD.

Which ETF is more diversified: IBGC or TLT?

IBGC has 8 securities. TLT has 48 securities and a top 15 weight of 58.22%.

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