TDTTvsGOVTETF Comparison

ETF 1

TDTT

Northern Trust iBoxx 3-Year Target Duration TIPS ETF

This fund is part of

Inflation-linked Bonds

+0.21%

Full TDTT fund page

ETF 2

GOVT

iShares U.S. Treasury Bond ETF

This fund is part of

US Government Bonds

+0.07%

Full GOVT fund page

Northern Trust iBoxx 3-Year Target Duration TIPS ETF (TDTT) belongs to the Inflation-linked Bonds segment. iShares U.S. Treasury Bond ETF (GOVT) is part of the US Government Bonds segment. TDTT's top 1 sector exposures are Sovereign. In contrast, GOVT's top sector exposures are Sovereign and Non-Corporate. TDTT is more expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.05% for GOVT. TDTT is up 0.9% year-to-date (YTD) with +$91M in YTD flows. GOVT performs worse with -1.41% YTD performance, and +$10.59B in YTD flows. Run a side-by-side ETF comparison of TDTT and GOVT 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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TDTT vs GOVT performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/15/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	TDTT GOVT	-0.02%+0.16%	-0.61%-1.39%	+0.90%-1.41%	+0.82%-1.80%	+14.93%+11.75%	+12.25%-3.89%
Flows	TDTT GOVT	+$44M+$926M	+$61M-$389M	+$91M+$10.59B	+$91M+$14.11B	+$600M+$19.43B	+$1.40B+$31.18B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	TDTT GOVT	+2.00%+3.83%	+1.91%+3.56%	+2.53%+4.67%	+3.49%+5.68%
Max drawdown	TDTT GOVT	-1.76%-2.85%	-1.85%-4.44%	-1.85%-4.87%	-6.94%-16.15%
Max drawdown duration	TDTT GOVT	51d52d	164d229d	164d318d	819d1776d

Trading data

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	TDTT	GOVT
Last sale 10/16/2026 at 1:30 PM	$23.44	$22.08
Previous close 10/15/2026	$23.39	$22.05
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 September 30, 2026

1-year trailing difference

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	TDTT	GOVT
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

	TDTT	GOVT
Last price	$23.44	$22.08
1D performance	+0.21%	+0.14%
AuM	$2.55 B	$42.35 B
E/R	0.19%	0.05%

Characteristics

	TDTT	GOVT
Management strategy	Passive	Passive
Provider	Northern Trust	iShares
Benchmark	Markit iBoxx 3-Year Target Duration TIPS Index	ICE US Treasury Core Bond Index
N° of holdings	21	218
Asset class	Bonds	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	September 19, 2011	February 14, 2012
ESG	No	No

More TDTT data on Trackinsight

More GOVT data on Trackinsight

Exposure

Countries

TDTT

USA

99.52%

Other

0.48%

GOVT

USA

99.58%

Other

0.42%

Sectors

TDTT

Sovereign

99.52%

Other

0.48%

GOVT

Sovereign

98.85%

Other

1.15%

Diversification

TDTT

Total weight of top 15 holdings out of 15

87.34%

GOVT

Total weight of top 15 holdings out of 15

26.71%

Top 15 holdings

Data as of August 31, 2026

TDTT

USA, TIPS 0.25% 15jul2029, USD (D-2029)

11.27%

USA, TIPS 1.625% 15oct2029, USD (AE-2029)

11.08%

USA, TIPS 0.875% 15jan2029, USD (A-2029)

10.58%

USA, TIPS 2.125% 15apr2029, USD (X-2029)

10.55%

USA, TIPS 3.875% 15apr2029, USD

9.31%

USA, TIPS 1.25% 15apr2031, USD (X-2031)

3.86%

USA, TIPS 1.125% 15oct2030, USD (AE-2030)

3.62%

USA, TIPS 1.625% 15apr2030, USD (X-2030)

3.58%

USA, TIPS 0.125% 15jul2031, USD (D-2031)

3.52%

USA, TIPS 0.5% 15jan2028, USD (A-2028)

3.45%

USA, TIPS 0.125% 15jul2030, USD (D-2030)

3.43%

USA, TIPS 0.125% 15jan2031, USD (A-2031)

3.41%

USA, TIPS 0.125% 15jan2030, USD (A-2030)

3.36%

USA, TIPS 0.75% 15jul2028, USD (D-2028)

3.20%

USA, TIPS 2.375% 15oct2028, USD (AE-2028)

3.10%

GOVT

USA, Notes 1.375% 15nov2031, USD (F-2031)

5.28%

USA, Notes 2.625% 15feb2029, USD (B-2029)

2.96%

USA, Notes 3.125% 15nov2028, USD (F-2028)

2.10%

USA, Notes 2.75% 15feb2028, USD (B-2028)

1.93%

USA, Notes 2.875% 15may2028, USD (C-2028)

1.63%

USA, Bonds 2.5% 15may2046, USD

1.51%

USA, Bonds 2.75% 15nov2042, USD

1.49%

USA, Bonds 6.125% 15nov2027, USD

1.40%

USA, Bonds 3.75% 15nov2043, USD

1.39%

USA, Notes 2.25% 15nov2027, USD (F-2027)

1.37%

USA, Bonds 1.875% 15feb2051, USD

1.34%

USA, Notes 4% 31may2028, USD (BC-2028)

1.21%

USA, Notes 2.375% 15may2029, USD (C-2029)

1.08%

USA, Notes 4% 31may2030, USD (Z-2030)

1.02%

USA, Notes 3.875% 31mar2028, USD (AZ-2028)

0.99%

Frequently asked questions about TDTT and GOVT

How have the TDTT and GOVT ETFs performed in 2026?

As of October 15, 2026, TDTT is up 0.9% year-to-date (YTD), while GOVT has lost -1.41%. That puts TDTT better performer ahead so far this year.

Which ETF is attracting more investor money: TDTT or GOVT?

Year-to-date, the TDTT ETF saw +$91M in flows, compared to +$10.59B for GOVT.

Which ETF is more volatile: TDTT or GOVT?

Over the past year, TDTT had a volatility of 1.91%, while GOVT experienced 3.56%.

Which ETF is bigger: TDTT or GOVT?

As of October 15, 2026, TDTT holds $2.55 B in assets under management (AUM), while GOVT manages $42.35 B.

What sectors do the TDTT and GOVT ETFs invest in?

TDTT leans toward sectors like Sovereign. Meanwhile, GOVT focuses on Sovereign.

What are the top holdings of the TDTT ETF and GOVT ETF?

TDTT top holdings include USA, TIPS 0.25% 15jul2029, USD (D-2029), USA, TIPS 1.625% 15oct2029, USD (AE-2029) and USA, TIPS 0.875% 15jan2029, USD (A-2029). GOVT holds in its top three: USA, Notes 1.375% 15nov2031, USD (F-2031), USA, Notes 2.625% 15feb2029, USD (B-2029) and USA, Notes 3.125% 15nov2028, USD (F-2028).

TDTTvsGOVTETF Comparison

Northern Trust iBoxx 3-Year Target Duration TIPS ETF

iShares U.S. Treasury Bond ETF

TDTT vs GOVT 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

How have the TDTT and GOVT ETFs performed in 2026?

As of October 15, 2026, TDTT is up 0.9% year-to-date (YTD), while GOVT has lost -1.41%. That puts TDTT better performer ahead so far this year.

Which ETF is attracting more investor money: TDTT or GOVT?

Year-to-date, the TDTT ETF saw +$91M in flows, compared to +$10.59B for GOVT.

Which ETF is more volatile: TDTT or GOVT?

Over the past year, TDTT had a volatility of 1.91%, while GOVT experienced 3.56%.

Which ETF is bigger: TDTT or GOVT?

As of October 15, 2026, TDTT holds $2.55 B in assets under management (AUM), while GOVT manages $42.35 B.

What sectors do the TDTT and GOVT ETFs invest in?

TDTT leans toward sectors like Sovereign. Meanwhile, GOVT focuses on Sovereign.

What are the top holdings of the TDTT ETF and GOVT ETF?

Which ETF is more diversified: TDTT or GOVT?

TDTT holds 21 securities with 87.34% of its assets in the top 15. GOVT has 219 securities and a top 15 weight of 26.71%.

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