BILvsSPTUETF Comparison

ETF 1

BIL

State Street SPDR Bloomberg 1-3 Month T-Bill ETF

This fund is part of

Money Market Bonds

+0.02%

Full BIL fund page

ETF 2

SPTU

State Street SPDR Portfolio Ultra Short T-Bill ETF

This fund is part of

Money Market Bonds

+0.02%

Full SPTU fund page

State Street SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) and State Street SPDR Portfolio Ultra Short T-Bill ETF (SPTU) belong to the same industry segment: Money Market Bonds. Both ETFs have the same top 1 sector exposures: Sovereign. BIL is more expensive with a Total Expense Ratio (TER) of 0.1353%, versus 0.05% for SPTU. BIL is up 2.94% year-to-date (YTD) with +$8.50B in YTD flows. SPTU performs better with 2.94% YTD performance, and +$6M in YTD flows. Run a side-by-side ETF comparison of BIL and SPTU 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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BIL vs SPTU performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/23/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	BIL SPTU	+0.35%+0.37%	+0.95%+0.95%	+2.94%+2.94%	+3.69%+3.72%	+13.93%n/a	+19.98%n/a
Flows	BIL SPTU	+$2.94B+$3M	+$4.21B+$3M	+$8.50B+$6M	+$8.67B+$7M	+$16.92B-	+$38.18B-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	BIL SPTU	+0.15%+0.16%	+0.15%+0.16%	+0.19%n/a	+0.20%n/a
Max drawdown	BIL SPTU	n/an/a	n/an/a	n/an/a	-0.04%n/a
Max drawdown duration	BIL SPTU	n/an/a	n/an/a	n/an/a	204dn/a

Trading data

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	BIL	SPTU
Last sale 10/23/2026 at 1:30 PM	$91.63	$25.07
Previous close 10/22/2026	$91.60	$25.06
Consolidated volume 10/22/2026
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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	BIL	SPTU
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/23/2026 at 1:30 PM

Live

Closed

	BIL	SPTU
Last price	$91.63	$25.07
1D performance	+0.03%	+0.04%
AuM	$51.32 B	$16.80 M
E/R	0.1353%	0.05%

Characteristics

	BIL	SPTU
Management strategy	Passive	Passive
Provider	State Street Investment Management	State Street Investment Management
Benchmark	Bloomberg U.S. Treasury Bills 1-3 Months Index	ICE BofA US Treasury Bill Index
N° of holdings	18	36
Asset class	Fixed Income	-
Trailing 12m distribution yield	Join	Join
Inception date	May 25, 2007	October 8, 2025
ESG	No	No

More BIL data on Trackinsight

More SPTU data on Trackinsight

Exposure

Countries

BIL

USA

99.46%

Other

0.54%

SPTU

USA

89.55%

Other

10.45%

Sectors

BIL

Sovereign

99.46%

Other

0.54%

SPTU

Sovereign

89.55%

Other

10.45%

Diversification

BIL

Total weight of top 15 holdings out of 15

93.7%

SPTU

Total weight of top 15 holdings out of 15

59.84%

Top 15 holdings

Data as of August 31, 2026

BIL

USA, Bills 0% 29oct2026, USD (364D)

10.18%

USA, Bills 0% 8oct2026, USD (182D)

9.98%

USA, Bills 0% 27nov2026, USD (364D)

8.39%

USA, Bills 0% 22oct2026, USD (182D)

6.92%

USA, Bills 0% 6oct2026, USD (119D)

6.63%

USA, Bills 0% 5nov2026, USD (182D)

6.30%

USA, Bills 0% 12nov2026, USD (182D)

6.30%

USA, Bills 0% 19nov2026, USD (182D)

6.29%

USA, Bills 0% 15oct2026, USD (182D)

6.29%

USA, Bills 0% 13oct2026, USD (119D)

6.25%

USA, Bills 0% 20oct2026, USD (119D)

5.98%

USA, Bills 0% 27oct2026, USD (119D)

4.71%

USA, Bills 0% 10nov2026, USD (119D)

4.22%

USA, Bills 0% 17nov2026, USD (119D)

2.73%

USA, Bills 0% 3nov2026, USD (119D)

2.52%

SPTU

USA, Bills 0% 1oct2026, USD (364D)

6.90%

USA, Bills 0% 8oct2026, USD (182D)

5.78%

USA, Bills 0% 27nov2026, USD (364D)

4.66%

USA, Bills 0% 29oct2026, USD (364D)

4.54%

USA, Bills 0% 13oct2026, USD (119D)

3.79%

USA, Bills 0% 5nov2026, USD (182D)

3.78%

USA, Bills 0% 12nov2026, USD (182D)

3.78%

USA, Bills 0% 19nov2026, USD (182D)

3.78%

USA, Bills 0% 20oct2026, USD (119D)

3.71%

USA, Bills 0% 6oct2026, USD (119D)

3.61%

USA, Bills 0% 15oct2026, USD (182D)

3.43%

USA, Bills 0% 22oct2026, USD (182D)

3.43%

USA, Bills 0% 24dec2026, USD (363D)

3.42%

USA, Bills 0% 18feb2027, USD (364D)

2.73%

USA, Bills 0% 21jan2027, USD (364D)

2.51%

Frequently asked questions about BIL and SPTU

How have the BIL and SPTU ETFs performed in 2026?

As of October 23, 2026, BIL is up 2.94% year-to-date (YTD), while SPTU has returned 2.94%. That puts SPTU better performer ahead so far this year.

Which ETF is attracting more investor money: BIL or SPTU?

Year-to-date, the BIL ETF saw +$8.50B in flows, compared to +$6M for SPTU.

Which ETF is more volatile: BIL or SPTU?

Over the past year, BIL had a volatility of 0.15%, while SPTU experienced 0.16%.

Which ETF is bigger: BIL or SPTU?

As of October 23, 2026, BIL holds $51.32 B in assets under management (AUM), while SPTU manages $16.80 M.

What sectors do the BIL and SPTU ETFs invest in?

BIL leans toward sectors like Sovereign. Meanwhile, SPTU focuses on Sovereign.

What are the top holdings of the BIL ETF and SPTU ETF?

BIL top holdings include USA, Bills 0% 29oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D). SPTU holds in its top three: USA, Bills 0% 1oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D).

BILvsSPTUETF Comparison

State Street SPDR Bloomberg 1-3 Month T-Bill ETF

State Street SPDR Portfolio Ultra Short T-Bill ETF

BIL vs SPTU 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 BIL and SPTU ETFs performed in 2026?

As of October 23, 2026, BIL is up 2.94% year-to-date (YTD), while SPTU has returned 2.94%. That puts SPTU better performer ahead so far this year.

Which ETF is attracting more investor money: BIL or SPTU?

Year-to-date, the BIL ETF saw +$8.50B in flows, compared to +$6M for SPTU.

Which ETF is more volatile: BIL or SPTU?

Over the past year, BIL had a volatility of 0.15%, while SPTU experienced 0.16%.

Which ETF is bigger: BIL or SPTU?

As of October 23, 2026, BIL holds $51.32 B in assets under management (AUM), while SPTU manages $16.80 M.

What sectors do the BIL and SPTU ETFs invest in?

BIL leans toward sectors like Sovereign. Meanwhile, SPTU focuses on Sovereign.

What are the top holdings of the BIL ETF and SPTU ETF?

BIL top holdings include USA, Bills 0% 29oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D). SPTU holds in its top three: USA, Bills 0% 1oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D).

Which ETF is more diversified: BIL or SPTU?

BIL holds 18 securities with 93.7% of its assets in the top 15. SPTU has 41 securities and a top 15 weight of 59.84%.

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