BILvsTFLOETF 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

TFLO

iShares Treasury Floating Rate Bond ETF

This fund is part of

US Government Bonds

-0.18%

Full TFLO fund page

State Street SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) belongs to the Money Market Bonds segment. iShares Treasury Floating Rate Bond ETF (TFLO) is part of the US Government Bonds segment. BIL's top 1 sector exposures are Sovereign. In contrast, TFLO's top sector exposures are Sovereign and Non-Corporate. BIL is less expensive with a Total Expense Ratio (TER) of 0.1353%, versus 0.15% for TFLO. BIL is up 2.94% year-to-date (YTD) with +$8.50B in YTD flows. TFLO performs better with 3.16% YTD performance, and +$759M in YTD flows. Run a side-by-side ETF comparison of BIL and TFLO 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 TFLO 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 TFLO	+0.35%+0.34%	+0.95%+1.01%	+2.94%+3.16%	+3.69%+3.98%	+13.93%+14.34%	+19.98%+21.42%
Flows	BIL TFLO	+$2.94B+$273M	+$4.21B+$688M	+$8.50B+$759M	+$8.67B+$688M	+$16.92B-$3.48B	+$38.18B+$6.94B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	BIL TFLO	+0.15%+0.15%	+0.15%+0.16%	+0.19%+0.20%	+0.20%+0.21%
Max drawdown	BIL TFLO	n/an/a	n/an/a	n/an/a	-0.04%-0.03%
Max drawdown duration	BIL TFLO	n/an/a	n/an/a	n/an/a	204d27d

Trading data

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	BIL	TFLO
Last sale 10/23/2026 at 1:30 PM	$91.63	$50.65
Previous close 10/22/2026	$91.60	$50.64
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	TFLO
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	TFLO
Last price	$91.63	$50.65
1D performance	+0.03%	+0.02%
AuM	$51.32 B	$7.24 B
E/R	0.1353%	0.15%

Characteristics

	BIL	TFLO
Management strategy	Passive	Passive
Provider	State Street Investment Management	iShares
Benchmark	Bloomberg U.S. Treasury Bills 1-3 Months Index	Bloomberg U.S. Treasury Floating Rate Index
N° of holdings	18	9
Asset class	Fixed Income	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	May 25, 2007	February 3, 2014
ESG	No	No

More BIL data on Trackinsight

More TFLO data on Trackinsight

Exposure

Countries

BIL

USA

99.46%

Other

0.54%

TFLO

USA

99.68%

Other

0.32%

Sectors

BIL

Sovereign

99.46%

Other

0.54%

TFLO

Sovereign

99.67%

Other

0.33%

Diversification

BIL

Total weight of top 15 holdings out of 15

93.7%

TFLO

Total weight of top 9 holdings out of 9

99.68%

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%

TFLO

USA, Notes FRN 30apr2028, USD (BB-2028)

14.42%

USA, Notes FRN 31oct2027, USD (BK-2027)

13.42%

USA, Notes FRN 31jan2028, USD (AX-2028)

12.97%

USA, Notes FRN 31oct2026, USD (BK-2026)

12.54%

USA, Notes FRN 30apr2027, USD (BB-2027)

12.46%

USA, Notes FRN 31jan2027, USD (AX-2027)

12.45%

USA, Notes FRN 31jul2027, USD (BF-2027)

12.13%

USA, Notes FRN 31jul2028, USD (BF-2028)

9.29%

BlackRock Cash Funds - Treasury

0.01%

Frequently asked questions about BIL and TFLO

How have the BIL and TFLO ETFs performed in 2026?

As of October 23, 2026, BIL is up 2.94% year-to-date (YTD), while TFLO has returned 3.16%. That puts TFLO better performer ahead so far this year.

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

Year-to-date, the BIL ETF saw +$8.50B in flows, compared to +$759M for TFLO.

Which ETF is more volatile: BIL or TFLO?

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

Which ETF is bigger: BIL or TFLO?

As of October 23, 2026, BIL holds $51.32 B in assets under management (AUM), while TFLO manages $7.24 B.

What sectors do the BIL and TFLO ETFs invest in?

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

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

BIL top holdings include USA, Bills 0% 29oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D). TFLO holds in its top three: USA, Notes FRN 30apr2028, USD (BB-2028), USA, Notes FRN 31oct2027, USD (BK-2027) and USA, Notes FRN 31jan2028, USD (AX-2028).

BILvsTFLOETF Comparison

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

iShares Treasury Floating Rate Bond ETF

BIL vs TFLO 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 TFLO ETFs performed in 2026?

As of October 23, 2026, BIL is up 2.94% year-to-date (YTD), while TFLO has returned 3.16%. That puts TFLO better performer ahead so far this year.

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

Year-to-date, the BIL ETF saw +$8.50B in flows, compared to +$759M for TFLO.

Which ETF is more volatile: BIL or TFLO?

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

Which ETF is bigger: BIL or TFLO?

As of October 23, 2026, BIL holds $51.32 B in assets under management (AUM), while TFLO manages $7.24 B.

What sectors do the BIL and TFLO ETFs invest in?

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

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

BIL top holdings include USA, Bills 0% 29oct2026, USD (364D), USA, Bills 0% 8oct2026, USD (182D) and USA, Bills 0% 27nov2026, USD (364D). TFLO holds in its top three: USA, Notes FRN 30apr2028, USD (BB-2028), USA, Notes FRN 31oct2027, USD (BK-2027) and USA, Notes FRN 31jan2028, USD (AX-2028).

Which ETF is more diversified: BIL or TFLO?

BIL holds 18 securities with 93.7% of its assets in the top 15. TFLO has 9 securities.

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