MYCOvsIEFETF Comparison

ETF 1

MYCO

State Street SPDR My2035 Corporate Bond ETF

This fund is part of

US Corporate IG Bonds

+0.03%

Full MYCO fund page

ETF 2

IEF

iShares 7-10 Year Treasury Bond ETF

This fund is part of

US Government Bonds

+0.07%

Full IEF fund page

State Street SPDR My2035 Corporate Bond ETF (MYCO) belongs to the US Corporate IG Bonds segment. iShares 7-10 Year Treasury Bond ETF (IEF) is part of the US Government Bonds segment. MYCO's top 3 sector exposures are Utilities, Finance and Technology. In contrast, IEF's top sector exposures are Sovereign and Non-Corporate. Both MYCO and IEF have the same Total Expense Ratio (TER) of 0.15%. MYCO is down -2.79% year-to-date (YTD) with +$2M in YTD flows. IEF performs worse with -3.1% YTD performance, and -$1.14B in YTD flows. Run a side-by-side ETF comparison of MYCO and IEF 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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MYCO vs IEF performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/16/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MYCO IEF	-0.44%+0.01%	-2.78%-2.53%	-2.79%-3.10%	-2.78%-3.61%	n/a+11.49%	n/a-7.89%
Flows	MYCO IEF	-+$94M	+$1M-$4.14B	+$2M-$1.14B	+$2M+$5.82B	-+$15.94B	-+$33.64B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MYCO IEF	+5.14%+5.24%	+4.74%+4.78%	n/a+6.18%	n/a+7.65%
Max drawdown	MYCO IEF	-4.26%-4.27%	-5.87%-6.81%	n/a-6.88%	n/a-20.43%
Max drawdown duration	MYCO IEF	89d52d	229d229d	n/a319d	n/a1776d

Trading data

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	MYCO	IEF
Last sale 10/16/2026 at 1:30 PM	$23.27	$90.30
Previous close 10/16/2026	$23.29	$90.42
Consolidated volume 10/16/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of October 19, 2026

1-year trailing difference

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MYCO

is actively managed and doesn’t replicate an index

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	MYCO	IEF
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

	MYCO	IEF
Last price	$23.27	$90.30
1D performance	-0.09%	-0.13%
AuM	$6.98 M	$41.52 B
E/R	0.15%	0.15%

Characteristics

	MYCO	IEF
Management strategy	Active	Passive
Provider	State Street Investment Management	iShares
Benchmark	-	ICE US Treasury 7-10 Year Bond Index
N° of holdings	94	17
Asset class	-	Bonds
Trailing 12m distribution yield	Join	Join
Inception date	September 17, 2025	July 22, 2002
ESG	No	No

More MYCO data on Trackinsight

More IEF data on Trackinsight

Exposure

Countries

MYCO

USA

94.77%

Other

5.23%

IEF

USA

96.87%

Other

3.13%

Sectors

MYCO

Utilities

16.61%

Finance

13.25%

Technology

12.97%

Industrials

11.85%

Consumer Non-Cycl.

11.32%

Healthcare

10.16%

Other

23.84%

IEF

Sovereign

95.76%

Other

4.24%

Diversification

MYCO

Total weight of top 15 holdings out of 15

29.76%

IEF

Total weight of top 15 holdings out of 15

100.18%

Top 15 holdings

Data as of August 31, 2026

MYCO

AbbVie, 4.5% 14may2035, USD

2.49%

JBS USA Holding Lux, 5.95% 20apr2035, USD

2.48%

Pacific Gas & Electric, 6% 15aug2035, USD

2.43%

Georgia Power, 5.2% 15mar2035, USD (2025C)

2.42%

AT&T Inc, 5.375% 15aug2035, USD

2.40%

J.M. Smucker, 4.25% 15mar2035, USD

1.91%

Charter Communications Operating, 6.384% 23oct2035, USD

1.83%

RTX, 5.4% 1may2035, USD

1.82%

Glencore International AG, 5.673% 1apr2035, USD

1.75%

AEP Transmission Company, 5.375% 15jun2035, USD (R)

1.75%

Leidos, Inc., 5.5% 15mar2035, USD

1.72%

General Motors, 5% 1apr2035, USD

1.72%

FirstEnergy Transmission, 5% 15jan2035, USD

1.69%

AB InBev Worldwide, 5.875% 15jun2035, USD

1.67%

NetApp, 5.7% 17mar2035, USD

1.67%

IEF

USA, Notes 4.125% 15feb2036, USD (B-2036)

9.32%

USA, Notes 4.375% 15may2036, USD (C-2036)

8.83%

USA, Notes 4.625% 15feb2035, USD (B-2035)

8.76%

USA, Notes 4.25% 15nov2034, USD (F-2034)

8.74%

USA, Notes 4% 15nov2035, USD (F-2035)

8.63%

USA, Notes 4.375% 15may2034, USD (C-2034)

8.42%

USA, Notes 4.25% 15may2035, USD (C-2035)

8.32%

USA, Notes 4.25% 15aug2035, USD (E-2035)

8.27%

USA, Notes 4% 15feb2034, USD (B-2034)

8.13%

USA, Notes 4.5% 15nov2033, USD (F-2033)

7.02%

USA, Notes 3.875% 15aug2034, USD (E-2034)

6.74%

US91282CRF04

3.83%

USA, Notes 3.875% 15aug2033, USD (E-2033)

3.30%

BlackRock Cash Funds - Treasury

1.11%

USA, Bonds 4.5% 15feb2036, USD

0.77%

Frequently asked questions about MYCO and IEF

How have the MYCO and IEF ETFs performed in 2026?

As of October 16, 2026, MYCO is down -2.79% year-to-date (YTD), while IEF has lost -3.1%. That puts MYCO better performer ahead so far this year.

Which ETF is attracting more investor money: MYCO or IEF?

Year-to-date, the MYCO ETF saw +$2M in flows, compared to -$1.14B for IEF.

Which ETF is more volatile: MYCO or IEF?

Over the past year, MYCO had a volatility of 4.74%, while IEF experienced 4.78%.

Which ETF is bigger: MYCO or IEF?

As of October 16, 2026, MYCO holds $6.98 M in assets under management (AUM), while IEF manages $41.52 B.

What sectors do the MYCO and IEF ETFs invest in?

MYCO leans toward sectors like Utilities, Finance and Technology. Meanwhile, IEF focuses on Sovereign.

What are the top holdings of the MYCO ETF and IEF ETF?

MYCO top holdings include AbbVie, 4.5% 14may2035, USD, JBS USA Holding Lux, 5.95% 20apr2035, USD and Pacific Gas & Electric, 6% 15aug2035, USD. IEF holds in its top three: USA, Notes 4.125% 15feb2036, USD (B-2036), USA, Notes 4.375% 15may2036, USD (C-2036) and USA, Notes 4.625% 15feb2035, USD (B-2035).

MYCOvsIEFETF Comparison

State Street SPDR My2035 Corporate Bond ETF

iShares 7-10 Year Treasury Bond ETF

MYCO vs IEF 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 MYCO and IEF ETFs performed in 2026?

As of October 16, 2026, MYCO is down -2.79% year-to-date (YTD), while IEF has lost -3.1%. That puts MYCO better performer ahead so far this year.

Which ETF is attracting more investor money: MYCO or IEF?

Year-to-date, the MYCO ETF saw +$2M in flows, compared to -$1.14B for IEF.

Which ETF is more volatile: MYCO or IEF?

Over the past year, MYCO had a volatility of 4.74%, while IEF experienced 4.78%.

Which ETF is bigger: MYCO or IEF?

As of October 16, 2026, MYCO holds $6.98 M in assets under management (AUM), while IEF manages $41.52 B.

What sectors do the MYCO and IEF ETFs invest in?

MYCO leans toward sectors like Utilities, Finance and Technology. Meanwhile, IEF focuses on Sovereign.

What are the top holdings of the MYCO ETF and IEF ETF?

Which ETF is more diversified: MYCO or IEF?

MYCO holds 94 securities with 29.76% of its assets in the top 15. IEF has 17 securities and a top 15 weight of 100.18%.

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