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THROvsSPYXETF Comparison

ETF 1

THRO

iShares U.S. Thematic Rotation Active ETF

This fund is part of

Multiple Trends

-0.12%

Full THRO fund page

VS

ETF 2

SPYX

State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF

This fund is part of

US Large Cap

-0.42%

Full SPYX fund page

iShares U.S. Thematic Rotation Active ETF (THRO) belongs to the Multiple Trends segment. State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF (SPYX) is part of the US Large Cap segment. THRO's top 3 sector exposures are Information Technology, Communication Services and Industrials. In contrast, SPYX's top sector exposures are Information Technology, Financials and Communication Services. THRO is more expensive with a Total Expense Ratio (TER) of 0.57%, versus 0.2% for SPYX. THRO is up 4.95% year-to-date (YTD) with +$473M in YTD flows. SPYX performs worse with 3.95% YTD performance, and -$43M in YTD flows. Run a side-by-side ETF comparison of THRO and SPYX 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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THRO vs SPYX 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 04/27/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	THRO SPYX	+14.37%+13.11%	+2.76%+2.16%	+4.95%+3.95%	+27.70%+30.00%	+85.76%+78.37%	n/a+79.28%
Flows	THRO SPYX	+$11M-$21M	+$535M+$96M	+$473M-$43M	+$6.50B+$7M	+$7.07B+$196M	-+$527M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	THRO SPYX	+17.35%+15.81%	+13.40%+12.71%	+15.95%+15.08%	n/a+17.13%
Max drawdown	THRO SPYX	-10.86%-9.68%	-10.86%-9.81%	-19.10%-18.88%	n/a-26.17%
Max drawdown duration	THRO SPYX	77d76d	77d92d	154d126d	n/a709d

Trading data

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	THRO	SPYX
Last sale 4/29/2026 at 1:30 PM	$40.31	$58.13
Previous close 04/28/2026	$40.23	$58.27
Consolidated volume 04/28/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 2026

1-year trailing difference

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THRO

is actively managed and doesn’t replicate an index

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	THRO	SPYX
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/29/2026 at 1:30 PM

Live

Closed

	THRO	SPYX
Last price	$40.31	$58.13
1D performance	+0.20%	-0.25%
AuM	$8.18 B	$2.55 B
E/R	0.57%	0.2%

Characteristics

	THRO	SPYX
Management strategy	Active	Passive
Provider	iShares	State Street Investment Management
Benchmark	-	S&P 500 Fossil Fuel Free Index
N° of holdings	225	464
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	December 16, 2021	November 30, 2015
ESG	No	Yes

More THRO data on Trackinsight

More SPYX data on Trackinsight

Exposure

Countries

THRO

USA

97.64%

Other

2.36%

SPYX

USA

96.67%

Other

3.33%

Sectors

THRO

Information Techn.

39.61%

Communication Ser.

10.75%

Industrials

10.44%

Financials

10.17%

Consumer Discreti.

9.39%

Health Care

7.3%

Other

12.33%

SPYX

Information Techn.

34.94%

Financials

10.73%

Communication Ser.

10.54%

Consumer Discreti.

10.34%

Health Care

9.63%

Industrials

8.43%

Other

15.4%

Diversification

THRO

Total weight of top 15 holdings out of 15

52.38%

SPYX

Total weight of top 15 holdings out of 15

43.51%

Top 15 holdings

Data as of March 31, 2026

THRO

APPLE

8.53%

NVIDIA

6.91%

MICROSOFT-T

6.45%

AMAZON.COM INC

4.32%

ALPHABET INC-CL

4.01%

JPMORGAN CHASE

3.10%

WALMART INC

2.57%

ALPHABET INC-CL

2.41%

BROADCOM LIMITED

2.40%

META PLATFORMS

2.16%

COSTCO WHOLESALE

2.03%

BERKSHIRE HATHWAY

1.98%

VISA INCORPORATION

1.91%

TESLA

1.86%

CATERPILLAR

1.74%

SPYX

NVIDIA

7.83%

APPLE

6.88%

MICROSOFT-T

5.08%

AMAZON.COM INC

3.75%

ALPHABET INC-CL

3.09%

BROADCOM LIMITED

2.71%

ALPHABET INC-CL

2.48%

META PLATFORMS

2.31%

TESLA

1.93%

BERKSHIRE HATHWAY

1.62%

JPMORGAN CHASE

1.46%

LILLY

1.35%

JOHNSON&JOHNSON

1.09%

WALMART INC

1.01%

VISA INCORPORATION

0.94%

Frequently asked questions about THRO and SPYX

How have the THRO and SPYX ETFs performed in 2026?

As of April 27, 2026, THRO is up 4.95% year-to-date (YTD), while SPYX has returned 3.95%. That puts THRO better performer ahead so far this year.

Which ETF is attracting more investor money: THRO or SPYX?

Year-to-date, the THRO ETF saw +$473M in flows, compared to -$43M for SPYX.

Which ETF is more volatile: THRO or SPYX?

Over the past year, THRO had a volatility of 13.4%, while SPYX experienced 12.71%.

Which ETF is bigger: THRO or SPYX?

As of April 27, 2026, THRO holds $8.18 B in assets under management (AUM), while SPYX manages $2.55 B.

What sectors do the THRO and SPYX ETFs invest in?

THRO leans toward sectors like Information Technology, Communication Services and Industrials. Meanwhile, SPYX focuses on Information Technology, Financials and Communication Services.

THROvsSPYXETF Comparison

iShares U.S. Thematic Rotation Active ETF

State Street SPDR S&P 500 Fossil Fuel Reserves Free ETF

THRO vs SPYX 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 THRO and SPYX ETFs performed in 2026?

As of April 27, 2026, THRO is up 4.95% year-to-date (YTD), while SPYX has returned 3.95%. That puts THRO better performer ahead so far this year.

Which ETF is attracting more investor money: THRO or SPYX?

Year-to-date, the THRO ETF saw +$473M in flows, compared to -$43M for SPYX.

Which ETF is more volatile: THRO or SPYX?

Over the past year, THRO had a volatility of 13.4%, while SPYX experienced 12.71%.

Which ETF is bigger: THRO or SPYX?

As of April 27, 2026, THRO holds $8.18 B in assets under management (AUM), while SPYX manages $2.55 B.

What sectors do the THRO and SPYX ETFs invest in?

THRO leans toward sectors like Information Technology, Communication Services and Industrials. Meanwhile, SPYX focuses on Information Technology, Financials and Communication Services.

What are the top holdings of the THRO ETF and SPYX ETF?

THRO top holdings include APPLE, NVIDIA and MICROSOFT-T. SPYX holds in its top three: NVIDIA, APPLE and MICROSOFT-T.

Which ETF is more diversified: THRO or SPYX?

THRO holds 242 securities with 52.38% of its assets in the top 15. SPYX has 486 securities and a top 15 weight of 43.51%.

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