Do CTEC and QCLN hold the same stocks?

By their latest filings, 22% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.

Which is more different from the S&P 500, CTEC or QCLN?

CTEC has 6% of its weight in S&P 500 names and QCLN has 34%, so CTEC differs more from the index.

Which is cheaper, CTEC or QCLN?

CTEC charges 0.50% a year and QCLN charges 0.59%, so CTEC is cheaper. Fees come from each fund's prospectus.

Data as of Nov 4, 2026.

Thematic ETFs

CTEC vs QCLN: Holdings Overlap & Returns

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Over the year to Nov 4, 2026, CTEC returned −9.3% to QCLN's +1.6%; 22% of their weight is in the same names.

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Net assets: $23m on Oct 12, 2026 for Global X ClimateTech ETF, and $489m on Nov 3, 2026 for First Trust Nasdaq Clean Edge Green Energy Index Fund.

CTEC on its own →QCLN on its own →

At a glance

6.3%

CTEC in the S&P 500

33.5%

QCLN in the S&P 500

−9.3%

CTEC total return, 1 year

+1.6%

QCLN total return, 1 year

CTEC · 1 year to Nov 4, 2026 94% of its weight is outside the S&P 500

6% of CTEC's weight is in S&P 500 companies and 94% is outside the index. Holdings as of Aug 31, 2026.

QCLN · 1 year to Nov 4, 2026 67% of its weight is outside the S&P 500

34% of QCLN's weight is in S&P 500 companies and 67% is outside the index. Holdings as of Nov 3, 2026.

Pair scorecard

CTEC costs 0.09 points a year less; their one-year returns differ by 10.9 points; QCLN is far larger, $525m against $23m.

Points (pts) are percentage points.

CTEC vs QCLN: Holdings Overlap & Returns
Measure	CTEC	QCLN
Return
Measure	CTEC	QCLN
Total return, 1 year	−9.3%	+1.6%
Drawdown
Measure	CTEC	QCLN
Below its all-time high	62.8%, high on Feb 9, 2021	47.7%, high on Feb 9, 2021
Against its benchmark
Measure	CTEC	QCLN
What it tracks	Clean energy	Clean energy
Its benchmark, total return, 1 year		+14.8%
Against its benchmark, 1 year		behind by 13.2 pts
Cost and size
Measure	CTEC	QCLN
Expense ratio	0.50%	0.59%
Net assets, as of Oct 12, 2026	$23m	$525m
Holdings
Measure	CTEC	QCLN
Holdings in common	22%

Method

What they share

22%

By the books each fund has filed, CTEC and QCLN hold 22% of their money in the same securities at the same weight. Holdings dated Aug 31, 2026 and Nov 3, 2026.

50%

0 half 100%

half

22% in common

Positions both hold · largest shared weight first CTEC QCLN

BLOOM ENERGY CORPORATION 8.06% 8.90%

NEXTPOWER INC. 4.35% 5.02%

FIRST SOLAR, INC. 6.28% 3.95%

ENPHASE ENERGY, INC. 3.94% 1.45%

SOLAREDGE TECHNOLOGIES, INC. 1.75% 0.73%

PLUG POWER INC. 2.70% 0.71%

Shoals Technologies Group, Inc. 1.04% 0.52%

Amprius Technologies Inc 1.22% 0.47%

AMERESCO, INC. 0.69% 0.28%

Fluence Energy Inc 1.29% 0.28%

ARRAY TECHNOLOGIES, INC. 0.61% 0.26%

EOS ENERGY ENTERPRISES, INC. 0.98% 0.25%

Only in one fund ↓

Only in CTEC

SAMSUNG SDI CO., LTD. 9.59%

VESTAS WIND SYSTEMS A/S 8.29%

Contemporary Amperex Technology Co., Ltd. 6.04%

NIBE Industrier AB 5.54%

Nordex SE 4.00%

China Everbright Environment Group Limited 3.54%

JOHNSON MATTHEY PLC 3.50%

QUANTUMSCAPE CORPORATION 2.89%

Only in QCLN

Tesla, Inc. 9.29%

Monolithic Power Systems, Inc. 8.99%

ON Semiconductor Corporation 8.41%

Rivian Automotive, Inc. (Class A) 6.42%

Acuity Inc. 3.58%

Advanced Energy Industries, Inc. 3.45%

Brookfield Renewable Partners LP 3.29%

Enlight Renewable Energy Ltd. 3.27%

Check overlap with more funds →

Window by window

Window by window: CTEC vs QCLN: Holdings Overlap & Returns
	Total return		vs its benchmark
Window	CTEC	QCLN	CTEC	QCLN
3 months	−9.3%	−11.9%	not measured	−11.6 pts vs IWV
6 months	−26.4%	−25.1%	not measured	−30.0 pts vs IWV
1 year	−9.3%	+1.6%	not measured	−13.2 pts vs IWV
3 years	+11.5%	+27.3%	not measured	−53.7 pts vs IWV
Since launchNot the same days: CTEC Oct 2020 · QCLN Feb 2007	−30.0%	+149.5%	not measured	not measured

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Side by side

CTEC Global X ClimateTech ETF · Holds 40 stocks in clean energy, 6% of its weight in S&P 500 companies QCLN First Trust Nasdaq Clean Edge Green Energy Index Fund · Holds 57 stocks in clean energy, 34% of its weight in S&P 500 companies

Issuer Global X First Trust

Theme Clean energy Clean energy

In the S&P 500 6.3% 33.5%

Active share vs the S&P 500 100.0% 97.9%

In the Nasdaq-100 0.0% 18.3%

Holdings 40 57

Top ten, share of the fund 59.6% 61.3%

Expense ratio 0.50% 0.59%

Fee for the differing part 0.50% 0.60%

Total return, 1 year −9.3% +1.6%

vs its benchmark not measured −13.2 pts vs IWV

Below its high −62.8% −47.7%

Net assets, CTEC as of Oct 12, 2026 and QCLN as of Nov 3, 2026 $23m $489m

As of Nov 4, 2026. Source: ETFIQ.

22% of the two portfolios are the same securities at the same weight.

Alert

About each fund

CTEC

By weight, 6% of CTEC's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 60% of the fund across 40 positions, as filed for Aug 31, 2026. Over the year to Nov 4, 2026 the fund returned −9.3% with distributions reinvested. It sits 62.8% below its all-time high of Feb 9, 2021.

QCLN

Over the year to Nov 4, 2026 the fund returned +1.6% with distributions reinvested against +14.8% for its benchmark, the Russell 3000 Index, so a holder was behind by 13.2 pts.

By weight, 34% of QCLN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 98%. The top ten holdings are 61% of the fund across 57 positions, as published by its issuer for Nov 3, 2026. It sits 47.7% below its all-time high of Feb 9, 2021.

Questions people ask

Do CTEC and QCLN hold the same stocks?: By their latest filings, 22% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, CTEC or QCLN?: CTEC has 6% of its weight in S&P 500 names and QCLN has 34%, so CTEC differs more from the index.
Which is cheaper, CTEC or QCLN?: CTEC charges 0.50% a year and QCLN charges 0.59%, so CTEC is cheaper. Fees come from each fund's prospectus.

Other comparisons

CTEC vs PBW CTEC vs TAN CTEC vs SMOG CTEC vs ICLN QCLN vs RNRG QCLN vs FRNW QCLN vs VCLN QCLN vs SMOG

Where to next

All thematic ETFs ranked by the S&P 500 Difference Score →How the scores are computed →CTEC on its own →QCLN on its own →CTEC dividend history →CTEC holdings →QCLN dividend history →QCLN holdings →Method →Standards and sources →

Sources and dates

CTEC filings on SEC EDGAR ↗

CTEC prospectus with the expense ratio (SEC) ↗

Global X page for CTEC ↗

QCLN filings on SEC EDGAR ↗

QCLN prospectus with the expense ratio (SEC) ↗

First Trust page for QCLN ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Every number is an ETFIQ calculation with distributions reinvested.

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ETFIQ, CTEC against QCLN, data as of Nov 4, 2026. https://etfiq.com/compare/themes/ctec-vs-qcln

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.