First Trust NASDAQ® Clean Edge® Green Energy Index Fund (QCLN)
Holdings of the Fund as of 6/24/2021

Total Number of Holdings (excluding cash): 53

Security Name Identifier CUSIP Classification Shares / Quantity Market Value Weighting Descending sort
NIO Inc. (ADR) NIO 62914V106 Automobiles 5,131,242 $233,266,261.32 8.80%
Tesla, Inc. TSLA 88160R101 Automobiles 316,959 $215,475,067.38 8.13%
Enphase Energy, Inc. ENPH 29355A107 Renewable Energy Equipment 1,128,006 $192,629,584.62 7.27%
Albemarle Corporation ALB 012653101 Chemicals: Diversified 970,258 $161,033,720.26 6.07%
Plug Power Inc. PLUG 72919P202 Renewable Energy Equipment 4,724,182 $155,425,587.80 5.86%
XPeng Inc. (ADR) XPEV 98422D105 Automobiles 3,083,856 $126,283,903.20 4.76%
SolarEdge Technologies, Inc. SEDG 83417M104 Renewable Energy Equipment 384,031 $102,643,805.68 3.87%
Cree, Inc. CREE 225447101 Semiconductors 990,743 $97,845,778.68 3.69%
Sunrun Inc. RUN 86771W105 Alternative Electricity 1,771,543 $93,608,332.12 3.53%
ON Semiconductor Corporation ON 682189105 Semiconductors 2,474,630 $93,442,028.80 3.52%
Universal Display Corporation OLED 91347P105 Electronic Components 409,503 $90,078,374.91 3.40%
Brookfield Renewable Partners LP BEP G16258108 Alternative Electricity 2,387,917 $88,138,016.47 3.32%
First Solar, Inc. FSLR 336433107 Renewable Energy Equipment 923,533 $78,047,773.83 2.94%
Acuity Brands, Inc. AYI 00508Y102 Building Materials: Other 310,173 $59,441,553.72 2.24%
Littelfuse, Inc. LFUS 537008104 Electrical Components 213,311 $52,378,516.05 1.98%
NextEra Energy Partners, LP NEP 65341B106 Alternative Electricity 659,281 $47,923,135.89 1.81%
Ballard Power Systems Inc. BLDP 058586108 Alternative Fuels 2,584,207 $46,257,305.30 1.74%
Power Integrations, Inc. POWI 739276103 Semiconductors 526,914 $42,817,031.64 1.62%
SunPower Corporation SPWR 867652406 Renewable Energy Equipment 1,498,694 $41,633,719.32 1.57%
Hannon Armstrong Sustainable Infrastructure Capital, Inc. HASI 41068X100 Infrastructure REITs 683,406 $39,138,661.62 1.48%
Itron, Inc. ITRI 465741106 Electronic Equipment: Gauges and Meters 392,066 $38,426,388.66 1.45%
Advanced Energy Industries, Inc. AEIS 007973100 Semiconductors 333,718 $36,598,853.06 1.38%
EnerSys ENS 29275Y102 Electrical Components 372,083 $36,222,280.05 1.37%
Atlantica Sustainable Infrastructure Plc AY G0751N103 Alternative Electricity 962,504 $35,516,397.60 1.34%
Bloom Energy Corporation (Class A) BE 093712107 Machinery: Specialty 1,256,290 $34,447,471.80 1.30%
Sunnova Energy International Inc. NOVA 86745K104 Alternative Electricity 972,686 $34,345,542.66 1.30%
Ormat Technologies, Inc. ORA 686688102 Alternative Electricity 486,337 $33,294,631.02 1.26%
Daqo New Energy Corporation (ADR) DQ 23703Q203 Specialty Chemicals 506,474 $28,605,651.52 1.08%
Vicor Corporation VICR 925815102 Electrical Components 275,934 $27,149,146.26 1.02%
Renewable Energy Group, Inc. REGI 75972A301 Alternative Fuels 414,046 $26,648,000.56 1.01%
FuelCell Energy, Inc. FCEL 35952H601 Renewable Energy Equipment 2,800,950 $25,852,768.50 0.98%
Livent Corporation LTHM 53814L108 Specialty Chemicals 1,273,222 $23,478,213.68 0.89%
Sociedad Quimica y Minera de Chile S.A. (ADR) SQM 833635105 Chemicals: Diversified 474,451 $22,137,883.66 0.84%
Canadian Solar Inc. CSIQ 136635109 Renewable Energy Equipment 521,203 $20,165,344.07 0.76%
Clearway Energy Inc. (Class C) CWEN 18539C204 Alternative Electricity 710,249 $18,992,058.26 0.72%
Ameresco, Inc. (Class A) AMRC 02361E108 Renewable Energy Equipment 289,021 $18,627,403.45 0.70%
Array Technologies, Inc. ARRY 04271T100 Renewable Energy Equipment 1,103,203 $17,254,094.92 0.65%
Workhorse Group Inc. WKHS 98138J206 Commercial Vehicles and Parts 1,070,765 $16,586,149.85 0.63%
Blink Charging Co. BLNK 09354A100 Auto Services 364,715 $15,135,672.50 0.57%
TPI Composites, Inc. TPIC 87266J104 Renewable Energy Equipment 318,914 $15,094,199.62 0.57%
JinkoSolar Holding Company Ltd. (ADR) JKS 47759T100 Renewable Energy Equipment 346,135 $13,104,671.10 0.49%
Niu Technologies (ADR) NIU 65481N100 Recreational Vehicles and Boats 383,416 $11,820,715.28 0.45%
Azure Power Global Limited AZRE V0393H103 Alternative Electricity 413,943 $9,818,727.96 0.37%
Maxeon Solar Technologies, Ltd. MAXN Y58473102 Renewable Energy Equipment 373,896 $7,575,132.96 0.29%
American Superconductor Corporation AMSC 030111207 Renewable Energy Equipment 242,441 $4,288,781.29 0.16%
CBAK Energy Technology, Inc. CBAT 14986C102 Electrical Components 767,887 $3,693,536.47 0.14%
GreenPower Motor Company Inc. GP 39540E302 Commercial Vehicles and Parts 181,496 $3,252,408.32 0.12%
US Dollar $USD Other 3,071,226 $3,071,226.03 0.12%
ReneSola Ltd. (ADR) SOL 75971T301 Renewable Energy Equipment 347,685 $3,014,428.95 0.11%
Infrastructure and Energy Alternatives, Inc. IEA 45686J104 Engineering and Contracting Services 215,853 $2,737,016.04 0.10%
O2Micro International Limited (ADR) OIIM 67107W100 Semiconductors 289,924 $2,110,646.72 0.08%
LSI Industries Inc. LYTS 50216C108 Building Materials: Other 230,194 $1,834,646.18 0.07%
Orion Energy Systems, Inc. OESX 686275108 Building Materials: Other 267,214 $1,533,808.36 0.06%
Flux Power Holdings, Inc. FLUX 344057302 Electronic Components 115,127 $1,264,094.46 0.05%
Holdings are subject to change.

The holdings information set forth above for the date indicated reflects creation and redemption transactions from the prior business day and may differ from the holdings information currently available from the Fund's custodian and accounting agent. With respect to the market value of the Fund's holdings set forth above, the pricing sources are generally third party vendors. The Fund ultimately relies on pricing information provided by the Fund's accounting agent.