Shares
Market
Value
COMMON
STOCKS
—
97.7%
ENERGY
AND
UTILITIES
—
83.1%
Alternative
Energy
—
1.0%
380,000
Algonquin
Power
&
Utilities
Corp.
.............
$
3,188,457
44,359
Brookfield
Renewable
Corp.,
Cl. A
.............
1,550,347
15,000
Clearway
Energy
Inc.,
Cl. C
.......................
469,950
900
Enphase
Energy
Inc.†
...............................
189,252
38,000
Eos
Energy
Enterprises
Inc.†
....................
97,660
1,000
First
Solar
Inc.†
........................................
217,500
10,000
Fluence
Energy
Inc.†
................................
202,500
13,000
Landis+Gyr
Group
AG
...............................
995,301
95,563
NextEra
Energy
Partners
LP
......................
5,805,452
65,500
Ormat
Technologies
Inc.
...........................
5,552,435
1,600
SolarEdge
Technologies
Inc.†
...................
486,320
18,755,174
Diversified
Industrial
—
0.7%
81,407
AZZ
Inc.
...................................................
3,357,225
2,000
Chart
Industries
Inc.†
...............................
250,800
8,000
Graham
Corp.†
.........................................
104,640
66,080
ITT
Inc.
....................................................
5,702,704
272,283
Mueller
Water
Products
Inc.,
Cl. A
.............
3,795,625
30,000
Park-Ohio
Holdings
Corp.
.........................
362,400
13,573,394
Electric
Integrated
—
51.8%
284,750
ALLETE
Inc.
.............................................
18,329,357
175,000
Alliant
Energy
Corp.
..................................
9,345,000
526,000
Ameren
Corp.
...........................................
45,441,140
664,000
American
Electric
Power
Co.
Inc.
..............
60,417,360
180,000
Avangrid
Inc.
............................................
7,178,400
284,000
Avista
Corp.
.............................................
12,055,800
430,508
Black
Hills
Corp.
.......................................
27,165,055
63,325
CMS
Energy
Corp.
....................................
3,886,889
441,000
Dominion
Energy
Inc.
...............................
24,656,310
17,700
DTE
Energy
Co.
........................................
1,938,858
284,500
Duke
Energy
Corp.
...................................
27,445,715
388,000
Edison
International
..................................
27,388,920
11,900
Entergy
Corp.
...........................................
1,282,106
1,130,600
Evergy
Inc.
...............................................
69,102,272
777,500
Eversource
Energy
....................................
60,847,150
320,000
Exelon
Corp.
............................................
13,404,800
350,750
FirstEnergy
Corp.
.....................................
14,051,045
171,000
Fortis
Inc.
................................................
7,268,923
908,000
Hawaiian
Electric
Industries
Inc.
...............
34,867,200
43,200
IDACORP
Inc.
...........................................
4,679,856
300,000
MGE
Energy
Inc.
......................................
23,301,000
2,271,200
NextEra
Energy
Inc.
..................................
175,064,096
260,000
NiSource
Inc.
...........................................
7,269,600
428,000
NorthWestern
Corp.
..................................
24,764,080
795,000
OGE
Energy
Corp.
.....................................
29,939,700
637,700
Otter
Tail
Corp.
.........................................
46,086,579
305,000
PG&E
Corp.†
............................................
4,931,850
Shares
Market
Value
320,000
Pinnacle
West
Capital
Corp.
......................
$
25,356,800
537,000
PNM
Resources
Inc.
.................................
26,141,160
128,750
Portland
General
Electric
Co.
.....................
6,294,588
540,000
PPL
Corp.
................................................
15,006,600
182,500
Public
Service
Enterprise
Group
Inc.
.........
11,397,125
435,200
The
Southern
Co.
.....................................
30,281,216
50,000
Unitil
Corp.
...............................................
2,852,000
568,500
WEC
Energy
Group
Inc.
............................
53,888,115
422,500
Xcel
Energy
Inc.
.......................................
28,493,400
981,820,065
Electric
Transmission
and
Distribution
—
0.8%
62,000
Consolidated
Edison
Inc.
..........................
5,931,540
100,333
Constellation
Energy
Corp.
........................
7,876,140
6,000
Sempra
Energy
.........................................
906,960
3,000
The
Timken
Co.
........................................
245,160
14,959,800
Environmental
Services
—
0.2%
500
Badger
Meter
Inc.
.....................................
60,910
1,000
Tetra
Tech
Inc.
..........................................
146,910
80,000
Veolia
Environnement
SA
..........................
2,463,984
2,000
Waste
Connections
Inc.
............................
278,140
2,949,944
Global
Utilities
—
2.7%
10,053
AES
Brasil
Energia
SA
...............................
19,834
37,000
Chubu
Electric
Power
Co.
Inc.
...................
389,855
20,000
E.ON
SE
...................................................
249,435
5,000
EDP
-
Energias
de
Portugal
SA,
ADR
.........
271,850
165,000
Electric
Power
Development
Co.
Ltd.
.........
2,648,202
204,500
Emera
Inc.
...............................................
8,400,917
35,000
Enagas
SA
................................................
671,848
100,000
Endesa
SA
................................................
2,169,000
290,000
Enel
SpA
..................................................
1,769,720
75,000
Equinor
ASA
.............................................
2,139,726
560,000
Hera
SpA
.................................................
1,580,247
25,000
Hokkaido
Electric
Power
Co.
Inc.†
.............
91,508
8,000
Hokuriku
Electric
Power
Co.†
....................
35,729
175,000
Huaneng
Power
International
Inc.,
ADR†
...
3,673,927
460,000
Iberdrola
SA
.............................................
5,729,522
50,000
Iberdrola
SA,
ADR
....................................
2,486,000
25,000
Italgas
SpA
..............................................
152,508
365,000
Korea
Electric
Power
Corp.,
ADR†
.............
2,533,100
80,000
Kyushu
Electric
Power
Co.
Inc.†
...............
456,110
125,000
National
Grid
plc
.......................................
1,690,803
40,000
National
Grid
plc,
ADR
..............................
2,719,600
360,000
Red
Electrica
Corp.
SA
..............................
6,324,804
30,000
Shikoku
Electric
Power
Co.
Inc.†
...............
170,137
2,000
Snam
SpA
................................................
10,604
19,000
The
Chugoku
Electric
Power
Co.
Inc.†
.......
96,306
300,000
The
Kansai
Electric
Power
Co.
Inc.
............
2,916,965
140,000
Tohoku
Electric
Power
Co.
Inc.†
................
694,860