1

Nuveen

Dow

30

SM

Dynamic

Overwrite

Fund

Portfolio

of

Investments

March

31,

2023

(Unaudited)

DIAX

Shares

Description

(1)

Value

LONG-TERM

INVESTMENTS

-

102.5%   

X

584,658,751

COMMON

STOCKS

-

101.3%

X

584,658,751

Aerospace

&

Defense

-

4.3%

115,806

Boeing

Co/The

(2)

$

24,600,669

Total

Aerospace

&

Defense

24,600,669

Banks

-

2.6%

115,806

JPMorgan

Chase

&

Co

15,090,680

Total

Banks

15,090,680

Beverages

-

1.2%

115,806

Coca-Cola

Co/The

7,183,446

Total

Beverages

7,183,446

Biotechnology

-

4.9%

115,806

Amgen

Inc

(3)

27,996,100

Total

Biotechnology

27,996,100

Capital

Markets

-

6.6%

115,806

Goldman

Sachs

Group

Inc/The

(3)

37,881,301

Total

Capital

Markets

37,881,301

Chemicals

-

1.1%

115,806

Dow

Inc

6,348,485

Total

Chemicals

6,348,485

Communications

Equipment

-

1.0%

115,806

Cisco

Systems

Inc

6,053,759

Total

Communications

Equipment

6,053,759

Consumer

Finance

-

3.3%

115,806

American

Express

Co

19,102,200

Total

Consumer

Finance

19,102,200

Consumer

Staples

Distribution

&

Retail

-

3.7%

115,806

Walgreens

Boots

Alliance

Inc

4,004,571

115,806

Walmart

Inc

17,075,595

Total

Consumer

Staples

Distribution

&

Retail

21,080,166

Diversified

Telecommunication

Services

-

0.8%

115,806

Verizon

Communications

Inc

4,503,695

Total

Diversified

Telecommunication

Services

4,503,695

Entertainment

-

2.0%

115,806

Walt

Disney

Co/The

(2)

11,595,655

Total

Entertainment

11,595,655

Financial

Services

-

4.5%

115,806

Visa

Inc,

Class

A

26,109,621

Total

Financial

Services

26,109,621

Health

Care

Providers

&

Services

-

9.5%

115,806

UnitedHealth

Group

Inc

54,728,758

Total

Health

Care

Providers

&

Services

54,728,758

Nuveen

Dow

30SM

Dynamic

Overwrite

Fund

(continued)

Portfolio

of

Investments

March

31,

2023

(Unaudited)

2

DIAX

Shares

Description

(1)

Value

Hotels,

Restaurants

&

Leisure

-

5.6%

115,806

McDonald's

Corp

$

32,380,516

Total

Hotels,

Restaurants

&

Leisure

32,380,516

Household

Products

-

3.0%

115,806

Procter

&

Gamble

Co/The

17,219,194

Total

Household

Products

17,219,194

Industrial

Conglomerates

-

5.9%

115,806

3M

Co

12,172,368

115,806

Honeywell

International

Inc

22,132,843

Total

Industrial

Conglomerates

34,305,211

Insurance

-

3.4%

115,806

Travelers

Cos

Inc/The

19,850,306

Total

Insurance

19,850,306

IT

Services

-

2.6%

115,806

International

Business

Machines

Corp

15,181,009

Total

IT

Services

15,181,009

Machinery

-

4.6%

115,806

Caterpillar

Inc

26,501,045

Total

Machinery

26,501,045

Oil,

Gas

&

Consumable

Fuels

-

3.3%

115,806

Chevron

Corp

18,894,907

Total

Oil,

Gas

&

Consumable

Fuels

18,894,907

Pharmaceuticals

-

5.2%

115,806

Johnson

&

Johnson

17,949,930

115,806

Merck

&

Co

Inc

12,320,600

Total

Pharmaceuticals

30,270,530

Semiconductors

&

Semiconductor

Equipment

-

0.7%

115,806

Intel

Corp

3,783,382

Total

Semiconductors

&

Semiconductor

Equipment

3,783,382

Software

-

9.8%

115,806

Microsoft

Corp

33,386,870

115,806

Salesforce

Inc

(2)

23,135,722

Total

Software

56,522,592

Specialty

Retail

-

5.9%

115,806

Home

Depot

Inc/The

34,176,667

Total

Specialty

Retail

34,176,667

Technology

Hardware,

Storage

&

Peripherals

-

3.3%

115,806

Apple

Inc

(3)

19,096,409

Total

Technology

Hardware,

Storage

&

Peripherals

19,096,409

Textiles,

Apparel

&

Luxury

Goods

-

2.5%

115,806

NIKE

Inc,

Class

B

14,202,448

Total

Textiles,

Apparel

&

Luxury

Goods

14,202,448

Total

Common

Stocks

(cost

$241,768,677)

584,658,751

3

Investments

in

Derivatives

Part

F

of

Form

N-PORT

was

prepared

in

accordance

with

U.S.

generally

accepted

accounting

principles

(“U.S.

GAAP”)

and

in

conformity

with

the

applicable

rules

and

regulations

of

the

U.S.

Securities

and

Exchange

Commission

(“SEC”)

related

to

interim

filings.

Part

F

of

Form

N-PORT

does

not

include

all

information

and

footnotes

required

by

U.S.

GAAP

for

complete

financial

statements.

Certain

footnote

disclosures

normally

included

in

financial

statements

prepared

in

accordance

with

U.S.

GAAP

have

been

condensed

or

omitted

from

this

report

pursuant

to

the

rules

of

the

SEC.

For

a

full

set

of

the

Fund’s

notes

to

financial

statements,

please

refer

to

the

Fund’s

most

recently

filed

annual

or

semi-annual

report.

Fair

Value

Measurements

The

Fund’s

investments

in

securities

are

recorded

at

their

estimated

fair

value

utilizing

valuation

methods

approved

by

the

Board

of

Directors/

Trustees.

Fair

value

is

defined

as

the

price

that

would

be

received

upon

selling

an

investment

or

transferring

a

liability

in

an

orderly

transaction

to

an

independent

buyer

in

the

principal

or

most

advantageous

market

for

the

investment.

U.S.

GAAP

establishes

the

three-tier

hierarchy

which

is

used

to

Shares

Description

(1)

Value

X

7,021,040

EXCHANGE-TRADED

FUNDS

-

1.2%

X

7,021,040

34,400

Vanguard

Total

Stock

Market

ETF

$

7,021,040

Total

Exchange-Traded

Funds

(cost

$6,585,403)

7,021,040

Total

Long-Term

Investments

(cost

$248,354,080)

591,679,791

Shares

Description

(1)

Coupon

Value

INVESTMENTS

PURCHASED

WITH

COLLATERAL

FROM

SECURITIES

LENDING

-

  0.0%

10,840

MONEY

MARKET

FUNDS

-

0.0%

X

10,840

10,840

State

Street

Navigator

Securities

Lending

Government

Money

Market

Portfolio

(4)

4.840%(5)

$

10,840

Total

Investments

Purchased

with

Collateral

from

Securities

Lending

(cost

$10,840)

10,840

Principal

Amount

(000)

Description

(1)

Coupon

Maturity

Value

SHORT-TERM

INVESTMENTS

-

 2.0%  

11,494,899

REPURCHASE

AGREEMENTS

-

2.0%

11,494,899

$

11,495

Repurchase

Agreement

with

Fixed

Income

Clearing

Corporation,

dated

3/31/23,

repurchase

price

$11,496,278,

collateralized

by

$8,188,600,

U.S.

Treasury

Note,

2.25%,

due

11/15/25,

value

$7,904,685;

collateralized

by

$4,383,600,

U.S.

Treasury

Note,

1.00%,

due

7/31/28,

value

$3,820,193

1.440%

4/03/23

$

11,494,899

Total

Repurchase

Agreements

(cost

$11,494,899)

11,494,899

Total

Short-Term

Investments

(cost

$11,494,899)

11,494,899

Total

Investments

(cost

$

259,859,819

)

-

104

.5

%

603,185,530

Other

Assets

&

Liabilities,

Net

-  (4.5)%(6)

(

26,146,890

)

Net

Assets

Applicable

to

Common

Shares

-

100%

$

577,038,640

Options

Purchased

Description

(7)

Type

Number

of

Contracts

Notional

Amount

(8)

Exercise

Price

Expiration

Date

Value

CBOE

SPX

Volatility

Index

Call

100

$

290,000

$

29

4/19/23

$

3,800

Utilities

Select

Sector

SPDR

Fund

Put

100

660,000

66

4/21/23

7,050

CBOE

SPX

Volatility

Index

Call

50

150,000

30

8/16/23

10,850

Total

Options

Purchased

(premiums

paid

$33,566)

250

$1,100,000

$21,700

Options

Written

Description

(7)

Type

Number

of

Contracts

Notional

Amount

(8)

Exercise

Price

Expiration

Date

Value

S&P

500®

Index

Call

(715)

$

(

280,280,000

)

$

3,920

4/21/23

$

(

15,107,950

)

S&P

500®

Index

Call

(45)

(

18,450,000

)

4,100

4/21/23

(

326,025

)

S&P

500®

Index

Call

(30)

(

12,600,000

)

4,200

5/19/23

(

192,150

)

S&P

500®

Index

Call

(30)

(

12,900,000

)

4,300

5/19/23

(

85,200

)

Total

Options

Written

(premiums

received

$8,049,035)

(820)

$(324,230,000)

$(15,711,325)

Nuveen

Dow

30SM

Dynamic

Overwrite

Fund

(continued)

Portfolio

of

Investments

March

31,

2023

(Unaudited)

4

DIAX

maximize

the

use

of

observable

market

data

and

minimize

the

use

of

unobservable

inputs

and

to

establish

classification

of

fair

value

measurements

for

disclosure

purposes.

Observable

inputs

reflect

the

assumptions

market

participants

would

use

in

pricing

the

asset

or

liability.

Observable

inputs

are

based

on

market

data

obtained

from

sources

independent

of

the

reporting

entity.

Unobservable

inputs

reflect

management’s

assumptions

about

the

assumptions

market

participants

would

use

in

pricing

the

asset

or

liability.

Unobservable

inputs

are

based

on

the

best

information

available

in

the

circumstances.

The

following

is

a

summary

of

the

three-tiered

hierarchy

of

valuation

input

levels.

Level

1

–

Inputs

are

unadjusted

and

prices

are

determined

using

quoted

prices

in

active

markets

for

identical

securities.

Level

2

–

Prices

are

determined

using

other

significant

observable

inputs

(including

quoted

prices

for

similar

securities,

interest

rates,

credit

spreads,

etc.).

Level

3

–

Prices

are

determined

using

significant

unobservable

inputs

(including

management’s

assumptions

in

determining

the

fair

value

of

investments).

The

following

table

summarizes

the

market

value

of

the

Fund's

investments

as

of

the

end

of

the

reporting

period,

based

on

the

inputs

used

to

value

them:

Level

1

Level

2

Level

3

Total

Long-Term

Investments:

Common

Stocks

$

584,658,751

$

–

$

–

$

584,658,751

Exchange-Traded

Funds

7,021,040

–

–

7,021,040

Investments

Purchased

with

Collateral

from

Securities

Lending

10,840

–

–

10,840

Short-Term

Investments:

Repurchase

Agreements

–

11,494,899

–

11,494,899

Investments

in

Derivatives:

Options

Purchased

21,700

–

–

21,700

Options

Written

(15,711,325)

–

–

(15,711,325)

Total

$

576,001,006

$

11,494,899

$

–

$

587,495,905

For

Fund

portfolio

compliance

purposes,

the

Fund’s

industry

classifications

refer

to

any

one

or

more

of

the

industry

sub-classifications

used

by

one

or

more

widely

recognized

market

indexes

or

ratings

group

indexes,

and/or

as

defined

by

Fund

management.

This

definition

may

not

apply

for

purposes

of

this

report,

which

may

combine

industry

sub-classifications

into

sectors

for

reporting

ease.

(1)

All

percentages

shown

in

the

Portfolio

of

Investments

are

based

on

net

assets

applicable

to

common

shares

unless

otherwise

noted.

(2)

Non-income

producing;

issuer

has

not

declared

an

ex-dividend

date

within

the

past

twelve

months.

(3)

Investment,

or

portion

of

investment,

has

been

pledged

to

collateralize

the

net

payment

obligations

for

investments

in

derivatives.

(4)

The

Fund

may

loan

securities

representing

up

to

one

third

of

the

market

value

of

its

total

assets

(which

includes

collateral

for

securities

on

loan)

to

broker

dealers,

banks,

and

other

institutions.

The

collateral

maintained

by

the

Fund

shall

have

a

market

value,

at

the

inception

of

each

loan,

equal

to

not

less

than

100%

of

the

market

value

of

the

loaned

securities.

The

cash

collateral

received

by

the

Fund

is

invested

in

this

money

market

fund.

(5)

The

rate

shown

is

the

one-day

yield

as

of

the

end

of

the

reporting

period.

(6)

Other

assets

less

liabilities

includes

the

unrealized

appreciation

(depreciation)

of

certain

over-the-counter

("OTC")

derivatives

as

well

as

the

OTC

cleared

and

exchange-traded

derivatives,

when

applicable.

(7)

Exchange-traded,

unless

otherwise

noted.

(8)

For

disclosure

purposes,

Notional

Amount

is

calculated

by

multiplying

the

Number

of

Contracts

by

the

Exercise

Price

by

100.

CBOE

Chicago

Board

Options

Exchange

ETF

Exchange-Traded

Fund

S&P

Standard

&

Poor's

SPDR

Standard

&

Poor's

Depositary

Receipt