Label

Element

Value

Prospectus [Line Items]

rr_ProspectusLineItems

Supplement to Prospectus [Text Block]

rr_SupplementToProspectusTextBlock

Pacer Swan SOS Conservative (March) ETF (PSCW)

Pacer Swan SOS Conservative (June) ETF (PSCJ)

Pacer Swan SOS Conservative (September) ETF (PSCS)

Pacer Swan SOS Moderate (March) ETF (PSMR)

Pacer Swan SOS Moderate (June) ETF (PSMJ)

Pacer Swan SOS Moderate (September) ETF (PSMS)

Pacer Swan SOS Flex (March) ETF (PSFM)

Pacer Swan SOS Flex (June) ETF (PSFJ)

Pacer Swan SOS Flex (September) ETF (PSFS)

(each a “Fund”)

Supplement dated March 16, 2021 to the

Prospectus and Statement of Additional Information (“SAI”), each dated December 23, 2020

Effective immediately, the name of each Fund has been changed as follows:

Old Name	New Name
Pacer Swan SOS Conservative (March) ETF	Pacer Swan SOS Conservative (April) ETF
Pacer Swan SOS Conservative (June) ETF	Pacer Swan SOS Conservative (July) ETF
Pacer Swan SOS Conservative (September) ETF	Pacer Swan SOS Conservative (October) ETF
Pacer Swan SOS Moderate (March) ETF	Pacer Swan SOS Moderate (April) ETF
Pacer Swan SOS Moderate (June) ETF	Pacer Swan SOS Moderate (July) ETF
Pacer Swan SOS Moderate (September) ETF	Pacer Swan SOS Moderate (October) ETF
Pacer Swan SOS Flex (March) ETF	Pacer Swan SOS Flex (April) ETF
Pacer Swan SOS Flex (June) ETF	Pacer Swan SOS Flex (July) ETF
Pacer Swan SOS Flex (September) ETF	Pacer Swan SOS Flex (October) ETF

All references in the Prospectus and SAI to the old names are revised to refer to the new names.

The investment period start date and investment period end date for each Fund is hereby revised as follows:

Fund	Investment Period Start	Investment Period End
Pacer Swan SOS Conservative (April) ETF	April 1, 2021	March 31, 2022
Pacer Swan SOS Conservative (July) ETF	July 1, 2021	June 30, 2022
Pacer Swan SOS Conservative (October) ETF	October 1, 2021	September 30, 2022
Pacer Swan SOS Moderate (April) ETF	April 1, 2021	March 31, 2022
Pacer Swan SOS Moderate (July) ETF	July 1, 2021	June 30, 2022
Pacer Swan SOS Moderate (October) ETF	October 1, 2021	September 30, 2022
Pacer Swan SOS Flex (April) ETF	April 1, 2021	March 31, 2022
Pacer Swan SOS Flex (July) ETF	July 1, 2021	June 30, 2022
Pacer Swan SOS Flex (October) ETF	October 1, 2021	September 30, 2022

Supplement Closing [Text Block]

ck0001616668_SupplementClosingTextBlock

Please retain this Supplement with your Prospectus and SAI for future reference.

Pacer Swan SOS Conservative (April) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Conservative (April) ETF

Pacer Swan SOS Conservative (April) ETF | Pacer Swan SOS Conservative (April) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSCW

Pacer Swan SOS Conservative (July) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Conservative (July) ETF

Pacer Swan SOS Conservative (July) ETF | Pacer Swan SOS Conservative (July) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSCJ

Pacer Swan SOS Conservative (October) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Conservative (October) ETF

Pacer Swan SOS Conservative (October) ETF | Pacer Swan SOS Conservative (October) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSCS

Pacer Swan SOS Moderate (April) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Moderate (April) ETF

Pacer Swan SOS Moderate (April) ETF | Pacer Swan SOS Moderate (April) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSMR

Pacer Swan SOS Moderate (July) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Moderate (July) ETF

Pacer Swan SOS Moderate (July) ETF | Pacer Swan SOS Moderate (July) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSMJ

Pacer Swan SOS Moderate (October) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Moderate (October) ETF

Pacer Swan SOS Moderate (October) ETF | Pacer Swan SOS Moderate (October) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSMS

Pacer Swan SOS Flex (April) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Flex (April) ETF

Pacer Swan SOS Flex (April) ETF | Pacer Swan SOS Flex (April) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSFM

Pacer Swan SOS Flex (July) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Flex (July) ETF

Pacer Swan SOS Flex (July) ETF | Pacer Swan SOS Flex (July) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSFJ

Pacer Swan SOS Flex (October) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Risk/Return [Heading]

rr_RiskReturnHeading

Pacer Swan SOS Flex (October) ETF

Pacer Swan SOS Flex (October) ETF | Pacer Swan SOS Flex (October) ETF

Prospectus [Line Items]

rr_ProspectusLineItems

Trading Symbol

dei_TradingSymbol

PSFS