497

Prospectus Supplement   November 1, 2018  

Putnam Short Duration Income Fund
Prospectus dated November 30, 2017

Effective November 1, 2018, class T shares of the fund will be redesignated as class N shares and will be available for purchase by all investors.

In connection with this redesignation, the prospectus is supplemented as follows.

All references to “class T” are removed and replaced with references to “class N.”

The following information replaces similar information for the share class under Fund summary — Fees and expenses – Shareholder fees:

	Maximum sales charge (load)	Maximum deferred sales charge (load) (as
Share	imposed on purchases (as	a percentage of original purchase price or
class	a percentage of offering price)	redemption proceeds, whichever is lower)
Class N	1.50%	0.25% †

† Applies only to certain redemptions of shares bought with no initial sales charge.

The following information replaces similar disclosure for the share class under Fund summary — Fees and expenses – Example:

Share class	1 year	3 years	5 years	10 years
Class N	$205	$356	$519	$994

The following information replaces similar information for the share class under Fund summary – Investments, risks, and performance – Performance – Average annual total returns after sales charges:

			Since inception
Share class	1 year	5 years	(10/17/11)
Class N before taxes**	-0.68%	0.20%	0.20%

**Class N shares were not outstanding during the periods shown. Performance shown for class N shares is derived from the historical performance of class A shares, adjusted for the sales charge and higher 12b-1 fees currently applicable to class N shares.

312693 11/18

XML

Putnam Short Duration Income Fund Supplement

Total

Risk/Return:

Supplement Text

Prospectus Supplement   November 1, 2018  

Putnam Short Duration Income Fund
Prospectus dated November 30, 2017

Effective November 1, 2018, class T shares of the fund will be redesignated as class N shares and will be available for purchase by all investors.

In connection with this redesignation, the prospectus is supplemented as follows.

All references to “class T” are removed and replaced with references to “class N.”

The following information replaces similar information for the share class under Fund summary — Fees and expenses – Shareholder fees:

	Maximum sales charge (load)	Maximum deferred sales charge (load) (as
Share	imposed on purchases (as	a percentage of original purchase price or
class	a percentage of offering price)	redemption proceeds, whichever is lower)
Class N	1.50%	0.25% †

† Applies only to certain redemptions of shares bought with no initial sales charge.

The following information replaces similar disclosure for the share class under Fund summary — Fees and expenses – Example:

Share class	1 year	3 years	5 years	10 years
Class N	$205	$356	$519	$994

The following information replaces similar information for the share class under Fund summary – Investments, risks, and performance – Performance – Average annual total returns after sales charges:

			Since inception
Share class	1 year	5 years	(10/17/11)
Class N before taxes**	-0.68%	0.20%	0.20%

**Class N shares were not outstanding during the periods shown. Performance shown for class N shares is derived from the historical performance of class A shares, adjusted for the sales charge and higher 12b-1 fees currently applicable to class N shares.

312693 11/18

XML

Putnam Short Duration Income Fund

<b>Shareholder fees </b><i>(fees paid directly from your investment)

Shareholder Fees	Putnam Short Duration Income Fund Class N
Maximum sales charge (load) imposed on purchases (as a percentage of offering price)	1.50%
Maximum deferred sales charge (load) (as a percentage of original purchase price or redemption proceeds, whichever is lower)	0.25%	[1]

<b>Example</b>

Expense Example	Expense Example, with Redemption, 1 Year	Expense Example, with Redemption, 3 Years	Expense Example, with Redemption, 5 Years	Expense Example, with Redemption, 10 Years
Putnam Short Duration Income Fund | Class N | USD ($)	205	356	519	994

<b>Average annual total returns after sales charges </b><i>(for periods ending 12/31/16)</i>

Average Annual Total Returns		1 Year	5 Years	Since Inception	Inception Date
Putnam Short Duration Income Fund | Class N	[1]	(0.68%)	0.20%	0.20%	Oct. 17, 2011

[1] Applies only to certain redemptions of shares bought with no initial sales charge.

[1] Class N shares were not outstanding during the periods shown. Performance shown for class N shares is derived from the historical performance of class A shares, adjusted for the sales charge and higher 12b-1 fees currently applicable to class N shares.

XML

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Document Type

dei_DocumentType

497

Document Period End Date

dei_DocumentPeriodEndDate

Dec. 31, 2016

Registrant Name

dei_EntityRegistrantName

PUTNAM FUNDS TRUST

Central Index Key

dei_EntityCentralIndexKey

0001005942

Amendment Flag

dei_AmendmentFlag

false

Trading Symbol

dei_TradingSymbol

PFT

Document Creation Date

dei_DocumentCreationDate

Oct. 31, 2018

Document Effective Date

dei_DocumentEffectiveDate

Nov. 01, 2018

Prospectus Date

rr_ProspectusDate

Nov. 30, 2017

Supplement Text

PFT_SupplementText

Prospectus Supplement   November 1, 2018  

Putnam Short Duration Income Fund
Prospectus dated November 30, 2017

Effective November 1, 2018, class T shares of the fund will be redesignated as class N shares and will be available for purchase by all investors.

In connection with this redesignation, the prospectus is supplemented as follows.

All references to “class T” are removed and replaced with references to “class N.”

The following information replaces similar information for the share class under Fund summary — Fees and expenses – Shareholder fees:

	Maximum sales charge (load)	Maximum deferred sales charge (load) (as
Share	imposed on purchases (as	a percentage of original purchase price or
class	a percentage of offering price)	redemption proceeds, whichever is lower)
Class N	1.50%	0.25% †

† Applies only to certain redemptions of shares bought with no initial sales charge.

The following information replaces similar disclosure for the share class under Fund summary — Fees and expenses – Example:

Share class	1 year	3 years	5 years	10 years
Class N	$205	$356	$519	$994

The following information replaces similar information for the share class under Fund summary – Investments, risks, and performance – Performance – Average annual total returns after sales charges:

			Since inception
Share class	1 year	5 years	(10/17/11)
Class N before taxes**	-0.68%	0.20%	0.20%

**Class N shares were not outstanding during the periods shown. Performance shown for class N shares is derived from the historical performance of class A shares, adjusted for the sales charge and higher 12b-1 fees currently applicable to class N shares.

312693 11/18

Putnam Short Duration Income Fund

Risk/Return:

rr_RiskReturnAbstract

Shareholder Fees Caption [Text]

rr_ShareholderFeesCaption

<b>Shareholder fees </b><i>(fees paid directly from your investment)

Expense Example [Heading]

rr_ExpenseExampleHeading

<b>Example</b>

Performance Table Heading

rr_PerformanceTableHeading

<b>Average annual total returns after sales charges </b><i>(for periods ending 12/31/16)</i>

Putnam Short Duration Income Fund | Class N

Risk/Return:

rr_RiskReturnAbstract

Maximum sales charge (load) imposed on purchases (as a percentage of offering price)

rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice

1.50%

Maximum deferred sales charge (load) (as a percentage of original purchase price or redemption proceeds, whichever is lower)

rr_MaximumDeferredSalesChargeOverOther

0.25%

^[1]

Expense Example, with Redemption, 1 Year

rr_ExpenseExampleYear01

$ 205

Expense Example, with Redemption, 3 Years

rr_ExpenseExampleYear03

356

Expense Example, with Redemption, 5 Years

rr_ExpenseExampleYear05

519

Expense Example, with Redemption, 10 Years

rr_ExpenseExampleYear10

$ 994

1 Year

rr_AverageAnnualReturnYear01

(0.68%)

^[2]

5 Years

rr_AverageAnnualReturnYear05

0.20%

^[2]

Since Inception

rr_AverageAnnualReturnSinceInception

0.20%

^[2]

Inception Date

rr_AverageAnnualReturnInceptionDate

Oct. 17, 2011

^[2]

[1] Applies only to certain redemptions of shares bought with no initial sales charge.

[2] Class N shares were not outstanding during the periods shown. Performance shown for class N shares is derived from the historical performance of class A shares, adjusted for the sales charge and higher 12b-1 fees currently applicable to class N shares.