-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OVH+jJIe3W7ncxP77fp8Q6lu0qKcyh7S7fHOB9UhAgPdCWA9rzvhwTZPKI8ZtSVO
 ql/79+8KCKwMj63yH0jZKQ==

<SEC-DOCUMENT>0001225208-09-011660.txt : 20090506
<SEC-HEADER>0001225208-09-011660.hdr.sgml : 20090506
<ACCEPTANCE-DATETIME>20090506114055
ACCESSION NUMBER:		0001225208-09-011660
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20090427
FILED AS OF DATE:		20090506
DATE AS OF CHANGE:		20090506

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Robbins John F
		CENTRAL INDEX KEY:			0001352298

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05531
		FILM NUMBER:		09800253

	MAIL ADDRESS:	
		STREET 1:		BABSON CAPITAL MANAGEMENT LLC
		STREET 2:		470 ATLANTIC AVE. 10TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210

	FORMER NAME:	
		FORMER CONFORMED NAME:	Robbins John
		DATE OF NAME CHANGE:	20060206

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASSMUTUAL PARTICIPATION INVESTORS
		CENTRAL INDEX KEY:			0000831655
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				043025730
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1500 MAIN STREET
		STREET 2:		SUITE 600
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01115
		BUSINESS PHONE:		4132261000

	MAIL ADDRESS:	
		STREET 1:		1500 MAIN STREET
		STREET 2:		SUITE 600
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01115

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MASSMUTUAL CORPORATE INVESTORS II
		DATE OF NAME CHANGE:	19880417
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2009-04-27</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000831655</issuerCik>
        <issuerName>MASSMUTUAL PARTICIPATION INVESTORS</issuerName>
        <issuerTradingSymbol>MPV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001352298</rptOwnerCik>
            <rptOwnerName>Robbins John F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1500 MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>P O BOX 15189</rptOwnerStreet2>
            <rptOwnerCity>SPRINGFIELD</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01115</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOther>1</isOther>
            <otherText>Officer of Adviser</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>robbins.TXT</remarks>

    <ownerSignature>
        <signatureName>/s/ Jenna Iannelli as Attorney-in-fact</signatureName>
        <signatureDate>2009-04-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>robbins.txt
<TEXT>




SEC Form 3, Form 4 and Form 5 and Application for EDGAR Access
(Form ID) Confirmation of Authority to Sign

Pursuant to Instruction 7 to SEC "Form 3 - Initial Statement of Beneficial
Ownership of Security," "Form 4--Statement of Changes in Beneficial Ownership"
and "Form 5 - Annual Statement of Beneficial Ownership of Securities" the
undersigned, being Chief Compliance Officer, and  Managing Director of the
Adviser hereby appoint and designate Jenna Iannelli, Mark Godin, Melissa Busso,
Ruth Howe, Ann Malloy and Melissa LaGrant each as my true and lawful attorneys
in fact with full power to (a) apply for access to the EDGAR filing system in my
  name and (b) sign for me and file with the Securities and Exchange Commission,
  the New York Stock Exchange and the Trust said SEC Forms 3 4 and/or5 with
respect to shares of the Trust purchased or sold by the undersigned or any other
  change of beneficial ownership relating to equity or derivative securities of
the Trust required to be reported by the undersigned.


This authorization shall remain in effect until a written revocation is executed
  by the undersigned and filed with the Securities and Exchange



Signature and Date: ________________________04/30/2009___________________
Name: John Robbins
Title:  Chief Compliance Officer, and Managing Director of Babson Capital
Management LLC










</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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