# EDGAR Filing Document

**Accession Number:** 0000927972
**File Stem:** 0001133228-25-007712
**Filing Date:** 2025-7
**Character Count:** 17320
**Document Hash:** 3457df19f8782198abb6f4ccd2a7c7fa
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-25-007712.hdr.sgml**: 20250729

**ACCESSION NUMBER**: 0001133228-25-007712

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250729

**DATE AS OF CHANGE**: 20250729

**EFFECTIVENESS DATE**: 20250729

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MASSMUTUAL PREMIER FUNDS
- **CENTRAL INDEX KEY:** 0000927972

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-82366
- **FILM NUMBER:** 251161575

**BUSINESS ADDRESS:**
- **STREET 1:** 1295 STATE STREET
- **CITY:** SPRINGFIELD
- **STATE:** MA
- **ZIP:** 01111
- **BUSINESS PHONE:** 413-744-1000

**MAIL ADDRESS:**
- **STREET 1:** 1295 STATE STREET
- **CITY:** SPRINGFIELD
- **STATE:** MA
- **ZIP:** 01111

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** DLB FUND GROUP
- **DATE OF NAME CHANGE:** 19940804

## Series and Classes Contracts Data

### MassMutual Balanced Fund (Series ID: S000003776)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MMBDX         | C000010469 |
| Administrative Class | MMBLX         | C000010470 |
| Class R5             | MBLDX         | C000010472 |
| Service Class        | MBAYX         | C000010473 |
| Class R4             | MBBRX         | C000137064 |
| Class I              | MBBIX         | C000137065 |
| Class R3             | MMBRX         | C000137066 |
| Class Y              | MMNVX         | C000241046 |

---

### MassMutual Global Fund (Series ID: S000003778)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MGFAX         | C000010479 |
| Administrative Class | MGFLX         | C000010480 |
| Class R3             | MGFNX         | C000010481 |
| Class R5             | MGFSX         | C000010482 |
| Service Class        | MGFYX         | C000010483 |
| Class R4             | MGFRX         | C000137068 |
| Class I              | MGFZX         | C000137069 |
| Class Y              | MMOCX         | C000241047 |

---

### MassMutual High Yield Fund (Series ID: S000003779)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MPHAX         | C000010484 |
| Administrative Class | MPHLX         | C000010485 |
| Class R3             | MPHNX         | C000010486 |
| Class R5             | MPHSX         | C000010487 |
| Service Class        | DLHYX         | C000010488 |
| Class I              | MPHZX         | C000098420 |
| Class R4             | MPHRX         | C000137070 |
| Class Y              | BXHYX         | C000229373 |
| Class C              | BXHCX         | C000229374 |

---

### MassMutual Inflation-Protected and Income Fund (Series ID: S000003780)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MPSAX         | C000010489 |
| Administrative Class | MIPLX         | C000010490 |
| Class R3             | MIPNX         | C000010491 |
| Class R5             | MIPSX         | C000010492 |
| Service Class        | MIPYX         | C000010493 |
| Class I              | MIPZX         | C000098421 |
| Class R4             | MIPRX         | C000137071 |
| Class Y              | MMODX         | C000241048 |

---

### MassMutual International Equity Fund (Series ID: S000003781)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MMIAX         | C000010494 |
| Administrative Class | MIELX         | C000010495 |
| Class R5             | MIEDX         | C000010497 |
| Service Class        | MYIEX         | C000010498 |
| Class I              | MIZIX         | C000137072 |
| Class R3             | MEERX         | C000137073 |
| Class R4             | MEIRX         | C000137074 |
| Class Y              | MMOEX         | C000241049 |

---

### MassMutual U.S. Government Money Market Fund (Series ID: S000003784)

---

|  |  |  |
|:---|:---|:---|
| Class Name | Ticker Symbol | Class ID   |
| Class R5   | MKSXX         | C000010511 |

---

### MassMutual Short-Duration Bond Fund (Series ID: S000003785)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MSHAX         | C000010513 |
| Administrative Class | MSTLX         | C000010514 |
| Class R3             | MSDNX         | C000010515 |
| Class R5             | MSTDX         | C000010516 |
| Service Class        | MSBYX         | C000010517 |
| Class I              | MSTZX         | C000095043 |
| Class R4             | MPSDX         | C000137077 |
| Class Y              | BXDYX         | C000229375 |
| Class C              | BXDCX         | C000229376 |
| Class L              | BXDLX         | C000229377 |

---

### MassMutual Small Cap Opportunities Fund (Series ID: S000003788)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | DLBMX         | C000010528 |
| Administrative Class | MSCLX         | C000010529 |
| Class R5             | MSCDX         | C000010531 |
| Service Class        | MSVYX         | C000010532 |
| Class R4             | MOORX         | C000137078 |
| Class I              | MSOOX         | C000137079 |
| Class R3             | MCCRX         | C000137080 |
| Class Y              | MMOGX         | C000241051 |

---

### MassMutual Core Bond Fund (Series ID: S000003791)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MMCBX         | C000010543 |
| Administrative Class | MCBLX         | C000010544 |
| Class R3             | MCBNX         | C000010545 |
| Class R5             | MCBDX         | C000010546 |
| Service Class        | MCBYX         | C000010547 |
| Class I              | MCZZX         | C000095044 |
| Class R4             | MCZRX         | C000137083 |
| Class Y              | MMNWX         | C000241052 |

---

### MassMutual Diversified Bond Fund (Series ID: S000003793)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MDVAX         | C000010553 |
| Administrative Class | MDBLX         | C000010554 |
| Class R5             | MDBSX         | C000010556 |
| Service Class        | MDBYX         | C000010557 |
| Class I              | MDBZX         | C000095045 |
| Class R4             | MDBFX         | C000137084 |
| Class R3             | MDBRX         | C000137085 |
| Class Y              | MMOBX         | C000241053 |

---

### MassMutual Disciplined Growth Fund (Series ID: S000003795)

---

|  |  |  |
|:---|:---|:---|
| Class Name           | Ticker Symbol | Class ID   |
| Class A              | MPGAX         | C000010563 |
| Administrative Class | MPGLX         | C000010564 |
| Class R5             | MPGSX         | C000010566 |
| Service Class        | DEIGX         | C000010567 |
| Class R4             | MPDGX         | C000137086 |
| Class I              | MPDIX         | C000137087 |
| Class R3             | MPDRX         | C000137088 |
| Class Y              | MMNYX         | C000241054 |

---

## Series and Classes Contracts Data

### MassMutual Balanced Fund (Series ID: S000003776)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010469 | Class A              | MMBDX           |
| C000010470 | Administrative Class | MMBLX           |
| C000010472 | Class R5             | MBLDX           |
| C000010473 | Service Class        | MBAYX           |
| C000137064 | Class R4             | MBBRX           |
| C000137065 | Class I              | MBBIX           |
| C000137066 | Class R3             | MMBRX           |
| C000241046 | Class Y              | MMNVX           |

### MassMutual Global Fund (Series ID: S000003778)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010479 | Class A              | MGFAX           |
| C000010480 | Administrative Class | MGFLX           |
| C000010481 | Class R3             | MGFNX           |
| C000010482 | Class R5             | MGFSX           |
| C000010483 | Service Class        | MGFYX           |
| C000137068 | Class R4             | MGFRX           |
| C000137069 | Class I              | MGFZX           |
| C000241047 | Class Y              | MMOCX           |

### MassMutual High Yield Fund (Series ID: S000003779)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010484 | Class A              | MPHAX           |
| C000010485 | Administrative Class | MPHLX           |
| C000010486 | Class R3             | MPHNX           |
| C000010487 | Class R5             | MPHSX           |
| C000010488 | Service Class        | DLHYX           |
| C000098420 | Class I              | MPHZX           |
| C000137070 | Class R4             | MPHRX           |
| C000229373 | Class Y              | BXHYX           |
| C000229374 | Class C              | BXHCX           |

### MassMutual Inflation-Protected and Income Fund (Series ID: S000003780)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010489 | Class A              | MPSAX           |
| C000010490 | Administrative Class | MIPLX           |
| C000010491 | Class R3             | MIPNX           |
| C000010492 | Class R5             | MIPSX           |
| C000010493 | Service Class        | MIPYX           |
| C000098421 | Class I              | MIPZX           |
| C000137071 | Class R4             | MIPRX           |
| C000241048 | Class Y              | MMODX           |

### MassMutual International Equity Fund (Series ID: S000003781)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010494 | Class A              | MMIAX           |
| C000010495 | Administrative Class | MIELX           |
| C000010497 | Class R5             | MIEDX           |
| C000010498 | Service Class        | MYIEX           |
| C000137072 | Class I              | MIZIX           |
| C000137073 | Class R3             | MEERX           |
| C000137074 | Class R4             | MEIRX           |
| C000241049 | Class Y              | MMOEX           |

### MassMutual U.S. Government Money Market Fund (Series ID: S000003784)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000010511 | Class R5     | MKSXX           |

### MassMutual Short-Duration Bond Fund (Series ID: S000003785)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010513 | Class A              | MSHAX           |
| C000010514 | Administrative Class | MSTLX           |
| C000010515 | Class R3             | MSDNX           |
| C000010516 | Class R5             | MSTDX           |
| C000010517 | Service Class        | MSBYX           |
| C000095043 | Class I              | MSTZX           |
| C000137077 | Class R4             | MPSDX           |
| C000229375 | Class Y              | BXDYX           |
| C000229376 | Class C              | BXDCX           |
| C000229377 | Class L              | BXDLX           |

### MassMutual Small Cap Opportunities Fund (Series ID: S000003788)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010528 | Class A              | DLBMX           |
| C000010529 | Administrative Class | MSCLX           |
| C000010531 | Class R5             | MSCDX           |
| C000010532 | Service Class        | MSVYX           |
| C000137078 | Class R4             | MOORX           |
| C000137079 | Class I              | MSOOX           |
| C000137080 | Class R3             | MCCRX           |
| C000241051 | Class Y              | MMOGX           |

### MassMutual Core Bond Fund (Series ID: S000003791)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010543 | Class A              | MMCBX           |
| C000010544 | Administrative Class | MCBLX           |
| C000010545 | Class R3             | MCBNX           |
| C000010546 | Class R5             | MCBDX           |
| C000010547 | Service Class        | MCBYX           |
| C000095044 | Class I              | MCZZX           |
| C000137083 | Class R4             | MCZRX           |
| C000241052 | Class Y              | MMNWX           |

### MassMutual Diversified Bond Fund (Series ID: S000003793)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010553 | Class A              | MDVAX           |
| C000010554 | Administrative Class | MDBLX           |
| C000010556 | Class R5             | MDBSX           |
| C000010557 | Service Class        | MDBYX           |
| C000095045 | Class I              | MDBZX           |
| C000137084 | Class R4             | MDBFX           |
| C000137085 | Class R3             | MDBRX           |
| C000241053 | Class Y              | MMOBX           |

### MassMutual Disciplined Growth Fund (Series ID: S000003795)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000010563 | Class A              | MPGAX           |
| C000010564 | Administrative Class | MPGLX           |
| C000010566 | Class R5             | MPGSX           |
| C000010567 | Service Class        | DEIGX           |
| C000137086 | Class R4             | MPDGX           |
| C000137087 | Class I              | MPDIX           |
| C000137088 | Class R3             | MPDRX           |
| C000241054 | Class Y              | MMNYX           |

#### MASSMUTUAL FUNDS<br>

#### MassMutual U.S. Government Money Market Fund<br>

#### MassMutual Inflation-Protected and Income Fund <br>

#### MassMutual Core Bond Fund<br>

#### MassMutual Diversified Bond Fund<br>

#### MassMutual Balanced Fund<br>

#### MassMutual Disciplined Growth Fund<br>

#### MassMutual Small Cap Opportunities Fund<br>

#### MassMutual Global Fund<br>

#### MassMutual International Equity Fund<br>

#### Supplement dated July 29, 2025 to the<br>

#### Statement of Additional Information dated February 1, 2025
This supplement provides new and additional information beyond that contained in the Statement of Additional Information ("SAI") and any previous supplements. It should be retained and read in conjunction with the SAI and any previous supplements.

*Effective immediately, the following information supplements the information beginning on page B-55 under the heading **Principal Officers** in the section titled **Management of the Trust**:* 

---

| | |
|:---|:---|
| **Brian Pelkola**<br>| Vice President of the Trust |
| 1295 State Street |  |
| Springfield, MA 01111-0001 |  |
| Year of birth: 1984 |  |
| Officer of the Trust since 2025 |  |
| Officer of 84 portfolios in fund complex |  |

---

Director of Product Management (since 2025), Senior Product Manager (2022-2025), MML Advisers; Director of Product Management (since 2025), Senior Product Manager (2022-2025), MassMutual; Senior Fund Administration Supervisor (2020-2022) Massachusetts Financial Services Company; Vice President (since 2025), MassMutual Select Funds (open-end investment company); Vice President (since 2025), MassMutual Premier Funds (open-end investment company); Vice President (since 2025), MassMutual Advantage Funds (open-end investment company); Vice President (since 2025), MML Series Investment Fund (open-end investment company); Vice President (since 2025), MML Series Investment Fund II (open-end investment company).

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### PREMSAI-25-02

------

#### MASSMUTUAL FUNDS<br>

#### MassMutual Short-Duration Bond Fund<br>

#### MassMutual High Yield Fund<br>

#### Supplement dated July 29, 2025 to the<br>

#### Statement of Additional Information dated February 1, 2025
This supplement provides new and additional information beyond that contained in the Statement of Additional Information ("SAI") and any previous supplements. It should be retained and read in conjunction with the SAI and any previous supplements.

*Effective immediately, the following information supplements the information beginning on page B-54 under the heading **Principal Officers** in the section titled **Management of the Trust**:* 

---

| | |
|:---|:---|
| **Brian Pelkola**<br>| Vice President of the Trust |
| 1295 State Street |  |
| Springfield, MA 01111-0001 |  |
| Year of birth: 1984 |  |
| Officer of the Trust since 2025 |  |
| Officer of 84 portfolios in fund complex |  |

---

Director of Product Management (since 2025), Senior Product Manager (2022-2025), MML Advisers; Director of Product Management (since 2025), Senior Product Manager (2022-2025), MassMutual; Senior Fund Administration Supervisor (2020-2022) Massachusetts Financial Services Company; Vice President (since 2025), MassMutual Select Funds (open-end investment company); Vice President (since 2025), MassMutual Premier Funds (open-end investment company); Vice President (since 2025), MassMutual Advantage Funds (open-end investment company); Vice President (since 2025), MML Series Investment Fund (open-end investment company); Vice President (since 2025), MML Series Investment Fund II (open-end investment company).

#### PLEASE RETAIN THIS SUPPLEMENT FOR FUTURE REFERENCE

#### SAPREMSAI-25-02

------