# EDGAR Filing Document

**Accession Number:** 0000063090
**File Stem:** 0001752724-25-178382
**Filing Date:** 2025-7
**Character Count:** 25469
**Document Hash:** 6bdf33634956424e15ffce2cafc844db
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-178382.hdr.sgml**: 20250725

**ACCESSION NUMBER**: 0001752724-25-178382

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250531

**FILED AS OF DATE**: 20250725

**DATE AS OF CHANGE**: 20250725

**PERIOD START**: 20251130

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MASSACHUSETTS INVESTORS GROWTH STOCK FUND
- **CENTRAL INDEX KEY:** 0000063090

**ORGANIZATION NAME:**
- **EIN:** 041885327
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-00859
- **FILM NUMBER:** 251150294

**BUSINESS ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199
- **BUSINESS PHONE:** 18006372929

**MAIL ADDRESS:**
- **STREET 1:** 111 HUNTINGTON AVENUE
- **STREET 2:** 21ST FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02199

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MASSACHUSETTS INVESTORS GROWTH STOCK FUND INC
- **DATE OF NAME CHANGE:** 19920414

## Series and Classes Contracts Data

### Massachusetts Investors Growth Stock Fund (Series ID: S000000695)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000002023 | A            | MIGFX           |
| C000002024 | R3           | MIGHX           |
| C000002025 | R4           | MIGKX           |
| C000002029 | B            | MIGBX           |
| C000002030 | C            | MIGDX           |
| C000002031 | I            | MGTIX           |
| C000002034 | R1           | MIGMX           |
| C000002036 | R2           | MIRGX           |
| C000112291 | R6           | MIGNX           |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** MFS Massachusetts Investors Growth Stock Fund

- **b. Investment Company Act file number:** 811-00859

- **c. CIK number of Registrant:** 0000063090

- **d. LEI of Registrant:** IYOONE8CYRIVGIKANH85

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 111 Huntington Avenue

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02199

  - **Telephone number:** 617-954-5000

**Item A.2. Information about the Series.**

- **a. Name of Series:** MFS Massachusetts Investors Growth Stock Fund

- **b. EDGAR series identifier (if any):** S000000695

- **c. LEI of Series:** IYOONE8CYRIVGIKANH85

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2025-11-30

- **b. Date as of which information is reported:** 2025-05-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $11868425084.95

**Total Liabilities:** $121771999.08

**Net Assets:** $11746653085.87

**Cash Not Reported:** $1873087.03

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000002029 | -6.17%               | -1.39%               | 5.96%                |
| Class ID C000002024 | -6.11%               | -1.35%               | 6.03%                |
| Class ID C000112291 | -6.08%               | -1.31%               | 6.06%                |
| Class ID C000002031 | -6.10%               | -1.31%               | 6.05%                |
| Class ID C000002023 | -6.10%               | -1.35%               | 6.03%                |
| Class ID C000002036 | -6.14%               | -1.36%               | 6.02%                |
| Class ID C000002034 | -6.17%               | -1.40%               | 5.98%                |
| Class ID C000002030 | -6.18%               | -1.40%               | 5.96%                |
| Class ID C000002025 | -6.07%               | -1.33%               | 6.05%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $94058878.58             | $-853588416.06                             |
| Month 2  | $15404216.04             | $-175898515.90                             |
| Month 3  | $82797022.87             | $579135494.47                              |

### Schedule of Portfolio Investments

| Name                                        | Title                                                      | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)    | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Eaton Corp. plc                             | Eaton Corp. plc                                            | CUSIP: N/A<br>LEI: 549300VDIGTMXUNT7H71       | Long             | EC               | CORP              | IE        |    776593 | NS      | $248665078.60  | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Pool Corp.                                  | Pool Corp.                                                 | CUSIP: 73278L105<br>LEI: 5493005VZK1KMN6CO617 | Long             | EC               | CORP              | US        |    354148 | NS      | $106453347.32  | 0.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Alphabet, Inc.                              | Alphabet, Inc., Class A                                    | CUSIP: 02079K305<br>LEI: 5493006MHB84DD0ZWV18 | Long             | EC               | CORP              | US        |   1558099 | NS      | $267587922.26  | 2.28%             |  |  |  | No            |                  1 | On Loan: No      |
| Taiwan Semiconductor Manufacturing Co. Ltd. | Taiwan Semiconductor Manufacturing Co. Ltd.                | CUSIP: 874039100<br>LEI: 549300KB6NK5SBD14S87 | Long             | EC               | CORP              | TW        |   1084197 | NS      | $209596964.04  | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| CME Group, Inc.                             | CME Group, Inc.                                            | CUSIP: 12572Q105<br>LEI: LCZ7XYGSLJUHFXXNXD88 | Long             | EC               | CORP              | US        |    350890 | NS      | $101407210.00  | 0.86%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp.                              | Amphenol Corp., Class A                                    | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |   2791400 | NS      | $251030602.00  | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp.                                | NVIDIA Corp.                                               | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |   4848831 | NS      | $655222533.03  | 5.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Hilton Worldwide Holdings, Inc.             | Hilton Worldwide Holdings, Inc.                            | CUSIP: 43300A203<br>LEI: 549300HVGPK36ICB0B89 | Long             | EC               | CORP              | US        |    572649 | NS      | $142268917.56  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| MFS Institutional Money Market Portfolio    | MFS Institutional Money Market Portfolio, Class A          | CUSIP: 55291X109<br>LEI: 5L2W638H85N8T1136O07 | Long             | STIV             | RF                | US        |  12702938 | NS      | $12702938.49   | 0.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp.                               | Danaher Corp.                                              | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |    869457 | NS      | $165109884.30  | 1.41%             |  |  |  | No            |                  1 | On Loan: No      |
| Stryker Corp.                               | Stryker Corp.                                              | CUSIP: 863667101<br>LEI: 5493002F0SC4JTBU5137 | Long             | EC               | CORP              | US        |    136982 | NS      | $52414792.48   | 0.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp.                     | Boston Scientific Corp.                                    | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |   1175287 | NS      | $123710709.62  | 1.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Mettler-Toledo International, Inc.          | Mettler-Toledo International, Inc.                         | CUSIP: 592688105<br>LEI: 5493000BD5GJNUDIUG10 | Long             | EC               | CORP              | US        |    107363 | NS      | $124060093.76  | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Apple, Inc.                                 | Apple, Inc.                                                | CUSIP: 037833100<br>LEI: HWUPKR0MPOU8FGXBT394 | Long             | EC               | CORP              | US        |   2756942 | NS      | $553731800.70  | 4.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Moody's Corp.                               | Moody's Corp.                                              | CUSIP: 615369105<br>LEI: 549300GCEDD8YCF5WU84 | Long             | EC               | CORP              | US        |    322893 | NS      | $154769072.76  | 1.32%             |  |  |  | No            |                  1 | On Loan: No      |
| ICON plc                                    | ICON plc                                                   | CUSIP: N/A<br>LEI: 6354008SRQGEMC4XFI67       | Long             | EC               | CORP              | IE        |    558219 | NS      | $72724771.32   | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Fiserv, Inc.                                | Fiserv, Inc.                                               | CUSIP: 337738108<br>LEI: GI7UBEJLXYLGR2C7GV83 | Long             | EC               | CORP              | US        |    869805 | NS      | $141595555.95  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Gartner, Inc.                               | Gartner, Inc.                                              | CUSIP: 366651107<br>LEI: PP55B5R38BFB8O8HH686 | Long             | EC               | CORP              | US        |    168066 | NS      | $73347363.72   | 0.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Ross Stores, Inc.                           | Ross Stores, Inc.                                          | CUSIP: 778296103<br>LEI: 549300ENZFLPGRDFZQ60 | Long             | EC               | CORP              | US        |   1147470 | NS      | $160749072.30  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Mastercard, Inc.                            | Mastercard, Inc., Class A                                  | CUSIP: 57636Q104<br>LEI: AR5L2ODV9HN37376R084 | Long             | EC               | CORP              | US        |    301532 | NS      | $176577139.20  | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Becton Dickinson & Co.                      | Becton Dickinson & Co.                                     | CUSIP: 075887109<br>LEI: ICE2EP6D98PQUILVRZ91 | Long             | EC               | CORP              | US        |   1071246 | NS      | $184886347.14  | 1.57%             |  |  |  | No            |                  1 | On Loan: No      |
| LVMH Moet Hennessy Louis Vuitton SE         | LVMH Moet Hennessy Louis Vuitton SE                        | CUSIP: N/A<br>LEI: IOG4E947OATN0KJYSD45       | Long             | EC               | CORP              | FR        |    221009 | NS      | $120014288.01  | 1.02%             |  |  |  | No            |                  1 | On Loan: No      |
| McCormick & Co., Inc.                       | McCormick & Co., Inc. (Non-Voting)                         | CUSIP: 579780206<br>LEI: 549300JQQA6MQ4OJP259 | Long             | EC               | CORP              | US        |   1960503 | NS      | $142587383.19  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Schneider Electric SE                       | Schneider Electric SE                                      | CUSIP: N/A<br>LEI: 969500A1YF1XUYYXS284       | Long             | EC               | CORP              | FR        |    421572 | NS      | $105954473.87  | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Church & Dwight Co., Inc.                   | Church & Dwight Co., Inc.                                  | CUSIP: 171340102<br>LEI: POOXSI30AWAQGYJZC921 | Long             | EC               | CORP              | US        |   2731601 | NS      | $268543694.31  | 2.29%             |  |  |  | No            |                  1 | On Loan: No      |
| Veeva Systems, Inc.                         | Veeva Systems, Inc., Class A                               | CUSIP: 922475108<br>LEI: 549300YZEXPDB92M2F02 | Long             | EC               | CORP              | US        |    232313 | NS      | $64977946.10   | 0.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Brookfield Asset Management Ltd.            | Brookfield Asset Management Ltd., Class A                  | CUSIP: 113004105<br>LEI: 549300CZ84WPNJZKY093 | Long             | EC               | CORP              | CA        |   2281160 | NS      | $128340702.88  | 1.09%             |  |  |  | No            |                  1 | On Loan: —       |
| TE Connectivity plc                         | TE Connectivity plc                                        | CUSIP: N/A<br>LEI: 6367003TB6K484NFHE54       | Long             | EC               | CORP              | IE        |   1002443 | NS      | $160461051.01  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Sherwin-Williams Co. (The)                  | Sherwin-Williams Co. (The)                                 | CUSIP: 824348106<br>LEI: Z15BMIOX8DDH0X2OBP21 | Long             | EC               | CORP              | US        |    396195 | NS      | $142158727.95  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| JPMORGAN US GOVERNMENT MONEY MKT FD         | JPMORGAN US GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD | CUSIP: 4812C2270<br>LEI: 549300NQ5E5B7ZV4T516 | Long             | STIV             | RF                | US        | 117713395 | NS      | $117713394.60  | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Otis Worldwide Corp.                        | Otis Worldwide Corp.                                       | CUSIP: 68902V107<br>LEI: 549300ZLBKR8VSU25153 | Long             | EC               | CORP              | US        |   1381019 | NS      | $131680161.65  | 1.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Tencent Holdings Ltd.                       | Tencent Holdings Ltd.                                      | CUSIP: N/A<br>LEI: 254900N4SLUMW4XUYY11       | Long             | EC               | CORP              | KY        |   3263000 | NS      | $205676978.50  | 1.75%             |  |  |  | No            |                  2 | On Loan: No      |
| Aon plc                                     | Aon plc, Class A                                           | CUSIP: N/A<br>LEI: 635400FALWQYX5E6QC64       | Long             | EC               | CORP              | IE        |    768566 | NS      | $285968037.28  | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Starbucks Corp.                             | Starbucks Corp.                                            | CUSIP: 855244109<br>LEI: OQSJ1DU9TAOC51A47K68 | Long             | EC               | CORP              | US        |    574742 | NS      | $48249590.90   | 0.41%             |  |  |  | No            |                  1 | On Loan: No      |
| PepsiCo, Inc.                               | PepsiCo, Inc.                                              | CUSIP: 713448108<br>LEI: FJSUNZKFNQ5YPJ5OT455 | Long             | EC               | CORP              | US        |   1417767 | NS      | $186365472.15  | 1.59%             |  |  |  | No            |                  1 | On Loan: No      |
| Analog Devices, Inc.                        | Analog Devices, Inc.                                       | CUSIP: 032654105<br>LEI: GYVOE5EZ4GDAVTU4CQ61 | Long             | EC               | CORP              | US        |    352928 | NS      | $75519533.44   | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp. (The)                  | Charles Schwab Corp. (The)                                 | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |   1658193 | NS      | $146484769.62  | 1.25%             |  |  |  | No            |                  1 | On Loan: No      |
| CMS Energy Corp.                            | CMS Energy Corp.                                           | CUSIP: 125896100<br>LEI: 549300IA9XFBAGNIBW29 | Long             | EC               | CORP              | US        |   3540429 | NS      | $248644328.67  | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Marsh & McLennan Cos., Inc.                 | Marsh & McLennan Cos., Inc.                                | CUSIP: 571748102<br>LEI: 549300XMP3KDCKJXIU47 | Long             | EC               | CORP              | US        |    639672 | NS      | $149465759.52  | 1.27%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos., Inc. (The)                        | TJX Cos., Inc. (The)                                       | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |   1015630 | NS      | $128883447.00  | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilent Technologies, Inc.                  | Agilent Technologies, Inc.                                 | CUSIP: 00846U101<br>LEI: QUIX8Y7A2WP0XRMW7G29 | Long             | EC               | CORP              | US        |   1920251 | NS      | $214914491.92  | 1.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Hubbell, Inc.                               | Hubbell, Inc.                                              | CUSIP: 443510607<br>LEI: 54930088VDQ6840Y6597 | Long             | EC               | CORP              | US        |    660092 | NS      | $257158641.36  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Estee Lauder Cos., Inc. (The)               | Estee Lauder Cos., Inc. (The), Class A                     | CUSIP: 518439104<br>LEI: 549300VFZ8XJ9NUPU221 | Long             | EC               | CORP              | US        |   1899318 | NS      | $127140346.92  | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Walt Disney Co. (The)                       | Walt Disney Co. (The)                                      | CUSIP: 254687106<br>LEI: 549300GZKULIZ0WOW665 | Long             | EC               | CORP              | US        |   1279544 | NS      | $144639653.76  | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Microsoft Corp.                             | Microsoft Corp.                                            | CUSIP: 594918104<br>LEI: INR2EJN1ERAN0W5ZP974 | Long             | EC               | CORP              | US        |   3700724 | NS      | $1703665300.64 | 14.50%            |  |  |  | No            |                  1 | On Loan: No      |
| NIKE, Inc.                                  | NIKE, Inc., Class B                                        | CUSIP: 654106103<br>LEI: 787RXPR0UX0O0XUXPZ81 | Long             | EC               | CORP              | US        |   1696265 | NS      | $102776696.35  | 0.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Graco, Inc.                                 | Graco, Inc.                                                | CUSIP: 384109104<br>LEI: 4T5VJ4S81BRT6Q7GGT78 | Long             | EC               | CORP              | US        |    955429 | NS      | $80886619.14   | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| TransUnion                                  | TransUnion                                                 | CUSIP: 89400J107<br>LEI: 549300ZS772LUNUMRB03 | Long             | EC               | CORP              | US        |   3201212 | NS      | $274119783.56  | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| STERIS plc                                  | STERIS plc                                                 | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | IE        |   1115196 | NS      | $273457211.16  | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Thermo Fisher Scientific, Inc.              | Thermo Fisher Scientific, Inc.                             | CUSIP: 883556102<br>LEI: HCHV7422L5HDJZCRFL38 | Long             | EC               | CORP              | US        |    157920 | NS      | $63613334.40   | 0.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa, Inc.                                  | Visa, Inc., Class A                                        | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |   1373501 | NS      | $501588830.19  | 4.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Accenture plc                               | Accenture plc, Class A                                     | CUSIP: N/A<br>LEI: 5493000EWHDSR3MZWH98       | Long             | EC               | CORP              | IE        |   1200076 | NS      | $380208078.32  | 3.24%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv plc                                   | Aptiv plc                                                  | CUSIP: N/A<br>LEI: N/A                        | Long             | EC               | CORP              | JE        |   1204899 | NS      | $80499302.19   | 0.69%             |  |  |  | No            |                  1 | On Loan: No      |
| L'Oreal SA                                  | L'Oreal SA                                                 | CUSIP: N/A<br>LEI: 529900JI1GG6F7RKVI53       | Long             | EC               | CORP              | FR        |    278864 | NS      | $117915294.41  | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| American Tower Corp.                        | American Tower Corp.                                       | CUSIP: 03027X100<br>LEI: 5493006ORUSIL88JOE18 | Long             | EC               | CORP              | US        |   1113367 | NS      | $238984226.55  | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Texas Instruments, Inc.                     | Texas Instruments, Inc.                                    | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |    410560 | NS      | $75070896.00   | 0.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Salesforce, Inc.                            | Salesforce, Inc.                                           | CUSIP: 79466L302<br>LEI: RCGZFPDMRW58VJ54VR07 | Long             | EC               | CORP              | US        |   1037760 | NS      | $275390371.20  | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| Canadian Pacific Kansas City Ltd.           | Canadian Pacific Kansas City Ltd.                          | CUSIP: 13646K108<br>LEI: N/A                  | Long             | EC               | CORP              | CA        |   1298823 | NS      | $106048897.95  | 0.90%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-06-30

**Name of Applicant:** MFS Massachusetts Investors Growth Stock Fund

**Signature:** James Byrne

**Name of Signer:** James Byrne

**Title:** Assistant Treasurer