# EDGAR Filing Document

**Accession Number:** 0001051010
**File Stem:** 0001752724-23-012648
**Filing Date:** 2023-1
**Character Count:** 37563
**Document Hash:** cdd2f973240b217b1b688bbb75fd79f7
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-23-012648.hdr.sgml**: 20230125

**ACCESSION NUMBER**: 0001752724-23-012648

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221130

**FILED AS OF DATE**: 20230125

**DATE AS OF CHANGE**: 20230125

**PERIOD START**: 20230831

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER SERIES TRUST XII
- **CENTRAL INDEX KEY:** 0001051010
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-08547
- **FILM NUMBER:** 23552082

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET, 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET, 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109-1820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER INDEPENDENCE FUND
- **DATE OF NAME CHANGE:** 19971208

## Series and Classes Contracts Data

### Pioneer Disciplined Growth Fund (Series ID: S000004009)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000011217 | Pioneer Disciplined Growth Fund: Class A Shares | PINDX           |
| C000033500 | Pioneer Disciplined Growth Fund: Class C Shares | INDCX           |
| C000033501 | Pioneer Disciplined Growth Fund: Class Y Shares | INYDX           |

## Nport-Ex

## Pioneer Disciplined Growth Fund
Schedule of Investments \| November 30, 2022

---

| | | |
|:---|:---|:---|
| **A: PINDX** | **C: INDCX** | **Y: INYDX** |

---

------

### Schedule of Investments \| 11/30/22
(unaudited)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Shares** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**UNAFFILIATED ISSUERS — 99.9%** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Common Stocks — 99.0% of Net Assets** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Auto Components — 1.9%** |  |
| 300,954(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Aptiv Plc | $32102763 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Auto Components** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **32102763** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Biotechnology — 0.9%** |  |
| 66,760(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Alnylam Pharmaceuticals, Inc. | $14726588 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Biotechnology** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **14726588** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Capital Markets — 5.4%** |  |
| 468145 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Charles Schwab Corp. | $38640688 |
| 87779 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CME Group, Inc. | &nbsp;&nbsp; 15492993 |
| 324028 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Intercontinental Exchange, Inc. | &nbsp;&nbsp; 35095473 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Capital Markets** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **89229154** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Chemicals — 3.8%** |  |
| 122495 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Air Products and Chemicals, Inc. | $37993049 |
| 169174 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Ecolab, Inc. | &nbsp;&nbsp; 25347341 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Chemicals** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **63340390** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Communications Equipment — 1.4%** |  |
| 466233 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cisco Systems, Inc. | $23181105 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Communications Equipment** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **23181105** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Containers & Packaging — 0.7%** |  |
| 210745 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Ball Corp. | $11818580 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Containers & Packaging** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **11818580** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Diversified Consumer Services — 0.8%** |  |
| 175,755(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Bright Horizons Family Solutions, Inc. | $13041021 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Diversified Consumer Services** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **13041021** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Electrical Equipment — 3.8%** |  |
| 152428 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Eaton Corp. Plc | $24914356 |
| 143344 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Rockwell Automation, Inc. | &nbsp;&nbsp; 37874352 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Electrical Equipment** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **62788708** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Electronic Equipment, Instruments & Components<br> — 4.1%** |  |
| 243446 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amphenol Corp., Class A | $19580362 |
| 105707 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CDW Corp. | &nbsp;&nbsp; 19940568 |
| 112,406(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Keysight Technologies, Inc. | &nbsp;&nbsp; 20333121 |
| 128,917(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Trimble, Inc. | &nbsp;&nbsp; 7702791 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Electronic Equipment, Instruments & Components** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **67556842** |

---

1Pioneer Disciplined Growth Fund \| \| 11/30/22

------

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Shares** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Entertainment — 1.9%** |  |
| 312,998(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Walt Disney Co. | $30633114 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Entertainment** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **30633114** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Equity Real Estate Investment Trusts (REITs) — 1.1%** |  |
| 125558 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Crown Castle, Inc. | $17757668 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Equity Real Estate Investment Trusts (REITs)** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **17757668** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Health Care Equipment & Supplies — 4.3%** |  |
| 541,060(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Boston Scientific Corp. | $24493786 |
| 142,156(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Intuitive Surgical, Inc. | &nbsp;&nbsp; 38437561 |
| 34166 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ResMed, Inc. | &nbsp;&nbsp; 7865013 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Health Care Equipment & Supplies** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **70796360** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Hotels, Restaurants & Leisure — 3.3%** |  |
| 7,612(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Booking Holdings, Inc. | $15828774 |
| 381116 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Starbucks Corp. | &nbsp;&nbsp; 38950055 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Hotels, Restaurants & Leisure** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **54778829** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Interactive Media & Services — 0.3%** |  |
| 46,805(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Meta Platforms, Inc., Class A | $5527670 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Interactive Media & Services** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **$** **5527670** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Internet & Direct Marketing Retail — 3.5%** |  |
| 607,187(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Amazon.com, Inc. | $58617833 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Internet & Direct Marketing Retail** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **58617833** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**IT Services — 9.6%** |  |
| 137786 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accenture Plc, Class A | $41463941 |
| 499600 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cognizant Technology Solutions Corp., Class A | &nbsp;&nbsp; 31080116 |
| 393226 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Visa, Inc., Class A | &nbsp;&nbsp; 85330042 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total IT Services** | &nbsp;&nbsp; **$** **157874099** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Life Sciences Tools & Services — 5.0%** |  |
| 115239 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Danaher Corp. | $31507495 |
| 237,402(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IQVIA Holdings, Inc. | &nbsp;&nbsp; 51758384 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Life Sciences Tools & Services** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **83265879** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Machinery — 1.7%** |  |
| 63714 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deere & Co. | $28097874 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Machinery** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **28097874** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Multiline Retail — 2.1%** |  |
| 211544 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Target Corp. | $35342656 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Multiline Retail** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **35342656** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Oil, Gas & Consumable Fuels — 4.5%** |  |
| 153295 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cheniere Energy, Inc. | $26881811 |

---

Pioneer Disciplined Growth Fund \| \| 11/30/222

------

(unaudited) (continued)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Shares** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Oil, Gas & Consumable Fuels — (continued)** |  |
| 810511 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Coterra Energy, Inc. | $22621362 |
| 105208 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pioneer Natural Resources Co. | &nbsp;&nbsp; 24828036 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Oil, Gas & Consumable Fuels** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **74331209** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Personal Products — 1.2%** |  |
| 80700 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Estee Lauder Cos., Inc., Class A | $19028253 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Personal Products** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **19028253** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Pharmaceuticals — 1.1%** |  |
| 47258 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Eli Lilly & Co. | $17536499 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Pharmaceuticals** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **17536499** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Semiconductors & Semiconductor Equipment —<br> 11.9%** |  |
| 685,295(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Advanced Micro Devices, Inc. | $53199451 |
| 86761 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lam Research Corp. | &nbsp;&nbsp; 40984161 |
| 157518 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MKS Instruments, Inc. | &nbsp;&nbsp; 13209460 |
| 266869 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;NVIDIA Corp. | &nbsp;&nbsp; 45162241 |
| 247953 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Texas Instruments, Inc. | &nbsp;&nbsp; 44745598 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Semiconductors & Semiconductor Equipment** | &nbsp;&nbsp; **$** **197300911** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Software — 14.6%** |  |
| 138,841(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Adobe, Inc. | $47890426 |
| 109,852(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ANSYS, Inc. | &nbsp;&nbsp; 27935364 |
| 177,472(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Autodesk, Inc. | &nbsp;&nbsp; 35840470 |
| 114908 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Intuit, Inc. | &nbsp;&nbsp; 46835352 |
| 123,339(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Palo Alto Networks, Inc. | &nbsp;&nbsp; 20955296 |
| 110,661(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Salesforce, Inc. | &nbsp;&nbsp; 17733425 |
| 58,051(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ServiceNow, Inc. | &nbsp;&nbsp; 24166631 |
| 58,525(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Synopsys, Inc. | &nbsp;&nbsp; 19871579 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Software** | &nbsp;&nbsp; **$** **241228543** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Specialty Retail — 7.5%** |  |
| 155512 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Home Depot, Inc. | $50384333 |
| 204152 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Ross Stores, Inc. | &nbsp;&nbsp; 24022566 |
| 612636 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TJX Cos., Inc. | &nbsp;&nbsp; 49041512 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Specialty Retail** | &nbsp;&nbsp; **$** **123448411** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Technology Hardware, Storage & Peripherals —<br> 0.5%** |  |
| 267,915(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pure Storage, Inc., Class A | $7820439 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Technology Hardware, Storage & Peripherals** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **$** **7820439** |

---

3Pioneer Disciplined Growth Fund \| \| 11/30/22

------

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Shares** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Textiles, Apparel & Luxury Goods — 2.1%** |  |
| 91,530(a) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lululemon Athletica, Inc. | $34809774 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Textiles, Apparel & Luxury Goods** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **34809774** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Common Stocks<br> (Cost $1,663,492,748)** | **$1635981172** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**SHORT TERM INVESTMENTS — 0.9% of Net<br> Assets** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Open-End Fund — 0.9%** |  |
| 15,758,598(b) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dreyfus Government Cash Management,<br> Institutional Shares, 3.61% | $15758598 |
|  |  | &nbsp;&nbsp;&nbsp;&nbsp; $15758598 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**TOTAL SHORT TERM INVESTMENTS<br> (Cost $15,758,598)** | &nbsp;&nbsp;&nbsp;&nbsp; **$** **15758598** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 99.9%<br> (Cost $1,679,251,346)** | **$1651739770** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**OTHER ASSETS AND LIABILITIES — 0.1%** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; $1243070 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**net assets — 100.0%** | **$1652982840** |

---

(a) Non-income producing security.

(b) Rate periodically changes. Rate disclosed is the 7-day yield at November 30, 2022.

Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below.

---

| |
|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 1 – unadjusted quoted prices in active markets for identical securities. |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 3 – significant unobservable inputs (including the Adviser's own assumptions in determining fair value of investments). |

---

The following is a summary of the inputs used as of November 30, 2022, in valuing the Fund's investments:

---

| | | | | |
|:---|:---|:---|:---|:---|
|  | **Level 1** | &nbsp;&nbsp;**Level 2** | &nbsp;&nbsp;**Level 3** | &nbsp;&nbsp;**Total** |
| Common Stocks | $1635981172 | &nbsp;&nbsp;$— | &nbsp;&nbsp;$— | &nbsp;&nbsp;$1635981172 |
| Open-End Fund | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15758598 | &nbsp;&nbsp;&nbsp;— | &nbsp;&nbsp;&nbsp;— | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15758598 |
| **Total Investments in Securities** | **$1651739770** | &nbsp;&nbsp;**$—** | &nbsp;&nbsp;**$—** | &nbsp;&nbsp;**$1651739770** |

---

During the period ended November 30, 2022, there were no transfers in or out of Level 3.

Pioneer Disciplined Growth Fund \| \| 11/30/224

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** Pioneer Series Trust XII

- **b. Investment Company Act file number:** 811-08547

- **c. CIK number of Registrant:** 0001051010

- **d. LEI of Registrant:** 54930081HIBYZO8ZCI07

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

  - **Street Address 1:** 60 State Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02109

  - **Telephone number:** 617-422-4947

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

- **a. Name of Series:** Pioneer Disciplined Growth Fund

- **b. EDGAR series identifier (if any):** S000004009

- **c. LEI of Series:** 549300VRO5EOTU610S53

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

- **a. Date of fiscal year-end:** 2023-08-31

- **b. Date as of which information is reported:** 2022-11-30

**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:** $1654636875.25

**Total Liabilities:** $1508302.36

**Net Assets:** $1653128572.89

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000011217 | -10.17%              | 8.13%                | 6.74%                |
| Class ID C000033501 | -10.09%              | 8.14%                | 6.72%                |
| Class ID C000033500 | -10.22%              | 8.12%                | 6.61%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-20280611.27            | $-142682052.32                             |
| Month 2  | $-6420028.14             | $123406486.66                              |
| Month 3  | $-17445593.79            | $119875917.14                              |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Cognizant Technology Solutions     | Cognizant Technology Solutions Corp  | CUSIP: 192446102<br>LEI: 5493006IEVQEFQO40L83 | Long             | EC               | CORP              | US        |    499600 | NS      | $31080116.00  | 1.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuit Inc                         | Intuit Inc                           | CUSIP: 461202103<br>LEI: VI90HBPH7XSFMB9E4M29 | Long             | EC               | CORP              | US        |    114908 | NS      | $46835351.72  | 2.83%             |  |  |  | No            |                  1 | On Loan: No      |
| Keysight Technologies Inc          | Keysight Technologies Inc            | CUSIP: 49338L103<br>LEI: 549300GLKVIO8YRCYN02 | Long             | EC               | CORP              | US        |    112406 | NS      | $20333121.34  | 1.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Cisco Systems Inc                  | Cisco Systems Inc                    | CUSIP: 17275R102<br>LEI: 549300LKFJ962MZ46593 | Long             | EC               | CORP              | US        |    466233 | NS      | $23181104.76  | 1.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Pure Storage Inc                   | Pure Storage Inc                     | CUSIP: 74624M102<br>LEI: 549300NPDB0BZTK3WO90 | Long             | EC               | CORP              | US        |    267915 | NS      | $7820438.85   | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Advanced Micro Devices Inc         | Advanced Micro Devices Inc           | CUSIP: 007903107<br>LEI: R2I72C950HOYXII45366 | Long             | EC               | CORP              | US        |    685295 | NS      | $53199450.85  | 3.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Trimble Inc                        | Trimble Inc                          | CUSIP: 896239100<br>LEI: 549300E2MI7NSZFQWS19 | Long             | EC               | CORP              | US        |    128917 | NS      | $7702790.75   | 0.47%             |  |  |  | No            |                  1 | On Loan: No      |
| Accenture PLC                      | Accenture PLC                        | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | IE        |    137786 | NS      | $41463940.98  | 2.51%             |  |  |  | No            |                  1 | On Loan: No      |
| CDW Corp/DE                        | CDW Corp/DE                          | CUSIP: 12514G108<br>LEI: 9845001B052ABF0B6755 | Long             | EC               | CORP              | US        |    105707 | NS      | $19940568.48  | 1.21%             |  |  |  | No            |                  1 | On Loan: No      |
| Ecolab Inc                         | Ecolab Inc                           | CUSIP: 278865100<br>LEI: 82DYEISM090VG8LTLS26 | Long             | EC               | CORP              | US        |    169174 | NS      | $25347340.42  | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Autodesk Inc                       | Autodesk Inc                         | CUSIP: 052769106<br>LEI: FRKKVKAIQEF3FCSTPG55 | Long             | EC               | CORP              | US        |    177472 | NS      | $35840470.40  | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Lam Research Corp                  | Lam Research Corp                    | CUSIP: 512807108<br>LEI: 549300I4GMO6D34U1T02 | Long             | EC               | CORP              | US        |     86761 | NS      | $40984161.18  | 2.48%             |  |  |  | No            |                  1 | On Loan: No      |
| ResMed Inc                         | ResMed Inc                           | CUSIP: 761152107<br>LEI: 529900T3QE5253CCXF22 | Long             | EC               | CORP              | US        |     34166 | NS      | $7865013.20   | 0.48%             |  |  |  | No            |                  1 | On Loan: No      |
| CME Group Inc                      | CME Group Inc                        | CUSIP: 12572Q105<br>LEI: LCZ7XYGSLJUHFXXNXD88 | Long             | EC               | CORP              | US        |     87779 | NS      | $15492993.50  | 0.94%             |  |  |  | No            |                  1 | On Loan: No      |
| TJX Cos Inc/The                    | TJX Cos Inc/The                      | CUSIP: 872540109<br>LEI: V167QI9I69W364E2DY52 | Long             | EC               | CORP              | US        |    612636 | NS      | $49041511.80  | 2.97%             |  |  |  | No            |                  1 | On Loan: No      |
| Amazon.com Inc                     | Amazon.com Inc                       | CUSIP: 023135106<br>LEI: ZXTILKJKG63JELOEG630 | Long             | EC               | CORP              | US        |    607187 | NS      | $58617832.98  | 3.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Adobe Inc                          | Adobe Inc                            | CUSIP: 00724F101<br>LEI: FU4LY2G4933NH2E1CP29 | Long             | EC               | CORP              | US        |    138841 | NS      | $47890426.13  | 2.90%             |  |  |  | No            |                  1 | On Loan: No      |
| Aptiv PLC                          | Aptiv PLC                            | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | IE        |    300954 | NS      | $32102763.18  | 1.94%             |  |  |  | No            |                  1 | On Loan: No      |
| Deere & Co                         | Deere & Co                           | CUSIP: 244199105<br>LEI: PWFTNG3EI0Y73OXWDH08 | Long             | EC               | CORP              | US        |     63714 | NS      | $28097874.00  | 1.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Ross Stores Inc                    | Ross Stores Inc                      | CUSIP: 778296103<br>LEI: 549300ENZFLPGRDFZQ60 | Long             | EC               | CORP              | US        |    204152 | NS      | $24022565.84  | 1.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Charles Schwab Corp/The            | Charles Schwab Corp/The              | CUSIP: 808513105<br>LEI: 549300VSGCJ7E698NM85 | Long             | EC               | CORP              | US        |    468145 | NS      | $38640688.30  | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| NVIDIA Corp                        | NVIDIA Corp                          | CUSIP: 67066G104<br>LEI: 549300S4KLFTLO7GSQ80 | Long             | EC               | CORP              | US        |    266869 | NS      | $45162240.87  | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| MKS Instruments Inc                | MKS Instruments Inc                  | CUSIP: 55306N104<br>LEI: 549300KEQATBHAGVF505 | Long             | EC               | CORP              | US        |    157518 | NS      | $13209459.48  | 0.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Visa Inc                           | Visa Inc                             | CUSIP: 92826C839<br>LEI: 549300JZ4OKEHW3DPJ59 | Long             | EC               | CORP              | US        |    393226 | NS      | $85330042.00  | 5.16%             |  |  |  | No            |                  1 | On Loan: No      |
| Palo Alto Networks Inc             | Palo Alto Networks Inc               | CUSIP: 697435105<br>LEI: 549300QXR2YVZV231H43 | Long             | EC               | CORP              | US        |    123339 | NS      | $20955296.10  | 1.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Lululemon Athletica Inc            | Lululemon Athletica Inc              | CUSIP: 550021109<br>LEI: 549300D9GZ4BMLDW5T40 | Long             | EC               | CORP              | CA        |     91530 | NS      | $34809774.30  | 2.11%             |  |  |  | No            |                  1 | On Loan: No      |
| Danaher Corp                       | Danaher Corp                         | CUSIP: 235851102<br>LEI: S4BKK9OTCEWQ3YHPFM11 | Long             | EC               | CORP              | US        |    115239 | NS      | $31507494.99  | 1.91%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                     | Eli Lilly & Co                       | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |     47258 | NS      | $17536498.64  | 1.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Booking Holdings Inc               | Booking Holdings Inc                 | CUSIP: 09857L108<br>LEI: FXM8FAOHMYDIPD38UZ17 | Long             | EC               | CORP              | US        |      7612 | NS      | $15828773.40  | 0.96%             |  |  |  | No            |                  1 | On Loan: No      |
| Alnylam Pharmaceuticals Inc        | Alnylam Pharmaceuticals Inc          | CUSIP: 02043Q107<br>LEI: 529900S3ZI14OWRJII50 | Long             | EC               | CORP              | US        |     66760 | NS      | $14726588.40  | 0.89%             |  |  |  | No            |                  1 | On Loan: No      |
| Synopsys Inc                       | Synopsys Inc                         | CUSIP: 871607107<br>LEI: QG7T915N9S0NY5UKNE63 | Long             | EC               | CORP              | US        |     58525 | NS      | $19871578.50  | 1.20%             |  |  |  | No            |                  1 | On Loan: No      |
| Starbucks Corp                     | Starbucks Corp                       | CUSIP: 855244109<br>LEI: OQSJ1DU9TAOC51A47K68 | Long             | EC               | CORP              | US        |    381116 | NS      | $38950055.20  | 2.36%             |  |  |  | No            |                  1 | On Loan: No      |
| Dreyfus Government Cash Management | Dreyfus Government Cash Management   | CUSIP: 262006208<br>LEI: 5493000Q69I5Q3QZIA91 | Long             | STIV             | RF                | US        |  16424127 | NS      | $16424127.00  | 0.99%             |  |  |  | No            |                  1 | On Loan: No      |
| Air Products and Chemicals Inc     | Air Products and Chemicals Inc       | CUSIP: 009158106<br>LEI: 7QEON6Y1RL5XR3R1W237 | Long             | EC               | CORP              | US        |    122495 | NS      | $37993049.20  | 2.30%             |  |  |  | No            |                  1 | On Loan: No      |
| Intuitive Surgical Inc             | Intuitive Surgical Inc               | CUSIP: 46120E602<br>LEI: 54930052SRG011710797 | Long             | EC               | CORP              | US        |    142156 | NS      | $38437560.84  | 2.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Walt Disney Co/The                 | Walt Disney Co/The                   | CUSIP: 254687106<br>LEI: 549300GZKULIZ0WOW665 | Long             | EC               | CORP              | US        |    312998 | NS      | $30633114.26  | 1.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Cheniere Energy Inc                | Cheniere Energy Inc                  | CUSIP: 16411R208<br>LEI: MIHC87W9WTYSYZWV1J40 | Long             | EC               | CORP              | US        |    153295 | NS      | $26881811.20  | 1.63%             |  |  |  | No            |                  1 | On Loan: No      |
| Target Corp                        | Target Corp                          | CUSIP: 87612E106<br>LEI: 8WDDFXB5T1Z6J0XC1L66 | Long             | EC               | CORP              | US        |    211544 | NS      | $35342656.08  | 2.14%             |  |  |  | No            |                  1 | On Loan: No      |
| Meta Platforms Inc                 | Meta Platforms Inc                   | CUSIP: 30303M102<br>LEI: BQ4BKCS1HXDV9HN80Z93 | Long             | EC               | CORP              | US        |     46805 | NS      | $5527670.50   | 0.33%             |  |  |  | No            |                  1 | On Loan: No      |
| Eaton Corp PLC                     | Eaton Corp PLC                       | CUSIP: 000000000<br>LEI: 549300VDIGTMXUNT7H71 | Long             | EC               | CORP              | US        |    152428 | NS      | $24914356.60  | 1.51%             |  |  |  | No            |                  1 | On Loan: No      |
| Texas Instruments Inc              | Texas Instruments Inc                | CUSIP: 882508104<br>LEI: WDJNR2L6D8RWOEB8T652 | Long             | EC               | CORP              | US        |    247953 | NS      | $44745598.38  | 2.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Bright Horizons Family Solutio     | Bright Horizons Family Solutions Inc | CUSIP: 109194100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    175755 | NS      | $13041021.00  | 0.79%             |  |  |  | No            |                  1 | On Loan: No      |
| ANSYS Inc                          | ANSYS Inc                            | CUSIP: 03662Q105<br>LEI: 549300VJV8H15Z5FJ571 | Long             | EC               | CORP              | US        |    109852 | NS      | $27935363.60  | 1.69%             |  |  |  | No            |                  1 | On Loan: No      |
| Rockwell Automation Inc            | Rockwell Automation Inc              | CUSIP: 773903109<br>LEI: VH3R4HHBHH12O0EXZJ88 | Long             | EC               | CORP              | US        |    143344 | NS      | $37874351.68  | 2.29%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceNow Inc                     | ServiceNow Inc                       | CUSIP: 81762P102<br>LEI: 549300HJTQM36M0E1G39 | Long             | EC               | CORP              | US        |     58051 | NS      | $24166631.30  | 1.46%             |  |  |  | No            |                  1 | On Loan: No      |
| Intercontinental Exchange Inc      | Intercontinental Exchange Inc        | CUSIP: 45866F104<br>LEI: 5493000F4ZO33MV32P92 | Long             | EC               | CORP              | US        |    324028 | NS      | $35095472.68  | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Crown Castle Inc                   | Crown Castle Inc                     | CUSIP: 22822V101<br>LEI: 54930012H97VSM0I2R19 | Long             | EC               | CORP              | US        |    125558 | NS      | $17757667.94  | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Estee Lauder Cos Inc/The           | Estee Lauder Cos Inc/The             | CUSIP: 518439104<br>LEI: 549300VFZ8XJ9NUPU221 | Long             | EC               | CORP              | US        |     80700 | NS      | $19028253.00  | 1.15%             |  |  |  | No            |                  1 | On Loan: No      |
| Pioneer Natural Resources Co       | Pioneer Natural Resources Co         | CUSIP: 723787107<br>LEI: FY8JBF7CCL2VE4F1B628 | Long             | EC               | CORP              | US        |    105208 | NS      | $24828035.92  | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| Ball Corp                          | Ball Corp                            | CUSIP: 058498106<br>LEI: 0BGI85ALH27ZJP15DY16 | Long             | EC               | CORP              | US        |    210745 | NS      | $11818579.60  | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Home Depot Inc/The                 | Home Depot Inc/The                   | CUSIP: 437076102<br>LEI: QEKMOTMBBKA8I816DO57 | Long             | EC               | CORP              | US        |    155512 | NS      | $50384332.88  | 3.05%             |  |  |  | No            |                  1 | On Loan: No      |
| Coterra Energy Inc                 | Coterra Energy Inc                   | CUSIP: 127097103<br>LEI: FCNMH6O7VWU7LHXMK351 | Long             | EC               | CORP              | US        |    810511 | NS      | $22621362.01  | 1.37%             |  |  |  | No            |                  1 | On Loan: No      |
| Amphenol Corp                      | Amphenol Corp                        | CUSIP: 032095101<br>LEI: 549300D3L3G0R4U4VT04 | Long             | EC               | CORP              | US        |    243446 | NS      | $19580361.78  | 1.18%             |  |  |  | No            |                  1 | On Loan: No      |
| Salesforce Inc                     | Salesforce Inc                       | CUSIP: 79466L302<br>LEI: RCGZFPDMRW58VJ54VR07 | Long             | EC               | CORP              | US        |    110661 | NS      | $17733425.25  | 1.07%             |  |  |  | No            |                  1 | On Loan: No      |
| Boston Scientific Corp             | Boston Scientific Corp               | CUSIP: 101137107<br>LEI: Y6ZDD9FP4P8JSSJMW954 | Long             | EC               | CORP              | US        |    541060 | NS      | $24493786.20  | 1.48%             |  |  |  | No            |                  1 | On Loan: No      |
| IQVIA Holdings Inc                 | IQVIA Holdings Inc                   | CUSIP: 46266C105<br>LEI: 549300W3R20NM4KQPH86 | Long             | EC               | CORP              | US        |    237402 | NS      | $51758384.04  | 3.13%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2023-01-25

**Name of Applicant:** Pioneer Series Trust XII

**Signature:** Anthony J. Koenig, Jr

**Name of Signer:** Anthony J. Koenig, Jr

**Title:** Managing Director, Chief Operations Officer & Treasurer of the Funds