# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001752724-25-206852
**Filing Date:** 2025-8
**Character Count:** 8168
**Document Hash:** 5e29df8de23d7dbc9104df027b869e03
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-206852.hdr.sgml**: 20250827

**ACCESSION NUMBER**: 0001752724-25-206852

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250827

**DATE AS OF CHANGE**: 20250827

**PERIOD START**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRANSAMERICA SERIES TRUST
- **CENTRAL INDEX KEY:** 0000778207

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-04419
- **FILM NUMBER:** 251260016

**BUSINESS ADDRESS:**
- **STREET 1:** 1801 CALIFORNIA STREET
- **STREET 2:** SUITE 5200
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80202
- **BUSINESS PHONE:** 720-482-8836

**MAIL ADDRESS:**
- **STREET 1:** 1801 CALIFORNIA STREET
- **STREET 2:** SUITE 5200
- **CITY:** DENVER
- **STATE:** CO
- **ZIP:** 80202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AEGON/TRANSAMERICA SERIES TRUST
- **DATE OF NAME CHANGE:** 20050511

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AEGON/TRANSAMERICA SERIES FUND INC
- **DATE OF NAME CHANGE:** 20010501

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WRL SERIES FUND INC
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Transamerica BlackRock iShares Active Asset Allocation - Moderate Growth VP (Series ID: S000031951)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000099461 | Initial      |  |
| C000099462 | Service      |  |

## Form NPORT-P: Monthly Portfolio Investments Report

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

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

- **a. Name of Registrant:** TRANSAMERICA SERIES TRUST

- **b. Investment Company Act file number:** 811-04419

- **c. CIK number of Registrant:** 0000778207

- **d. LEI of Registrant:** 5493000QR1WGXIM5V222

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

  - **Street Address 1:** 1801 CALIFORNIA STREET

  - **City:** DENVER

  - **State:** CO

  - **Foreign country:** US

  - **Zip / Postal Code:** 80202

  - **Telephone number:** 720-493-4256

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

- **a. Name of Series:** Transamerica BlackRock iShares Active Asset Allocation - Moderate Growth VP

- **b. EDGAR series identifier (if any):** S000031951

- **c. LEI of Series:** 549300BRQUY1NGNPKF45

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

- **a. Date of fiscal year-end:** 2025-12-31

- **b. Date as of which information is reported:** 2025-06-30

**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:** $334081273.21

**Total Liabilities:** $7367267.24

**Net Assets:** $326714005.97

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000099462 | -3.27%               | 2.83%                | 3.37%                |
| Class ID C000099461 | -3.24%               | 2.90%                | 3.35%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $21667792.02             | $-32654605.42                              |
| Month 2  | $1659194.51              | $6910148.17                                |
| Month 3  | $2164487.12              | $6586398.98                                |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| iShares MSCI EAFE ETF                               | iShares MSCI EAFE ETF                               | CUSIP: 464287465<br>LEI: 549300O0XO3KDQV68404 | Long             | EC               | RF                | US        |    627141 | NS      | $56060133.99  | 17.16%            |  |  |  | No            |                  1 | On Loan: No      |
| iShares Core U.S. Aggregate Bond ETF                | iShares Core U.S. Aggregate Bond ETF                | CUSIP: 464287226<br>LEI: 549300F7VSXTKBGHJE47 | Long             | EC               | RF                | US        |    300750 | NS      | $29834400.00  | 9.13%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares iBoxx $ Investment Grade Corporate Bond ETF | iShares iBoxx $ Investment Grade Corporate Bond ETF | CUSIP: 464287242<br>LEI: 549300FYCXFXG8POR355 | Long             | EC               | RF                | US        |     54345 | NS      | $5956755.45   | 1.82%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Russell 2000 ETF                            | iShares Russell 2000 ETF                            | CUSIP: 464287655<br>LEI: 549300O80OAR5VTWR172 | Long             | EC               | RF                | US        |    110280 | NS      | $23797321.20  | 7.28%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares 7-10 Year Treasury Bond ETF                 | iShares 7-10 Year Treasury Bond ETF                 | CUSIP: 464287440<br>LEI: 549300XS1PPZG92M8L16 | Long             | EC               | RF                | US        |      7703 | NS      | $737716.31    | 0.23%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Core MSCI EAFE ETF                          | iShares Core MSCI EAFE ETF                          | CUSIP: 46432F842<br>LEI: 5493009FT582MI7Y3I36 | Long             | EC               | RF                | US        |    147723 | NS      | $12331916.04  | 3.77%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares MSCI Japan ETF                              | iShares MSCI Japan ETF                              | CUSIP: 46434G822<br>LEI: 5493008I6YRUC6I0S051 | Long             | EC               | RF                | US        |     93654 | NS      | $7021240.38   | 2.15%             |  |  |  | No            |                  1 | On Loan: —       |
| iShares U.S. Treasury Bond ETF                      | iShares U.S. Treasury Bond ETF                      | CUSIP: 46429B267<br>LEI: 549300YMK9GAMCTG8G20 | Long             | EC               | RF                | US        |     97269 | NS      | $2235241.62   | 0.68%             |  |  |  | No            |                  1 | On Loan: No      |
| Fixed Income Clearing Corp                          | FIXED INC CLEARING CORP.REPO                        | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   6664988 | PA      | $6664988.14   | 2.04%             |  |  |  | No            |                  2 | On Loan: No      |
| iShares Core S&P 500 ETF                            | iShares Core S&P 500 ETF                            | CUSIP: 464287200<br>LEI: 5493007M4YMN8XL48C14 | Long             | EC               | RF                | US        |    229618 | NS      | $142569816.20 | 43.64%            |  |  |  | No            |                  1 | On Loan: No      |
| iShares Short Treasury Bond ETF                     | iShares Short Treasury Bond ETF                     | CUSIP: 464288679<br>LEI: 549300F8ZJ4IZLOOBP30 | Long             | EC               | RF                | US        |    359830 | NS      | $39732428.60  | 12.16%            |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-07-15

**Name of Applicant:** TRANSAMERICA SERIES TRUST

**Signature:** Joshua Durham

**Name of Signer:** Joshua Durham

**Title:** Chief Operating Officer and Interim Treasurer