# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001752724-25-206857
**Filing Date:** 2025-8
**Character Count:** 9984
**Document Hash:** be98888b6c65e3cd32c839d07cb33e31
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-206857.hdr.sgml**: 20250827

**ACCESSION NUMBER**: 0001752724-25-206857

**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:** 251260022

**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 Tactical - Conservative VP (Series ID: S000025015)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000074415 | Service      |  |
| C000074416 | Initial      |  |

## 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 Tactical - Conservative VP

- **b. EDGAR series identifier (if any):** S000025015

- **c. LEI of Series:** TX370ON4MTBLFX0TPR51

**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:** $163762383.81

**Total Liabilities:** $6901577.99

**Net Assets:** $156860805.82

**Cash Not Reported:** $244.04

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000074416 | 0.10%                | 2.01%                | 2.27%                |
| Class ID C000074415 | 0.10%                | 1.94%                | 2.30%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $274661.15               | $-310608.93                                |
| Month 2  | $749412.56               | $2013712.42                                |
| Month 3  | $412606.30               | $2374469.93                                |

### 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        |     89814 | NS      | $8028473.46   | 5.12%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares MSCI Emerging Markets ETF                     | iShares MSCI Emerging Markets ETF                                           | CUSIP: 464287234<br>LEI: 549300BPYHDEDI59G670 | Long             | EC               | RF                | US        |     64150 | NS      | $3094596.00   | 1.97%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Broad USD Investment Grade Corporate Bond ETF | iShares Broad USD Investment Grade Corporate Bond ETF                       | CUSIP: 464288620<br>LEI: 5493004QFMCNV0WLX398 | Long             | EC               | RF                | US        |    242129 | NS      | $12455115.76  | 7.94%             |  |  |  | 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        |    380770 | NS      | $37772384.00  | 24.08%            |  |  |  | No            |                  1 | On Loan: No      |
| iShares Core S&P Total U.S. Stock Market ETF          | iShares Core S&P Total U.S. Stock Market ETF                                | CUSIP: 464287150<br>LEI: 549300E44NRXZV2OY345 | Long             | EC               | RF                | US        |    140872 | NS      | $19023354.88  | 12.13%            |  |  |  | No            |                  1 | On Loan: No      |
| State Street Global Advisors                          | State Street Navigator Securities Lending Government Money Market Portfolio | CUSIP: 857509301<br>LEI: 5493008BJIBKQ5KTIF74 | Long             | STIV             | RF                | US        |   2756600 | NS      | $2756600.00   | 1.76%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares 20+ Year Treasury Bond ETF                    | iShares 20+ Year Treasury Bond ETF                                          | CUSIP: 464287432<br>LEI: 549300WWURKS1JGBZU59 | Long             | EC               | RF                | US        |     16519 | NS      | $1457801.75   | 0.93%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Core MSCI EAFE ETF                            | iShares Core MSCI EAFE ETF                                                  | CUSIP: 46432F842<br>LEI: 5493009FT582MI7Y3I36 | Long             | EC               | RF                | US        |     75551 | NS      | $6306997.48   | 4.02%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Core MSCI Emerging Markets ETF                | iShares Core MSCI Emerging Markets ETF                                      | CUSIP: 46434G103<br>LEI: 5493007C24Z3ZDJ0VD06 | Long             | EC               | RF                | US        |     46529 | NS      | $2793135.87   | 1.78%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares MSCI Canada ETF                               | iShares MSCI Canada ETF                                                     | CUSIP: 464286509<br>LEI: 549300DXCD53F4JK3H45 | Long             | EC               | RF                | US        |     35200 | NS      | $1626240.00   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares MSCI Japan ETF                                | iShares MSCI Japan ETF                                                      | CUSIP: 46434G822<br>LEI: 5493008I6YRUC6I0S051 | Long             | EC               | RF                | US        |     43150 | NS      | $3234955.50   | 2.06%             |  |  |  | No            |                  1 | On Loan: —       |
| Fixed Income Clearing Corp                            | FIXED INC CLEARING CORP.REPO                                                | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   5334096 | PA      | $5334096.36   | 3.40%             |  |  |  | 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        |     24916 | NS      | $15470344.40  | 9.86%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Short Treasury Bond ETF                       | iShares Short Treasury Bond ETF                                             | CUSIP: 464288679<br>LEI: 549300F8ZJ4IZLOOBP30 | Long             | EC               | RF                | US        |    351972 | NS      | $38864748.24  | 24.78%            |  |  |  | No            |                  1 | On Loan: No      |
| iShares Broad USD High Yield Corporate Bond ETF       | iShares Broad USD High Yield Corporate Bond ETF                             | CUSIP: 46435U853<br>LEI: 549300X7H67ZLUE3IZ46 | Long             | EC               | RF                | US        |     41860 | NS      | $1570168.60   | 1.00%             |  |  |  | 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