# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001752724-25-206877
**Filing Date:** 2025-8
**Character Count:** 9977
**Document Hash:** 3ae83bed55f717a63f4990a1e83bec17
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001752724-25-206877.hdr.sgml**: 20250827

**ACCESSION NUMBER**: 0001752724-25-206877

**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:** 251260044

**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 - Balanced VP (Series ID: S000025013)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000074411 | Service      |  |
| C000074412 | 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 - Balanced VP

- **b. EDGAR series identifier (if any):** S000025013

- **c. LEI of Series:** ORDRJRZD3R02SUDTBU79

**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:** $367653754.19

**Total Liabilities:** $48326546.82

**Net Assets:** $319327207.37

**Cash Not Reported:** $136.28

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000074412 | 0.29%                | 2.92%                | 2.75%                |
| Class ID C000074411 | 0.20%                | 2.89%                | 2.71%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $431297.30               | $-196524.67                                |
| Month 2  | $1665748.87              | $7002512.70                                |
| Month 3  | $1137828.76              | $5884688.20                                |

### 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        |    226853 | NS      | $20278389.67  | 6.35%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares MSCI Emerging Markets ETF                     | iShares MSCI Emerging Markets ETF                                           | CUSIP: 464287234<br>LEI: 549300BPYHDEDI59G670 | Long             | EC               | RF                | US        |    194404 | NS      | $9378048.96   | 2.94%             |  |  |  | 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        |    368419 | NS      | $18951473.36  | 5.93%             |  |  |  | No            |                  1 | On Loan: —       |
| iShares Core U.S. Aggregate Bond ETF                  | iShares Core U.S. Aggregate Bond ETF                                        | CUSIP: 464287226<br>LEI: 549300F7VSXTKBGHJE47 | Long             | EC               | RF                | US        |    357540 | NS      | $35467968.00  | 11.11%            |  |  |  | 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        |    396667 | NS      | $53565911.68  | 16.77%            |  |  |  | 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        |  20137734 | NS      | $20137733.50  | 6.31%             |  |  |  | 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        |     33140 | NS      | $2924605.00   | 0.92%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares Core MSCI EAFE ETF                            | iShares Core MSCI EAFE ETF                                                  | CUSIP: 46432F842<br>LEI: 5493009FT582MI7Y3I36 | Long             | EC               | RF                | US        |    232235 | NS      | $19386977.80  | 6.07%             |  |  |  | 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        |    129636 | NS      | $7782049.08   | 2.44%             |  |  |  | No            |                  1 | On Loan: No      |
| iShares MSCI Canada ETF                               | iShares MSCI Canada ETF                                                     | CUSIP: 464286509<br>LEI: 549300DXCD53F4JK3H45 | Long             | EC               | RF                | US        |    104513 | NS      | $4828500.60   | 1.51%             |  |  |  | No            |                  1 | On Loan: —       |
| iShares MSCI Japan ETF                                | iShares MSCI Japan ETF                                                      | CUSIP: 46434G822<br>LEI: 5493008I6YRUC6I0S051 | Long             | EC               | RF                | US        |     86718 | NS      | $6501248.46   | 2.04%             |  |  |  | No            |                  1 | On Loan: —       |
| Fixed Income Clearing Corp                            | FIXED INC CLEARING CORP.REPO                                                | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |  10302774 | PA      | $10302773.79  | 3.23%             |  |  |  | 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        |     76996 | NS      | $47806816.40  | 14.97%            |  |  |  | No            |                  1 | On Loan: No      |
| iShares Short Treasury Bond ETF                       | iShares Short Treasury Bond ETF                                             | CUSIP: 464288679<br>LEI: 549300F8ZJ4IZLOOBP30 | Long             | EC               | RF                | US        |    717563 | NS      | $79233306.46  | 24.81%            |  |  |  | No            |                  1 | On Loan: —       |
| 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        |     84925 | NS      | $3185536.75   | 1.00%             |  |  |  | No            |                  1 | On Loan: —       |

### 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