# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001410368-26-017937
**Filing Date:** 2026-2
**Character Count:** 10930
**Document Hash:** c3ca6e5ccbe6f870db0318a109025230
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-017937.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0001410368-26-017937

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**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:** 26676193

**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 Tactical Allocation VP (Series ID: S000025458)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000076203 | Initial      |  |
| C000076204 | 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 Tactical Allocation VP

- **b. EDGAR series identifier (if any):** S000025458

- **c. LEI of Series:** 549300LH8R17FXLRO183

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

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

- **b. Date as of which information is reported:** 2025-12-31

**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:** $783506216.74

**Total Liabilities:** $11865164.07

**Net Assets:** $771641052.67

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000076203 | 1.20%                | 0.17%                | 0.34%                |
| Class ID C000076204 | 1.12%                | 0.31%                | 0.25%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $10322146.64             | $-1984097.40                               |
| Month 2  | $1311909.30              | $79313.40                                  |
| Month 3  | $1512405.41              | $-2969360.25                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|:---|:---|
| SPDR S&P 500 ETF Trust                           | SPDR S&P 500 ETF Trust                                                      | CUSIP: 78462F103<br>LEI: 549300NZAMSJ8FXPQQ63 | Long             | EC               | RF                | US        |     23670 | NS      | $16141046.40  | 2.09%             |  |  |  | No            | 1                  | On Loan: No      |
| Fixed Income Clearing Corp                       | FIXED INC CLEARING CORP.REPO                                                | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   2558238 | PA      | $2558237.68   | 0.33%             |  |  |  | No            | 2                  | On Loan: No      |
| Transamerica Large Cap Value                     | Transamerica Large Cap Value, Class I2                                      | CUSIP: 893509257<br>LEI: 549300NMC5GPLD2ULC77 | Long             | EC               | RF                | US        |   3134919 | NS      | $53951957.13  | 6.99%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica Small Cap Growth                    | Transamerica Small Cap Growth, Class I2                                     | CUSIP: 89355J656<br>LEI: 549300CCDLPC22NHUA05 | Long             | EC               | RF                | US        |   1380234 | NS      | $7329043.49   | 0.95%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica Small Cap Value                     | Transamerica Small Cap Value, Class I2                                      | CUSIP: 89355J763<br>LEI: 549300RKIQDFFOVG9875 | Long             | EC               | RF                | US        |   1693139 | NS      | $8702736.94   | 1.13%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica TS&W International Equity VP        | Transamerica TSW International Equity VP, Initial Class                     | CUSIP: 89360C159<br>LEI: 549300BLBBCIJ2CU0C98 | Long             | EC               | RF                | US        |   2234701 | NS      | $39822370.18  | 5.16%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica WMC US Growth VP                    | Transamerica WMC US Growth VP, Initial Class                                | CUSIP: 89360C332<br>LEI: 5493001V6580U6S22125 | Long             | EC               | RF                | US        |   1105316 | NS      | $46268544.63  | 6.00%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica Aegon Bond VP                       | Transamerica Aegon Bond VP, Initial Class                                   | CUSIP: 89360C514<br>LEI: JG2TUH0Q6HM6T4LE7X38 | Long             | EC               | RF                | US        |   2760085 | NS      | $26220806.80  | 3.40%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica International Focus VP              | Transamerica International Focus VP                                         | CUSIP: 89360C555<br>LEI: 5493003XOLH4BIQ5W804 | Long             | EC               | RF                | US        |   4339419 | NS      | $33153160.35  | 4.30%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica Morgan Stanley Capital Growth VP    | Transamerica Morgan Stanley Capital Growth VP                               | CUSIP: 89360C621<br>LEI: 549300WQP4ZZ4SI8CF52 | Long             | EC               | RF                | US        |   1188302 | NS      | $11455231.83  | 1.48%             |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica JPMorgan Enhanced Index VP          | Transamerica JPMorgan Enhanced Index VP                                     | CUSIP: 89360C662<br>LEI: 5493008SO3M7BKJ77M94 | Long             | EC               | RF                | US        |   6106954 | NS      | $178506273.63 | 23.13%            |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica JPMorgan Core Bond VP               | Transamerica Aegon Core Bond VP, Initial Class                              | CUSIP: 89360C688<br>LEI: 5493000FFMR7RP5KH592 | Long             | EC               | RF                | US        |  10089671 | NS      | $110582791.34 | 14.33%            |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica Short-Term Bond                     | Transamerica Short-Term Bond, Class I2                                      | CUSIP: 893961292<br>LEI: 549300151BL06CDX4A76 | Long             | EC               | RF                | US        |  11855280 | NS      | $117604380.25 | 15.24%            |  |  |  | No            | 1                  | On Loan: No      |
| Transamerica Bond                                | Transamerica Bond, Class I2                                                 | CUSIP: 893961334<br>LEI: 54930028OHE6MAPEQC05 | Long             | EC               | RF                | US        |  11802077 | NS      | $96304951.21  | 12.48%            |  |  |  | No            | 1                  | On Loan: No      |
| Vanguard Total Bond Market ETF                   | Vanguard Total Bond Market ETF                                              | CUSIP: 921937835<br>LEI: CIJB0QNLPT2SSWMJ5W92 | Long             | EC               | RF                | US        |    179621 | NS      | $13304527.47  | 1.72%             |  |  |  | No            | 1                  | On Loan: No      |
| WisdomTree Japan Hedged Equity Fund              | WisdomTree Japan Hedged Equity Fund                                         | CUSIP: 97717W851<br>LEI: 549300MCUICL7FEQ7B68 | Long             | EC               | RF                | US        |     63601 | NS      | $9168720.16   | 1.19%             |  |  |  | No            | 1                  | On Loan: —       |
| Transamerica Global Allocation Liquidating Trust | Transamerica Global Allocation Liquidating Trust, Class I2                  | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | RF                | US        |     13521 | NS      | $17103.76     | 0.00%             |  |  |  | Yes           | N/A                | 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        |   5256825 | NS      | $5256825.00   | 0.68%             |  |  |  | No            | 1                  | On Loan: No      |

### Signature

**Date Signed:** 2026-01-29

**Name of Applicant:** TRANSAMERICA SERIES TRUST

**Signature:** Kari Seabrands

**Name of Signer:** Kari Seabrands

**Title:** Treasurer