# EDGAR Filing Document

**Accession Number:** 0000778207
**File Stem:** 0001410368-26-017975
**Filing Date:** 2026-2
**Character Count:** 7652
**Document Hash:** 646379de1e87fd4763abc525fcbeaba5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-017975.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0001410368-26-017975

**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:** 26676231

**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 Morgan Stanley Global Allocation Managed Risk - Balanced VP (Series ID: S000047203)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000147921 | 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 Morgan Stanley Global Allocation Managed Risk - Balanced VP

- **b. EDGAR series identifier (if any):** S000047203

- **c. LEI of Series:** 549300NUUJ6CENEH7588

**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:** $188568949.28

**Total Liabilities:** $114354.73

**Net Assets:** $188454594.55

**Cash Not Reported:** $519461.67

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000147921 | 1.33%                | 0.00%                | 0.87%                |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-2779547.94             | $5315977.91                                |
| Month 2  | $-2651405.52             | $2631671.51                                |
| Month 3  | $-957353.70              | $2701295.97                                |

**Designated Index Information**

- **Index Name:** Securities Portfolio VaR

- **Index Identifier:** Designated Reference Portfolio is the Fund's Securities Portfolio

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Fixed Income Clearing Corp                       | FIXED INC CLEARING CORP.REPO                     | CUSIP: 000000000<br>LEI: 549300H47WTHXPU08X20 | Long             | RA               | CORP              | US        |   4453814 | PA      | $4453814.06   | 2.36%             |  |  |  | No            |                  2 | On Loan: No      |
| Transamerica Morgan Stanley Global Allocation VP | Transamerica Morgan Stanley Global Allocation VP | CUSIP: 89360D413<br>LEI: ORP3UMV3V03ZTFCT2438 | Long             | EC               | RF                | US        |  35025006 | NS      | $183531031.09 | 97.39%            |  |  |  | No            |                  1 | On Loan: No      |
| Chicago Mercantile Exchange                      | Future                                           | CUSIP: 000000000<br>LEI: SNZ2OJLFK8MNNCLQOF39 | N/A              | DFE              |  | US        |         2 | NC      | $1785.90      | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Chicago Mercantile Exchange                      | Future                                           | CUSIP: 000000000<br>LEI: SNZ2OJLFK8MNNCLQOF39 | N/A              | DE               |  | US        |        19 | NC      | $3540.75      | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Eurex Deutschland                                | Future                                           | CUSIP: 000000000<br>LEI: 529900LN3S50JPU47S06 | N/A              | DE               |  | DE        |        19 | NC      | $18631.15     | 0.01%             |  |  |  | No            |                  1 | On Loan: No      |
| ICE Futures U.S., Inc.                           | Future                                           | CUSIP: 000000000<br>LEI: 5493004R83R1LVX2IL36 | N/A              | DE               |  | US        |        15 | NC      | $22598.75     | 0.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Chicago Mercantile Exchange                      | Future                                           | CUSIP: 000000000<br>LEI: SNZ2OJLFK8MNNCLQOF39 | N/A              | DFE              |  | US        |         5 | NC      | $-910.25      | -0.00%            |  |  |  | No            |                  1 | On Loan: No      |
| Chicago Mercantile Exchange                      | Future                                           | CUSIP: 000000000<br>LEI: SNZ2OJLFK8MNNCLQOF39 | N/A              | DFE              |  | US        |         8 | NC      | $8313.60      | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| ICE Futures Europe - Financial Products Division | Future                                           | CUSIP: 000000000<br>LEI: N/A                  | N/A              | DE               |  | GB        |         2 | NC      | $6064.43      | 0.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Osaka Exchange                                   | Future                                           | CUSIP: 000000000<br>LEI: 3538001249AILNPRUX57 | N/A              | DE               |  | JP        |         2 | NC      | $-1534.22     | -0.00%            |  |  |  | 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