# EDGAR Filing Document

**Accession Number:** 0002034406
**File Stem:** 0001213900-25-055709
**Filing Date:** 2025-6
**Character Count:** 2377
**Document Hash:** 698b1e62a8d0ea32b5560ebd58ea4381
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-055709.hdr.sgml**: 20250620

**ACCESSION NUMBER**: 0001213900-25-055709

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 17

**FILED AS OF DATE**: 20250620

**DATE AS OF CHANGE**: 20250618

**EFFECTIVENESS DATE**: 20250620

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Tortoise Capital Series Trust
- **CENTRAL INDEX KEY:** 0002034406

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-281744
- **FILM NUMBER:** 251058034

**BUSINESS ADDRESS:**
- **STREET 1:** 6363 COLLEGE BOULEVARD
- **STREET 2:** SUITE 100A
- **CITY:** OVERLAND PARK
- **STATE:** KS
- **ZIP:** 66211
- **BUSINESS PHONE:** 866-362-9331

**MAIL ADDRESS:**
- **STREET 1:** 6363 COLLEGE BOULEVARD
- **STREET 2:** SUITE 100A
- **CITY:** OVERLAND PARK
- **STATE:** KS
- **ZIP:** 66211

## Series and Classes Contracts Data

### Tortoise Energy Fund (Series ID: S000092090)

---

|  |  |
|:---|:---|
| Class Name           | Class ID   |
| Tortoise Energy Fund | C000260013 |

---

## Series and Classes Contracts Data

### Tortoise Energy Fund (Series ID: S000092090)

| Class ID   | Class Name           | Ticker Symbol   |
|:---|:---|:---|
| C000260013 | Tortoise Energy Fund |  |

?xml version='1.0' encoding='ASCII'?

**TORTOISE CAPITAL SERIES TRUST**

**TORTOISE ENERGY FUND**

**SUPPLEMENT DATED JUNE 18, 2025**

**TO THE PROSPECTUS DATED JUNE 13, 2025**

Effective immediately, the "TORTOISE ENERGY FUND SUMMARY—Example" section of the Fund's prospectus is replaced in its entirety with the following:

This example is intended to help you compare the cost of investing in the Fund with the cost of investing in other funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that Fund's operating expenses remain the same.

Although your costs may be higher or lower, based on these assumptions your costs would be:

---

| | | | |
|:---|:---|:---|:---|
| **One Year** | **Three Years** | **Five Years** | **Ten Years** |
| $87 | $271 | $471 | $1048 |

---

PLEASE RETAIN THE SUPPLEMENT FOR FUTURE REFERENCE