# EDGAR Filing Document

**Accession Number:** 0001112996
**File Stem:** 0001193125-23-059008
**Filing Date:** 2023-3
**Character Count:** 10934
**Document Hash:** 0b1b88c89094f9b613ef13f5fac419fc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-23-059008.hdr.sgml**: 20230303

**ACCESSION NUMBER**: 0001193125-23-059008

**CONFORMED SUBMISSION TYPE**: 485BXT

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20230303

**DATE AS OF CHANGE**: 20230303

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)
- **CENTRAL INDEX KEY:** 0001112996
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-09913
- **FILM NUMBER:** 23701651

**BUSINESS ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046
- **BUSINESS PHONE:** 713-626-1919

**MAIL ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM COUNSELOR SERIES TRUST
- **DATE OF NAME CHANGE:** 20040322

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM COUNSELOR SERIES FUNDS
- **DATE OF NAME CHANGE:** 20031126

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM COUNSELOR SERIES FUNDS INC
- **DATE OF NAME CHANGE:** 20031001
**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)
- **CENTRAL INDEX KEY:** 0001112996
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 485BXT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-36074
- **FILM NUMBER:** 23701650

**BUSINESS ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046
- **BUSINESS PHONE:** 713-626-1919

**MAIL ADDRESS:**
- **STREET 1:** 11 GREENWAY PLAZA
- **STREET 2:** SUITE 1000
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM COUNSELOR SERIES TRUST
- **DATE OF NAME CHANGE:** 20040322

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM COUNSELOR SERIES FUNDS
- **DATE OF NAME CHANGE:** 20031126

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AIM COUNSELOR SERIES FUNDS INC
- **DATE OF NAME CHANGE:** 20031001

## Series and Classes Contracts Data

### Invesco Nasdaq 100 Index Fund (Series ID: S000069698)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000222285 | Class R5     |  |
| C000222286 | Class Y      |  |
| C000222287 | Class A      |  |
| C000222288 | Class C      |  |
| C000222289 | Class R      |  |

As Filed with the United States Securities and Exchange Commission on March 3, 2023.

1933 Act Registration No. 333-36074

1940 Act Registration No. 811-09913

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM N-1A

*REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933* ☒ <br> Pre-Effective Amendment No. ☐ <br> Post-Effective Amendment No. 178 ☒

and/or

*REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940* ☐ <br> Amendment No. 179 ☒

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

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AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)

(Exact Name of Registrant as Specified in Charter)

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11 Greenway Plaza, Suite 1000, Houston, TX 77046-1173

(Address of Principal Executive Office)

Registrant's Telephone Number, including Area Code: (713) 626-1919

Melanie Ringold, Esquire <br>11 Greenway Plaza, Suite 1000, Houston, TX 77046

(Address of Principal Executive Office)

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*Copy to:* 

Taylor V. Edwards, Esquire Invesco Advisers, Inc. 225 Liberty Street, 15th FL New York, NY 10281-1087 Matthew R. DiClemente, Esquire Mena M. Larmour, Esquire Stradley Ronon Stevens & Young, LLP 2005 Market Street, Suite 2600 Philadelphia, Pennsylvania 19103-7018

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Approximate Date of Proposed Public Offering: As soon as practicable after the effective date of this Amendment.

---

| | |
|:---|:---|
| It is proposed that this filing will become effective (check appropriate box) | It is proposed that this filing will become effective (check appropriate box) |
| __ | immediately upon filing pursuant to paragraph (b) |
| X | on April 2, 2023 pursuant to paragraph (b) |
| __ | 60 days after filing pursuant to paragraph (a) |
| __ | on (date) pursuant to paragraph (a) |
| __ | 75 days after filing pursuant to paragraph (a)(2) |
| __ | on (date) pursuant to paragraph (a)(2) of rule 485 |
| If appropriate, check the following box: | If appropriate, check the following box: |
| X | This post-effective amendment designates a new effective date for a previously filed post-effective amendment. |

---

This post-effective amendment relates only to the Class A, Class C, Class R, Class Y and Class R5 shares of Invesco NASDAQ 100 Index Fund series of the Registrant (the "Fund") as described in the Explanatory Note below. No information relating to the Registrant's other series is amended or superseded hereby.

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EXPLANATORY NOTE

Post-Effective Amendment No. 134 to the Registrant's Registration Statement under the Securities Act of 1933, as amended (the "Securities Act") (Amendment No. 135 under the Investment Company Act of 1940, as amended (the "Investment Company Act")) ("PEA No. 134"), was filed with the U.S. Securities and Exchange Commission via the EDGAR system pursuant to Rule 485(a)(1) under the Securities Act on July 28, 2020, EDGAR Accession No. 0001137439-20-000666, relating to the Class A, Class C, Class R, Class Y and Class R5 shares of Invesco NASDAQ 100 Index Fund (the "Fund").

Pursuant to Rule 485(b)(1)(iii) under the Securities Act, this Post-Effective Amendment No. 178 to the Registrant's Registration Statement under the Securities Act (Amendment No. 179 under the Investment Company Act) ("PEA No. 178") is being filed solely for the purpose of designating April 2, 2023, as the new effective date for PEA No. 134. The effectiveness of PEA No. 134 was delayed previously pursuant to Post-Effective Amendment Nos. 140, 141, 142, 144, 145, 146, 147, 148, 150, 151, 153, 154, 155, 156, 157, 158, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 173, 175 and 176 to the Registrant's Registration Statement filed on October 9, 2020, November 10, 2020, December 9, 2020, January 7, 2021, February 4, 2021, March 4, 2021, April 1, 2021 April 30, 2021, May 28, 2021, June 25, 2021, July 23, 2021, August 20, 2021, September 17, 2021, October 15, 2021, November 12, 2021, December 10, 2021, January 7, 2022, February 4, 2022, March 4, 2022, April 1, 2022, April 29, 2022, May 27, 2022, June 24, 2022, July 22, 2022, August 19, 2022, September 16, 2022, October 14, 2022 November 10, 2022, December 9, 2022, January 6, 2023 and February 3, 2023, respectively.

The Prospectus and Statement of Additional Information for the Fund's Class A, Class C, Class R, Class Y and Class R5 shares included in [<u>PEA No. 134</u>](https://www.sec.gov/Archives/edgar/data/1112996/000113743920000666/acstretail485a07282020.htm) are incorporated by reference into this PEA No. 178.

The Part C of the Registrant's Registration Statement included in [Post-Effective Amendment No. 177](https://www.sec.gov/ix?doc=/Archives/edgar/data/0001112996/000119312523042112/d378316d485bpos.htm) to the Registrant's Registration Statement under the Securities Act (Amendment No. 178 under the Investment Company Act), filed on February 17, 2023, EDGAR Accession No. 0001193125-23-042112, is incorporated by reference into this PEA No. 178.

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**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration Statement under Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the city of Houston, Texas, on the 3rd day of March, 2023.

---

| | |
|:---|:---|
| AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) | AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST) |
| By: | /s/ Sheri Morris |
|  | Sheri Morris |
| Title: | President |

---

Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed below by the following persons in the capacities indicated on the dates indicated.

---

| | | |
|:---|:---|:---|
| SIGNATURE | TITLE | DATE |
| /s/ Sheri Morris | President | March 3, 2023 |
| (Sheri Morris) | (Principal Executive Officer) |  |
| /s/ Beth Ann Brown\*\*\* | Chair and Trustee | March 3, 2023 |
| (Beth Ann Brown) |  |  |
| /s/ Martin L. Flanagan\* | Vice Chair and Trustee | March 3, 2023 |
| (Martin L. Flanagan) |  |  |
| /s/ Cynthia Hostetler\* | Trustee | March 3, 2023 |
| (Cynthia Hostetler) |  |  |
| /s/ Eli Jones\* | Trustee | March 3, 2023 |
| (Eli Jones) |  |  |
| /s/ Elizabeth Krentzman\*\*\* | Trustee | March 3, 2023 |
| (Elizabeth Krentzman) |  |  |
| /s/ Anthony J. LaCava, Jr.\*\* | Trustee | March 3, 2023 |
| (Anthony J. LaCava, Jr.) |  |  |
| /s/ Prema Mathai-Davis\* | Trustee | March 3, 2023 |
| (Prema Mathai-Davis) |  |  |
| /s/ Joel W. Motley\*\*\* | Trustee | March 3, 2023 |
| (Joel W. Motley) |  |  |
| /s/ Teresa M. Ressel\* | Trustee | March 3, 2023 |
| (Teresa M. Ressel) |  |  |
| /s/ Robert C. Troccoli\* | Trustee | March 3, 2023 |
| (Robert C. Troccoli) |  |  |
| /s/ Daniel S. Vandivort\*\*\* | Trustee | March 3, 2023 |
| (Daniel S. Vandivort) |  |  |
| /s/ Adrien Deberghes | Vice President & | March 3, 2023 |
| Adrien Deberghes | &nbsp;&nbsp;&nbsp;&nbsp; Treasurer<br> (Principal Financial Officer)<br>|  |
| /s/ Sheri Morris |  | March 3, 2023 |
| Sheri Morris |  |  |
| Attorney-In-Fact |  |  |

---

[<u>\*Sheri Morris, pursuant to powers of attorney dated March 28, 2018, filed in the Registrant's Post-Effective Amendment No. 120 on August 27,</u>](http://www.sec.gov/Archives/edgar/data/1112996/000119312519230922/d792795dex99qa.htm)[<u>2019.</u>](http://www.sec.gov/Archives/edgar/data/1112996/000119312519230922/d792795dex99qa.htm)

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[<u>\*\*Sheri Morris, pursuant to power of attorney dated March 1, 2019, filed in the Registrant's Post-Effective Amendment No. 120 on August 27,</u>](http://www.sec.gov/Archives/edgar/data/1112996/000119312519230922/d792795dex99qb.htm)[<u>2019.</u>](http://www.sec.gov/Archives/edgar/data/1112996/000119312519230922/d792795dex99qb.htm)

[<u>\*\*\*Sheri Morris, pursuant to powers of attorney dated June 10, 2019, filed in the Registrant's Post-Effective Amendment No. 120 on August 27,</u>](http://www.sec.gov/Archives/edgar/data/1112996/000119312519230922/d792795dex99qc.htm)[<u>2019.</u>](http://www.sec.gov/Archives/edgar/data/1112996/000119312519230922/d792795dex99qc.htm)

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