Company: SRV
Filing Date: 2025-04-10
Form Type: N-2
Source: 0001398344-25-006954
Chunk: 0

Company: NXG Cushing Midstream Energy Fund
Filing Date: 2025-04-10
Form: N-2
Chunk 0
---
As filed with the Securities and Exchange Commission
on April 10, 2025

Securities Act File No. 333-______

Investment Company Act File No. 811-22072

<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-2</div>

[X] Registration Statement
under the Securities Act of 1933

[ ] Pre-Effective
Amendment No.

[ ] Post-Effective
Amendment No.

<div align='center'>and/or</div>

[X] Registration Statement under the Investment
Company Act of 1940

[X] Amendment No. 27

<div align='center'>NXG Cushing Midstream Energy Fund

NXG CUSHING ®MIDSTREAM ENERGY FUND(Registrant’s Exact Name as Specified in Charter)

One Energy Square

4925 Greenville Avenue, Suite 1310
Dallas, Texas 75206

(Address of Principal Executive Offices)

( 214) 692-6334

(Registrant’s Telephone Number, including
Area Code)

John Musgrave
Cushing® Asset Management, LP
One Energy Square

4925 Greenville Avenue, Suite 1310
Dallas, Texas 75206

(Name and Address of Agent for Service)

Copies to:

Kevin T. Hardy, Esq.

Skadden, Arps, Slate, Meagher & Flom LLP

320 South Canal Street

Chicago, Illinois 60606</div>

Approximate date of proposed public offering: From time to time after the effective date of this Registration Statement.

| [ 
 ] | Check box if the only securities being registered on this Form are being offered pursuant to dividend or 
 interest reinvestment plans.                                                                             |

| [X] | Check box if any securities being registered on this Form will be offered on a delayed or continuous basis               
 in reliance on Rule 415 under the Securities Act of 1933 (“Securities Act”), other than securities offered in connection 
 with a dividend reinvestment plan.                                                                                       |

| [X] | Check box if this Form is a registration statement pursuant to General Instruction A.2 or a post-effective 
 amendment thereto.                                                                                         |

| [ 
 ] | Check box if this Form is a registration statement pursuant to General Instruction B or a post-effective                       
 amendment thereto that will become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act. |

| [ 
 ] |