UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)*

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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1	NAMES OF REPORTING PERSONS
	JHL Capital Group Holdings One LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware, United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			0
		8	SHARED VOTING POWER
			9,610,398
		9	SOLE DISPOSITIVE POWER
			0
		10	SHARED DISPOSITIVE POWER
			9,610,398
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	9,610,398
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	5.4%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

1	NAMES OF REPORTING PERSONS
	JHL Capital Group Holdings Two LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware, United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			0
		8	SHARED VOTING POWER
			28,564,449
		9	SOLE DISPOSITIVE POWER
			0
		10	SHARED DISPOSITIVE POWER
			28,564,449
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	28,564,449
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	16.1%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

1	NAMES OF REPORTING PERSONS
	JHL Capital Group Master Fund L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			0
		8	SHARED VOTING POWER
			38,174,847
		9	SOLE DISPOSITIVE POWER
			0
		10	SHARED DISPOSITIVE POWER
			38,174,847
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	38,174,847
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	21.5%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN, HC

1	NAMES OF REPORTING PERSONS
	JHL Capital Group Master Fund GP Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	Cayman Islands
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			0
		8	SHARED VOTING POWER
			38,174,847
		9	SOLE DISPOSITIVE POWER
			0
		10	SHARED DISPOSITIVE POWER
			38,174,847
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	38,174,847
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	21.5%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	CO, HC

1	NAMES OF REPORTING PERSONS
	JHL Capital Group L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware, United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			0
		8	SHARED VOTING POWER
			38,177,064
		9	SOLE DISPOSITIVE POWER
			0
		10	SHARED DISPOSITIVE POWER
			38,177,064
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	38,177,064
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	21.5%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN, HC

1	NAMES OF REPORTING PERSONS
	James H. Litinsky
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a)	☐
				(b)	☐
3	SEC USE ONLY
4	SOURCE OF FUNDS (SEE INSTRUCTIONS)
	AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)				☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER
			16,824,773
		8	SHARED VOTING POWER
			38,177,064
		9	SOLE DISPOSITIVE POWER
			16,824,773
		10	SHARED DISPOSITIVE POWER
			38,177,064
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	55,001,837
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)				☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
	31.0%
14	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN, HC

Item 1 of the Schedule 13D is hereby amended and supplemented as follows:

This Amendment No. 4 to Schedule 13D (“Amendment No. 4”) amends and supplements the information set forth in the Schedule 13D filed by the Reporting Persons with the U.S. Securities and Exchange Commission (the “SEC”) on November 27, 2020 (the “Original Schedule 13D”), as amended by Amendment No. 1 filed on December 23, 2020, Amendment No. 2 filed on March 30, 2021, and Amendment No. 3 filed on September 20, 2021 (collectively the “Schedule 13D”), relating to the shares of Class A Common Stock, par value $0.0001 per share (the “Common Stock”), of MP Materials Corp.  (the “Issuer”). The address of the principal executive offices of the Issuer is 6720 Via Austi Parkway, Suite 450, Las Vegas, Nevada 89119. All capitalized terms contained herein but not otherwise defined shall have the meanings ascribed to such terms in the Schedule 13D. Except as specifically provided herein, this Amendment No. 4 does not modify any of the information previously reported in the Schedule 13D.

Item 5(a)-(c) of the Schedule 13D is hereby amended and supplemented as follows:

(a, b) As of the date hereof, Mr. Litinsky may be deemed to beneficially own 55,001,837 shares of Common Stock, representing approximately 31.0% of the shares of Common Stock outstanding. This amount consists of: (i) 2,217 shares of Common Stock held directly by JHL Capital Group, representing approximately 0.001% of the shares of Common Stock outstanding; (ii) 9,610,398  shares of Common Stock held directly by JHL Group Holdings One, representing approximately 5.4% of the shares of Common Stock outstanding; (iii) 28,564,449 shares of Common Stock held directly by JHL Group Holdings Two, representing approximately 16.1% of the shares of Common Stock outstanding; (iv) 16,024,773 shares of Common Stock held in the Revocable Trust, representing approximately 9.0% of the shares of Common Stock outstanding, and (v) 800,000 restricted stock units (“RSUs”) granted to Mr. Litinsky that vest in four annual installments beginning on the November 18, 2022, where each RSU represents the contingent right to receive, upon vesting of the RSU, one share of Common Stock.

As the 100% owner of each of JHL Group Holdings One and JHL Group Holdings Two, Master Fund may be deemed to beneficially own 38,174,847  shares of Common Stock, representing approximately 21.5% of the shares of Common Stock outstanding. This amount consists of (i) 9,610,398  shares of Common Stock held directly by JHL Group Holdings One, representing approximately 5.4% of the shares of Common Stock outstanding and (ii) 28,564,449 shares of Common Stock held directly by JHL Group Holdings Two, representing approximately 16.1% of the shares of Common Stock outstanding. As the general partner of Master Fund, Master Fund GP may be deemed to beneficially own the 38,174,847 shares of Common Stock beneficially owned by Master Fund, representing approximately 21.5% of the shares of Common Stock outstanding.

As the investment manager of Master Fund and the 100% owner of Master Fund GP, JHL Capital Group may be deemed to beneficially own 38,177,064 shares of Common Stock, representing approximately 21.5% of the shares of Common Stock outstanding. This amount consists of: (i) 2,217 shares of Common Stock held directly by JHL Capital Group, representing approximately 0.001% of the shares of Common Stock outstanding; (ii) 9,610,398  shares of Common Stock held directly by JHL Group Holdings One, representing approximately 5.4% of the shares of Common Stock outstanding; and (iii) 28,564,449 shares of Common Stock held directly by JHL Group Holdings Two, representing approximately 16.1% of the shares of Common Stock outstanding. As the 100% owner of JHL Capital Group, JHL Capital Group L.P. may be deemed to beneficially own the 38,177,064 shares of Common Stock beneficially owned by JHL Capital Group, representing approximately 21.5% of the shares of Common Stock outstanding.

The percentage of shares of Common Stock outstanding reported herein is based on 177,524,993 shares outstanding as of February 17, 2022, as set forth in the Issuer’s annual report on Form 10-K filed with the SEC on February 28, 2022.

(c) On February 28, 2022, JHL Group Holdings One sold 944,051 shares of Common Stock through a broker at a price of $43.50 per share and JHL Group Holdings Two sold 2,805,949 shares of Common Stock through a broker at a price of $43.50 per share.  No other transactions in the shares of Common Stock were effected by the Reporting Persons during the past sixty days.

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

March 2, 2022