UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934


(Amendment No. 1)*

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐  Rule 13d-1(b)

☐  Rule 13d-1(c)

☒  Rule 13d-1(d)

*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 the 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).

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

*SEE INSTRUCTION BEFORE FILLING OUT!

Ryerson Holding Corporation (the “Issuer”)

227 W. Monroe, 27th Floor
Chicago, Illinois 60606

Item 2:

This Schedule 13G is filed by each of (i) RYPS, LLC, a Delaware limited liability company (“RYPS”), (ii) Platinum Equity Capital Partners, L.P., a Delaware limited partnership (“PECP”), (iii) Platinum Equity Capital Partners-PF, L.P., a Delaware limited partnership (“PECP-PF”), (iv) Platinum Equity Capital Partners-A, L.P., a Delaware limited partnership (“PECP-A”), (v) Platinum Equity Capital Partners II, L.P., a Delaware limited partnership (“PECP II”), (vi) Platinum Equity Capital Partners-PF II, L.P., a Delaware limited partnership (“PECP-PF II”), (vii) Platinum Equity Capital Partners-A II, L.P., a Delaware limited partnership (“PECP-A II”), (viii) Platinum Rhombus Principals, LLC, a Delaware limited liability company (“PRP”), (ix) Platinum Equity Partners, LLC, a Delaware limited liability company (“PEP”), (x) Platinum Equity Investment Holdings, LLC, a Delaware limited liability company (“PEIH”), (xi) Platinum Equity Partners II, LLC, a Delaware limited liability company (“PEP II”), (xii) Platinum Equity Investment Holdings II, LLC, a Delaware limited liability company (“PEIH II”), (xiii) Platinum Equity, LLC, a Delaware limited liability company (“Platinum Equity”), and (xiv) Tom Gores, an individual (each person or entity listed in clauses (i)-(xiv), a “Reporting Person”).

PECP, PECP-PF, PECP-A, PECP II, PECP-PF II, PECP-A II and PRP are members of RYPS and may be deemed to beneficially own the Common Stock (as defined below) of the Issuer owned by RYPS to the extent of their respective pecuniary interest therein.

PEP is the general partner of PECP, PECP-PF and PECP-A and may be deemed to beneficially own the Common Stock of the Issuer owned by PECP, PECP-PF and PECP-A. PEIH is the senior managing member of PEP and may be deemed to beneficially own the Common Stock of the Issuer beneficially owned by PEP.

PEP II is the general partner of PECP II, PECP-PF II and PECP-A II and may be deemed to beneficially own the Common Stock of the Issuer owned by PECP II, PECP-PF II and PECP-A II. PEIH II is the senior managing member of PEP II and PRP may be deemed to beneficially own the Common Stock of the Issuer beneficially owned by PEP II and PRP.

Platinum Equity is the sole member of PEIH and PEIH II and Mr. Gores is the Chairman and Chief Executive Officer of Platinum Equity which, through its affiliates, manages its affiliated investment funds. Mr. Gores may be deemed to share voting and investment power with respect to all shares of common stock of the Issuer held beneficially by Platinum Equity through the above listed affiliated investment funds. Mr. Gores disclaims beneficial ownership of all shares of common stock of the Issuer that are held by each of the Platinum entities listed above with respect to which Mr. Gores does not have a pecuniary interest therein. Eva M. Kalawski, Mary Ann Sigler, Jacob Kotzubei and Philip E. Norment are directors of the Issuer and each disclaims beneficial ownership of any shares of common stock of the Issuer that they may be deemed to beneficially own because of their affiliation with Platinum, except to the extent of any pecuniary interest therein.

360 N. Crescent Drive, South Building
Beverly Hills, CA 90210

	RYPS, LLC	Delaware
	Platinum Equity Capital Partners, L.P.	Delaware
	Platinum Equity Capital Partners-PF, L.P.	Delaware
	Platinum Equity Capital Partners-A, L.P.	Delaware
	Platinum Equity Capital Partners II, L.P.	Delaware
	Platinum Equity Capital Partners-PF II, L.P.	Delaware
	Platinum Equity Capital Partners-A II, L.P.	Delaware
	Platinum Rhombus Principals, LLC	Delaware
	Platinum Equity Partners, LLC	Delaware
	Platinum Equity Investment Holdings, LLC	Delaware
	Platinum Equity Partners II, LLC	Delaware
	Platinum Equity Investment Holdings II, LLC	Delaware
	Platinum Equity, LLC	Delaware
	Tom Gores	United States of America

Common Stock, par value $0.01 per share (“Common Stock”)

783754104

	A.	☐	Broker or dealer registered under Section 15 of the Act,
	B.	☐	Bank as defined in Section 3(a)(6) of the Act,
	C.	☐	Insurance Company as defined in Section 3(a)(19) of the Act,
	D.	☐	Investment Company registered under Section 8 of the Investment Company Act of 1940,
	E.	☐	Investment Adviser in accordance with Rule 13d-1 (b)(1)(ii)(E),
	F.	☐	Employee Benefit Plan or Endowment Fund in accordance with 13d-1 (b)(1)(ii)(F),
	G.	☐	Parent Holding Company or control person in accordance with Rule 13d-1 (b)(1)(ii)(G),

	H.	☐	Savings Association as defined in Section 3(b) of the Federal Deposit Insurance Act,
	I.	☐	Church Plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940,
	J.	☐	Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

(a) Amount beneficially owned: 21,037,500.000

(b) Percent of class: 65.5%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 21,037,500.000

(iv)	Shared power to dispose or direct the disposition: 0

(a) Amount beneficially owned: 3,022,756.570

(b) Percent of class: 9.4%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 3,022,756.570

(a) Amount beneficially owned: 564,690.785

(b) Percent of class: 1.8%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 564,690.785

(a) Amount beneficially owned: 830,427.645

(b) Percent of class: 2.6%

(c) Number of shares as to which such person has:

(iv)	Shared power to dispose or direct the disposition: 830,427.645

(a) Amount beneficially owned: 9,399,614.500

(b) Percent of class: 29.3%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 9,399,614.500

(a) Amount beneficially owned: 1,523,055.50

(b) Percent of class: 4.7%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 1,523,055.500

(a) Amount beneficially owned: 1,489,455.000

(b) Percent of class: 4.6%

(c) Number of shares as to which such person has:

(iv)	Shared power to dispose or direct the disposition: 1,489,455.000

(a) Amount beneficially owned: 4,207,500.000

(b) Percent of class: 13.1%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 4,207,500.000

(a) Amount beneficially owned: 4,417,875.000

(b) Percent of class: 13.8%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 4,417,875.000

(a) Amount beneficially owned: 4,417,875.000

(b) Percent of class: 13.8%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 4,417,875.000

(a) Amount beneficially owned: 12,412,125.000

(b) Percent of class: 38.7%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 12,412,125.000

(a) Amount beneficially owned: 16,619,625.000

(b) Percent of class: 51.8%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 16,619,625.000

(a) Amount beneficially owned: 21,037,500.000

(b) Percent of class: 65.5%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 21,037,500.00

(a) Amount beneficially owned: 21,037,500.000

(b) Percent of class: 65.5%

(c) Number of shares as to which such person has:

(iii)

Sole power to dispose or direct the disposition: 0

(iv)	Shared power to dispose or direct the disposition: 21,037,500.000

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ☐

N/A

N/A

The Reporting Persons are making this single, joint filing because they may be deemed to constitute a “group” within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). The agreement among each of the Reporting Persons to file jointly is attached to this Schedule 13G as Exhibit 99.1.  Each of the Reporting Persons disclaims beneficial ownership of these securities (except to the extent of any pecuniary interest therein) and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 13(d) or Section 16 of the Exchange Act, or for any other purposes.

N/A

N/A

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.