SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO § 240.13d-1(a) AND AMENDMENTS THERETO FILED

PURSUANT TO § 240.13d-2(a)

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

Ladder Capital Corp

(Name of Issuer)

Class A Common Stock, par value $0.001 per share

(Title of Class of Securities)

505743 104

(CUSIP Number)

Richard O’Toole, Esq.

Related Fund Management, LLC

60 Columbus Circle

New York, New York 10023

(212) 421-5333

with a copy to:

Alan J. Sinsheimer, Esq. and Robert W. Downes, Esq.

Sullivan & Cromwell LLP

125 Broad Street

New York, New York 10004

(212) 558-4000

(Name, Address and Telephone Number of Person Authorized to

Receive Notices and Communications)

December 12, 2018

(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 § 240.13d-7 for other parties to whom copies are to be sent.

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).

CUSIP No. 505743 104

* The percentage set forth above is calculated based on 103,941,899 shares of Class A Common Stock outstanding as of November 16, 2018, as reported in the Issuer’s Prospectus Supplement filed with the SEC on November 15, 2018 (the “Pro Supp”). The percentage excludes the effect of shares of Class A Common Stock issuable on exchange of currently outstanding units of Series REIT of Ladder Capital Finance Holdings (“LCFH”) and units of Series TRS of LCFH (collectively, “Units”) and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for shares of Class A Common Stock, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding shares of Class A Common Stock set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.

CUSIP No. 505743 104

* The percentage set forth above is calculated based on 103,941,899 shares of Class A Common Stock outstanding as of November 16, 2018, as reported in the Pro Supp. The percentage excludes the effect of shares of Class A Common Stock issuable on exchange of currently outstanding Units and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for shares of Class A Common Stock, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding shares of Class A Common Stock set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.

CUSIP No. 505743 104

* The percentage set forth above is calculated based on 103,941,899 shares of Class A Common Stock outstanding as of November 16, 2018, as reported in the Pro Supp. The percentage excludes the effect of shares of Class A Common Stock issuable on exchange of currently outstanding Units and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for shares of Class A Common Stock, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding shares of Class A Common Stock set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.

CUSIP No. 505743 104

* The percentage set forth above is calculated based on 103,941,899 shares of Class A Common Stock outstanding as of November 16, 2018, as reported in the Pro Supp. The percentage excludes the effect of shares of Class A Common Stock issuable on exchange of currently outstanding Units and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for shares of Class A Common Stock, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding shares of Class A Common Stock set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.

CUSIP No. 505743 104

* The percentage set forth above is calculated based on 103,941,899 shares of Class A Common Stock outstanding as of November 16, 2018, as reported in the Pro Supp. The percentage excludes the effect of shares of Class A Common Stock issuable on exchange of currently outstanding Units and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for shares of Class A Common Stock, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding shares of Class A Common Stock set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.

CUSIP No. 505743 104

* The percentage set forth above is calculated based on 103,941,899 shares of Class A Common Stock outstanding as of November 16, 2018, as reported in the Pro Supp. The percentage excludes the effect of shares of Class A Common Stock issuable on exchange of currently outstanding Units and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for shares of Class A Common Stock, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding shares of Class A Common Stock set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.

Item 1. Security and Issuer

This Amendment No. 5 to Schedule 13D (“Amendment No. 5”) relates to the Schedule 13D filed on March 13, 2017 and amended prior to the date of this amendment (as so amended prior to this amendment, the “Original Schedule 13D”) by Related Fund Management, LLC, a Delaware limited liability company (“Related Management”), Related Real Estate Fund II GP-A, LLC, a Delaware limited liability company (“Related GP-A”), Related Real Estate Fund II GP, L.P., a Delaware limited partnership (“Related GP”), Related Real Estate Fund II, L.P., a Delaware limited partnership (“Related Fund”), RREFII Acquisitions, LLC, a Delaware limited liability company (“RREFII Acquisitions”), and RREF II Ladder LLC, a Delaware limited liability company (“RREF Ladder”), all of whom are together referred to as the “Reporting Persons”, relating to the Class A Common Stock, par value $0.001 per share (“Shares”), of Ladder Capital Corp, a Delaware corporation (the “Issuer”). Capitalized terms used but not defined in this amendment shall have the meanings set forth in the Original Schedule 13D.

Item 5. Interest in Securities of the Issuer.

The first paragraph of Items 5(a) and (b) of the Original Schedule 13D is hereby amended and restated to read in full as follows:

“(a)-(b) Each of the Reporting Persons may be deemed to be the beneficial owner of 6,287,234 Shares, which represents approximately 6.0% of the outstanding Shares. This percentage is calculated based on 103,941,899 Shares outstanding as of November 16, 2018, as reported on the Issuer’s Prospectus Supplement filed with the SEC on November 15, 2018 (the “Pro Supp”). The percentage excludes the effect of Shares issuable on exchange of currently outstanding units of Series REIT of Ladder Capital Finance Holdings (“LCFH”) and units of Series TRS of LCFH (collectively, “Units”) and shares of Class B Common Stock of the Issuer. In the event that all outstanding Units and shares of Class B Common Stock are exchanged for Shares, such percentage would be equal to 5.4%, which is calculated based on the number of outstanding Shares set forth above and 13,117,419 shares of Class B Common Stock and Units outstanding as of November 16, 2018, as reported in the Pro Supp.”

Items 5(c) of the Original Schedule 13D is hereby amended and restated to read in full as follows:

“Except as set forth on Exhibit 10 attached hereto, there have been no transactions with respect to the Shares during the sixty days prior to the date of filing of this Amendment No. 5 by any of the Reporting Persons or, to their knowledge, any other person or entity referred to in Item 2 of this Schedule 13D.”

Item 7. Material to be Filed as Exhibits.

SIGNATURES

After reasonable inquiry and to the best of our knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct.