UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 3)*

LADDER CAPITAL CORP

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

505743104

(CUSIP Number)

December 31, 2018

(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 information required in 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).

Persons who respond to the collection of information contained in this form are not

required to respond unless the form displays a currently valid OMB control number.

CUSIP No. 505743104

CUSIP No. 505743104

CUSIP No. 505743104

INTRODUCTORY NOTE:

This Statement on Schedule 13G (Amendment No. 3) is being filed by (i) Her Majesty the Queen in Right of the Province of Alberta as represented by Alberta Investment Management Corporation (“AIMCo”), a body corporate established under the Alberta Investment Management Corporation Act R.S.A. c.A-26.5 (2007), with respect to investments held on behalf of clients for which AIMCo serves as investment manager, (ii) GP09 PX Ladder Capital Ltd. (“AIMCo-PX”), and (iii) GP09 GV Ladder Capital Ltd. (“AIMCo-GV”, and together with AIMCo-PX, the “AIMCo Funds”). AIMCo may be deemed to have voting and investment power with respect to shares held by AIMCo-PX and AIMCo-GV. AIMCo disclaims beneficial ownership of any such securities in which AIMCo has no actual pecuniary interest.

This Amendment No. 3 reflects the sale by the AIMCo Funds of shares of the Issuer’s Class A Common Stock in open market transactions during the year ended December 31, 2018. Following these transactions, none of the reporting persons directly or indirectly beneficially own any shares of the Issuer’s Class A Common Stock.

ITEM 1.

(a) Name of Issuer:

Ladder Capital Corp

(b) Address of Issuer’s Principal Executive Offices:

345 Park Avenue, 8th Floor

New York, New York 10154

ITEM 2.

(a) Name of Person Filing:

Her Majesty the Queen in Right of the Province of Alberta as represented by Alberta Investment Management Corporation

GP09 PX Ladder Capital Ltd.

GP09 GV Ladder Capital Ltd.

(b) Address of Principal Business Office, or if None, Residence:

AIMCo: 1100 - 10830 Jasper Avenue, Edmonton, Alberta T5J 2B3

AIMCo-PX: 1100 - 10830 Jasper Avenue, Edmonton, Alberta T5J 2B3

AIMCo-GV: 1100 - 10830 Jasper Avenue, Edmonton, Alberta T5J 2B3

(c) Citizenship:

AIMCo: Canada

AIMCo-PX: Canada

AIMCo-GV: Canada

(d) Title of Class of Securities:

Class A Common Stock

(e) CUSIP Number:

505743104

ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO SS.240.13d-1(b) OR 240.13d-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A:

Item 3 is not applicable.

ITEM 4. OWNERSHIP.

The responses of Reporting Persons to Rows 5, 6, 7, 8, 9, and 11 of the cover pages which relate to beneficial ownership of the Class A Common Stock of the Issuer are incorporated by reference.

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

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 5 percent of the class of securities, check the following: ☒

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

Pursuant to the Alberta Investment Management Corporation Act, R.S.A. c. A-26.5 (2007), AIMCo provides investment management services for a diverse group of Alberta public sector clients, including Alberta public sector pension plans and provincial endowment funds.

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

See Introductory Note above.

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

See Introductory Note above.

ITEM 9. NOTICE OF DISSOLUTION OF GROUP.

Item 9 is not applicable.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

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.

Dated: January 23, 2019