UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 11)*

Navios Maritime Holdings Inc.

(Name of Issuer)

Common Stock, par value $.0001 per share

(Title of Class of Securities)

Y62196103

(CUSIP Number)

Navios Maritime Holdings Inc.

Attn: Vasiliki Papaefthymiou

7 Avenue de Grande Bretagne, Office 11B2

Monte Carlo, MC 98000 Monaco

Tel. No. + 37797982140

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

March 29, 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.  ☐

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).

SCHEDULE 13D

SCHEDULE 13D

SCHEDULE 13D

Explanatory Note:

Except as specifically amended and supplemented by this Amendment No. 11 (“Amendment No. 11”), and by Amendment No. 1 filed on February 2, 2005, Amendment No. 2 filed on May 27, 2005, Amendment No. 3 filed on July 29, 2005, Amendment No. 4 filed on February 16, 2006, Amendment No. 5 filed on May 18, 2007, Amendment No. 6 filed on June 5, 2007, Amendment No. 7 filed on October 28, 2010, Amendment No. 8 filed on April 29, 2014, Amendment No. 9 filed on May 15, 2015 and Amendment No. 10 filed on April 12, 2017, all other provisions of the Schedule 13D filed by the Reporting Persons on December 16, 2004 (the “Original Schedule 13D”) remain in full force and effect. The original Schedule 13D together with each of the Amendments thereto is referred to herein as the “Schedule 13D.” Capitalized terms used herein and not otherwise defined shall have the same meanings ascribed to them in the Original Schedule 13D.

Item 1. Security and Issuer

This Schedule 13D relates to the common stock, par value $.0001 per share (the “Common Stock”), of Navios Maritime Holdings Inc., a Marshall Islands corporation (the “Issuer”). The address of the principal executive office of the Issuer is 7 Avenue de Grande Bretagne, Office 11B2, Monte Carlo, MC 98000 Monaco.

Item 3. Source and Amount of Funds or Other Consideration

The securities described herein reflect the grants and vesting of the Issuer’s options to purchase shares of Common Stock and grants of restricted stock.

Item 4. Purpose of Transaction

Ms. Frangou has previously disclosed in this Schedule 13D that she intended, subject to market conditions, to purchase $20 million of Common Stock. As of the date hereof, she has acquired approximately $10 million of such Common Stock and still intends, subject to market conditions, to acquire the remaining $10 million of Common Stock. Neither the vesting and grants reported herein nor the acquisitions reported in Amendment No. 5, Amendment No. 7 or Amendment No. 8 to this Schedule 13D will be applied by Ms. Frangou towards such remaining $10 million.

Item 5. Interest in Securities of the Issuer

(a) Ms. Frangou is the direct and indirect beneficial owner of an aggregate of 39,665,352 shares of Common Stock, such shares representing approximately 30.6% of the issued and outstanding shares of Common Stock of the Issuer (based upon 124,710,780 shares of Common Stock outstanding, based on information received from the Issuer). The number of shares beneficially owned by Ms. Frangou includes 13,195,232 shares of Common Stock, which includes 5,111,991 shares underlying vested options to purchase shares of the Issuer’s Common Stock (approximately 10.2%) owned directly, 13,742,189 shares of Common Stock (approximately 11.0%) owned indirectly through Raymar Investments S.A. (“Raymar”), and 12,727,931 shares of Common Stock (approximately 10.2%) owned indirectly, through Amadeus.

(b) Ms. Frangou beneficially owns and has voting power and/or dispositive power over 39,665,352 shares of Common Stock either held directly or indirectly through her ownership of Amadeus or through her ability to vote the shares owned directly by Raymar.

Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer

This Amendment No. 11 amends and restates Item 6 to the Schedule 13D by adding the following:

On March 29, 2018, in connection with a facilities agreement (the “Facilities Agreement”) between Amadeus (as borrower) and Piraeus Bank S.A. (as lender), (1) Amadeus entered into a pledge agreement, dated March 29, 2018 (the “Amadeus Pledge Agreement”), pledging and granting a securities interest in 12,727,931 shares of Common Stock (the “Amadeus Pledged Shares”) and (2) Ms. Frangou (as guarantor under the Facilities Agreement) entered into a pledge agreement, dated March 29, 2018 (the “Frangou Pledge Agreement” and, together with the Amadeus Pledge Agreement, the “Pledge Agreements”), pledging and granting a security interest in 1,783,240 shares of Common Stock (the “Frangou Pledged Shares” and, together with the Amadeus Pledged Shares, the “Pledged Shares”).

The Reporting Persons retain all voting rights and are entitled to receive all cash dividends with respect to the Pledged Shares unless and until such Pledged Shares are required to be foreclosed pursuant to the Facilities Agreement. The Pledge Agreements contain default and similar provisions that are standard for such agreements.

Item 7. Material to Be Filed as Exhibits

None.

Remainder of Page Intentionally Left Blank

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 accurate.