As of November 6, 2026, 4 holders' latest Schedule 13D or 13G filings report owning 5% or more of Marti Technologies, Inc. The largest reported stake is Cankut Durgun's, at 17.1%. 7 filings are on record since July 2, 2025 (Schedule 13D/A, April 24, 2026).
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Key facts
- · Holder: Cankut Durgun · Percent: 17.1% · SCHEDULE 13D/A
- · Holder: Oguz Alper Oktem · Percent: 16.6% · SCHEDULE 13D/A
- · Holder: DLD Asset Management, LP · Percent: 9.99% · SCHEDULE 13G
- · Holder: Oguz Alper Oktem · Percent: 15.6% · SCHEDULE 13D/A
- · Holder: Sumed Equity Ltd · Percent: 10.5% · SCHEDULE 13D/A
Marti Technologies, Inc. has 7 Schedule 13D or 13G filings on record since 2025-07-02. 4 holders' latest filing reports 5% or more of class a ordinary shares, par value $0.0001 per share. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| 17.1% | 14,716,803 | SCHEDULE 13D/A, 2026-04-24 | 2026-04-22 | |
| 16.6% | 14,275,626 | SCHEDULE 13D/A, 2026-04-24 | 2026-04-22 | |
| Sumed Equity Ltd | 10.5% | 8,063,869 | SCHEDULE 13D/A, 2025-10-29 | 2025-03-29 |
| DLD Asset Management, LP | 9.99% | 8,160,068 | SCHEDULE 13G, 2026-01-02 | 2023-09-30 |
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Purpose of Transaction (Item 4)
Cankut Durgun
Item 4 of the Schedule 13D is hereby amended and supplemented as follows: The purpose of filing this Amendment No. 2 is to report the contribution, on April 22, 2026, of the Contributed Shares to the Oktem Family Fund pursuant to the 2nd A&R LLCA. Pursuant to the terms of the 2nd A&R LLCA, Esra Unluaslan Durgun (the "Durgun Member") shall maintain all beneficial ownership rights to the Contributed Shares held by the Oktem Family Fund (the "Durgun Portfolio Company Shares"), including an irrevocable proxy to control the voting of such shares and the ability to direct the sale of such shares at any time. Upon the occurrence of certain trigger events (including a floor price for the Durgun Portfolio Company Shares) or at any time after October 31, 2028, the Manager may exercise its rights to dispose of the Durgun Portfolio Company Shares in accordance with the 2nd A&R LLCA. The Manager does not otherwise have the ability to exercise voting or investment power with respect to the Durgun Portfolio Company Shares. The 2nd A&R LLCA also provides that, following the full return of the preferred investment amount to the Manager's affiliate, the Durgun Member shall have the right to require the Oktem Family Fund to distribute all Durgun Portfolio Company Shares then held by the Oktem Family Fund to the Durgun Member in kind in accordance with the 2nd A&R LLCA. Cankut Durgun is the spouse of Esra Unluaslan Durgun and serves as President, Chief Operating Officer and Director of the …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-04-24; the filing has the rest
Oguz Alper Oktem
Item 4 of the Schedule 13D is hereby amended and supplemented as follows: The purpose of filing this Amendment No. 3 is to report the contribution, on April 22, 2026, of 10,800,000 Class A Ordinary Shares to the Oktem Family Fund by a newly admitted member, pursuant to the Second Amended and Restated Limited Liability Company Agreement of the Oktem Family Fund (the "2nd A&R LLCA"), which amends and restates the Amended and Restated Limited Liability Company Agreement (the "Prior LLCA"). The 2nd A&R LLCA reflects the admission of a new member to the Oktem Family Fund, who contributed 10,800,000 Class A Ordinary Shares. Following such contribution, the Oktem Family Fund holds a total of 22,800,000 Class A Ordinary Shares. Pursuant to the 2nd A&R LLCA, the Reporting Person's rights with respect to the Class A Ordinary Shares contributed by the Reporting Person and Sena Oktem (collectively, the "Oktem Members") to the Oktem Family Fund (the "Oktem Portfolio Company Shares") remain substantially the same as under the Prior LLCA. Specifically, the Reporting Person shall maintain all beneficial ownership rights to the Oktem Portfolio Company Shares held by the Oktem Family Fund, including an irrevocable proxy to control the voting of such shares and the ability to direct the sale of such shares at any time. Upon the occurrence of certain trigger events (including a floor price for the Oktem Portfolio Company Shares) or at any time after October 31, 2028, the Manager (as defined …The first part of Item 4 of the SCHEDULE 13D/A filed 2026-04-24; the filing has the rest
Sumed Equity Ltd
The information in Item 6 of this Amendment is incorporated herein by reference. The Reporting Persons hold the Company securities reported herein for investment purposes, subject to the following: The Reporting Persons intend to review on a continuing basis their investments in the Company. The Reporting Persons may communicate with the Board, members of management and/or other stockholders from time to time with respect to operational, strategic, financial or governance matters or otherwise work with management and the Board with a view to maximizing stockholder value. Such discussions and actions may be preliminary and exploratory in nature, and may not rise to the level of a plan or proposal. The Reporting Persons may seek to acquire additional securities of the Company (which may include rights or securities exercisable or convertible into securities of the Company) from time to time, and/or may seek to sell or otherwise dispose of some or all of the Company's securities from time to time, in each case, in open market or private transactions, block sales or otherwise, including in connection with extraordinary corporate transactions, such as a tender offer, merger or consolidation that would result in the de-listing of the Class A Ordinary Shares, or through in-kind distributions. The Reporting Persons expect to continue to actively evaluate such transactions, and to take other actions intended to position the Reporting Persons to opportunistically engage in one or …The first part of Item 4 of the SCHEDULE 13D/A filed 2025-10-29; the filing has the rest
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-02 | Cankut Durgun | 17.1% | SCHEDULE 13D/A |
| 2025-07-02 | Oguz Alper Oktem | 16.5% | SCHEDULE 13D/A |
| 2025-10-29 | Sumed Equity Ltd | 10.5% | SCHEDULE 13D/A |
| 2025-12-22 | Oguz Alper Oktem | 15.6% | SCHEDULE 13D/A |
| 2026-01-02 | DLD Asset Management, LP | 9.99% | SCHEDULE 13G |
| 2026-04-24 | Cankut Durgun | 17.1% | SCHEDULE 13D/A |
| 2026-04-24 | Oguz Alper Oktem | 16.6% | SCHEDULE 13D/A |
Questions about who owns Marti Technologies, Inc.
Who owns Marti Technologies, Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Marti Technologies, Inc.: Cankut Durgun (17.1%, Schedule 13D/A, filed 2026-04-24), Oguz Alper Oktem (16.6%, Schedule 13D/A, filed 2026-04-24), Sumed Equity Ltd (10.5%, Schedule 13D/A, filed 2025-10-29) and DLD Asset Management, LP (9.99%, Schedule 13G, filed 2026-01-02).
Who are the largest shareholders of Marti Technologies, Inc.?
By the share each holder's latest filing reports, the largest holders of Marti Technologies, Inc. on this page are Cankut Durgun (17.1%), Oguz Alper Oktem (16.6%) and Sumed Equity Ltd (10.5%).
When did Cankut Durgun buy into Marti Technologies, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Cankut Durgun on this page is the Schedule 13D/A, filed 2025-07-02, reporting 17.1%; its latest, Schedule 13D/A filed 2026-04-24, reports 17.1%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 7 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.