7 September 2026 · Yotters, independent yacht media
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Industry & Capital

Koc Holding Raises RMK Marine Stake to 88.4pc, Mid-Yalova Build

Koc Holding has spent TL 2.698 billion buying out unclaimed rights in RMK Marine, lifting its stake in the Turkish shipbuilder from 83.73 percent to 88.37 percent weeks after the group broke ground on a dedicated 70,000-square-metre yacht campus in Yalova. An owner with an RMK Yachts hull on order, or weighing one, gets a fuller picture of who now stands behind the yard through a relocation that runs into 2027.
25 August 20264 min readYotters DeskEdited by Leon Soliman
A 1912 shipyard drawing from Cockerill Yards detailing the lines and plating of steel workboats
A 1912 shipyard drawing from Cockerill Yards detailing the lines and plating of steel workboatsPhoto: Cockerill Yards / Wikimedia Commons (Public domain)

What did Koc Holding actually buy in RMK Marine?

Koc Holding exercised its own pre-emption rights plus every right its co-shareholders left unclaimed in a TL 71 million capital increase, paying TL 2.698 billion in cash at TL 0.38 a share to lift its stake from 83.73 percent to 88.37 percent.

The move was approved at an extraordinary general meeting on 31 July 2026 and raised RMK Marine's paid-in capital from TL 177.8 million to TL 248.8 million. The rights were priced at TL 0.38 a share against a TL 0.01 nominal value, a roughly 38-times premium set by an independent valuer, DRT Kurumsal Finans Danismanlik Hizmetleri, rather than by Koc Holding itself. That detail matters for a family-controlled group buying out its own subsidiary: an outside valuation is the standard defence against a later claim that a controlling shareholder priced a capital call to squeeze out smaller holders.

A capital increase where the largest shareholder absorbs whatever the rest leave unclaimed is a common, unremarkable mechanic in Turkish corporate law, and it is not itself a takeover bid. RMK Marine remains a private company with outside shareholders still holding roughly 11.6 percent, and nothing in the filing compels them to sell. What it does do is quietly and cheaply raise the controlling stake every time a minority holder chooses not to write a cheque, which over several such rounds is how a group tends toward full ownership without ever making a formal offer for the rest.

A classic white motor yacht and a modern dark-hulled superyacht berthed side by side in Canary Wharf, London
A classic white motor yacht and a modern dark-hulled superyacht berthed side by side in Canary Wharf, LondonPhoto: Ank Kumar / Wikimedia Commons (CC BY-SA 4.0)

Why is Koc Holding consolidating RMK Marine now?

The timing lines up with RMK Marine's largest capital project in years: a 70,000-square-metre yacht-only shipyard rising on the waterfront at Yalova, across the Sea of Marmara from the group's century-old Tuzla site, which broke ground in February 2026 and is due to take over yacht production from the fourth quarter of the year.

The Yalova campus is built around three 30 by 120-metre new-build hangars, a further two hangars for refit work, 700 metres of quay, two travel lifts rated to 720 and 320 tonnes, and a floating dock able to take vessels to 150 metres. Once it opens, Tuzla stops building yachts altogether and reverts to RMK Marine's original business of commercial and military vessels up to 196 metres and 28,000 deadweight tonnes, a split the company frames as letting each site develop its own specialised production culture rather than sharing a yard between a frigate and a superyacht.

RMK Yachts director Cuneyt Okcu described the plan in February as a bet that the value of a yard sits in the people it employs rather than the sheds they work in: 'The true value of a shipyard is not defined by its machinery, but by the intellect, craftsmanship and creativity it produces.' RMK Marine chief executive Utku Alanc framed the split as a scaling move rather than a defensive one: 'our goal is not only to expand capacity but also to establish deeply rooted and highly specialised production cultures in each field.' Neither executive has commented on this week's capital increase specifically.

The motor yacht Lilian, built and launched in Stockholm in 1916, arriving in Vastervik escorted by small boats
The motor yacht Lilian, built and launched in Stockholm in 1916, arriving in Vastervik escorted by small boatsPhoto: Sinikka Halme / Wikimedia Commons (CC BY-SA 4.0)

Does Koc Holding's cash injection actually fund the Yalova shipyard?

Neither Koc Holding nor RMK Marine has stated that the TL 2.698 billion is earmarked for the Yalova build; the general-meeting disclosure describes only the ownership mechanic, and the calendar overlap between the two events is the only link a reader can draw.

Public filings of this kind in Turkey typically disclose the mechanism of a capital increase - who paid what, at what price, on whose valuation - without stating what the company plans to do with the proceeds. RMK Marine's is no exception. It is entirely possible the money is destined for site works, hangar fit-out or the travel lifts at Yalova; it is equally possible it simply strengthens the balance sheet or clears older obligations, and the filing does not say which.

What the timing does support is a more general point: a capital-heavy relocation is an awkward moment to be answering to shareholders who might balk at spending, and a controlling parent that already owns 88 percent of the company it is asking to fund a new yard faces a much shorter conversation than one asking outside investors to underwrite the same bet. That is a plausible reason for Koc to want more of the company right now, not a documented one, and the two should not be conflated.

The custom-built motor yacht Arumaaz lying at anchor on deep blue water in the Maldives
The custom-built motor yacht Arumaaz lying at anchor on deep blue water in the MaldivesPhoto: DD from Male, Maldives / Wikimedia Commons (CC BY-SA 2.0)

What does this mean for a buyer with an RMK Yachts order?

For an owner with a Livia hull on order, or one weighing Fraser and Moravia's new brokerage tie to the range this desk covered on 19 August, the update is reassurance on paper more than a guarantee: a parent that now owns 88.4 percent of the yard has more capital committed to it and less outside oversight of how that capital gets spent.

A yard mid-relocation carries real delivery risk that has nothing to do with who owns its shares: workforce continuity as staff move from Tuzla to Yalova, new-hangar commissioning delays, and the ordinary friction of standing up 70,000 square metres of waterfront from scratch. A financially fortified parent is better placed to absorb a schedule slip than a thinly capitalised one, which is the practical case for an owner reading this as good news rather than mere corporate housekeeping.

Set against that, RMK Yachts itself has said nothing this week connecting the capital raise to owner-facing commitments - no statement on delivery dates for Livia hulls, no confirmation the Yalova hangars will be ready before existing contracts require them. This desk's 21 August story on the three Livia lifestyle variants and the 19 August report of Fraser and Moravia's sales tie-up both stand unchanged; this stake increase is upstream of both, a shareholder-register event rather than a product one, and buyers should read it as background, not as news about their own hull.

The 52-metre Amels motor yacht Deniki at the dock in Juneau, Alaska, seen from her stern quarter
The 52-metre Amels motor yacht Deniki at the dock in Juneau, Alaska, seen from her stern quarterPhoto: gillfoto / Wikimedia Commons (CC BY-SA 4.0)
Superyachts moored beneath the towers of Canary Wharf in London, with the motor yacht Seanna in the foreground
Superyachts moored beneath the towers of Canary Wharf in London, with the motor yacht Seanna in the foregroundPhoto: Danesman1 / Wikimedia Commons (CC BY-SA 3.0)

Who still owns the remaining stake in RMK Marine?

RMK Marine's own disclosure confirms outside shareholders continue to hold the balance of the company - arithmetically just under 11.6 percent once Koc Holding's 88.37 percent is subtracted - but it does not name them or disclose how the stake is split among them.

That is not unusual for a Turkish family-group subsidiary of this size, but it is a genuine gap for anyone trying to judge how much independent oversight remains inside RMK Marine's boardroom. A shareholder who declined to fund this round was diluted by it, a standard consequence of a rights issue that non-participants accept when they choose not to write the cheque; it does not, on its own, tell an outside reader whether those remaining holders are family members, employees, financial investors, or some mix of the three.

The things worth watching from here are concrete and dated: whether the Yalova relocation stays on its stated fourth-quarter 2026 start and 2027 full-capacity target, whether Koc Holding runs a further capital increase that pushes its stake past 90 percent, and whether RMK Yachts eventually ties any of this to a public statement about delivery schedules for owners already under contract. None of that has happened yet; this week's filing is a capital-structure update, not a yard-readiness one.

What is good, and what to watch

Strong points

  • Independently valuedThe rights price was set by outside valuer DRT Kurumsal Finans, not by Koc Holding itself, which is the standard defence against a squeeze-out claim.
  • Timed to the heaviest capex phaseThe raise lands exactly as RMK Marine funds its biggest single project in years, the Yalova campus, when a controlling parent's deeper pockets matter most.
  • Simplifies a two-site splitA near-90-percent parent can move faster on relocation decisions than one that must build consensus with outside holders on every spending call.

What to watch

  • No documented link to YalovaNeither company has stated the proceeds fund the new yard; the connection is timing, not disclosure.
  • Minority holders dilutedShareholders who did not exercise their rights saw their stake shrink further, with no public detail on who they are or how much they collectively hold.
  • Nothing said to ownersRMK Yachts has issued no statement tying this capital event to delivery schedules or warranty backing for hulls already under contract.

Practical detail

Koc Holding Raises RMK Marine Stake to 88.4pc, Mid-Yalova Build
Stake before / after83.73pc to 88.37pc
Cash paid by Koc HoldingTL 2.698 billion
Rights price / nominal valueTL 0.38 per share / TL 0.01 nominal
Paid-in capital before / afterTL 177.8 million to TL 248.8 million
Independent valuerDRT Kurumsal Finans Danismanlik Hizmetleri
EGM approval date31 July 2026
Yalova site size70,000 sqm waterfront, 700m quay
Yalova lift capacity720-tonne and 320-tonne travel lifts, floating dock to 150m
Yalova timelineRelocation from Q4 2026, full capacity 2027
What is not publishedWhether the capital raise is earmarked for Yalova, and the identity of the remaining ~11.6pc of shareholders

Questions this story answers

What happened?

Koc Holding has spent TL 2.698 billion buying out unclaimed rights in RMK Marine, lifting its stake in the Turkish shipbuilder from 83.73 percent to 88.37 percent weeks after the group broke ground on a dedicated 70,000-square-metre yacht campus in Yalova. An owner with an RMK Yachts hull on order, or weighing one, gets a fuller picture of who now stands behind the yard through a relocation that runs into 2027.

What is good about it?

Independently valued. The rights price was set by outside valuer DRT Kurumsal Finans, not by Koc Holding itself, which is the standard defence against a squeeze-out claim.

What should an owner or buyer watch?

No documented link to Yalova. Neither company has stated the proceeds fund the new yard; the connection is timing, not disclosure.

Who reported this?

SuperYacht Times, Ekonomim, TipRanks, Marine Industry News.

Reported from primary sources: SuperYacht Times, Ekonomim, TipRanks, Marine Industry News.
Yotters DeskEditor-in-Chief: Leon SolimanEditorial standards

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