Ilmor Engineering
“10-K Item 1: 'Ilmor Engineering, Inc. (“Ilmor”) is our exclusive engine supplier'”
Updated
The most significant concentration MasterCraft Boat Holdings discloses is Ilmor Engineering, classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.
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Source: MasterCraft Boat Holdings’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).
“10-K Item 1: 'Ilmor Engineering, Inc. (“Ilmor”) is our exclusive engine supplier'”
“10-K Item 1: 'we have partnered with Mercury to be the exclusive engine supplier'”
“10-K Item 1: 'the Company’s top ten dealers accounted for approximately 34% of our net sales and none of our dealers individually accounted for more than 10% of our total net sales'”
“10-K Item 1: 'We generated 11.4%, 14.0%, and 10.8% of our net sales internationally in fiscal 2025, 2024, and 2023, respectively.'”
MasterCraft's concentration risk is concentrated squarely in its supply chain, with more modest customer and geographic exposure. The company relies on Ilmor Engineering as its exclusive engine supplier, a high-share dependency, and has separately partnered with Mercury to be the exclusive engine supplier for another portion of its lineup — also a high-share dependency. Both are single-source relationships rather than structural features of the business, meaning a supply disruption, quality issue, or contract dispute with either engine partner could directly affect production, a materially different risk profile than a diversified multi-supplier engine strategy would carry. On the distribution side, the top ten dealers accounted for a medium-share 34% of net sales, though the company notes no single dealer individually accounted for more than 10% of total net sales — a dependency risk but one spread across enough dealers that no one relationship dominates. Geographically, international sales were a low-share 11.4% of net sales in fiscal 2025, versus 14.0% in fiscal 2024 and 10.8% in fiscal 2023. On net, the dual exclusive-engine-supplier dependencies are the exposures most capable of an idiosyncratic disruption, while dealer and geographic concentration look comparatively diversified.
For the engine’s reasoning on MCFT’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| HOG | Harley-Davidson, Inc. | 3 | 0 | 0 | 3 |
| MCFT● | MasterCraft Boat Holdings, Inc. | 2 | 1 | 1 | 4 |
| MBUU | Malibu Boats, Inc. | 1 | 2 | 1 | 4 |
| BC | Brunswick Corporation | 1 | 2 | 0 | 3 |
| LCII | LCI Industries | 1 | 1 | 2 | 4 |
| PATK | Patrick Industries, Inc. | 0 | 2 | 0 | 2 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.