WILLIS LEASE FINANCE CORP (WLFC): what the price assumes

In the published model solve dated 2026-Q2, anchored at $65.03, WILLIS LEASE FINANCE CORP (WLFC) is priced for +12.9% growth. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-06-28.

Generated: 2026-08-10 · Exported: 2026-08-12 · Source: https://boothcheck.com/report/WLFC

Headline

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

The operating-margin figure is value-band context at year 5: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

Solve inputs: computed at a 7% cost of capital with 4% terminal growth over a 5-year stage; each 1pp of cost of capital moves the implied operating-profit growth ~9.6pp (computed at the 7% minimum rate; the CAPM rate 5.6% sits below it).

Reconcile: at the x-ray's 9.3% required return this reads ~6.7 years; the models below use their own rates.

How unusual the bet is: elevated

Valuation X-Ray

The price is supported by asset-based and earnings-power and relative-multiple and growth-DCF value. A value/asset-supported name, not a pure growth bet.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

Families that justify the price: Asset, Earnings, Relative, Growth

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 2.4%); the inversion above states its own rate.

Per-Model Detail (n=14)

Economic-Unit Decomposition (Sum Of The Parts)

One or more material disclosed units has unresolved economics. Unknown/general is not evidence of homogeneity: segment SOTP is primary but incomplete, consolidated cash flow may remain only a secondary cross-check when every unit shares an enterprise basis, and one sector multiple or target margin is withheld.

No total common-equity value is stated. One or more material units lack a supported unit value. The displayed values are an indicative subtotal; consolidated debt and cash cannot be applied to a fraction of the company.

Solvency

Bullet Takeaways

• Q1 2026 set records across the franchise: revenue up 23.2 percent to 194.3 million dollars, diluted EPS up 47.5 percent to 3.26 dollars, record lease rent of 77.4 million dollars, and portfolio utilization of 85.8 percent, driven by airlines leasing spare engines amid new-engine shortages.
• The model is heavily leveraged, roughly 3.95 times debt-to-equity with about 2.7 billion dollars of debt, but financed conservatively as fixed-rate, long-dated notes secured by the engines themselves (FY2025 10-K, accession 0001018164-26-000036).
• The price is asset-supported, clustering near a book value of 95.75 dollars per share and a 17.6 percent ROE, but it already embeds continued strong growth, so the bet is whether record utilization and lease rates persist as engine supply chains heal.

Bull Case

Start with the loudest objection, because it is also where the bull case is won. The obvious fear with Willis Lease is leverage: this is a balance-sheet-intensive lessor carrying roughly 2.7 billion dollars of debt against a far smaller equity base, and the instinctive reaction is that a leveraged aircraft-asset owner is fragile. The data undercuts that fear in two ways. First, the leverage is matched to the asset: the debt is term financing secured by the engines themselves, structured as fixed-rate notes with long maturities such as the WEST V series notes maturing in 2045 at rates well below current market, with one tranche at 3.23 percent (FY2025 10-K, accession 0001018164-26-000036). Locked-in, low fixed-rate, asset-backed debt against long-lived engines is the conservative way to run this model, not the reckless way. Second, the assets are throwing off record cash.

The first quarter of 2026 was a record across the franchise. Total revenue rose 23.2 percent to 194.3 million dollars, income from operations rose 41.4 percent to 33.8 million dollars, and diluted EPS jumped 47.5 percent to 3.26 dollars, well ahead of the 2.90-dollar expectation. The core engine-leasing engine set records: lease rent revenue of 77.4 million dollars, up 14.2 percent, maintenance-services revenue of 9.8 million dollars, up nearly 75 percent, and portfolio utilization of 85.8 percent. Adjusted EBITDA reached 123.8 million dollars. These are not the numbers of a stressed balance sheet; they are the numbers of an asset base in heavy demand.

The demand is structural. Airlines facing new-engine shortages and long shop-visit queues increasingly lease spare engines rather than ground aircraft, and Willis owns a large, in-demand portfolio of exactly those engines plus the parts and maintenance capability to keep them flying. Return on equity runs near 17.6 percent against a cost of equity around 9 percent, so each retained dollar earns well above its required return, and book value per share near 95.75 dollars compounds at high-single-digit rates. The valuation reads as asset-supported: the relative-multiple, asset, and residual-income frames all cluster around or above the price. This is a value-and-asset name with a record-setting cash engine, not a speculative growth bet, and the asset floor plus the earnings momentum is the case.

Bear Case

The structural fragility a bull dismisses is real, and it lives in the capital structure. Willis Lease runs at roughly 3.95 times debt-to-equity, with about 2.7 billion dollars of total debt against an asset base near 3.3 billion dollars. The business model is to borrow against engines and earn a spread on leasing them, which works beautifully while utilization is high and credit is cheap, and works very badly when either reverses. The debt is a stack of secured term notes, including the WEST V series secured by engines and maturing decades out (FY2025 10-K, accession 0001018164-26-000036), and while the existing tranches are fixed and low, the model is perpetually refinancing and adding new facilities to fund portfolio growth. Every new dollar of engines is a new dollar of debt at whatever rate the market offers, so a higher-for-longer environment slowly compresses the spread that is the entire business.

The second fragility is cyclicality dressed as a record. The current strength is partly a function of an unusual moment: new-engine production shortfalls and clogged maintenance shops have pushed airlines toward leasing spares, lifting utilization to 85.8 percent and driving the maintenance-services line up nearly 75 percent. That is a supply-chain dislocation, and supply chains heal. When OEM engine deliveries normalize and shop-visit queues clear, the scarcity premium on leased spare engines fades, utilization slips, and the lease-rate momentum that produced a 47 percent EPS jump reverses. A leveraged lessor with high fixed costs and a fading top line is exactly the structure that turns a good year into a painful one.

The third concern is what leverage does to the downside. Free cash flow swung from roughly negative 287 million dollars in late 2024 to modestly positive in early 2025, a reminder that this business consumes enormous cash when it is buying engines and that the cash profile is lumpy. Conflicting debt disclosures and the sheer size of the obligations relative to equity raise refinancing and covenant risk in any credit-sensitive period. The valuation already reflects much of the good news: the price sits in the elevated band, the earnings-power frame that strips out growth reads the stock as very expensive, and a recent analyst downgrade to Hold signals the easy re-rating has happened. If the aviation cycle or the credit cycle turns, the equity, sitting beneath 2.7 billion dollars of debt, absorbs the first and largest hit.

Valuation

Willis Lease is best understood as an asset-backed compounder, and its valuation X-ray reflects that the value sits in the balance sheet and the spread it earns, not in a forward-growth story. The asset family is the anchor and lands near the price: simple excess return around 182 dollars, two-stage excess return and residual income near 247 dollars on a book value per share of 95.75 dollars and a trailing ROE of 17.6 percent, and the Graham conservative floor near 188 dollars. The relative-valuation read, at a sector P/E near 18 times, lands around 219 dollars, just above the price. So on asset and peer-multiple bases the stock is reasonable to modestly cheap. The growth-DCF and exit-multiple reads land far higher because they extrapolate the recent 26 percent revenue growth, which is the optimistic case.

The earnings-power frame is the dissent, and it is worth understanding why. Capitalizing normalized EBIT with no growth produces a near-zero value, because for a leveraged lessor the normalized operating income net of the cost of carrying the debt is thin; the model is built to earn a spread over time, not a fat unlevered margin in any single year. That is why the engine characterizes the name as asset-supported with earnings-power dissenting, rather than a clean buy. Inverting the price puts the implied company-wide operating growth at roughly 23 percent a year for five years, which is high and reliant on the current cycle persisting; each one-percentage-point change in the cost of capital moves that implied growth by about 11 points, so the solve is quite sensitive and should be read directionally.

The synthesis is that the price is supported by the asset base and a peer multiple but already embeds continued strong growth, which is itself the product of a supply-chain dislocation. An investor is paying close to asset value for a high-return engine portfolio, which is defensible, but is also implicitly underwriting that record utilization and lease rates persist. The asset floor near book value limits the downside in an orderly market; the leverage amplifies it in a disorderly one. The valuation works if the aviation upcycle has legs and is rich if it does not.

Catalysts

The dominant catalyst is the durability of the aviation supply-chain dislocation that is driving the records. Utilization at 85.8 percent and lease-rate strength rest on new-engine production shortfalls and clogged maintenance shops pushing airlines to lease spares, so the data points to watch each quarter are utilization, lease rent per engine, and the maintenance-services line that grew nearly 75 percent. Continued strength signals the upcycle has legs; any softening in utilization or lease rates would be the first sign the scarcity premium is fading as OEM deliveries normalize.

The second catalyst is the financing cadence. As a lessor that funds portfolio growth with secured term debt, Willis is continually refinancing and adding facilities, so any new note issuance, the rate it carries, and covenant headroom are direct signals about the spread the business can earn going forward. The quarterly dividend, set at 0.40 dollars per share for early 2026, and any buyback activity show how management balances capital return against the cash needs of buying engines. The May 2026 analyst downgrade to Hold is a sentiment marker worth noting: the easy re-rating may be behind the stock, so future gains likely depend on continued earnings delivery rather than multiple expansion.

Sources: Willis Lease Q1 2026 results show strong growth, stocktitan.net; Willis Lease Q1 2026 revenue surges 23 percent, EPS jumps 48 percent, investing.com; WLFC reports record quarterly lease rent revenue in Q1 2026, avitrader.com; Willis Lease Finance analyst ratings, benzinga.com.

Peer Cohorts (Per Segment, With Filing Citations)

Leasing and Related Operations (reported)

• AER (AerCap Holdings N.V.)
• (no filing in the citation store)
• FTAI (FTAI AVIATION LTD.)
• FY2025 10-K: …usually shortly following the completion of the relevant work. The Company records the portion of maintenance payments paid by the lessee that are expected to be reimbursed as maintenance deposit liabilities in the Consolidated Balance Sheets. Reimbursements made to the lessee upon the receipt of evidence of…
• FY2025 10-K: …The principal component of the lease payment is reflected as a reduction to the net investment in finance leases. Revenue is not recognized when collection is not reasonably assured. When collectability is not reasonably assured, the lessee is placed on non-accrual status and revenue is recognized when cash payments…
• GATX (GATX CORP)
• FY2025 10-K: …amounts related to maintenance, insurance, and ad valorem taxes. We do not offer stand-alone maintenance service contracts. Operating lease revenue is within the scope of Topic 842, and we have elected not to separate non-lease components from the associated lease component for qualifying leases. Operating lease…
• FY2025 10-K: …in the statements of income. GATX as Lessee We lease assets, including railcars at North America, as well as other assets such as offices, maintenance facilities, and other general purpose equipment. Railcars are subleased to customers as part of our normal course of operations. Certain leases have options to…
• AIR (AAR CORP)
• FY2025 10-K: …semi-annual principal payments over the five-year term of the loan. Interest is payable semi-annually at SOFR plus 2.7 %. License Fees In June 2011, we entered into a ten-year agreement with Unison Industries ("Unison") to be the exclusive worldwide aftermarket distributor for Unison's electrical components, sensors,…
• FY2025 10-K: …and/or suppliers could result in liquidated damages or our customer terminating our contract for default. A termination for default could expose us to liability and adversely affect our financial performance and our ability to win new contract awards. 13 Table of Contents The success of our Repair & Engineering…

Spare Parts Sales (reported)

• AIR (AAR CORP)
• FY2025 10-K: …on opportunities in both the commercial and government markets. 2 Table of Contents Business Segments Parts Supply Our Parts Supply segment primarily consists of sales and leasing of USM and aftermarket distribution of new, original equipment manufacturers ("OEM") supplied replacement parts. The Parts Supply segment…
• FY2025 10-K: $ 533.4 ​ $ 546.9 ​ $ 91.8 Cost of sales ​ 644.3 ​ 438.1 ​ 461.2 ​ 76.8 Selling, general and administrative ​ ​ 79.9 ​ ​ 58.8 ​ ​ 55.2 ​ ​ 7.3 Other segment items ​ 0.5 ​ 1.2 ​ - ​ - Operating income ​ $ 93.7 ​ $ 35.3 ​ $ 30.5 ​ $ 7.7 ​ Selected financial information for each segment is as follows: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​…
• HEI (HEICO CORPORATION)
• FY2025 10-K: …are satisfied. The Company expects to recognize $ 1,358.7 million of this amount during fiscal 2026 and $ 748.9 million thereafter, of which more than half is expected to occur in fiscal 2027. 86 Index Disaggregation of Revenue The following table summarizes the Company's net sales by product line for each operating…
• FY2025 10-K: …and business aircraft, aircraft engines and related components and equipment. Due in large part to our established industry presence, we enjoy strong customer relations, name recognition and repeat business. We sell our products to a broad customer base consisting of domestic and foreign commercial and cargo…
• TDG (TransDigm Group Incorporated)
• FY2025 10-K: …in the generation, amplification, transmission and reception of microwave signals, and single and two-stage servo values. Primary customers of this segment are engine and power system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies and repair depots. Products are sold in…
• FY2025 10-K: …handling, delivery systems and electronic components used in the generation, amplification, transmission and reception of microwave signals. Primary customers of this segment are engine and power system and subsystem suppliers, airlines, third party maintenance suppliers, military buying agencies and repair depots.…
• FTAI (FTAI AVIATION LTD.)
• FY2025 10-K: …2025 false FY 0001590364 iso4217:USD xbrli:shares iso4217:USD xbrli:shares ftai:segment xbrli:pure utr:sqft ftai:aircraft ftai:vessel utr:Rate ftai:installment ftai:airframe ftai:shipping_contrainer 0001590364 2025-01-01 2025-12-31 0001590364 us-gaap:CommonClassAMember 2025-01-01 2025-12-31 0001590364…
• FY2025 10-K: …requires the Company to sell serviceable engines and modules and purchase unserviceable engines and modules from the SPVs when aircraft controlled by the SPVs need such serviceable engines and modules to fulfill their obligations under an aircraft lease. Under this agreement, the Company sells CFM56-5B, CFM56-7B and…

Methodology Note

• Priced-in inversion: the valuation is inverted on the current price to recover the operating-income growth, duration, and steady-state margin the price embeds (ROE for financials, FFO growth for REITs).
• Valuation x-ray: the valuation models, grouped into four families (asset, earnings, relative, growth). Each model is expressed as a price/FV ratio (distance from price), not a point fair-value estimate. The spread across families is the disagreement.
• Economic-unit decomposition (SOTP): each disclosed business unit is assigned its native valuation basis before any multiple is applied. Operating units are valued on enterprise value; funded financial units are valued on their own common equity, because their borrowings fund earning assets rather than levering the parent. A company total is stated only once every material unit carries a supported value and the parent capital bridge reconciles.
• Solvency: net cash/debt, net-debt-to-NOPAT, interest coverage, and share-count CAGR from EDGAR financials (net debt / FFO and fixed-charge coverage for REITs; regulatory-capital framing for financials).
• Peer cohorts: per-segment comparables with deep-linkable SEC filing citations.

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.