SYNOPSYS INC (SNPS) stock intrinsic value fair value estimate & owner earnings analysis

WHAT THE BUSINESS IS. Synopsys sells the software that engineers use to design and verify computer chips, licenses ready-made circuit blocks (interface and processor designs) that customers drop into their own chips, and - since buying Ansys on July 17, 2025 - sells engineering simulation software used to model physics, fluids, structures and electronics in everything from aircraft to phones. Chip design software is effectively a three-company industry (Synopsys, Cadence and Siemens), customers sign multi-year contracts, and the company carried $10.9 billion of contracted but not-yet-recognized revenue at July 31, 2026, about a year and a half of sales. Revenue was $7.05 billion in the year to October 2025 and $7.16 billion in the first nine months of the 2026 year, which now includes a full period of Ansys. HOW WE MEASURE EARNINGS. We start from operating cash flow, strip out swings in working capital, charge the cost of paying employees in stock as a real expense, and subtract only the capital spending needed to maintain the business. On that basis owner earnings per share rose from $2.58 in 2016 to $7.31 in 2022, $7.90 in 2023 and $7.77 in 2024, then fell to $5.98 in 2025. The 2025 drop is almost entirely the new interest bill: interest paid jumped from under $1 million to $354 million after the Ansys borrowing. Before paying lenders, the business produced $8.11 a share in 2025, up about 4% from 2024 even though only three and a half months of Ansys were included. We also excluded a one-time $122 million payment to close out an interest-rate hedge on the acquisition notes, because it is a financing cost of the deal, not a cost of running the business. Stock-based pay is the largest single item between cash flow and owner earnings - it rose from $98 million in 2016 to $893 million in 2025 and is running near $950 million a year in 2026 - and we deduct every dollar of it. THE STARTING LEVEL. Because Ansys changed the company, the older years describe a different, smaller business, so we did not take a median of the whole record. In the first nine months of the 2026 year, cash before lenders ran at roughly $2.4-2.5 billion annualized, but that figure is flattered by a new US tax rule that lets companies expense domestic research costs immediately from 2026, which temporarily lowers cash taxes. Adding Synopsys's own pre-deal level (about $1.2 billion in 2023-2024) to what Ansys earned independently gives roughly $1.8-2.0 billion. We use $2.2 billion of annual cash before lenders (about $11.40 a share on 192 million diluted shares) as the starting point - above the pre-deal sum because both businesses grew and the contract backlog grew from $8.1 billion to $10.9 billion, below the current run rate because of the tax tailwind. The last full year's per-share growth before lenders was about 4%; the base case starts year one at 2%, below that. AMORTIZATION. About $620 million a year of non-cash amortization of the purchased Ansys and other assets sits between cash flow and reported profit, which is why reported earnings per share were only $0.43 in the first half of 2026 while cash flow was strong. That amortization is added back automatically. The real economic question is whether the bought technology decays; we judge that it does not decay without replacement here, because both companies have renewed their product lines through their own research for decades, but that judgement is why the base case grows well below the company's own history. DEBT. At July 31, 2026 the company owed $10.04 billion: six series of fixed-rate notes totalling $10 billion maturing between April 2027 ($1 billion at 4.55%) and 2055 ($2.1 billion at 5.70%), with the term loans largely repaid ahead of schedule from cash flow and the sale of non-core units. It held $3.6 billion of cash, of which we treat about $0.5 billion as needed to run the business. Because the notes carry fixed rates of 4.55-5.70%, below the rate we use to value the business, the debt is somewhat cheaper to owners than its face value; we credit about $0.4 billion for that. Net debt deducted is about $6.5 billion, or roughly $34 a share. Interest runs near $560 million a year against business cash flow of over $2 billion, the loan covenants were met, and buybacks remain suspended until debt comes down, though $563 million of repurchases resumed in fiscal 2026. BASE CASE ($254 a share). Cash before lenders grows 2% in year one and 4% in year two as the Ansys integration and divestitures settle, then 6% a year through year ten, reaching about $3.7 billion, and holds flat thereafter. The 6% is credited because it is well below the demonstrated record - revenue compounded at roughly 12% a year from 2015 to 2024 through the 2020 shutdown and the 2022-2023 chip-inventory correction - and rests on contracted backlog and annual contract renewals rather than new markets. The business is worth about $55.4 billion; less $6.5 billion owed, about $48.9 billion for shareholders. BEAR CASE ($151 a share). China was $814 million, 11.5% of 2025 revenue, down from $990 million the year before, and in mid-2025 the US government imposed and then withdrew export licensing on design software to China within weeks. The bear case assumes that restriction returns and coincides with a chip-industry downturn of the 2008-2009 kind, when design-software revenue at the industry's weakest major player fell by roughly a quarter: cash before lenders falls 10% in year one and a further 15% in year two to about $1.7 billion, stays there a year, recovers 8% a year for two years and then grows only 3%. Interest is still covered about three times at the trough, so the debt does not force dilution. The business is worth about $35.6 billion; less $6.5 billion owed, about $29.1 billion for shareholders. BULL CASE ($320 a share). Cash before lenders grows 7% in year one and 8% a year after that - still below the company's own ten-year rate - as the combined design-and-simulation product line is sold into the existing customer base under contracts already signed, reaching about $4.7 billion in year ten. The business is worth about $68.0 billion; less $6.5 billion owed, about $61.5 billion for shareholders. Growth from new markets such as AI-driven design tools is not credited in any case because it has not yet shown up in a measurable, repeatable way. CHANGE SINCE OUR PREVIOUS ANALYSIS. The previous figures were built on a different basis and are not comparable. What has changed in the business since then: the third quarter of 2026 confirmed that the combined company produces over $2 billion a year of cash before lenders, $3.5 billion of acquisition debt was repaid faster than scheduled, and the sale of the optical design unit closed. MARGIN OF SAFETY PRICE ($120). We are reasonably confident in the earnings level: the business is subscription-based, the backlog covers about 18 months of sales, and three quarters of combined results are now in hand, though the first full post-deal year has not been reported and the 2026 cash figures carry a temporary tax benefit. The worst plausible outcome is a lasting loss of China combined with a severe chip downturn and a failed integration that forces write-downs of what was bought; the structure would survive it - the debt is long-dated fixed-rate notes with no maturity above $2.4 billion in any year, and the customer base is spread across hundreds of chip companies - but owners would earn little for several years. The things we are most likely to be wrong about are the size of the tax tailwind in the current run rate, how fast stock-based pay keeps rising, and whether Ansys keeps growing inside Synopsys; if all three go against us the shares are worth roughly $170. The company pays no dividend and buybacks are limited while debt is reduced, so any return must come from the business growing into its price. From $120, reaching the base value of about $254 in roughly four years implies a 20% annual return, and even the bear case at $151 lies above that price, which is why we set the margin of safety price there.