GENUINE PARTS CO (GPC) stock intrinsic value fair value estimate & owner earnings analysis

Genuine Parts Company is a global distributor of replacement parts. Its Automotive business (NAPA Auto Parts in the United States and Canada, plus Alliance Automotive Group brands in Europe and Repco and NAPA in Australia and New Zealand) supplies repair shops and stores, and its Industrial business (Motion) supplies bearings, power transmission and other maintenance parts to factories. Sales were $24.3 billion in 2025 across more than 10,800 locations. Demand is largely driven by the need to repair and maintain things that already exist, which is why the business has been steady enough to raise its dividend for 69 consecutive years through 2025. On February 17, 2026 the company announced its intention to split into two public companies, Global Automotive and Global Industrial, targeted for the first quarter of 2027. Its annual report says the costs and lost efficiencies from the split are expected to be significant but does not put a number on them, so we neither credit benefits nor deduct a cost for it in the cases; how the roughly $5 billion of debt would be divided is also not yet known. How we measured earnings. We start from operating cash flow, remove swings in working capital (receivables, inventory, payables and lease and other balances), deduct stock compensation as a real cost, and deduct only the maintenance part of capital spending (spending needed to keep the business running, not spending to grow). Large non-cash items are treated as one-time and not part of ongoing earning power: a $742 million pension settlement, a $151 million reserve for amounts owed by First Brands (a supplier that filed for bankruptcy in September 2025) and a $103 million increase in the asbestos liability. In 2025 and 2024, net income plus depreciation and non-cash charges ties exactly to operating cash flow less the working-capital movement ($1,271 million and $1,339 million). Because the company borrows heavily, we then add back the interest it pays (cash interest was $191 million in 2025) to see what the operating business earns for owners and lenders together, value that, and subtract the debt once. Per diluted share, that pre-interest cash flow was $6.04 (2018), $4.44 (2019), $6.04 (2020), $7.49 (2021), $8.65 (2022), $8.94 (2023), $6.17 (2024) and $6.87 (2025). We use 2018 to 2025 (the median is $6.52) because earlier years include the office products business, since removed from the results, and because eight years covers the 2020 downturn, the 2022-2023 inflation boom and the softer 2024-2025 period. We used $6.50 as the starting level. Growth check: 2025 owner earnings per share rose 4.2% and the pre-interest measure rose 11.3%; our base case starts at $6.50, about 5% below the 2025 figure, so it assumes no repeat of the recent rise. First-half 2026 results (net income $416 million versus $449 million a year earlier; operating cash flow $464 million versus $169 million; capital spending $205 million versus $249 million) were used only to confirm that this level is reasonable, not to move it, because working-capital swings distort half-year cash flow. All cases are discounted at 6%. Base case: $85.60 per share. The business is worth about $120.01 per share (roughly $16.6 billion); it owes about $34.41 per share (roughly $4.75 billion); the difference is $85.60. Cash flow starts at $6.50 and grows 1.5% a year for ten years (reaching $7.43), then stays flat. The 1.5% is credited because the company has repeated the same process every year: it bought $284 million to $1.7 billion of businesses annually in 2021 through 2025 (over 250 locations in 2025, mostly independent NAPA stores), and pre-interest cash flow per share grew 1.9% a year from 2018 to 2025 and 2.6% a year from 2020 to 2025, both above what we assume. We do not credit market growth, share gains, margin recovery in Industrial, benefits from the split, or any growth after year ten. Flat cash flow after year ten is credited because parts wear out and need replacing, a demand that has persisted through every year in the record here. Bear case: $47.12 per share. The business is worth about $83.33 per share (roughly $11.5 billion); it owes about $36.22 per share (roughly $5.0 billion); the difference is $47.12. Cash flow is $5.00 per share with no growth, between the 2019 low of $4.44 and the $6.04 of 2018 and 2020, reflecting evidenced pressures: the First Brands failure showed a key supplier can stop paying rebates, the split carries costs the company itself calls significant, and asbestos claims required another $103 million charge in 2025 (the liability stands at $317 million). We also give no credit for the company's below-market interest rates. Debt maturities that matter: $250 million of 3.24% notes due November 30, 2026; a 250 million euro note at 1.81% and $120 million at 3.70% due October 30, 2027; $425 million at 6.50% due November 1, 2028; and $750 million at 4.95% due August 15, 2029. Even in this case the business earns about $690 million a year before interest against a cash interest bill of $191 million in 2025, so the debt can be carried. Bull case: $113.88 per share. The business is worth about $148.29 per share (roughly $20.5 billion); it owes about $34.41 per share (roughly $4.75 billion); the difference is $113.88. Cash flow starts at $7.50 (the median of 2021 to 2025) and grows 2.5% a year for ten years (reaching $9.37), then stays flat. The named lever is lower capital spending as the distribution-centre automation program winds down: spending fell from $567 million in 2024 to $470 million in 2025 and, in the first half of 2026, was $205 million versus $249 million. Debt. At June 30, 2026 the company had about $4.98 billion of borrowings (about $752 million short-term, including $683 million of commercial paper; $250 million current; and $3.98 billion long-term) plus about $18 million owed to outside holders of subsidiaries. Its fixed-rate notes carry coupons well below 6%, which is worth about $249 million; we include that benefit in the base and bull cases and exclude it in the bear case. We assume the $559 million of cash is needed to run the network and give no credit for it. The debt figure used the year-end 2025 note schedule for that adjustment; borrowings added since then are treated as costing 6%. Debt has risen from about $2.4 billion in 2021, so the equity cushion is thinner than the operating record suggests, which is why the cases are far apart in dollars per share. Change since our previous analysis. We previously estimated $9.12 (bear), $37.87 (base) and $90.73 (bull). All three are now higher, and that reflects a change in method rather than better news: we now value the operating business before interest and subtract the debt once, use a steady 6% discount rate instead of 8.5% to 11.5%, and measure earning power over eight years rather than two to five. Debt per share is also higher than before ($34 to $36 versus $26.60). The 2025 weakness in reported earnings was mostly the non-cash items described above. What would make this wrong. The split could cost or disrupt more than expected; another major supplier failure like First Brands; a sustained industrial downturn; asbestos claims above the $317 million reserve; or capital spending staying near $500 million a year, which would leave the base case too high. We could not put a figure on the split costs from the filings, and the 2016-2017 comparison years include the divested office products business, so they were left out of the earnings level.