TRINET GROUP, INC. (TNET) stock intrinsic value fair value estimate & owner earnings analysis

TriNet is a professional employer organization (PEO): small and mid-size US businesses outsource payroll, HR, benefits and workers' compensation to TriNet, which becomes the co-employer of their staff ("worksite employees"). Most of the roughly $5.0 billion of reported revenue is health-insurance premiums and payroll-related amounts that pass through to carriers; what TriNet actually keeps is a service fee plus the margin on the insurance program it runs. Two things drive its earnings: how many worksite employees it serves (about 323,000 at the end of 2025, down 10% in a year after TriNet raised prices) and its insurance cost ratio (medical and other claims as a share of the insurance premiums it charges), which was 84% in 2023, 90% in 2024 and 91% in 2025. Each point of that ratio is worth roughly $40 million of pre-tax profit, which is why net income fell from $375 million in 2023 to $155 million in 2025. How we measured earnings. We start from operating cash flow, strip out short-term timing swings in working capital, and subtract stock-based compensation and the capital spending needed to maintain the platform. This update corrects our earlier measure: TriNet capitalizes the sales commissions it pays to win and keep clients, and books office rent through a lease liability, and our previous figures had treated both of those cash outflows as timing swings and left them out. They are recurring costs of running the business - roughly $40-75 million a year - so they are now charged in every year since 2018. On this corrected basis owner earnings were about $184 million in 2024 and $203 million in 2025 (about $3.68 and $4.14 per share), against a peak of $384 million in 2023. Because TriNet carries $900 million of bonds, we now value the business before its lenders and then subtract what it owes, rather than valuing the after-interest earnings and only discussing the debt. Adding back cash interest ($52 million in 2025), the business generated between $187 million (2019) and $409 million (2023) a year. We anchor on the median of 2019 and 2022-2025, about $255 million a year: a span that covers both the favorable 2022-2023 claims years and the unfavorable 2024-2025 years. We left out 2020 and 2021, when pandemic-era deferral of medical care flattered claims costs. In 2025 the business stream grew about 5% (owner earnings grew about 10%); our base case assumes 4% for the coming year, supported by the first half of 2026, when net income rose to $142 million from $122 million despite revenue falling 5%. One number we could not fully pin down: 2025 cash flow benefited from $45 million of deferred tax expense, part of which may reverse; that uncertainty is reflected in the bear case rather than in the starting level. What TriNet owes. At June 30, 2026 it had $500 million of 3.50% notes due March 2029 and $400 million of 7.125% notes due August 2031, nothing drawn on its $700 million revolving credit line, and $358 million of cash. We treat about $150 million of that cash as needed to run the business (TriNet funds corporate payroll and some client timing gaps from it), leaving about $208 million of excess cash. The cheap 2029 notes are worth about $28 million to shareholders over their remaining life versus a 6% cost, while the 2031 notes cost about $19 million more than 6%. Net debt therefore comes to about $683 million, or about $14.85 per share on 46 million diluted shares. Debt service is comfortable: interest runs about $46 million a year against a business stream of more than $200 million a year in every case over the next decade, and TriNet reported compliance with all its covenants. Bear case (about $46.79 per share): the claims pressure TriNet described in its 2025 annual report - higher prices for outpatient and professional services and more use of high-cost specialty drugs - keeps running ahead of its pricing, and continued repricing keeps driving client losses like the 10% drop in worksite employees seen in 2025. The business stream slides to about $210 million by 2028 and stays there through year ten, then shrinks about 3% a year as competition from payroll and HR software providers erodes the base. The 2029 notes are refinanced at about the 7.125% rate TriNet paid in 2023. The business is worth about $2.86 billion, it owes about $0.70 billion, leaving about $2.15 billion for shareholders. Base case (about $88.01 per share): recent pricing actions hold the insurance margin near today's level and the first-half 2026 improvement carries into a 4% gain next year. After that the business stream grows about 1% a year: fees and premiums that track client payrolls and medical costs rise each year, but we assume the worksite-employee base keeps losing some ground, so we credit only a small net gain. After year ten we hold earnings flat. We think that is defensible because TriNet has run this model for about three decades and replaces client turnover from its own sales force, but we credit no growth beyond that. The business is worth about $4.73 billion, it owes about $0.68 billion, leaving about $4.05 billion for shareholders. Bull case (about $108.26 per share): the repricing that lifted second-quarter 2026 net income to $53 million from $37 million keeps working, the insurance cost ratio moves back into the high 80s, between the 84% of 2023 and the 91% of 2025, and the worksite-employee base stops shrinking. The business stream rises to about $310 million by 2028 - still below the $390-409 million of 2022-2023, which benefited from a larger client base and unusually low claims - then grows about 2% a year with payroll and medical-cost-linked pricing through year ten, and holds flat after that. The business is worth about $5.66 billion, it owes about $0.68 billion, leaving about $4.98 billion for shareholders. What we did not credit: new-product or cross-sell growth (retirement, R&D tax-credit and other add-on services), a return to the 2023 claims ratio, and future share buybacks. Not one of these is secured or proven enough to model. TriNet also amortizes about $66 million a year of software and acquired customer relationships (including the Zenefits acquisition). That charge is added back, and the fading of acquired client relationships is carried in the cases through the shrinking worksite-employee base rather than subtracted again. A large share of each case's value comes from earnings beyond year ten (about 44% in the bear case and close to 60% in the base and bull cases), so the key assumption is that TriNet keeps its client base roughly intact for decades. A sustained decline in worksite employees, or an insurance cost ratio stuck above 91%, would prove the base case too high. Change since our previous analysis. Our estimates are lower than before (previously about $74 bear, $132 base and $173 bull). Most of the drop comes from charging the sales commissions and rent that were previously left out, which lowers the earnings starting point by about $1 per share a year, and from no longer assuming growth after year ten. Treating the debt explicitly changed the result only slightly: adding back the interest roughly offsets subtracting the net debt, and the low-rate 2029 notes help. Given insurance-cycle risk, modest leverage and a shrinking client base, the margin of safety is wide: the margin-of-safety price is around $58 per share, well above our bear-case value of about $47 and about a third below the base case.