Grade: B — Generally Healthy, Minor Concerns
Framework: Schilit *Financial Shenanigans* + Beneish M-Score + forensic accounting principles
Data: SEC EDGAR 10-K (Filed 2026-02-25, FY ended December 31, 2025) + Yahoo Finance
Auditor: Ernst & Young LLP — Unqualified opinion
**Note on REIT grading**: Traditional Cash-vs-Debt metrics penalize all REITs because leverage secured by real estate is structural, not distressed. Grade adjusted accordingly.
One-line verdict: Simon Property Group, the largest mall REIT in the world, delivered a spectacular FY2025 with net income of $4.63 billion — nearly double FY2024's $2.37 billion — driven by a $2.89 billion gain on acquisition of controlling interest, sale, or disposal of assets. Strip out that gain and the underlying business is stable but not growing fast: FFO per diluted share declined 5.0% to $12.34 from $12.99. Real estate FFO per share rose 4.2% to $12.73. The M-Score of -2.24 barely passes the -2.22 threshold, elevated by the AR growth, asset gains, and CapEx expansion. Leverage at 3.7x Debt/EBITDA is healthy for a REIT of this scale, and the intangible asset spike of 203% appears related to the asset transactions that generated the large gains. This is a company whose underlying real estate operations are solid, but whose headline earnings are inflated by one-time gains.
| Metric | Result |
|---|---|
| Red Flags | **0** |
| Watch Items | **3** (AR growth, CapEx surge, intangibles surge 203%) |
| Checks Completed | **16/18** (2 N/A: soft assets, impairment) |
| Beneish M-Score | **-2.24** (barely passes; threshold is -2.22) |
| Auditor | Ernst & Young LLP — Unqualified opinion |
The World's Largest Mall REIT
Simon Property Group owns, develops, and manages premier shopping, dining, entertainment, and mixed-use destinations globally. Per the 10-K, the company's properties include malls, Premium Outlets, The Mills, and international properties through joint ventures including Kleppierre (a European REIT).
The filing reports revenue of $6.36 billion in FY2025, comprising lease income ($5.84 billion), management fees ($144.4 million), and other income ($380.9 million).
FFO: Headline Noise, Stable Core
| Metric | FY2023 | FY2024 | FY2025 | Trend |
|---|---|---|---|---|
| Net Income | $2,283M | $2,371M | $4,628M | +95.2% (gains) |
| Diluted EPS | $6.98 | $7.26 | $14.17 | +95.2% |
| FFO (OP) | $4,686M | $4,877M | $4,663M | -4.4% |
| FFO per diluted share | $12.51 | $12.99 | $12.34 | -5.0% |
| Real Estate FFO | $4,409M | $4,597M | $4,812M | +4.7% |
| Real Estate FFO per share | — | — | $12.73 | +4.2% |
Per the filing, "Diluted net income per share to diluted FFO per share reconciliation" shows that the $14.17 diluted EPS includes $7.64 per share in gains on asset sales/acquisitions — these are one-time items excluded from FFO.
FFO per share of $12.34 represents a 5.0% decline from $12.99 in FY2024. The decline was driven by: (1) higher depreciation and amortization from consolidated properties, (2) increased interest expense, and (3) losses on equity interest revaluations ($0.18 per share vs a $1.03 gain in FY2024).
Real Estate FFO — which strips out the impact of other platform investments, equity interest disposals, and unrealized fair value changes — grew 4.7% to $4.81 billion. This is the cleanest measure of SPG's operating performance.
Cash Flow
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Operating Cash Flow | $3,931M | $3,815M | $4,137M |
| Net Income | $2,283M | $2,371M | $4,628M |
| CFFO / Net Income | 1.72x | 1.61x | 0.89x |
| CapEx | $793M | $756M | $935M |
| Free Cash Flow | $3,138M | $3,059M | $3,202M |
| Accruals Ratio | — | — | 1.2% |
CFFO/NI dropped to 0.89x in FY2025 — this is because net income was inflated by $2.89 billion in non-cash asset gains. On a normalized basis, operating cash flow of $4.14 billion grew 8.4% and substantially exceeds the underlying operating income. The accruals ratio of 1.2% is low.
The 18-Point Screening
Revenue Quality
| # | Check | Result | Detail |
|---|---|---|---|
| A1 | DSO Change | Pass | DSO 54 days, +5 days YoY |
| A2 | AR vs Revenue Growth | Watch | AR +17.3% vs revenue +6.7% |
| A3 | Revenue vs CFFO | Pass | Revenue +6.7%, CFFO +8.4% |
A2: AR grew 17.3% while revenue grew 6.7%. DSO expanded from 49 to 54 days. For a mall REIT, receivables include tenant recovery billings that can be lumpy around year-end. This is worth monitoring but not alarming at this level.
Expense Quality
| # | Check | Result | Detail |
|---|---|---|---|
| B1 | Inventory vs COGS | Pass | No material inventory |
| B2 | CapEx vs Revenue | Watch | CapEx +23.7% vs revenue +6.7% |
| B3 | SG&A Ratio | Pass | SG&A/Gross Profit = 4.2%, excellent |
| B4 | Gross Margin | Pass | 81.9%, -0.6pp, stable |
B2: CapEx increased to $935 million from $756 million. Per the filing, SPG reports "development, royalty, and other fee income" from international joint ventures and active development activity. Higher CapEx relative to revenue suggests the company is investing in redevelopment and new development — value-creating spend, not maintenance overruns.
Cash Flow Quality
| # | Check | Result | Detail |
|---|---|---|---|
| C1 | CFFO vs Net Income | Pass | CFFO/NI = 0.89x (distorted by non-cash gains) |
| C2 | Free Cash Flow | Pass | FCF $3.2B, FCF/NI = 0.69x |
| C3 | Accruals Ratio | Pass | 1.2%, low |
| C4 | Cash vs Debt | **REIT Context** | Cash $823M vs debt $29.2B — structural leverage |
Balance Sheet
| # | Check | Result | Detail |
|---|---|---|---|
| D1 | Goodwill + Intangibles | Pass | $69M = 1% of equity |
| D2 | Leverage | Pass | Debt/EBITDA = 3.7x, interest coverage 3.3x |
| D3 | Soft Asset Growth | — | Insufficient data |
| D4 | Asset Impairment | — | No write-off data |
Acquisition Risk
| # | Check | Result | Detail |
|---|---|---|---|
| E1 | Serial Acquirer FCF | Pass | FCF after acquisitions positive |
| E2 | Goodwill Surge | Watch | Goodwill+Intangibles surged 203% YoY |
E2: The 203% surge in goodwill+intangibles is concerning on its face, but in absolute terms the amounts are small ($69 million total) relative to SPG's $34+ billion asset base. This likely relates to acquired lease intangibles from recent property acquisitions.
Manipulation Score
| # | Check | Result | Detail |
|---|---|---|---|
| F1 | Beneish M-Score | Pass | -2.24 (threshold -2.22) — barely passes |
The M-Score of -2.24 is only 0.02 above the manipulation threshold. The components driving it closest: DEPI 1.075 (depreciation slowing relative to assets — suggesting potential under-depreciation), SGAI 1.073 (SG&A growth outpacing revenue), and TATA 0.012 (positive total accruals). None of these are alarming individually, but the aggregate puts SPG right on the edge.
Key Risks from the 10-K
1. Concentration of Gains in FY2025 Earnings
The $2.89 billion "gain on acquisition of controlling interest, sale or disposal of, or recovery on, assets and interests in unconsolidated entities and impairment, net" is the single largest line item driving FY2025 net income. Per the filing, this includes gains from disposal of properties and equity interests. These are non-recurring — FY2026 will not replicate this. Investors should focus on Real Estate FFO per share ($12.73) rather than EPS ($14.17).
2. Related Party Transactions
The filing discloses that Simon manages two shopping centers owned by entities in which CEO David Simon and his family have ownership interests, for which Simon received $4.7 million in fees. Additionally, Simon provides services to MSA (Melvin Simon & Associates), a related party, for $0.8 million. While small relative to revenues, ongoing related-party transactions require governance scrutiny.
3. $29.2 Billion in Debt
SPG carries $29.2 billion in total consolidated debt — the largest absolute debt load in the REIT universe. Debt/EBITDA of 3.7x is reasonable, but the absolute magnitude means even small changes in interest rates or refinancing conditions can move tens of millions in interest expense. The filing discloses interest expense of $974.8 million in FY2025.
4. Mall Traffic Secular Trends
SPG's premium mall portfolio has proven resilient to e-commerce disruption, but the filing acknowledges competition from "internet-based businesses." The company's shift toward mixed-use redevelopment (adding residential, office, and entertainment components) reflects a strategic response to changing consumer behavior.
Summary
Grade: B. Clean underlying operations, massive non-recurring gains inflate headline earnings.
Simon Property Group's real estate operations are solid: Real Estate FFO grew 4.7%, operating cash flow rose 8.4%, and leverage at 3.7x is conservative. The M-Score of -2.24 barely passes, driven by the unusual asset gains and CapEx expansion rather than operating manipulation. Gross margins above 81% demonstrate the pricing power of premium retail real estate.
The key analytical takeaway: strip out the $2.89 billion in non-recurring gains, and FY2025 was a year of modest growth at the operating level. FFO per share actually declined 5.0%. Investors should use Real Estate FFO per share ($12.73, +4.2%) as the core performance metric.
**Disclaimer**: This report is based on Simon Property Group's FY2025 10-K filed with SEC EDGAR on February 25, 2026. This is NOT investment advice.
Data: SEC EDGAR 10-K + Yahoo Finance
Auditor: Ernst & Young LLP (Unqualified opinion)
Fiscal year ended: December 31, 2025