Equinix vs Simon Property Group (EQIX vs SPG)
Side by side from their SEC filings: revenue, margins, growth, returns and valuation, plus short interest, insider activity and institutional ownership.
Equinix is the larger company by revenue ($9.2B vs $6.4B) and market value ($103.7B vs $83.4B). Equinix has grown revenue faster over the last 4 fiscal years (+38.9% cumulative vs +24.4%). Simon Property Group runs the higher operating margin (49.9% vs 20.0%). Simon Property Group trades at the lower trailing P/E (15.3x vs 72.4x).
About Equinix
Equinix Inc operates a global network of data centers called International Business Exchange (IBX) and xScale facilities, serving customers in the Americas, Asia-Pacific, and EMEA regions. The company provides colocation services, interconnection solutions, and digital infrastructure that enable enterprises, cloud providers, and network service providers to securely connect and manage their IT equipment and workloads. Equinix primarily serves businesses requiring scalable, reliable, and secure digital infrastructure to support cloud, AI, and hybrid IT environments.
About Simon Property Group
Simon Property Group Inc. operates as a real estate investment trust specializing in retail real estate. The company owns and manages shopping malls, premium outlet centers, and other retail properties across the United States. It serves retailers and consumers by providing commercial spaces for retail businesses.
Head to head (EQIX FY2025 vs SPG FY2025)
| Metric | EQIXFY2025 | SPGFY2025 |
|---|---|---|
| Revenue | $9.22B | $6.36B |
| Revenue growth (YoY) | 5.4% | 6.7% |
| Gross margin | 51.1% | — |
| Operating margin | 20.0% | 49.9% |
| Net margin | 14.6% | 84.3% |
| Net income | $1.35B | $5.36B |
| Diluted EPS | $13.76 | $14.17 |
| FCF margin | -4.3% | 50.3% |
| ROE | 9.5% | 82.9% |
| Debt / equity | — | 4.4× |
| Market cap | $103.67B | $83.40B |
| P/E (TTM) | 72.4× | 15.3× |
Fundamentals are from each company’s SEC filings (EQIX FY2025, SPG FY2025). P/E and market cap are derived from recent market prices and update daily.
Five-year trend (as reported)
| Revenue | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| EQIX | $6.64B | $7.26B | $8.19B | $8.75B | $9.22B |
| SPG | $5.12B | $5.29B | $5.66B | $5.96B | $6.36B |
Peer standing
Where each company ranks among the 165 REITs, on the same scale. Each figure is ranked only against peers that report it. Percentiles describe position in the distribution, not a rating.
| Metric | EQIX | SPG |
|---|---|---|
| Operating margin | 20.0%43rd percentile of 81 | 49.9%78th percentile of 81 |
| Net margin | 14.6%57th percentile of 156 | 84.3%99th percentile of 156 |
| FCF margin | -4.3%23rd percentile of 27 | 50.3%88th percentile of 27 |
| Revenue growth (YoY) | +5.4%61st percentile of 161 | +6.7%66th percentile of 161 |
| ROE | 9.5%80th percentile of 141 | 82.9%Highest of 141 |
| P/E (TTM) | 72.4×84th percentile of 108 | 15.3×13th percentile of 108 |
| Short interest (days to cover) | 2.27d26th percentile of 154 | 3.14d46th percentile of 154 |
Short interest
| FINRA settlement data | EQIX | SPG |
|---|---|---|
| Shares sold short | 1.8M | 10.8M |
| Change vs prior settlement | -6.2% | +17.0% |
| Days to cover | 2.27 | 3.14 |
| As of settlement | 2026-06-30 | 2026-06-30 |
Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data; republishing or redistributing it is not permitted. Not presented as a percentage of float. No FINRA endorsement of this product is implied.
Insider activity (last 90 days)
| Form 4 open-market activity | EQIX | SPG |
|---|---|---|
| Buys | 0 | 28 ($533,052) |
| Sells | 62 ($15.5M) | 0 |
Open-market purchases and sales reported on SEC Form 4 (grants, exercises and tax withholding excluded). For context, about 16% of covered companies saw any open-market insider buy in a 90-day window.
Held by the same investors
7 tracked 13F managers hold both Equinix and Simon Property Group as of their latest quarterly filings: AQR Capital Management, Bridgewater Associates, Citadel Advisors, D. E. Shaw, Gotham Asset Management, Millennium Management, Two Sigma Investments. See which superinvestors hold your own portfolio with the smart money checker.
Go deeper
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Data sourced from SEC EDGAR (public domain). Figures are as-reported and may be unaudited or restated; verify against the source filings before relying on them. Comparisons are descriptive (higher or lower on a reported figure), not a rating or a recommendation. Informational only. Not investment advice.