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Allstate vs Aon (ALL vs AON)

Side by side from their SEC filings: revenue, margins, growth, returns and valuation, plus short interest, insider activity and institutional ownership.

Allstate is the larger company by revenue ($67.7B vs $17.2B). Aon carries the larger market value ($76.2B vs $64.8B). Aon has grown revenue faster over the last 4 fiscal years (+40.9% cumulative vs +33.8%). Allstate trades at the lower trailing P/E (5.6x vs 19.6x).

About Allstate

Allstate Corporation is a major personal lines insurer in the United States offering auto, homeowners, and other personal property-liability insurance products. It serves customers through exclusive agents, independent agents, and direct channels under brands such as Allstate, National General, and Direct Auto. The company also provides consumer product protection plans, roadside assistance, identity protection, and mobility intelligence services using automotive telematics.

About Aon

Aon plc is a global professional services firm that provides risk management, insurance brokerage, reinsurance, and human capital consulting services. Its main business segments are Risk Capital, which offers insurance and reinsurance brokerage and consulting, and Human Capital, which delivers health, benefits, talent advisory, and retirement consulting services. Aon serves clients in over 120 countries across various industries and market segments.

Head to head (ALL FY2025 vs AON FY2025)

MetricALLFY2025AONFY2025
Revenue$67.69B$17.18B
Revenue growth (YoY)5.6%9.4%
Gross margin
Operating margin25.3%
Net margin15.2%21.5%
Net income$10.28B$3.69B
Diluted EPS$38.06$17.02
FCF margin14.6%18.7%
ROE33.6%39.1%
Debt / equity0.2×1.5×
Market cap$64.77B$76.23B
P/E (TTM)5.6×19.6×

Fundamentals are from each company’s SEC filings (ALL FY2025, AON FY2025). P/E and market cap are derived from recent market prices and update daily.

Five-year trend (as reported)

RevenueFY2021FY2022FY2023FY2024FY2025
ALL$50.60B$51.41B$57.09B$64.11B$67.69B
AON$12.19B$12.48B$13.38B$15.70B$17.18B
Net incomeFY2021FY2022FY2023FY2024FY2025
ALL$1.61B$-1.29B$-188.0M$4.67B$10.28B
AON$1.25B$2.59B$2.56B$2.65B$3.69B
Operating marginFY2021FY2022FY2023FY2024FY2025
ALL
AON17.1%29.4%28.3%24.4%25.3%

Peer standing

Where each company ranks among the 88 insurance companies, on the same scale. Each figure is ranked only against peers that report it. Percentiles describe position in the distribution, not a rating.

MetricALLAON
Net margin
15.2%67th percentile of 82
21.5%83rd percentile of 82
FCF margin
14.6%43rd percentile of 55
18.7%59th percentile of 55
Revenue growth (YoY)
+5.6%37th percentile of 88
+9.4%49th percentile of 88
ROE
33.6%92nd percentile of 73
39.1%99th percentile of 73
P/E (TTM)
5.6×10th percentile of 71
19.6×77th percentile of 71
Debt / equity
0.24×53rd percentile of 48
1.55×94th percentile of 48
Short interest (days to cover)
3.55d64th percentile of 86
1.61d13th percentile of 86

Short interest

FINRA settlement dataALLAON
Shares sold short8.2M3.7M
Change vs prior settlement-3.4%+2.9%
Days to cover3.551.61
As of settlement2026-06-302026-06-30

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 activityALLAON
Buys00
Sells3 ($4.9M)1 ($216,000)

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.

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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.