Arthur J. Gallagher & Co. (AJG) Stock
AJG has an Alpha Score of 52 out of 100 (weak), computed on Nov 5, 2026 from 3 of 4 sub-scores. 13 members of Congress disclosed 25 trades in AJG since 2014: 12 purchases and 13 sales, most recently Alan Armstrong (purchase, Mar 27, 2026). 5 of the hedge funds AlphaScala tracks reported AJG in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Millennium Management's at $31.24M. Company insiders reported 0 open-market buys and 9 sales on SEC Form 4 in the 90 days to Nov 6, 2026. Its trailing P/E ratio is 39.4 and its net margin 11.4% (key statistics as of Nov 3, 2026).
What is AJG's Alpha Score?
How it works →Alpha Score of 52 reflects moderate overall profile with strong momentum, poor value, moderate quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Nov 5, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded Arthur J. Gallagher & Co. (AJG)?
Most recent: Alan Armstrong (purchase, Mar 27, 2026); records start Apr 15, 2014.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Alan Armstrong R-OK · Senate | 2026-03-27 | purchase | $1k – $15k |
| Kelly Morrison D-MN · House | 2026-03-08 | sale | $1k – $15k |
| Kelly Morrison D-MN · House | 2026-03-08 | sale | $15k – $50k |
| Gil Cisneros D-CA · House | 2026-02-10 | sale | $1k – $15k |
| Gil Cisneros D-CA · House | 2025-12-19 | purchase | $1k – $15k |
| Julie Johnson D-TX · House | 2025-12-18 | sale | $1k – $15k |
| Julie Johnson D-TX · House | 2025-11-13 | partial sale | $1k – $15k |
| Val Hoyle D-OR · House | 2025-09-23 | sale | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Nov 5, 2026. Senate records here end Oct 21, 2026; later Senate trades are not included.
Every member of Congress who traded AJG, with filing lags →Which hedge funds own AJG?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Millennium Management Israel Englander | 136K | $31.24M | -42% |
| Citadel Ken Griffin | 111K | $25.44M | -85% |
| Point72 Steve Cohen | 63K | $14.47M | +104% |
| Blackstone | 61K | $14.12M | +360% |
| Marshall Wace | 4K | $944.7K | -99% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are Arthur J. Gallagher & Co. insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Nov 4, 26 | Ziebell William F | VICE PRESIDENT | SELL | 23.5K | $6.7M |
| Nov 2, 26 | Mead Christopher E | VICE PRESIDENT | SELL | 7.6K | $2.1M |
| Nov 2, 26 | Howell Douglas K | VP & Chief Financial Officer | SELL | 17.1K | $4.7M |
| Nov 2, 26 | Howell Douglas K | VP & Chief Financial Officer | SELL | 13.4K | $3.7M |
| Nov 2, 26 | Howell Douglas K | VP & Chief Financial Officer | SELL | 492 | $136K |
| Sep 15, 26 | Cary Richard C | Controller, CAO | SELL | 1.0K | $253K |
| Sep 2, 26 | Hudson Scott R | Vice President | SELL | 12.0K | $3.2M |
| Aug 24, 26 | Bay Walter D. | General Counsel | SELL | 12.0K | $3.2M |
| Aug 19, 26 | Mead Christopher E | VICE PRESIDENT | SELL | 3.5K | $900K |
SEC Form 4 filings as of Nov 6, 2026
See cluster-buy signals across all tickers →What are AJG's key statistics?
Key statistics as of Nov 3, 2026
How does AJG's valuation compare with the Financials sector?
| Metric | AJG | Financials median | Companies in median |
|---|---|---|---|
| P/E ratio | 39.4 | 12.8 | 224 |
| Net margin | 11.41% | 20.42% | 210 |
| Return on equity | 7.63% | 12.33% | 236 |
| Dividend yield (payers) | 0.87% | 3.33% | 176 |
Medians over the Financials stocks whose key statistics were refreshed in the last 35 days (newest Nov 7, 2026). P/E excludes loss-making companies.
AJG price chart
Powered by TradingViewWhat does Arthur J. Gallagher & Co. do?
Arthur J. Gallagher & Co. is a global insurance brokerage and risk management firm. It provides insurance and reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services to businesses and individuals worldwide. The company operates primarily through its Brokerage segment, which delivers retail and wholesale insurance brokerage, assisting in the placement of specialized and hard-to-place coverage, and its Risk Management segment, offering contract claims settlement and administration for self-insured entities. A Corporate segment oversees clean energy and other investments. Arthur J. Gallagher & Co. serves middle-market companies with a focus on comprehensive risk solutions across various industries. Founded in 1927 and headquartered in Rolling Meadows, Illinois, it maintains a significant international presence, generating revenue in regions including Australia, Canada, New Zealand, and the UK.