Arthur Gallagher Stock Has Rallied Over the Past Year: Can A 52% Modeled Upside Keep the Momentum Going?

Rexielyn Diaz3 minute read
Reviewed by: Thomas Richmond
Last updated Feb 10, 2026

Key Stats for Arthur Gallagher Stock

  • Past week’s performance: around $241.58 after a modest pullback from January highs
  • 52-week range: $236.34 to $351.23
  • Valuation model target price: $1367.52
  • Implied upside: 52.1% over the next 4.9 years

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What Happened?

Arthur J. Gallagher & Co. (AJG) stock eased slightly this week, with shares dipping toward the mid‑$240s after trading above $320 late last year.

The move came as investors digested the company’s latest full‑year 2025 results and a busy stretch of acquisition activity, so the stock is consolidating after a strong multi‑year run.

The company recently reported fourth‑quarter and full‑year 2025 earnings, showing continued revenue growth driven by its Brokerage and Risk Management segments, along with sizable non‑cash adjustments related to acquisition accounting.

Management highlighted solid organic brokerage growth, healthy retention, and contributions from acquired operations, which helped offset higher expenses and integration costs.

News flow in early 2026 has centered on the earnings release and ongoing acquisition pipeline rather than major negative surprises, so the recent share consolidation appears tied more to valuation and profit taking than to a change in fundamentals.

With the stock still near the lower end of its 52‑week range after the pullback, investors are watching how integration progresses, margin trends, and any new deal announcements shape expectations heading into the next few quarters.

Arthur Gallagher Advance Valuation Model

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Is Arthur Gallagher Stock Undervalued?

Under the Advance Valuation Model assumptions realized through 2030, the stock is modeled using:

  • Revenue growth (CAGR): 9.6%
  • Operating margins: 20.8%
  • Exit P/E multiple: 10.4x

Based on these inputs, the model estimates a target price of $367.52, implying a 52.1% total return from the current share price of $241.58 and an annualized return of 8.9% over the next 4.9 years.

Those assumptions depend heavily on AJG’s ability to keep growing revenue near high‑single‑digit rates while maintaining robust margins, and recent financials show that organic growth, higher retention, and disciplined expense control have supported expanding earnings.

At the same time, the company’s acquisition strategy remains central because it continues to invest heavily in bolt‑on deals that broaden its global brokerage footprint and deepen capabilities in risk management and consulting.

If Arthur J. Gallagher continues to integrate acquisitions effectively, sustain organic growth, and preserve margin discipline while keeping leverage in check, the current valuation model suggests the stock could deliver mid‑to‑high single‑digit annualized returns from here.

However, slower deal activity, regulatory changes, or weaker pricing in commercial insurance lines could pressure growth and challenge those forecasts, so investors should monitor upcoming earnings reports and management commentary closely.​

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  2. Operating Margins
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