AJG's Growth Score Just Took a 20-Point Hit, Here's What the Earnings Revealed

Arthur J. Gallagher is one of the world's largest insurance brokers, growing revenue at nearly 14% a year mostly by buying rivals. But after Q2 2026 earnings, its Multibagger growth score dropped from 52 to 32, as the per-share math, 8.9% CAGR vs. 13.9% headline growth, flags how much of that expansion is being handed to new shareholders rather than compounding for existing ones.
Arthur J. Gallagher & Co. places insurance and manages risk for businesses globally, and it has built a 14% five-year revenue growth rate almost entirely through acquisitions. That is an impressive top-line story. The trouble is that buying companies requires issuing shares and borrowing money, and both dilute what each existing shareholder actually owns. The gap tells the story plainly: revenue has compounded at 13.9% annually over five years, but revenue per share has grown at only 8.9%, a five-percentage-point annual drag that quietly eats into the compounding story investors are actually buying.
Q2 2026 earnings appear to have sharpened that concern. The company's Multibagger growth score fell from 52 to 32 after the report, a move driven by the metrics that matter most for long-run compounding: return on invested capital sits at just 5.9%, well below what most durable compounders generate, while net debt has reached $12.7 billion. When a business earns less on its capital than a low-risk bond, each new acquisition has to work harder just to break even for shareholders. An operating margin of 18.2% on a $15.75 billion revenue base is solid, but it has not been enough to lift ROIC into convincing territory.
The Financials dimension score of 41 out of 100 reflects exactly this tension. The Moat (63) and Management (72) scores suggest the underlying brokerage franchise is real and well-run, insurance distribution businesses do carry switching costs and recurring revenue. The question the lower growth score is now asking is whether the acquisition engine can generate returns above its cost of capital at this debt load, or whether headline growth is outrunning per-share value creation.
What to watch: the pace and price of future deals, any movement in ROIC as recent acquisitions mature, and whether free cash flow grows fast enough to bring that $12.7 billion debt load down without further dilution. Those three metrics will determine whether the compounding story eventually catches up to the revenue headline.
- Arthur J. Gallagher & Co. Reports Second Quarter 2026 Financial Results · 2026-07-30
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