§ INSURANCE
USD · Insurance

AJG

ARTHUR J GALLAGHER & CO
USDSector · InsuranceMarket cap · $55.9BBeta · 0.65
LAST · MARKET CLOSE · SEP 18
239.76
−1.65 ▼ 0.68%PREV CLOSE · $241.41
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
OPEN 240.00HIGH 241.16LOW 238.7552W 195.00 — 351.23
EVENTSAUG 26 · BWD SELL

§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY

13F FLOW
580 increased/new, 467 decreased/exited (13F)
AC 13F Analysis
INSIDER
−$3M
1 txn · 90d

§ 04 · FUNDAMENTALS · THE BOOKS

P/E37.4P/B2.85
EPS (TTM)5.76Dividend1.35%
§ 05 · WHO OWNS IT
Top institutional holders
All holders →
FundShares% portΔ Q/Q
VANGUARD CAPITAL MANAGEMENT LLC16.7M0.0%n/a
VANGUARD CAPITAL MANAGEMENT LLC16.7M0.0%n/a
JPMORGAN CHASE & CO14.1M0.2%−4%
Capital World Investors13.8M0.4%+10%
VANGUARD PORTFOLIO MANAGEMENT LLC12.4M0.1%n/a
State Street11.0M0.1%+0%
AC INTELLIGENCE

Top institutional owners for AJG as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.

§ 06 · WHO OWNS IT · BY STRATEGY

OTHER2.6% · 0 holders
OTHER37.4% · 1,021 holders
QUALITY / COMPOUNDER20.4% · 41 holders
DEALER / BANK19.4% · 92 holders
PASSIVE / INDEX12.3% · 14 holders
INCOME / DEFENSIVE3.5% · 52 holders
DEEP VALUE3.2% · 3 holders
TACTICAL / MACRO0.8% · 5 holders
SYSTEMATIC / QUANT0.3% · 14 holders
GROWTH / MOMENTUM0.1% · 2 holders
ACTIVIST0.0% · 1 holder
AC INTELLIGENCE

Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.

§ 07 · INSIDER ACTIVITY · LAST 180 DAYS

DateInsiderActionShares$ value
AUG 26Bay Walter D.SELL12K−$3M
JUN 02CARY RICHARD CSELL3K−$618K
AC INTELLIGENCE

0 insider buys, 2 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.

§ 08 · COVERAGE · OUR RECENT NOTES

No notes mention AJG yet.