Arthur J. Gallagher & Co. — Institutional Ownership

Which tracked institutions hold AJG, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.

8
Funds holding
$393895230
Total value held
Buying
4 added/new · 2 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Bank Of New York Mellon Corp $289484067 1260984 -26471 -2.06%
2 Cincinnati Financial Corp $53319699 232259 +46000 +24.70%
3 Ameriprise Financial Inc $48934012 213152 +213152 NEW BUY
4 Allstate Corp $1128106 4914 -14615 -74.84%
5 Park National Corp /Oh/ $634072 2762 Held
6 First Business Financial Services, Inc. $238064 1037 Held
7 Zions Bancorporation, National Association /Ut/ $113408 494 +494 NEW BUY
8 Old Republic International Corp $43802 190800 +190800 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.