Arthur J. Gallagher & Co. — Institutional Ownership

Which tracked institutions hold AJG, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.

6
Funds holding
$384881965
Total value held
Buying
3 added/new · 2 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Bank Of New York Mellon Corp $278836950 1287455 -19020 -1.46%
2 Ameriprise Financial Inc $51966351 239340 +753 +0.32%
3 Cincinnati Financial Corp $48201967 186259 +48000 +34.72%
4 Allstate Corp $5053910 19529 +10415 +114.27%
5 Park National Corp /Oh/ $598194 2762 -1 -0.04%
6 First Business Financial Services, Inc. $224593 1037 Held

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