13F Insight
DOSSIER · 13F Holders · Q1 2026Financial Services · Insurance Agents, Brokers & ServiceDefensive growthQuality
AJG

GALLAGHER ARTHUR J & CO

1,333 institutions still hold GALLAGHER ARTHUR J & CO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 363576109·Insurance Agents, Brokers & Service·1,333 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 8.9%
vs prior quarter
13F value held
$32.6B
47.0% inst. owned
of float
Holders
1,333
+9 QoQ
filers reporting
Activity
+30 / −80
+890 added · −680 reduced
this quarter
Concentration
12.96%
JPMORGAN CHASE & CO #1
top holder share
AI Holders Summary · Q1 2026

1,333 institutions reported AJG in Q1 2026. JPMORGAN CHASE & CO leads at 13.0% of the visible book. +9 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
JPMORGAN CHASE & CO
CIK 0000019617
$4.2B19.6M0.27%Q1 202602
BlackRock, Inc.
CIK 0002012383
$4.2B19.3M0.07%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$3.6B16.7M0.09%Q1 202604
FMR LLC
CIK 0000315066
$3.2B14.6M0.17%Q1 202605
Capital World Investors
CIK 0001422849
$3.0B13.8M0.41%Q1 202606
Vanguard Portfolio Management
CIK 0002100121
$2.7B12.4M0.14%Q1 202607
STATE STREET CORP
CIK 0000093751
$2.4B11.0M0.08%Q1 202608
DODGE & COX
CIK 0000200217
$1.6B7.4M0.88%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$1.4B6.2M0.08%Q1 202610
MORGAN STANLEY
CIK 0000895421
$878M4.1M0.05%Q1 202611
PRINCIPAL FINANCIAL GROUP INC
CIK 0001126328
$702M3.2M0.38%Q1 202612
Capital Research Global Investors
CIK 0001422848
$645M3.0M0.10%Q1 202613
EAGLE CAPITAL MANAGEMENT LLC
CIK 0000945631
$577M2.7M1.94%Q1 202614
Capital International Investors
CIK 0001562230
$562M2.6M0.13%Q1 202615
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$560M2.6M0.10%Q1 202616
BROWN ADVISORY INC
CIK 0001345929
$525M2.0M0.73%Q4 202517
GTCR LLC
CIK 0001576350
$514M2.4M13.60%Q1 202618
WCM INVESTMENT MANAGEMENT, LLC
CIK 0001061186
$510M2.4M1.16%Q1 202619
NORTHERN TRUST CORP
CIK 0000073124· Index
$483M2.2M0.06%Q1 202620
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$457M2.1M0.07%Q1 2026
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