Security key
363576109
Arthur J. Gallagher & Co. - COMMON STOCK (AJG)
CUSIP: 363576109
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 224,021,472
- Total 13F value
- $77,272,419,154
- Share change
- -7,435,160
- Put/Call ratio
- 38%
- SEC-reported price per share
- $345.24
- Number of holders
- 1,341
- Value change
- -$1,774,697,720
- Number of buys
- 705
- Number of sells
- 561
- Shares outstanding
- 258,372,033
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
1,341
Top holders
10
AJG full security history
Ownership snapshot
Full 13F holder table
Arthur J. Gallagher & Co. SEC filings
Arthur J. Gallagher & Co. company facts
Broader feeds
Ownership snapshot
Top reported holders of AJG - Arthur J. Gallagher & Co. - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 11%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 11%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
11%
BlackRock, Inc.
7.6%
JPMORGAN CHASE & CO
4.9%
FMR LLC
4.6%
STATE STREET CORP
4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
11%
|
$8,422,435,236
29,672,134 shares
|
— | 31 Dec 2024 |
| BlackRock, Inc. |
13F
Company
|
7.6%
|
$5,537,823,118
19,509,682 shares
|
— | 31 Dec 2024 |
| JPMORGAN CHASE & CO |
13F
Company
|
4.9%
|
$3,564,457,572
12,557,538 shares
|
— | 31 Dec 2024 |
| FMR LLC |
13F
Company
|
4.6%
|
$3,394,613,391
11,959,180 shares
|
— | 31 Dec 2024 |
| STATE STREET CORP |
13F
Company
|
4%
|
$2,918,601,289
10,282,064 shares
|
— | 31 Dec 2024 |
| Capital International Investors |
13F
Company
|
3.9%
|
$2,857,737,471
10,067,647 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1,341
Shares
224,021,472
Rows available
1,341
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2025 Across Filers
Q1 2025 holders
1,341
Q1 2025 holders
1,341
Holder diff
0
| Investor | Q1 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|