# Arthur J Gallagher & Co. (AJG) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 363576109
Page URL: https://superinvestorclub.com/stock/AJG
Last updated: 2026-08-29T13:47:42.608Z

## Summary

As of the most recent 13F filing period, Arthur J Gallagher & Co. (AJG) is held by 8 tracked superinvestors with an aggregate position value of $3.96B representing 0936363448906121336290128502231153926276185971708 shares.

## Top institutional holders (8)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Dodge & Cox](https://superinvestorclub.com/manager/16) | Dodge & Cox | 9363634 | $2.15B | 1.13% | 2026-06-30 |
| 2 | [Boykin Curry](https://superinvestorclub.com/manager/3282) | Eagle Capital Management | 4890612 | $1.12B | 3.43% | 2026-06-30 |
| 3 | [Steven Romick](https://superinvestorclub.com/manager/289) | First Pacific Advisors | 1336290 | $306.8M | 3.79% | 2026-06-30 |
| 4 | [Glenn Greenberg](https://superinvestorclub.com/manager/36) | Brave Warrior Advisors | 1285022 | $295.0M | 6.43% | 2026-06-30 |
| 5 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 311539 | $71.5M | 0.66% | 2026-06-30 |
| 6 | [Torray LLC](https://superinvestorclub.com/manager/3250) | Torray LLC | 26276 | $6.0M | 0.81% | 2026-06-30 |
| 7 | [John Rogers](https://superinvestorclub.com/manager/76) | Ariel Investments | 18597 | $4.3M | 0.04% | 2026-06-30 |
| 8 | [Wally Obermeyer](https://superinvestorclub.com/manager/3283) | Obermeyer Wealth Partners | 1708 | $392,106 | 0.02% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-06-30: 1 holders, $380,295 aggregate, 01732 shares
- 2023-09-30: 1 holders, $394,775 aggregate, 01732 shares
- 2023-12-31: 1 holders, $389,492 aggregate, 01732 shares
- 2024-03-31: 1 holders, $434,319 aggregate, 01737 shares
- 2024-06-30: 1 holders, $450,421 aggregate, 01737 shares
- 2024-09-30: 2 holders, $910,795 aggregate, 017371500 shares
- 2024-12-31: 3 holders, $7.0M aggregate, 02107118031776 shares
- 2025-03-31: 4 holders, $238.0M aggregate, 0666552204111741800 shares
- 2025-06-30: 4 holders, $239.2M aggregate, 0725795190621740760 shares
- 2025-09-30: 5 holders, $24.7M aggregate, 03919024387136451761760 shares
- 2025-12-31: 5 holders, $507.7M aggregate, 0104097788058523180153571740 shares
- 2026-03-31: 7 holders, $2.42B aggregate, 07354915266557272744138768729035197641708 shares

## Recent congressional trades (24)

- 2026-03-08: Kelly Louise Morrison (D-MN) sale $1,001 - $15,000
- 2026-03-08: Kelly Louise Morrison (D-MN) sale $15,001 - $50,000
- 2026-02-10: Gilbert Cisneros (D-CA) sale $1,001 - $15,000
- 2025-12-19: Gil Cisneros (Democrat-CA) purchase $1,001 - $15,000
- 2025-12-19: Gilbert Cisneros (D-CA) purchase $1,001 - $15,000
- 2025-12-18: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-11-13: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-11-10: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-10-07: Ro Khanna (Democrat-CA) purchase $1,001 - $15,000
- 2025-09-23: Valerie Hoyle (D-OR) sale $1,001 - $15,000
- 2025-08-14: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-08-14: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-08-04: Ro Khanna (Democrat-CA) sale $15,001 - $50,000
- 2025-08-04: Lisa McClain (Republican-MI) sale $1,001 - $15,000
- 2025-07-29: Julia Letlow (Republican-LA) sale $1,001 - $15,000

## Recent insider transactions (0)


## Citation

When citing, use: "Arthur J Gallagher & Co. (AJG) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/AJG), aggregating SEC 13F, Form 4, and congressional disclosures."