AJG
Arthur J. Gallagher & Co.
Insurance Agents, Brokers & ServiceNYSELarge accelerated filer
Total Trades
116
Buys
3
Sells
70
Largest Trade
N/A
Insiders
16
Institutional Funds
1,163
Inst. Value
$1M+
Activist Filings
9
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Ziebell William F | VICE PRESIDENT | SELL | $1M+ | 20K | $241.22 | Nov 7, 2023 |
| Cavaness Joel D | Vice President | SELL | $100K–$500K | 1K | $236.05 | Nov 2, 2023 |
| Cavaness Joel D | Vice President | EXERCISE | $50K–$100K | 1K | $82.05 | Nov 2, 2023 |
| Mead Christopher E | VICE PRESIDENT | EXERCISE | $100K–$500K | 3K | $55.94 | Nov 2, 2023 |
| Mead Christopher E | VICE PRESIDENT | SELL | $500K+ | 3K | $236.34 | Nov 2, 2023 |
| HOWELL DOUGLAS K | CFO | EXERCISE | $500K+ | 15K | $56.86 | Sep 20, 2023 |
| HOWELL DOUGLAS K | CFO | SELL | $1M+ | 15K | $234.94 | Sep 20, 2023 |
| JOHNSON DAVID S | Director | SELL | $100K–$500K | 1K | $230.15 | Sep 20, 2023 |
| Bay Walter D. | General Counsel | EXERCISE | $1M+ | 22K | $56.86 | Sep 20, 2023 |
| Bay Walter D. | General Counsel | SELL | $1M+ | 22K | $232.00 | Sep 20, 2023 |
| Mead Christopher E | VICE PRESIDENT | EXERCISE | N/A | 3K | — | Aug 29, 2023 |
| Mead Christopher E | VICE PRESIDENT | SELL | $500K+ | 3K | $226.14 | Aug 29, 2023 |
| HOWELL DOUGLAS K | CFO | SELL | $1M+ | 66K | $226.40 | Aug 29, 2023 |
| HOWELL DOUGLAS K | CFO | EXERCISE | N/A | 190K | — | Aug 29, 2023 |
| JOHNSON DAVID S | Director | SELL | $100K–$500K | 1K | $216.40 | Jun 20, 2023 |
| Cavaness Joel D | Vice President | SELL | $500K+ | 3K | $204.23 | Jun 12, 2023 |
| Cavaness Joel D | Vice President | EXERCISE | $100K–$500K | 3K | $62.66 | Jun 12, 2023 |
| CARY RICHARD C | Controller, CAO | SELL | $500K+ | 3K | $217.62 | May 12, 2023 |
| CARY RICHARD C | Controller, CAO | EXERCISE | $100K–$500K | 3K | $79.38 | May 12, 2023 |
| BARRAT SHERRY S | Director | SELL | $500K+ | 2K | $215.00 | May 10, 2023 |
| Cavaness Joel D | Vice President | SELL | $1M+ | 33K | $210.57 | May 8, 2023 |
| Cavaness Joel D | Vice President | EXERCISE | $1M+ | 23K | $56.62 | May 8, 2023 |
| McCurdy Kay W | Director | SELL | $100K–$500K | 2K | $211.78 | May 5, 2023 |
| Pietrucha Susan E | CHRO | EXERCISE | N/A | 33K | — | May 5, 2023 |
| Pietrucha Susan E | CHRO | SELL | $1M+ | 57K | $211.21 | May 5, 2023 |
| HOWELL DOUGLAS K | CFO | SELL | $500K+ | 3K | $180.98 | Mar 20, 2023 |
| JOHNSON DAVID S | Director | SELL | $100K–$500K | 1K | $189.62 | Mar 10, 2023 |
| Gallagher Patrick Murphy | Vice President | SELL | $500K+ | 5K | $189.34 | Mar 10, 2023 |
| Gallagher Patrick Murphy | Vice President | EXERCISE | $100K–$500K | 10K | $43.71 | Mar 10, 2023 |
| Hudson Scott R | Vice President | SELL | $1M+ | 19K | $190.66 | Mar 9, 2023 |
| Hudson Scott R | Vice President | EXERCISE | $500K+ | 19K | $43.71 | Mar 9, 2023 |
| McCurdy Kay W | Director | SELL | $15K–$50K | 182 | $196.59 | Feb 10, 2023 |
| McCurdy Kay W | Director | SELL | $100K–$500K | 750 | $199.00 | Dec 6, 2022 |
| BARRAT SHERRY S | Director | SELL | $100K–$500K | 505 | $198.59 | Dec 2, 2022 |
| HOWELL DOUGLAS K | CFO | SELL | $500K+ | 5K | $196.32 | Dec 2, 2022 |
| HOWELL DOUGLAS K | CFO | EXERCISE | $100K–$500K | 5K | $52.10 | Dec 2, 2022 |
| Hudson Scott R | Vice President | EXERCISE | $500K+ | 12K | $43.71 | Nov 25, 2022 |
| Hudson Scott R | Vice President | SELL | $1M+ | 12K | $197.95 | Nov 25, 2022 |
| HOWELL DOUGLAS K | CFO | EXERCISE | $1M+ | 25K | $43.71 | Nov 23, 2022 |
| HOWELL DOUGLAS K | CFO | SELL | $1M+ | 25K | $195.80 | Nov 23, 2022 |
| Cavaness Joel D | Vice President | SELL | $1M+ | 10K | $192.72 | Nov 21, 2022 |
| Cavaness Joel D | Vice President | EXERCISE | $100K–$500K | 10K | $43.71 | Nov 21, 2022 |
| BAX WILLIAM L | Director | SELL | $50K–$100K | 350 | $189.30 | Nov 1, 2022 |
| JOHNSON DAVID S | Director | SELL | $100K–$500K | 1K | $190.14 | Aug 24, 2022 |
| HOWELL DOUGLAS K | CFO | SELL | $1M+ | 6K | $190.32 | Aug 18, 2022 |
| Cavaness Joel D | Vice President | SELL | $1M+ | 16K | $187.07 | Aug 15, 2022 |
| Cavaness Joel D | Vice President | EXERCISE | $500K+ | 16K | $43.71 | Aug 15, 2022 |
| CARY RICHARD C | Controller, CAO | SELL | $500K+ | 3K | $182.16 | Aug 11, 2022 |
| CARY RICHARD C | Controller, CAO | EXERCISE | $100K–$500K | 3K | $67.62 | Aug 11, 2022 |
| Bay Walter D. | General Counsel | EXERCISE | $100K–$500K | 10K | $43.71 | Aug 11, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 1,163 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Capital World Investors | 12.6M | $1M+ | SH |
| STATE STREET CORP | 11.0M | $1M+ | SH |
| NORGES BANK | 7.4M | $1M+ | SH |
| Capital International Investors | 6.3M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 5.2M | $1M+ | SH |
| Mitsubishi UFJ Asset Management Co., Ltd. | 3.1M | $1M+ | SH |
| WCM INVESTMENT MANAGEMENT, LLC | 2.4M | $1M+ | SH |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 1.1M | $1M+ | SH |
| Capital Research Global Investors | 1.5M | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 1.2M | $1M+ | SH |
| VIKING GLOBAL INVESTORS LP | 1.0M | $1M+ | SH |
| Findlay Park Partners LLP | 1.0M | $1M+ | SH |
| BROWN BROTHERS HARRIMAN & CO | 1.0M | $1M+ | SH |
| APG Asset Management N.V. | 1.2M | $1M+ | SH |
| DODGE & COX | 881K | $1M+ | SH |
| BECK MACK & OLIVER LLC | 879K | $1M+ | SH |
| Guinness Asset Management LTD | 806K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 785K | $1M+ | SH |
| Swiss National Bank | 703K | $1M+ | SH |
| Stonehage Fleming Financial Services Holdings Ltd | 646K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 13, 2026
5.0%
13.0M shares
SC 13G/A · Jul 16, 2025
6.9%
17.7M shares
SC 13G/A · Apr 22, 2025
6.7%
17.1M shares
SC 13G · Feb 10, 2025
5.0%
12.5M shares
SC 13G · Nov 12, 2024
5.6%
12.3M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.8%
25.6M shares
SC 13G · Jan 25, 2024
8.1%
17.4M shares
SC 13G/A · Feb 3, 2023
7.9%
16.7M shares
SC 13G/A · Jan 31, 2022
7.8%
16.3M shares