Companies / Arthur J. Gallagher & Co. / Activity
Activity — Arthur J. Gallagher & Co.
350 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-1.93B | -7.4M -100.00% | 0 | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $706.58M | +2.7M +57.99% | 7,438,704 0.29% of shares | high |
| Q2 2026 as of | Mitsubishi UFJ Asset Management Co., Ltd. 13F manager | Trim | Common stock | $-558.10M | -2.4M -79.55% | 625,018 0.02% of shares | high |
| Q1 2026 as of | Findlay Park Partners LLP 13F manager | Exit | Common stock | $-265.39M | -1.0M -100.00% | 0 | high |
| Q1 2026 as of | Baillie Gifford & Co 13F manager | Trim | Common stock | $-158.50M | -732K -84.58% | 133,430 <0.01% of shares | high |
| Q1 2026 as of | Brandes Investment Partners, LP 13F manager | New | Common stock | $151.88M | +701K | 701,260 0.03% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $133.90M | +583K +3.03% | 19,822,870 0.77% of shares | high |
| Q1 2026 as of | Jupiter Asset Management Ltd 13F manager | New | Common stock | $113.22M | +531K | 531,235 0.02% of shares | high |
| Q1 2026 as of | Brown Advisory Inc 13F manager | Trim | Common stock | $-96.95M | -448K -22.07% | 1,580,307 0.06% of shares | high |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Add | Common stock | $88.61M | +409K +14.44% | 3,242,088 0.13% of shares | high |
| Q1 2026 as of | First Pacific Advisors, LP 13F manager | New | Common stock | $83.97M | +388K | 387,687 0.02% of shares | high |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $80.39M | +350K +3.20% | 11,303,790 0.44% of shares | high |
| Q3 2023 as of | Barclays PLC 13F manager | Add | Common stock | $69.81M | +306K +63.49% | 788,679 0.03% of shares | high |
| Q1 2026 as of | Viking Global Investors LP 13F manager | Trim | Common stock | $-67.91M | -314K -30.12% | 727,441 0.03% of shares | high |
| Q1 2026 as of | Westfield Capital Management Company, L.P. 13F manager | Exit | Common stock | $-67.15M | -259K -100.00% | 0 | high |
| Q1 2026 as of | Sands Capital Management, LLC 13F manager | Exit | Common stock | $-63.21M | -244K -100.00% | 0 | high |
| Q2 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-61.79M | -238K -28.21% | 606,360 0.02% of shares | high |
| Q1 2026 as of | Chilton Investment Co Inc. 13F manager | Trim | Common stock | $-60.25M | -278K -36.19% | 490,488 0.02% of shares | high |
| Q2 2023 as of | Barclays PLC 13F manager | Add | Common stock | $53.12M | +242K +100.61% | 482,415 0.02% of shares | high |
| Q1 2026 as of | Geode Capital Management, LLC 13F manager | Add | Common stock | $49.68M | +229K +3.82% | 6,243,640 0.24% of shares | medium |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Add | Common stock | $49.30M | +228K +2001.91% | 238,987 <0.01% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $45.53M | +210K +883.77% | 234,020 <0.01% of shares | medium |
| Q2 2025 as of | Barclays PLC 13F manager | Add | Common stock | $45.10M | +141K +22.11% | 777,911 0.03% of shares | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Exit | Common stock | $-44.90M | -173K -100.00% | 0 | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $41.60M | +192K +227.79% | 276,420 0.01% of shares | medium |
| Q2 2026 as of | Fiera Capital Corp 13F manager | Exit | Common stock | $-41.56M | -161K -100.00% | 0 | medium |
| Q1 2026 as of | Credit Agricole S a 13F manager | Trim | Common stock | $-41.39M | -191K -62.38% | 115,259 <0.01% of shares | medium |
| Q1 2026 as of | Beck Mack & Oliver LLC 13F manager | Add | Common stock | $39.74M | +184K +20.88% | 1,062,566 0.04% of shares | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | Add | Common stock | $39.19M | +181K +113.24% | 340,763 0.01% of shares | medium |
| Q1 2025 as of | Barclays PLC 13F manager | Add | Common stock | $36.59M | +106K +19.96% | 637,034 0.02% of shares | medium |
| Q4 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-35.44M | -137K -16.88% | 674,285 0.03% of shares | medium |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Add | Common stock | $33.18M | +153K +904.35% | 170,126 <0.01% of shares | medium |
| Q4 2025 as of | Virtue Capital Management, LLC 13F manager | Trim | Common stock | $-32.87M | -128K -97.50% | 3,286 <0.01% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-28.25M | -130K -27.34% | 346,680 0.01% of shares | medium |
| Q1 2026 as of | Lazard Asset Management LLC 13F manager | Add | Common stock | $26.59M | +123K +59.53% | 329,019 0.01% of shares | medium |
| Q1 2024 as of | Barclays PLC 13F manager | Add | Common stock | $25.83M | +103K +13.93% | 844,633 0.03% of shares | medium |
| Q1 2023 as of | Barclays PLC 13F manager | Trim | Common stock | $-25.05M | -131K -35.26% | 240,475 <0.01% of shares | medium |
| Q2 2026 as of | Mawer Investment Management Ltd. 13F manager | Trim | Common stock | $-23.65M | -103K -16.80% | 510,025 0.02% of shares | medium |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Add | Common stock | $21.97M | +101K +5.43% | 1,970,990 0.08% of shares | medium |
| Q3 2025 as of | Broadwater Capital Management LLC 13F manager | Trim | Common stock | $-19.77M | -64K -99.69% | 200 <0.01% of shares | medium |
| Q4 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-18.25M | -64K -10.80% | 531,044 0.02% of shares | medium |
| Q3 2024 as of | Danske Bank A/S 13F manager | Add | Common stock | $17.90M | +64K +70.41% | 153,947 <0.01% of shares | medium |
| Q2 2026 as of | Mml Investors Services, LLC 13F manager | Trim | Common stock | $-17.42M | -76K -42.79% | 101,450 <0.01% of shares | medium |
| Q1 2026 as of | Schroder Investment Management Group 13F manager | Trim | Common stock | $-16.32M | -76K -79.89% | 19,027 <0.01% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Add | Common stock | $15.65M | +72K +1673.15% | 76,600 <0.01% of shares | medium |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-14.99M | -58K -3.70% | 1,508,079 0.06% of shares | medium |
| Q2 2026 as of | Forsta Ap-Fonden 13F manager | Exit | Common stock | $-13.91M | -54K -100.00% | 0 | medium |
| Q1 2026 as of | Cincinnati Insurance Co 13F manager | Add | Common stock | $13.55M | +63K +34.06% | 246,282 <0.01% of shares | medium |
| Q1 2026 as of | South Street Advisors LLC 13F manager | Exit | Common stock | $-12.50M | -48K -100.00% | 0 | medium |
| Q2 2026 as of | The PNC Financial Services Group, Inc. 13F manager | Add | Common stock | $12.46M | +54K +62.44% | 141,214 <0.01% of shares | medium |