Arthur J Gallagher & Co. (AJG): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in AJG · Financials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
30
13F filers
Aggregate Value
$4.2B
Across holders
Last Price
$271.99
2026-08-24
Sector
Financials
GICS
Quarterly fund activity22 increased8 reduced4 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| DODGE & COX CIK 0000200217 | Institutional Manager | 9.36M | $2.1B | 50.7% | 1.1% | Added | +$461.1M | Q2 2026 |
| EAGLE CAPITAL MANAGEMENT LLC CIK 0000945631 | Hedge Fund | 4.89M | $1.1B | 26.5% | 3.4% | Added | +$510.8M | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 799K | $183.4M | 4.3% | 0.3% | Added | +$105.2M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 716K | $164.5M | 3.9% | 0.1% | Added | +$157.8M | Q2 2026 |
| Woodline Partners LP CIK 0001784547 | Hedge Fund | 596K | $136.9M | 3.2% | 0.4% | Reduced | $-56.1M | Q2 2026 |
| JUPITER ASSET MANAGEMENT LTD CIK 0001215838 | Hedge Fund | 559K | $125.9M | 3.0% | 0.6% | Added | +$6.3M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 267K | $61.3M | 1.4% | 0.1% | Added | +$6.5M | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 228K | $52.3M | 1.2% | 0.1% | Added | +$37.7M | Q2 2026 |
| BAILLIE GIFFORD & CO CIK 0001088875 | Institutional Manager | 184K | $42.3M | 1.0% | 0.0% | Added | +$24.5M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 170K | $38.7M | 0.9% | 0.0% | Added | $-127.3M | Q2 2026 |
Added
Institutional Manager
$2.1B· 50.7% of total· 1.1% port· 9.36M sh· +$461.1M QoQ· Q2 2026
Added
Hedge Fund
$1.1B· 26.5% of total· 3.4% port· 4.89M sh· +$510.8M QoQ· Q2 2026
Added
Hedge Fund
$183.4M· 4.3% of total· 0.3% port· 799K sh· +$105.2M QoQ· Q2 2026
Added
Hedge Fund
$164.5M· 3.9% of total· 0.1% port· 716K sh· +$157.8M QoQ· Q2 2026
Reduced
Hedge Fund
$136.9M· 3.2% of total· 0.4% port· 596K sh· $-56.1M QoQ· Q2 2026
Added
Hedge Fund
$125.9M· 3.0% of total· 0.6% port· 559K sh· +$6.3M QoQ· Q2 2026
Added
Hedge Fund
$61.3M· 1.4% of total· 0.1% port· 267K sh· +$6.5M QoQ· Q2 2026
Added
Hedge Fund
$52.3M· 1.2% of total· 0.1% port· 228K sh· +$37.7M QoQ· Q2 2026
Added
Institutional Manager
$42.3M· 1.0% of total· 0.0% port· 184K sh· +$24.5M QoQ· Q2 2026
Added
Hedge Fund
$38.7M· 0.9% of total· 0.0% port· 170K sh· $-127.3M QoQ· Q2 2026
Reduced
Hedge Fund
$31.2M· 0.7% of total· 0.0% port· 136K sh· +$24.7M QoQ· Q2 2026
Added
Hedge Fund
$27.3M· 0.6% of total· 0.1% port· 119K sh· +$26.4M QoQ· Q2 2026
Reduced
Hedge Fund
$25.4M· 0.6% of total· 0.0% port· 111K sh· +$14.4M QoQ· Q2 2026
Added
Hedge Fund
$24.0M· 0.6% of total· 0.7% port· 104K sh· +$1.2M QoQ· Q2 2026
Added
Hedge Fund
$14.5M· 0.3% of total· 0.0% port· 63K sh· +$7.4M QoQ· Q2 2026
Added
Hedge Fund
$7.1M· 0.2% of total· 0.0% port· 31K sh· $-6.6M QoQ· Q2 2026
Added
Hedge Fund
$5.6M· 0.1% of total· 0.6% port· 25K sh· +$3.9M QoQ· Q2 2026
Added
Hedge Fund
$5.1M· 0.1% of total· 0.2% port· 22K sh· — QoQ· Q2 2026
Reduced
Institutional Manager
$4.3M· 0.1% of total· 0.0% port· 19K sh· $-268K QoQ· Q2 2026
Added
Hedge Fund
$4.2M· 0.1% of total· 0.1% port· 19K sh· — QoQ· Q2 2026
Added
Hedge Fund
$2.8M· 0.1% of total· 0.0% port· 12K sh· $-5.1M QoQ· Q2 2026
Added
Hedge Fund
$2.4M· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$2.1M· 0.1% of total· 0.0% port· 9K sh· $-76K QoQ· Q2 2026
Added
Hedge Fund
$1.9M· 0.0% of total· 0.0% port· 8K sh· +$1.4M QoQ· Q2 2026
Reduced
Hedge Fund
$1.4M· 0.0% of total· 0.0% port· 4K sh· $-2.9M QoQ· Q3 2025
Added
Hedge Fund
$983K· 0.0% of total· 0.0% port· 4K sh· +$17K QoQ· Q2 2026
Reduced
Hedge Fund
$945K· 0.0% of total· 0.0% port· 4K sh· $-57.1M QoQ· Q2 2026
Added
Institutional Manager
$663K· 0.0% of total· 0.0% port· 3K sh· +$52K QoQ· Q2 2026
Added
Hedge Fund
$62K· 0.0% of total· 0.0% port· 268 sh· $-949K QoQ· Q2 2026
Reduced
Hedge Fund
$51K· 0.0% of total· 0.0% port· 222 sh· $-4.5M QoQ· Q2 2026
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