Aon PLC: Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in Aon PLC. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
34
13F filers
Aggregate Value
$6.2B
Across holders
Last Price
—
EOD close
Sector
—
GICS
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| DODGE & COX CIK 0000200217 | Institutional Manager | 8.59M | $2.9B | 46.3% | 1.5% | Added | +$158.2M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 2.61M | $867.3M | 14.1% | 0.4% | Added | +$602.8M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1.91M | $623.0M | 10.1% | 0.2% | Added | +$622.8M | Q2 2026 |
| FARALLON CAPITAL MANAGEMENT LLC CIK 0000909661 | Hedge Fund | 1.38M | $458.6M | 7.5% | 2.1% | Reduced | $-374.8M | Q2 2026 |
| VIKING GLOBAL INVESTORS LP CIK 0001103804 | Hedge Fund | 1.15M | $381.9M | 6.2% | 1.1% | Added | +$21.3M | Q2 2026 |
| BAUPOST GROUP LLC/MA CIK 0001061768 | Hedge Fund | 687K | $227.9M | 3.7% | 4.2% | Reduced | $-27.2M | Q2 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 385K | $127.7M | 2.1% | 0.6% | Added | +$52.0M | Q2 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 380K | $126.2M | 2.1% | 0.2% | Added | +$52.5M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 312K | $103.6M | 1.7% | 0.0% | Added | +$96.3M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 198K | $65.7M | 1.1% | 0.1% | Reduced | $-8.7M | Q2 2026 |
Added
Institutional Manager
$2.9B· 46.3% of total· 1.5% port· 8.59M sh· +$158.2M QoQ· Q2 2026
Added
Hedge Fund
$867.3M· 14.1% of total· 0.4% port· 2.61M sh· +$602.8M QoQ· Q2 2026
Added
Hedge Fund
$623.0M· 10.1% of total· 0.2% port· 1.91M sh· +$622.8M QoQ· Q2 2026
Reduced
Hedge Fund
$458.6M· 7.5% of total· 2.1% port· 1.38M sh· $-374.8M QoQ· Q2 2026
Added
Hedge Fund
$381.9M· 6.2% of total· 1.1% port· 1.15M sh· +$21.3M QoQ· Q2 2026
Reduced
Hedge Fund
$227.9M· 3.7% of total· 4.2% port· 687K sh· $-27.2M QoQ· Q2 2026
Added
Hedge Fund
$127.7M· 2.1% of total· 0.6% port· 385K sh· +$52.0M QoQ· Q2 2026
Added
Hedge Fund
$126.2M· 2.1% of total· 0.2% port· 380K sh· +$52.5M QoQ· Q2 2026
Added
Hedge Fund
$103.6M· 1.7% of total· 0.0% port· 312K sh· +$96.3M QoQ· Q2 2026
Reduced
Hedge Fund
$65.7M· 1.1% of total· 0.1% port· 198K sh· $-8.7M QoQ· Q2 2026
Added
Hedge Fund
$51.4M· 0.8% of total· 0.2% port· 155K sh· +$17.5M QoQ· Q2 2026
Unchanged
Hedge Fund
$45.0M· 0.7% of total· 0.3% port· 136K sh· $-44.0M QoQ· Q2 2026
Reduced
Hedge Fund
$36.8M· 0.6% of total· 0.1% port· 111K sh· $-53.4M QoQ· Q2 2026
Added
Hedge Fund
$35.0M· 0.6% of total· 0.0% port· 106K sh· +$29.4M QoQ· Q2 2026
Reduced
Hedge Fund
$27.3M· 0.4% of total· 0.1% port· 82K sh· $-10.9M QoQ· Q2 2026
Reduced
Hedge Fund
$17.2M· 0.3% of total· 0.0% port· 52K sh· $-12.3M QoQ· Q2 2026
Added
Hedge Fund
$15.8M· 0.3% of total· 0.0% port· 48K sh· +$15.3M QoQ· Q2 2026
New
Hedge Fund
$15.5M· 0.3% of total· 0.0% port· 47K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$14.9M· 0.2% of total· 0.0% port· 45K sh· $-138.8M QoQ· Q2 2026
Reduced
Hedge Fund
$11.5M· 0.2% of total· 0.0% port· 35K sh· $-73.6M QoQ· Q2 2026
Reduced
Hedge Fund
$11.2M· 0.2% of total· 0.0% port· 34K sh· $-26.6M QoQ· Q2 2026
Reduced
Hedge Fund
$7.8M· 0.1% of total· 0.4% port· 22K sh· $-8K QoQ· Q2 2026
Reduced
Hedge Fund
$5.2M· 0.1% of total· 0.0% port· 16K sh· $-1.5M QoQ· Q2 2026
New
Hedge Fund
$4.8M· 0.1% of total· 0.0% port· 14K sh· — QoQ· Q2 2026
Unchanged
Institutional Manager
$4.3M· 0.1% of total· 0.1% port· 13K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$4.1M· 0.1% of total· 0.0% port· 12K sh· $-12.0M QoQ· Q2 2026
Reduced
Hedge Fund
$3.4M· 0.1% of total· 0.0% port· 10K sh· $-846K QoQ· Q2 2026
New
Hedge Fund
$2.6M· 0.0% of total· 0.1% port· 8K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$2.1M· 0.0% of total· 0.0% port· 6K sh· $-4.4M QoQ· Q2 2026
Added
Hedge Fund
$2.1M· 0.0% of total· 0.0% port· 6K sh· +$76K QoQ· Q2 2026
Added
Hedge Fund
$1.8M· 0.0% of total· 0.0% port· 5K sh· +$593K QoQ· Q2 2026
New
Hedge Fund
$955K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
New
Institutional Manager
$928K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$361K· 0.0% of total· 0.0% port· 1K sh· $-1.2M QoQ· Q2 2026
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