Security key
G0408V102
- Security type / class
- Equity / Stock
- Total 13F shares
- 169,181,999
- Total 13F value
- $27,923,670,580
- Share change
- -30,189,424
- Put/Call ratio
- 21%
- SEC-reported price per share
- $165.04
- Number of holders
- 606
- Value change
- -$6,231,685,013
- Number of buys
- 251
- Number of sells
- 499
Open additional details 1 more signal available
Report period
Q1 2020
Institutions
606
Top holders
10
AON full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Aon plc SEC filings
Aon plc company facts
Broader feeds
Reporting periods
Holder history for CUSIP G0408V102
Recent filing periods:
Ownership snapshot
Top reported holders of AON - AON - Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
MASSACHUSETTS FINANCIAL S...
Disclosed value leader
MASSACHUSETTS FINANCIAL S...
Comparable rows
0/15
Latest evidence
31 Dec 2019
13F
Highest disclosed value: $4,369,550,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ has the largest disclosed position value at $4.37B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s linked filing trail.
Disclosed position value
Top 5
MASSACHUSETTS FINANCIAL SERVICES ...
$4.37B
VANGUARD GROUP INC
$3.79B
BlackRock Finance, Inc.
$3.46B
STATE STREET CORP
$2.2B
LAZARD ASSET MANAGEMENT LLC
$1.66B
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
—
class O/S missing
|
$4,369,550,000
20,978,201 shares
|
— | 31 Dec 2019 |
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$3,791,843,000
18,204,629 shares
|
— | 31 Dec 2019 |
| BlackRock Finance, Inc. |
13F
Company
|
—
class O/S missing
|
$3,462,593,000
16,623,898 shares
|
— | 31 Dec 2019 |
| STATE STREET CORP |
13F
Company
|
—
class O/S missing
|
$2,195,706,000
10,541,582 shares
|
— | 31 Dec 2019 |
| LAZARD ASSET MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$1,662,111,000
7,979,798 shares
|
— | 31 Dec 2019 |
| Capital International Investors |
13F
Company
|
—
class O/S missing
|
$1,484,516,000
7,127,161 shares
|
— | 31 Dec 2019 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2020
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
606
Shares
169,181,999
Rows available
606
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2020 vs Q1 2026 Across Filers
Q1 2026 holders
4
Q1 2020 holders
606
Holder diff
602
| Investor | Q1 2026 Shares | Q1 2020 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2020 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend