Security key
G0408V102
- Security type / class
- Equity / Stock
- Total 13F shares
- 68,963
- Total 13F value
- $24,603,240
- Share change
- -707
- SEC-reported price per share
- $356.76
- Number of holders
- 4
- Value change
- -$252,229
- Number of sells
- 1
Report period
Q2 2025
Institutions
4
Top holders
4
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
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2025
13F
13D/G
Lead comparable stake: 4.6%
13D/G row: MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Showing 1-6 of 15 holder rows.
Quick read
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ leads the comparable SEC ownership view at 4.6%.
15 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.
Comparable ownership
Top 5
MASSACHUSETTS FINANCIAL SERVICES ...
4.6%
VANGUARD GROUP INC
9.1%
BlackRock, Inc.
6.9%
Capital World Investors
5.6%
STATE STREET CORP
4.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
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
13D/G
Company · Massachusetts Financial Services Company
|
4.6%
from 13D/G
|
$3,923,983,383
9,832,327 shares
|
— | 31 Mar 2025 |
| VANGUARD GROUP INC |
13F
Company
|
9.1%
|
$7,893,382,010
19,778,451 shares
|
— | 31 Mar 2025 |
| BlackRock, Inc. |
13F
Company
|
6.9%
|
$6,025,973,629
15,099,285 shares
|
— | 31 Mar 2025 |
| Capital World Investors |
13F
Company
|
5.6%
|
$4,827,970,224
12,097,577 shares
|
— | 31 Mar 2025 |
| STATE STREET CORP |
13F
Company
|
4.2%
|
$3,661,252,106
9,173,788 shares
|
— | 31 Mar 2025 |
| MORGAN STANLEY |
13F
Company
|
4%
|
$3,482,581,842
8,726,304 shares
|
— | 31 Mar 2025 |
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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
4
Shares
68,963
Rows available
4
| 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 Q2 2025 vs Q1 2026 Across Filers
Q1 2026 holders
4
Q2 2025 holders
4
Holder diff
0
| Investor | Q1 2026 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend