Security key
032095101
AMPHENOL CORP /DE/ - CLASS A COMMON STOCK (APH)
CUSIP: 032095101
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / CLASS A COMMON STOCK
- Total 13F shares
- 1,174,926,604
- Total 13F value
- $98,970,935,545
- Share change
- +586,763,677
- Put/Call ratio
- 223%
- SEC-reported price per share
- $84.30
- Number of holders
- 1,791
- Value change
- +$49,166,752,921
- Number of buys
- 1,707
- Number of sells
- 127
- Shares outstanding
- 1,236,601,758
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
1,791
Top holders
10
APH full security history
Ownership snapshot
Full 13F holder table
AMPHENOL CORP /DE/ SEC filings
AMPHENOL CORP /DE/ company facts
Broader feeds
Ownership snapshot
Top reported holders of APH - AMPHENOL CORP /DE/ - CLASS A COMMON 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
VANGUARD GROUP INC
Disclosed value leader
BlackRock, Inc.
Comparable rows
2/15
Latest evidence
30 Jun 2026
13D/G
13F
Lead comparable stake: 10%
13 rows are not safely comparable across share classes.
13D/G row: VANGUARD GROUP INC
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 10%.
2 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 VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 2
VANGUARD GROUP INC
10%
FMR LLC
5.7%
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 |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
10%
Reported 13D/G
· 30 Sep 2025
|
$15,496,852,016
125,227,087 shares
|
$0 | 30 Sep 2025 |
| FMR LLC |
13F
13D/G
Company
|
5.7%
Reported 13D/G
· 30 Jun 2026
|
$12,442,726,993
70,569,005 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$17,852,759,340
101,252,038 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$14,166,819,714
80,347,208 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
—
denominator unverified
|
$10,504,081,210
59,492,948 shares
|
— | 30 Jun 2026 |
| Capital International Investors |
13F
Company
|
—
denominator unverified
|
$7,586,843,857
43,036,258 shares
|
— | 30 Jun 2026 |
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 Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1,791
Shares
1,174,926,604
Rows available
1,791
| 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 Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
2,337
Q3 2026 holders
1,791
Holder diff
-546
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|