Security key
032095101
AMPHENOL CORP /DE/ - CLASS A COMMON STOCK (APH)
CUSIP: 032095101
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / CLASS A COMMON STOCK
- Total 13F shares
- 1,152,910,233
- Total 13F value
- $145,331,794,343
- Share change
- -4,439,581
- Put/Call ratio
- 198%
- SEC-reported price per share
- $126.35
- Number of holders
- 2,111
- Value change
- -$977,038,437
- Number of buys
- 1,082
- Number of sells
- 951
- Shares outstanding
- 1,216,357,607
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
Q1 2026
Institutions
2,111
Top holders
10
APH full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
AMPHENOL CORP /DE/ SEC filings
AMPHENOL CORP /DE/ company facts
Broader feeds
Reporting periods
Holder history for CUSIP 032095101
Recent filing periods:
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
J. Stern & Co. LLP
Comparable rows
15/15
Latest evidence
31 Dec 2025
13F
13D/G
Lead comparable stake: 10%
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%.
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 VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
10%
FMR LLC
7.1%
BlackRock, Inc.
8.7%
J. Stern & Co. LLP
6.3%
STATE STREET CORP
4.7%
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 |
13F
13D/G
Company · The Vanguard Group
|
10%
from 13D/G
|
$17,102,439,720
126,553,498 shares
|
— | 31 Dec 2025 |
| FMR LLC |
13F
13D/G
Company
|
7.1%
from 13D/G
|
$11,678,906,249
86,420,795 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
8.7%
|
$14,343,436,010
106,137,606 shares
|
— | 31 Dec 2025 |
| J. Stern & Co. LLP |
13F
Company
|
6.3%
|
$76,769,791,000
76,769,791 shares
|
— | 31 Dec 2025 |
| STATE STREET CORP |
13F
Company
|
4.7%
|
$7,705,440,359
56,913,598 shares
|
— | 31 Dec 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
3.1%
|
$5,124,924,000
37,923,065 shares
|
— | 31 Dec 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
2,111
Shares
1,152,910,233
Rows available
2,111
| 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 2026 vs Q4 2025 Across Filers
Q4 2025 holders
2,046
Q1 2026 holders
2,111
Holder diff
65
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend