Latest Period
Q1 2026
Security Snapshot
AMPHENOL CORP /DE/ - CLASS A COMMON STOCK (APH) Institutional Ownership
CUSIP: 032095101
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
2,105
Shares (Excl. Options)
1,151,824,928
Price
$126.35
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- Security type / class
- Equity / CLASS A COMMON STOCK
- Symbol
- APH on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,151,824,928
- Total 13F value
- $145,194,666,576
- Portfolio coverage rank
- 0.1%
- Share change
- -3,962,003
- Value change
- -$917,594,952
- Number of holders
- 2,105
- Shares outstanding
- 1,216,357,607
- SEC-reported price per share
- $124.64
- Insider filing price
- $124.64
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- APH - AMPHENOL CORP /DE/ - CLASS A COMMON STOCK is tracked under CUSIP 032095101.
- 2105 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 2,043 to 2,105 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $156,631,031,635 to $145,194,666,576.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 2105 institutions filings for Q1 2026.
Security key
032095101
Latest holder period
Q1 2026
13F holders
2,105
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
APH full holder history
AMPHENOL CORP /DE/ SEC filings
AMPHENOL CORP /DE/ company facts
AMPHENOL CORP /DE/ insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 032095101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
APH
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 10% | $15,496,852,016 | 125,227,087 | The Vanguard Group | 30 Sep 2025 | |||
| FMR LLC | 7.1% | -14% | $11,670,878,257 | -$1,810,569,638 | 86,361,390 | -13% | FMR LLC | 31 Dec 2025 |
As of 31 Mar 2026, 2,105 institutional investors reported holding 1,151,824,928 shares of AMPHENOL CORP /DE/ - CLASS A COMMON STOCK (APH). This represents 95% of the company’s total 1,216,357,607 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
59%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8.4% | 101,966,066 | -3.9% | 0.23% | $12,883,412,435 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.6% | 79,875,456 | 0% | 0.25% | $10,092,263,866 |
| FMR LLC | 6.5% | 79,477,521 | -8% | 0.53% | $10,041,984,781 |
| STATE STREET CORP | 4.7% | 57,396,418 | +0.85% | 0.25% | $7,266,090,298 |
| JPMORGAN CHASE & CO | 4.1% | 49,270,578 | +44% | 0.4% | $5,870,589,642 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.9% | 35,850,171 | 0% | 0.24% | $4,529,669,105 |
| Capital International Investors | 2.9% | 35,333,842 | +49% | 1% | $4,463,635,126 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6% | 31,295,967 | +3.2% | 0.25% | $3,947,761,324 |
| Capital Research Global Investors | 2.2% | 26,630,629 | +62% | 0.52% | $3,364,162,320 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.2% | 26,186,905 | -31% | 0.38% | $3,308,716,000 |
| BANK OF AMERICA CORP /DE/ | 1.7% | 20,675,686 | -5.8% | 0.19% | $2,612,372,879 |
| MORGAN STANLEY | 1.4% | 17,512,450 | -3.7% | 0.13% | $2,212,698,455 |
| Bank of New York Mellon Corp | 1.3% | 16,312,088 | -7.9% | 0.38% | $2,061,032,233 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.2% | 15,001,671 | +21% | 0.35% | $1,895,461,131 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.1% | 13,964,627 | -12% | 0.65% | $1,831,149,630 |
| NORTHERN TRUST CORP | 1.1% | 13,469,540 | -0.3% | 0.22% | $1,701,876,380 |
| Nuveen, LLC | 1.1% | 13,122,461 | +68% | 0.45% | $1,658,022,924 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.98% | 11,884,529 | +0.22% | 0.81% | $1,501,610,239 |
| Invesco Ltd. | 0.97% | 11,777,152 | +32% | 0.23% | $1,488,043,109 |
| GOLDMAN SACHS GROUP INC | 0.94% | 11,406,674 | +34% | 0.19% | $1,441,233,273 |
| JENNISON ASSOCIATES LLC | 0.84% | 10,238,520 | -0.18% | 0.89% | $1,293,637,018 |
| ROYAL BANK OF CANADA | 0.8% | 9,768,089 | -8.2% | 0.23% | $1,234,197,000 |
| JANUS HENDERSON GROUP PLC | 0.78% | 9,458,488 | -4.5% | 0.57% | $1,195,087,777 |
| FRANKLIN RESOURCES INC | 0.77% | 9,306,837 | -19% | 0.29% | $1,175,918,815 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.76% | 9,287,216 | +11% | 0.24% | $1,173,439,741 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,151,824,928 | $145,194,666,576 | -$917,594,952 | $126.35 | 2,105 |
| 2025 Q4 | 1,158,848,818 | $156,631,031,635 | +$2,388,561,751 | $135.14 | 2,043 |
| 2025 Q3 | 1,138,056,321 | $140,822,354,068 | -$2,419,660,729 | $123.75 | 1,814 |
| 2025 Q2 | 1,161,045,267 | $114,601,297,141 | +$3,015,568,413 | $98.75 | 1,635 |
| 2025 Q1 | 1,135,989,991 | $74,470,695,565 | -$419,287,411 | $65.59 | 1,412 |
| 2024 Q4 | 1,143,216,361 | $79,434,607,474 | +$571,959,066 | $69.45 | 1,395 |
| 2024 Q3 | 1,124,876,834 | $73,291,210,009 | -$1,266,064,515 | $65.16 | 1,283 |
| 2024 Q2 | 1,142,410,176 | $76,954,799,039 | +$38,232,620,768 | $67.37 | 1,282 |
| 2024 Q1 | 573,740,439 | $66,150,465,369 | -$1,043,619,714 | $115.35 | 1,144 |
| 2023 Q4 | 582,909,856 | $57,745,305,042 | +$1,436,073,003 | $99.13 | 1,075 |
| 2023 Q3 | 567,336,466 | $47,632,904,988 | -$277,220,648 | $83.99 | 1,004 |
| 2023 Q2 | 569,847,528 | $48,379,260,398 | -$101,784,762 | $84.95 | 975 |
| 2023 Q1 | 568,763,380 | $46,437,651,782 | +$177,549,328 | $81.72 | 968 |
| 2022 Q4 | 567,952,334 | $43,277,619,471 | +$183,133,434 | $76.14 | 942 |
| 2022 Q3 | 568,213,185 | $38,105,797,288 | +$73,538,620 | $66.96 | 895 |
| 2022 Q2 | 562,405,920 | $36,214,554,293 | -$66,393,686 | $64.38 | 878 |
| 2022 Q1 | 566,428,480 | $42,667,296,382 | -$615,520,187 | $75.35 | 880 |
| 2021 Q4 | 574,109,482 | $50,149,685,860 | -$134,517,303 | $87.46 | 879 |
| 2021 Q3 | 573,421,682 | $41,992,500,151 | +$343,118,185 | $73.23 | 824 |
| 2021 Q2 | 568,834,284 | $38,895,707,663 | +$192,356,033 | $68.41 | 812 |
| 2021 Q1 | 565,545,536 | $37,299,683,242 | +$18,472,626,836 | $65.97 | 793 |
| 2020 Q4 | 283,515,814 | $37,056,729,492 | +$13,767,157 | $130.77 | 798 |
| 2020 Q3 | 282,959,905 | $30,637,594,935 | -$317,032,455 | $108.27 | 738 |
| 2020 Q2 | 285,436,425 | $27,372,587,968 | +$381,078,431 | $95.81 | 708 |
| 2020 Q1 | 281,445,530 | $20,517,477,806 | -$345,413,125 | $72.88 | 671 |