Amphenol Corporation (APH) Ownership
APH ownership summary
as of October 17, 2026- Institutions
- 96.7% of shares outstanding
- Insiders
- 0.53% of shares outstanding
- Shares outstanding
- 2.47B
- Float
- 2.45B shares available to trade
- Short interest
- 1.40% 30.6M shares short
- Days to cover
- 2.47 short interest up 12.9% vs prior month
- Institutions 96.73%
- Insiders 0.53%
- Other investors 2.73%
APH top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 4.11% | 101.3M | $8.03B | −714,028 (−0.7%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 3.26% | 80.3M | $6.38B | +471,752 (+0.6%) | June 30, 2026 |
| 3 | FMR Inc | 2.86% | 70.6M | $5.60B | −8.9M (−11.2%) | June 30, 2026 |
| 4 | State Street Corp | 2.41% | 59.5M | $4.72B | +2.1M (+3.7%) | June 30, 2026 |
| 5 | Capital Research & Mgmt Co - Division 3 | 1.75% | 43.0M | $3.41B | +7.7M (+21.8%) | June 30, 2026 |
| 6 | JPMorgan Chase & Co | 1.59% | 39.2M | $3.11B | −10.1M (−20.4%) | June 30, 2026 |
| 7 | Vanguard Portfolio Management, LLC | 1.45% | 35.7M | $2.83B | −161,388 (−0.5%) | June 30, 2026 |
| 8 | T. Rowe Price Associates, Inc. | 1.30% | 32.0M | $2.54B | +5.8M (+22.2%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 1.26% | 31.1M | $2.47B | −227,133 (−0.7%) | June 30, 2026 |
| 10 | Capital Research Global Investors | 1.20% | 29.5M | $2.34B | +2.9M (+10.7%) | June 30, 2026 |
| 11 | Morgan Stanley - Brokerage Accounts | 0.83% | 20.6M | $1.63B | +3.1M (+17.5%) | June 30, 2026 |
| 12 | NORGES BANK | 0.78% | 19.2M | $1.52B | −3.4M (−15.0%) | June 30, 2026 |
| 13 | Wellington Management Company LLP | 0.67% | 16.6M | $1.32B | +1.6M (+10.5%) | June 30, 2026 |
| 14 | Bank of America Corp | 0.66% | 16.2M | $1.29B | −4.5M (−21.6%) | June 30, 2026 |
| 15 | Nuveen, LLC | 0.61% | 15.1M | $1.20B | +1.9M (+14.8%) | June 30, 2026 |
| 16 | Bank of New York Mellon Corp | 0.59% | 14.6M | $1.16B | −1.7M (−10.7%) | June 30, 2026 |
| 17 | Northern Trust Corp | 0.55% | 13.5M | $1.07B | −14,380 (−0.1%) | June 30, 2026 |
| 18 | Arrowstreet Capital Limited Partnership | 0.48% | 11.9M | $943.2M | +1,576 (+0.0%) | June 30, 2026 |
| 19 | The Goldman Sachs Group Inc | 0.44% | 10.8M | $854.4M | −639,796 (−5.6%) | June 30, 2026 |
| 20 | Massachusetts Financial Services Company | 0.43% | 10.5M | $834.9M | −3.4M (−24.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 25.5M shares and 11 cut 33.8M.
APH top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock ICS USD Ultr Shrt Bd Core Acc | 3.04% | 75.0M | $5.95B | +75.0M (0.0%) | July 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.59% | 39.1M | $3.10B | −76,458 (−0.2%) | August 31, 2026 |
| 3 | iShares Core S&P 500 ETF | 1.33% | 32.9M | $2.61B | −52,910 (−0.2%) | September 30, 2026 |
| 4 | Vanguard 500 Index Investor | 1.33% | 32.7M | $2.59B | +388,024 (+1.2%) | August 31, 2026 |
| 5 | State Street® SPDR® S&P 500® ETF | 1.23% | 30.2M | $2.40B | — | September 30, 2026 |
| 6 | Fidelity Contrafund | 0.76% | 18.6M | $1.48B | −163,705 (−0.9%) | August 31, 2026 |
| 7 | American Funds Growth Fd of Amer A | 0.75% | 18.6M | $1.47B | +1.4M (+8.4%) | June 30, 2026 |
| 8 | State Street®TechSelSectSPDR®ETF | 0.72% | 17.8M | $1.41B | +10,944 (+0.1%) | September 30, 2026 |
| 9 | Fidelity 500 Index | 0.65% | 16.0M | $1.27B | +61,335 (+0.4%) | August 31, 2026 |
| 10 | Vanguard MStar Growth Index Investor | 0.53% | 13.1M | $1.04B | −21,370 (−0.2%) | August 31, 2026 |
| 11 | iShares Russell 1000 Growth ETF | 0.37% | 9.2M | $730.1M | −6,314 (−0.1%) | September 30, 2026 |
| 12 | American Funds AMCAP A | 0.36% | 8.8M | $700.4M | +3.7M (+72.1%) | June 30, 2026 |
| 13 | Vanguard Information Technology ETF | 0.34% | 8.4M | $670.3M | −9,212 (−0.1%) | August 31, 2026 |
| 14 | American Funds New Perspective A | 0.30% | 7.5M | $592.0M | +770,914 (+11.5%) | June 30, 2026 |
| 15 | Vanguard Dividend Appreciation ETF | 0.28% | 7.0M | $552.6M | +3,375 (+0.0%) | August 31, 2026 |
| 16 | Vanguard Institutional Index I | 0.27% | 6.6M | $521.9M | −62,867 (−0.9%) | August 31, 2026 |
| 17 | State Street® SPDR® Port S&P 500® ETF | 0.26% | 6.5M | $514.5M | −4,368 (−0.1%) | September 30, 2026 |
| 18 | American Funds Washington Mutual A | 0.26% | 6.5M | $513.3M | +3.0M (+88.8%) | June 30, 2026 |
| 19 | American Funds Invmt Co of Amer A | 0.24% | 5.9M | $471.1M | — | June 30, 2026 |
| 20 | iShares Core S&P 500 ETF USD Acc | 0.24% | 5.9M | $466.0M | +1,356 (+0.0%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
APH insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-12 | Richard Adam Norwitt | Sell | $147.27 | 515,281 | $75.9M |
| 2025-12-02 | William J Doherty | Sell | $142.00 | 80,000 | $11.4M |
| 2025-11-11 | Craig A Lampo | Sell | $143.20 | 258,000 | $36.9M |
| 2025-11-11 | Craig A Lampo | Sell | $143.50 | 40,076 | $5.8M |
| 2025-11-03 | David M Silverman | Sell | $141.17 | 120,000 | $16.9M |
| 2025-10-29 | Lance E D'amico | Sell | $140.01 | 120,000 | $16.8M |
| 2025-10-29 | William J Doherty | Sell | $141.04 | 80,000 | $11.3M |
| 2025-10-24 | Luc Walter | Sell | $134.65 | 365,118 | $49.2M |
| 2025-09-23 | Val T. Hoyle | Sell | $125.59 | — | — |
| 2025-08-25 | David M Silverman | Sell | $110.42 | 100,000 | $11.0M |
| 2025-08-25 | Craig A Lampo | Sell | $110.56 | 40,076 | $4.4M |
| 2025-08-22 | Craig A Lampo | Sell | $110.43 | 199,848 | $22.1M |
| 2025-08-18 | Lance E D'amico | Sell | $110.60 | 100,000 | $11.1M |
| 2025-08-11 | William J. Doherty | Sell | $110.29 | 113,000 | $12.5M |
| 2025-08-08 | William J. Doherty | Sell | $108.89 | 113,000 | $12.3M |
| 2025-06-03 | Luc Walter | Sell | $91.43 | 286,000 | $26.1M |
| 2025-05-30 | David M Silverman | Sell | $89.09 | 100,000 | $8.9M |
| 2025-05-30 | William J. Doherty | Sell | $89.54 | 160,000 | $14.3M |
| 2025-05-29 | Michael R Ivas | Sell | $88.79 | 40,000 | $3.6M |
| 2025-05-02 | David M Silverman | Sell | $80.03 | 87,500 | $7.0M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
APH shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns APH
Institutional investors own 96.7% of Amphenol's shares and insiders 0.53%. The largest holder is BlackRock Inc with 4.11% of the shares (101.3M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 11 reduced their stake in the latest filings. Short interest is 1.40% of the float, or 2.47 days of average trading volume. The share count rose 103.1% since 2014.
Related: APH analyst forecast, APH key metrics, APH dividend history. See the APH stock overview for the latest quote and news.
APH ownership FAQ
Who owns the most Amphenol stock?
The largest shareholders of Amphenol are BlackRock Inc (4.11%), Vanguard Capital Management, LLC (3.26%), FMR Inc (2.86%), State Street Corp (2.41%), Capital Research & Mgmt Co - Division 3 (1.75%).
What percentage of Amphenol is owned by institutions?
Institutions hold 96.7% of Amphenol's shares outstanding; insiders hold 0.53%.
Which funds own Amphenol?
The largest fund holders of Amphenol are BlackRock ICS USD Ultr Shrt Bd Core Acc (3.04%), Vanguard MStar Total Stk Mkt Idx Invest (1.59%), iShares Core S&P 500 ETF (1.33%), Vanguard 500 Index Investor (1.33%), State Street® SPDR® S&P 500® ETF (1.23%).
What is Amphenol's short interest?
30.6M shares of Amphenol were sold short, 1.40% of the float; at the average daily volume it would take 2.47 days to cover.
Are insiders buying or selling Amphenol?
Of the latest 20 reported insider transactions in Amphenol (since May 2, 2025), 0 were purchases and 20 were sales.
How many shares of Amphenol are outstanding?
Amphenol has 2.47B shares outstanding, of which 2.45B are in the public float.