Amphenol Corporation (APH) Stock
NYSEAPH has an Alpha Score of 43 out of 100 (weak), computed on Oct 26, 2026 from 3 of 4 sub-scores. 12 members of Congress disclosed 19 trades in APH since 2014: 12 purchases and 7 sales, most recently Gilbert Cisneros (purchase, Aug 18, 2026). 9 of the hedge funds AlphaScala tracks reported APH in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Millennium Management's at $147.80M. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Oct 30, 2026. Its trailing P/E ratio is 38.4 and its net margin 17.7% (key statistics as of Oct 22, 2026).
What is APH's Alpha Score?
How it works →Alpha Score of 43 reflects weak overall profile with weak momentum, poor value, strong quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Oct 26, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded Amphenol Corporation (APH)?
Most recent: Gilbert Cisneros (purchase, Aug 18, 2026); records start Nov 10, 2014.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Gil Cisneros D-CA · House | 2026-08-18 | purchase | $1k – $15k |
| Dan Newhouse R-WA · House | 2026-07-10 | purchase | $1k – $15k |
| Rick Larsen D-WA · House | 2026-07-08 | purchase | $1k – $15k |
| Alan Armstrong R-OK · Senate | 2026-03-27 | purchase | $1k – $15k |
| Val Hoyle D-OR · House | 2025-09-23 | sale | $1k – $15k |
| Byron Donalds R-FL · House | 2025-04-10 | purchase | $1k – $15k |
| Rob Bresnahan R-PA · House | 2025-04-08 | purchase | $1k – $15k |
| James Comer R-KY · House | 2025-01-02 | purchase | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Oct 29, 2026. Senate records here end Oct 21, 2026; later Senate trades are not included.
Every member of Congress who traded APH, with filing lags →Which hedge funds own APH?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Millennium Management Israel Englander | 838K | $147.80M | -64% |
| Citadel Ken Griffin | 784K | $138.17M | -24% |
| Bridgewater Associates Ray Dalio | 698K | $123.00M | -19% |
| Atreides Management Gavin Baker | 640K | $112.86M | NEW |
| Point72 Steve Cohen | 619K | $109.12M | NEW |
| D.E. Shaw David Shaw | 372K | $65.59M | +20% |
| Renaissance Technologies Jim Simons (founder) | 152K | $26.80M | -74% |
| Marshall Wace | 109K | $19.25M | -95% |
| Blackstone | 20K | $3.45M | +38% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are Amphenol Corporation insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 5, 26 | Silverman David M | EVP, Human Resources | SELL | 120.0K | $20.9M |
| Aug 4, 26 | Lampo Craig A | EVP& CFO | SELL | 193.2K | $32.3M |
| Aug 3, 26 | D'Amico Lance E | EVP, Secretary & GenCounsel | SELL | 50.0K | $8.1M |
| Aug 3, 26 | D'Amico Lance E | EVP, Secretary & GenCounsel | SELL | 40.0K | $6.5M |
| Aug 3, 26 | D'Amico Lance E | EVP, Secretary & GenCounsel | SELL | 10.0K | $1.6M |
| Jul 31, 26 | Norwitt Richard Adam | President & CEO | SELL | 500.0K | $80.8M |
| Jul 31, 26 | Norwitt Richard Adam | President & CEO | SELL | 186.1K | $30.2M |
| Feb 18, 26 | Lampo Craig A | Executive VP & CFO | SELL | 100.0K | $15.0M |
| Feb 18, 26 | D'Amico Lance E | See Remarks | SELL | 50.0K | $7.5M |
| Feb 12, 26 | Norwitt Richard Adam | President & CEO | SELL | 515.3K | $75.9M |
SEC Form 4 filings as of Oct 30, 2026
See cluster-buy signals across all tickers →What are APH's key statistics?
Key statistics as of Oct 22, 2026
How does APH's valuation compare with the Technology sector?
| Metric | APH | Technology median | Companies in median |
|---|---|---|---|
| P/E ratio | 38.4 | 33.2 | 164 |
| Net margin | 17.73% | 11.67% | 186 |
| Return on equity | 37.14% | 15.47% | 189 |
| Dividend yield (payers) | 0.97% | 1.42% | 70 |
Medians over the Technology stocks whose key statistics were refreshed in the last 35 days (newest Nov 2, 2026). P/E excludes loss-making companies.
APH price chart
Powered by TradingViewWhat does Amphenol Corporation do?
Amphenol Corporation is a leading designer, manufacturer, and marketer of electrical, electronic, and fiber optic connectors serving diverse industries worldwide. The company operates through three main segments: Harsh Environment Solutions, which provides specialized connectors for extreme conditions in aerospace, defense, and industrial applications; Communications Solutions, focusing on high-speed interconnects for telecommunications, data centers, and networking equipment; and Interconnect and Sensor Systems, offering sensors, antennas, and custom interconnect products for automotive, mobile devices, and medical sectors. Amphenol Corporation's products enable reliable signal transmission, power delivery, and data connectivity in mission-critical environments, supporting applications from consumer electronics to harsh industrial settings. With a strong global presence, particularly in the United States and China, the company caters to original equipment manufacturers, electronic manufacturing services providers, and end markets including military, mobile, automotive, and industrial. Founded in 1932 and headquartered in Wallingford, Connecticut, Amphenol Corporation plays a vital role in the interconnect solutions market, facilitating advanced technology integration across multiple sectors.