Amphenol Corporation· APH

🇺🇸 US · LargeSP500NYSE

TechnologyHardware, Equipment & PartsWebsite

Price: $167.11
Day: +0.82%
Mkt Cap: $206.04B
52W Range: $104.71 – $178.52
Volume: 4.48M
Beta: 1.25

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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Amphenol Corporation

APH|Technology|Hardware, Equipment & Parts

Current price: $167

Smart Money

Dimension 5 of 5

Insider Activity, Q3 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$173.9M

Net share flow-1.1M

Purchases0 ($0)

Sales6 ($173.9M)

Top Notable Transactions

Insider

Type

Value

Date

NORWITT RICHARD ADAM

Sale

$151.5M

Apr 25

NORWITT RICHARD ADAM

Sale

$80.8M

Jul 31

NORWITT RICHARD ADAM

Sale

$75.9M

Feb 12

Institutional Ownership, Q2 2026

Ownership share, position changes, share flow, and top holders

Ownership96.4%

13F share flow+29.2%

Investors holding2.3K

+1700 adding-969 reducing

370

1330

762

New 370Inc 1330Red 762Closed 207

Top Institutional Holders

Institution

Value

Change

BLACKROCK, INC.

$17.9B

-0.7%

VANGUARD CAPITAL MANAGEMENT LLC

$14.2B

+0.6%

FMR LLC

$12.4B

-11.2%

STATE STREET CORP

$10.5B

+3.7%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting305

Total shares held195.8M

Share flow-10.9%

116 buying91 selling

116

Buying 116Unchanged 98Selling 91

Top Fund Holders

Fund

Weight

Change

LINCOLN VARIABLE INSURANCE PRODUCTS TRUST

538.3K

0.04%

-39.7K

PACIFIC SELECT FUND

474.5K

0.05%

-156.1K

WILLIAM BLAIR FUNDS

268.7K

0.14%

+86.2K

ADAMS DIVERSIFIED EQUITY FUND, INC.

90.4K

21.68%

-43.5K

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated August 17, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

APH Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.7/5

Bullish

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+66

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 3.7/5 (Bullish) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 16, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for APH

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q3 2026

6 sales totaling $173.9M (1.1M shares)

Share volume is at a routine pace (0.9x average)

Buying seen in 1 of 7 quarters

Notable Recent Transactions, APH

Top 8 highest-value recent insider trades

NORWITT RICHARD ADAM

CEO

Sell

2,000,000 shares at $75.73

Apr 25, 2025$151.46M

NORWITT RICHARD ADAM

CEO

Sell

500,000 shares at $161.57

Jul 31, 2026$80.79M

NORWITT RICHARD ADAM

CEO

Sell

515,281 shares at $147.27

Feb 12, 2026$75.88M

NORWITT RICHARD ADAM

CEO

Sell

900,672 shares at $68.81

Oct 29, 2024$61.97M

NORWITT RICHARD ADAM

CEO

Sell

650,000 shares at $87.43

Jul 28, 2023$56.83M

NORWITT RICHARD ADAM

CEO

Sell

650,000 shares at $81.72

Feb 3, 2023$53.12M

NORWITT RICHARD ADAM

CEO

Sell

750,000 shares at $64.54

Jul 26, 2024$48.40M

NORWITT RICHARD ADAM

CEO

Sell

547,087 shares at $81.48

Dec 3, 2021$44.58M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for APH

Total dollar value invested by institutions each quarter

Very Bullish

Institutions accumulating in Q2 2026

96.4% institutional ownership

Moderate accumulation: 1700 adding vs 969 reducing

13F shares increased by 2.7%, a notable change

Momentum improving from prior quarter

Position Changes

Q2 2026: how are institutions adjusting their positions?

+1700 growing-969 shrinkingNet: +731

370

1330

762

207

New (370)

Increased (1330)

Reduced (762)

Closed (207)

Top Institutional Holders, APH

Largest 8 institutional positions by ownership percentage as of Q2 2026

BLACKROCK, INC.

101.3M

$17.9B

Ownership

8.24%

-0.7%

VANGUARD CAPITAL MANAGEMENT LLC

80.3M

$14.2B

Ownership

6.54%

+0.6%

FMR LLC

70.6M

$12.4B

Ownership

5.74%

-11.2%

STATE STREET CORP

59.5M

$10.5B

Ownership

4.84%

+3.7%

CAPITAL INTERNATIONAL INVESTORS

43.0M

$7.6B

Ownership

3.50%

+21.8%

JPMORGAN CHASE & CO

39.2M

$6.5B

Ownership

3.19%

-20.4%

PRICE T ROWE ASSOCIATES INC /MD/

32.0M

$5.6B

Ownership

2.60%

+22.2%

GEODE CAPITAL MANAGEMENT, LLC

31.1M

$5.5B

Ownership

2.53%

-0.7%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 305 ETFs and mutual funds reporting

116 buying91 sellingNet: +25

116

Buying (116)

Unchanged (98)

Selling (91)

Bullish Signal

Funds accumulating in Q2 2026

305 ETFs and mutual funds reporting

116 buying vs 91 selling (balanced)

Top Fund Holders, APH

Largest 8 ETF and mutual fund positions by shares held as of latest filing

LINCOLN VARIABLE INSURANCE PRODUCTS TRUST

538.3K

Weight

0.04%

Decreased

PACIFIC SELECT FUND

474.5K

Weight

0.05%

Decreased

WILLIAM BLAIR FUNDS

268.7K

Weight

0.14%

Increased

ADAMS DIVERSIFIED EQUITY FUND, INC.

90.4K

Weight

21.68%

Decreased

Wall Street EWM Funds Trust

65.0K

Weight

139.25%

Increased

HOMESTEAD FUNDS INC

56.2K

Weight

1.05%

Increased

Advisors Preferred Trust

32.0K

Weight

0.40%

No change

Principal Exchange-Traded Funds

30.5K

Weight

0.10%

Increased

Amphenol Corporation· APH

Holdings Analysis

Insider Trading Activity

1.3Transaction History91Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings171Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History91Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings171Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights