$APH

$75.28 +$1.19 (1.6%) Live

$APH Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 1.23B shares outstanding

Who owns APH?

By type of holder

Institutions 94.7% Insiders 0.0% Everyone else 5.3%

Concentration Top 10 holders own 42.4%

BlackRock, Inc. 8.2% · Vanguard Capital Management LLC 6.5%

Institutional ownership

94.7%

+1.1 pts vs last qtr

Institutional holders

2,330

+194 vs last qtr

Net shares bought

+13.7M

by institutions in Q2 2026

New / sold out

378 / 184

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +19.2M
Jupiter Topco LLC NEW +9.1M

Biggest sellers in Q2 2026

Jpmorgan Chase & Co −10.1M
Janus Henderson Group PLC SOLD OUT −9.5M

Who is planning to sell?

Notices of proposed sale, last 12 months

$432M

20 notices from 10 people

Shares covered

2.8M

0.23% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Richard Adam Norwitt Officer $175M
Craig Lampo Officer $84.3M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+1.3%

+0.15% a year

Each share's claim on the business

−1.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$6.45B vs $803M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years82% 3–5 years3% 1–3 years7% Under 1 year7%

Quarterly turnover

9.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting APH on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	101.3M	8.21%	−714.0K (−0.7%)	≤2021	0.3%
Shares held by quarter Peak holding106.1M (Q4'25) Change over 8 quarters+8.1M Share of the company8.210% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	80.3M	6.52%	+471.8K (+0.6%)	≤2021	0.3%
Shares held by quarter Peak holding80.3M (Q2'26) Change over 8 quarters+80.3M Share of the company6.520% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

101.3M

% of company

8.21%

Change vs last qtr

−714.0K (−0.7%)

Held since

≤2021

Vanguard Capital Management LLC

80.3M

% of company

6.52%

Change vs last qtr

+471.8K (+0.6%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Amphenol Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting APH on Form N-PORT; together they hold 38.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$6.89B	39.1M	3.17%	0.30%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$5.62B	31.9M	2.59%	0.34%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$6.89B

% of company

3.17%

% of the fund

0.30%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$5.62B

% of company

2.59%

% of the fund

0.34%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Amphenol Corp and how much of the fund the position is.

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