Company · Ownership research

AMPHENOL CORP /DE/ APH

CIK 0000820313 · CUSIP 032095101

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 032095101 (APH), not CUSIP 032095901 (APH), CUSIP 032095951 (APH), and does not merge CUSIPs.

This page lists the top 20 of 1,830 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	VANGUARD GROUP INC CIK 102909 · View history	$15.50B 125,230,816 shares	0.23%	-15.30M(-10.90%)Reduced	SEC filing ↗ Nov 7, 2025	▾
02	BlackRock, Inc. CIK 2012383 · View history	$12.48B 100,848,100 shares	0.22%	+6.29M(+6.70%)Added	SEC filing ↗ Nov 12, 2025	▾
03	FMR LLC CIK 315066 · View history	$12.35B 99,816,628 shares	0.64%	-8.85M(-8.10%)Reduced	SEC filing ↗ Nov 13, 2025	▾
04	STATE STREET CORP CIK 93751 · View history	$6.94B 56,025,072 shares	0.24%	+676.80K(+1.20%)Added	SEC filing ↗ Nov 14, 2025	▾
05	PRICE T ROWE ASSOCIATES INC /MD/ CIK 80255 · View history	$5.45B 44,071,827 shares	0.58%	+2.40M(+5.80%)Added	SEC filing ↗ Nov 14, 2025	▾
06	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$3.65B 29,569,839 shares	0.23%	+1.06M(+3.70%)Added	SEC filing ↗ Nov 12, 2025	▾
07	Bank of New York Mellon Corp CIK 1390777 · View history	$2.97B 24,000,408 shares	0.53%	-4.28M(-15.10%)Reduced	SEC filing ↗ Nov 3, 2025	▾
08	BANK OF AMERICA CORP /DE/ CIK 70858 · Amended · View history	$2.80B 22,646,169 shares	0.21%	-237.93K(-1.00%)Reduced	SEC filing ↗ Feb 3, 2026	▾
09	MASSACHUSETTS FINANCIAL SERVICES CO /MA/ CIK 912938 · View history	$2.29B 18,536,443 shares	0.71%	-1.60M(-7.90%)Reduced	SEC filing ↗ Oct 29, 2025	▾
10	MORGAN STANLEY CIK 895421 · Amended · View history	$2.24B 18,121,298 shares	0.14%	-1.46M(-7.40%)Reduced	SEC filing ↗ May 27, 2026	▾
11	Capital International Investors CIK 1562230 · View history	$2.23B 18,006,524 shares	0.36%	+14.71M(+446.90%)Added	SEC filing ↗ Nov 13, 2025	▾
12	JPMORGAN CHASE & CO CIK 19617 · Amended · View history	$2.10B 16,934,112 shares	0.13%	+1.87M(+12.40%)Added	SEC filing ↗ Nov 26, 2025	▾
13	Capital Research Global Investors CIK 1422848 · View history	$1.92B 15,523,085 shares	0.36%	+8.02M(+106.90%)Added	SEC filing ↗ Nov 13, 2025	▾
14	NORTHERN TRUST CORP CIK 73124 · View history	$1.60B 12,917,398 shares	0.20%	-16.37K(-0.10%)Reduced	SEC filing ↗ Nov 14, 2025	▾
15	FRANKLIN RESOURCES INC CIK 38777 · View history	$1.58B 12,847,238 shares	0.40%	+300.23K(+2.40%)Added	SEC filing ↗ Nov 13, 2025	▾
16	T. Rowe Price Investment Management, Inc. CIK 1897612 · View history	$1.51B 12,203,497 shares	0.92%	-9.52M(-43.80%)Reduced	SEC filing ↗ Nov 14, 2025	▾
17	GOLDMAN SACHS GROUP INC CIK 886982 · View history	$1.51B 12,175,931 shares	0.22%	+4.18M(+52.30%)Added	SEC filing ↗ Nov 14, 2025	▾
18	ROYAL BANK OF CANADA CIK 1000275 · View history	$1.43B 11,542,800 shares	0.25%	-1.60M(-12.20%)Reduced	SEC filing ↗ Nov 14, 2025	▾
19	JANUS HENDERSON GROUP PLC CIK 1274173 · View history	$1.25B 10,120,199 shares	0.57%	-75.99K(-0.70%)Reduced	SEC filing ↗ Nov 14, 2025	▾
20	Invesco Ltd. CIK 914208 · View history	$1.12B 9,065,058 shares	0.18%	+1.14M(+14.40%)Added	SEC filing ↗ Nov 13, 2025	▾

Showing 20 / 1,830 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

1,830

Cancelled or null records excluded

Disclosed shares

1,139,706,895

Not deduplicated across managers

Disclosed value

$141.02B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

AMPHENOL CORP /DE/ · Q3 2025

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Sources, coverage & how to read this data

Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.