Amphenol Corp /De/ (APH) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

1,285,483,871Shares Outstanding

3,840,021Shares held by institutions

$570,511,920Value of institutional holdings

91.11%Institutional ownership %

9.88%Shares Changed QoQ

1,939No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Amphenol Corp /De/ (NYSE:APH) includes 1939 filers as of the latest reporting cycle ending December 2025.

The collective stake of institutional investors in Amphenol moved to 91.1% in December 2025, a shift up from the 89.6% reported for September 2025.
The company experienced a 9.88% quarterly change in institutional shares held, alongside an increase of 39.60% in total owners annually.
Of these 1939 institutional investors, 1041 increased their holdings in Amphenol, while 726 of them reduced positions, and 172 investors maintained their exposure.
The total number of shares held by institutions in Amphenol increased to 1.17Bn as of December 2025, a net change of up by 105.29Mn shares quarter on quarter, and up 30.16Mn shares year over year.
VANGUARD GROUP INC continues to be the largest institutional holder of Amphenol as of December 31, 2025, with a position of 126.55Mn shares, representing 9.84% of the company's outstanding stock.
Among the most significant buyers of Amphenol during December 2025 were J. Stern & Co. LLP (75.96Mn), NORGES BANK (22.59Mn), JPMORGAN CHASE & CO (17.39Mn), JENNISON ASSOCIATES LLC (7.93Mn), Capital International Investors (5.67Mn).
Leading sellers of Amphenol stock in December 2025 included FMR LLC (13.40Mn), Bank of New York Mellon Corp (6.29Mn), T. Rowe Price Investment Management, Inc. (5.31Mn), GOLDMAN SACHS GROUP INC (3.54Mn), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (2.62Mn).
The top 10 institutional holders of Amphenol for the quarter ending December 2025 included VANGUARD GROUP INC (126.55Mn), BlackRock, Inc. (106.14Mn), FMR LLC (86.42Mn), J. Stern & Co. LLP (76.77Mn), STATE STREET CORP (56.91Mn), JPMORGAN CHASE & CO (34.33Mn), GEODE CAPITAL MANAGEMENT, LLC (30.32Mn), Capital International Investors (23.68Mn), NORGES BANK (22.59Mn), BANK OF AMERICA CORP /DE/ (21.96Mn).

1,939 Institutional Holders

3,840,021 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	126,553,498	1,322,682	1.06%	$17,102,439,720.00
BlackRock, Inc.	31 Dec, 2025	106,137,606	5,289,506	5.25%	$14,343,436,010.00
FMR LLC	31 Dec, 2025	86,420,795	-13,395,833	-13.42%	$11,678,906,249.00
J. Stern & Co. LLP	31 Dec, 2025	76,769,791	75,964,718	9,435.76%	$76,769,791.00
STATE STREET CORP	31 Dec, 2025	56,913,598	888,526	1.59%	$7,705,440,359.00
JPMORGAN CHASE & CO	31 Dec, 2025	34,325,148	17,391,036	102.70%	$4,638,700,929.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	30,318,652	748,813	2.53%	$4,087,372,295.00
Capital International Investors	31 Dec, 2025	23,680,749	5,674,225	31.51%	$3,200,275,744.00
NORGES BANK	31 Dec, 2025	22,585,063	22,585,063	0.00%	$3,052,145,414.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	21,957,452	-688,717	-3.04%	$2,967,330,084.00
MORGAN STANLEY	31 Dec, 2025	18,185,947	64,649	0.36%	$2,457,649,369.00
Bank of New York Mellon Corp	31 Dec, 2025	17,710,133	-6,290,275	-26.21%	$2,393,347,233.00
Capital Research Global Investors	31 Dec, 2025	16,456,876	933,791	6.02%	$2,223,993,946.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	15,913,076	-2,623,367	-14.15%	$2,150,493,090.00
NORTHERN TRUST CORP	31 Dec, 2025	13,510,266	592,868	4.59%	$1,825,777,350.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	12,420,002	3,576,596	40.44%	$1,678,439,071.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	11,858,355	4,578,898	62.90%	$1,602,538,095.00
FRANKLIN RESOURCES INC	31 Dec, 2025	11,462,227	-1,385,011	-10.78%	$1,549,005,384.00
ROYAL BANK OF CANADA	31 Dec, 2025	10,637,754	-905,046	-7.84%	$1,437,586,000.00
JENNISON ASSOCIATES LLC	31 Dec, 2025	10,257,379	7,930,532	340.83%	$1,386,182,252.00

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