Amphenol Corp. Class AAPH

13F holders, Q4 2025 (December 31)
2,058holders +229
213new positions
79sold out
12famous investors
$126.82avg. 13F price*

At the end of Q4 2025, 2,058 institutions reported holding Amphenol Corp. Class A (APH) in their 13F filings, up 229 from Q3 2025. 213 opened new positions and 79 sold out. The largest holders were Vanguard Group Inc. ($17.1B), BlackRock, Inc. ($14.3B) and FMR LLC ($11.7B). 12 famous investors held it, including Stephen Mandel (2.8% of Lone Pine Capital's portfolio), Ron Baron (0.6% of Baron Capital (BAMCO)'s portfolio) and Ray Dalio (0.4% of Bridgewater Associates's portfolio).

Company
Amphenol Corp. Class A
Sector
Technology
CUSIP
032095101
Latest filing quarter
Q2 2026

History

Number of 13F holders

05001,0001,5002,0002,500 Q1 2024: 1,155Q1 2024Q2 2024: 1,297Q2 2024Q3 2024: 1,293Q3 2024Q4 2024: 1,405Q4 2024Q1 2025: 1,427Q1 2025Q2 2025: 1,648Q2 2025Q3 2025: 1,829Q3 2025Q4 2025: 2,058Q4 2025Q1 2026: 2,133Q1 2026Q2 2026: 2,338Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions213$1.3B
Exits79$325.2M

All 13F filers, Q3 2025 → Q4 2025: 165,074,929 shares bought and 94,069,559 shares sold, net +71,005,370 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 2,058 holders

Vanguard Group Inc. 0.25% Add +1.1% 126,553,498 $17.1B
BlackRock, Inc. 0.24% Add +5.3% 106,137,606 $14.3B
FMR LLC 0.60% Reduce -13.4% 86,420,795 $11.7B
State Street Corp. 0.26% Add +1.6% 56,913,598 $7.7B
T. Rowe Price Associates Inc. 0.55% Reduce -13.9% 37,923,065 $5.1B
JPMorgan Chase & Co. 0.31% Add +102.7% 34,325,148 $4.6B
Geode Capital Management, LLC 0.25% Add +2.5% 30,318,652 $4.1B
Capital International Investors 0.50% Add +31.5% 23,680,749 $3.2B
Norges Bank 0.33% — 22,585,063 $3.1B
Bank of America Corp. 0.22% Reduce -3.0% 21,957,452 $3.0B
Morgan Stanley 0.15% Add +0.4% 18,185,947 $2.5B
Bank of New York Mellon Corp 0.42% Reduce -26.2% 17,710,133 $2.4B
Capital Research Global Investors 0.41% Add +6.0% 16,456,876 $2.2B
Massachusetts Financial Services Co. 0.69% Reduce -14.2% 15,913,076 $2.2B
Northern Trust Corp. 0.23% Add +4.6% 13,510,266 $1.8B
Wellington Management Group LLP 0.29% Add +40.4% 12,420,002 $1.7B
Arrowstreet Capital, Limited Partnership 0.94% Add +62.9% 11,858,355 $1.6B
Franklin Resources Inc. 0.39% Reduce -10.8% 11,462,227 $1.5B
Royal Bank of Canada 0.25% Reduce -7.8% 10,637,754 $1.4B
Jennison Associates LLC 0.83% Add +340.8% 10,257,379 $1.4B
T. Rowe Price Investment Management, Inc. 0.87% Reduce -16.7% 10,162,140 $1.4B
Janus Henderson Group PLC 0.60% Reduce -2.1% 9,904,627 $1.3B
Invesco Ltd. 0.11% Reduce -1.3% 8,950,722 $1.2B
Goldman Sachs Group Inc. 0.16% Reduce -29.9% 8,541,196 $1.2B
Victory Capital Management Inc. 0.65% Add +15.2% 8,462,907 $1.1B
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.24% Add +3.7% 8,374,767 $1.1B
Legal & General Group Plc 0.25% Reduce -0.2% 8,314,178 $1.1B
Nuveen, LLC 0.28% Add +0.1% 7,799,973 $1.1B
Flossbach Von Storch SE 3.90% Reduce -17.3% 7,280,823 $983.9M
Charles Schwab Investment Management Inc. 0.15% Add +1.0% 7,238,100 $978.2M
Neuberger Berman Group LLC 0.67% Add +11.8% 6,696,732 $905.0M
Wells Fargo & Company 0.18% Add +2.2% 6,691,085 $904.2M
Alecta Tjanstepension Omsesidigt 3.98% Reduce -20.6% 6,690,000 $904.2M
Deutsche Bank AG 0.29% Add +4.6% 6,495,823 $877.8M
American Century Companies Inc. 0.40% Add +143.4% 5,833,175 $788.3M
Amundi 0.24% Add +0.2% 5,777,061 $780.7M
Voya Investment Management LLC 0.86% Add +10.4% 5,637,864 $761.9M
Envestnet Asset Management Inc. 0.22% Reduce -9.8% 5,445,331 $735.9M
Alliancebernstein L.P. 0.22% Reduce -28.1% 5,174,320 $699.3M
Barclays PLC 0.28% Reduce -24.5% 5,106,751 $690.1M
Mawer Investment Management Ltd. 3.85% Reduce -14.0% 5,085,546 $687.3M
Sumitomo Mitsui Trust Group, Inc. 0.40% Reduce -5.3% 5,066,461 $684.7M
UBS Group AG 0.12% Add +20.2% 4,578,990 $618.8M
Swedbank AB 0.55% Reduce -9.5% 4,174,490 $564.1M
California Public Employees Retirement System 0.32% Add +4.2% 4,137,018 $559.1M
TD Asset Management Inc 0.44% Add +105.7% 4,088,713 $552.5M
Axiom Investors LLC 4.74% Add +34.4% 3,994,417 $539.8M
Lazard Asset Management LLC 0.86% Reduce -39.3% 3,752,993 $507.2M
Alkeon Capital Management LLC 2.21% Reduce -8.8% 3,744,603 $506.0M
Winslow Capital Management, LLC 1.68% Reduce -16.5% 3,702,170 $501.7M
Egerton Capital (UK) LLP 5.45% Reduce -3.0% 3,707,911 $501.1M
Stifel Financial Corp. 0.44% Reduce -8.7% 3,651,629 $493.5M
AQR Capital Management 0.25% Reduce -5.8% 3,587,990 $484.9M
Dimensional Fund Advisors LP 0.10% Reduce -2.0% 3,513,336 $474.8M
Swiss National Bank 0.27% Reduce -4.0% 3,345,700 $452.1M
National Pension Service 0.32% Reduce -3.5% 3,240,850 $438.0M
Edgewood Management LLC 2.01% New 3,121,475 $421.8M
Natixis Advisors, LLC 0.58% Reduce -10.5% 3,015,251 $407.5M
Raymond James Financial Inc. 0.12% Add +7.7% 2,969,286 $401.3M
Rathbones Group PLC 1.50% Reduce -4.3% 2,839,137 $383.7M
CIBC Private Wealth Group LLC 0.65% Reduce -2.2% 2,831,577 $382.7M
Lone Pine Capital 2.79% Reduce -7.1% 2,809,773 $379.7M
Allianz Asset Management GmbH 0.43% Reduce -12.1% 2,782,354 $376.0M
Principal Financial Group Inc. 0.19% Add +2.6% 2,750,490 $371.7M
Mitsubishi UFJ Asset Management Co., Ltd. 0.25% Add +4.2% 2,632,683 $367.8M
Blair William & Co. 0.96% Reduce -3.5% 2,653,891 $358.6M
Alphinity Investment Management Pty Ltd 3.52% Reduce -27.8% 2,570,287 $347.3M
Vontobel Holding Ltd. 1.12% Reduce -33.4% 2,505,597 $338.6M
Rhumbline Advisers 0.26% Reduce -1.5% 2,340,644 $316.3M
HSBC Holdings PLC 0.18% Reduce -6.1% 2,303,048 $311.5M
Sei Investments Co. 0.31% Reduce -6.4% 2,300,501 $310.9M
Los Angeles Capital Management LLC 1.05% Reduce -14.3% 2,222,315 $309.1M
Local Pensions Partnership Investment Ltd 5.34% Reduce -20.5% 2,244,600 $303.4M
Bank of Montreal 0.11% Add +4.9% 2,041,352 $275.9M
Mackenzie Financial Corp. 0.32% Reduce -0.1% 1,960,557 $266.5M
California State Teachers Retirement System 0.26% Reduce -0.6% 1,917,365 $259.1M
Man Group plc 0.49% Add +53.6% 1,879,486 $254.0M
Alyeska Investment Group, L.P. 0.71% New 1,852,061 $250.3M
AustralianSuper Pty Ltd 1.13% Add +12.9% 1,803,292 $243.7M
Kayne Anderson Rudnick Investment Management LLC 0.64% Reduce -16.3% 1,773,582 $239.7M
Allspring Global Investments Holdings, LLC 0.39% Add +70.5% 1,710,772 $239.0M
Ameriprise Financial Inc. 0.05% Reduce -11.0% 1,787,743 $236.8M
Schroder Investment Management Group 0.18% Add +27.7% 1,707,010 $232.5M
Baron Capital (BAMCO) 0.63% Reduce -9.5% 1,710,742 $231.2M
Worldquant Millennium Advisors LLC 0.88% New 1,677,460 $226.7M
Agf Management Ltd. 0.99% Reduce -39.1% 1,671,695 $225.9M
Navera Investment Management Ltd. 4.75% Reduce -5.1% 1,666,303 $225.2M
Fenimore Asset Management Inc 4.69% Reduce -18.8% 1,665,809 $225.1M
Lord, Abbett & Co. LLC 0.70% Reduce -3.0% 1,622,989 $219.3M
Citigroup Inc. 0.15% Add +14.5% 1,597,505 $215.9M
Canada Pension Plan Investment Board 0.14% Add +57.4% 1,564,378 $211.4M
James Hambro & Partners LLP 7.55% Reduce -14.2% 1,564,098 $211.4M
LPL Financial LLC 0.06% Add +45.8% 1,534,970 $207.4M
Maren Capital LLC 10.89% Reduce -3.3% 1,498,116 $202.5M
USS Investment Management Ltd 1.00% Add +4.4% 1,490,401 $201.4M
Russell Investments Group, Ltd. 0.21% Add +23.8% 1,427,822 $193.1M
Glenmede Trust Co. NA 0.90% — 1,410,650 $190.6M
Universal- Beteiligungs- und Servicegesellschaft mbH 0.31% Add +9.2% 1,397,847 $189.3M
BNP Paribas Financial Markets 0.12% Add +19.6% 1,390,917 $188.0M
Stonehage Fleming Financial Services Holdings Ltd 5.77% Reduce -20.5% 1,389,295 $187.7M

"% of holder's portfolio" is APH's weight in each manager's 13F, not the share of Amphenol Corp. Class A the manager owns.

Show all 2,058 holders