Amphenol Corp. Class AAPH

13F holders, Q3 2025 (September 30)
1,829holders +181
263new positions
84sold out
12famous investors
$123.74avg. 13F price*

At the end of Q3 2025, 1,829 institutions reported holding Amphenol Corp. Class A (APH) in their 13F filings, up 181 from Q2 2025. 263 opened new positions and 84 sold out. The largest holders were Vanguard Group Inc. ($15.5B), BlackRock, Inc. ($12.5B) and FMR LLC ($12.4B). 12 famous investors held it, including Stephen Mandel (2.7% 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 Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions263$1.7B
Exits84$454.4M

All 13F filers, Q2 2025 → Q3 2025: 94,769,542 shares bought and 98,694,446 shares sold, net −3,924,904 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 1,829 holders

Vanguard Group Inc. 0.23% Reduce -10.9% 125,230,816 $15.5B
BlackRock, Inc. 0.22% Add +6.7% 100,848,100 $12.5B
FMR LLC 0.64% Reduce -8.1% 99,816,628 $12.4B
State Street Corp. 0.24% Add +1.2% 56,025,072 $6.9B
T. Rowe Price Associates Inc. 0.58% Add +5.8% 44,071,827 $5.5B
Geode Capital Management, LLC 0.23% Add +3.7% 29,569,839 $3.6B
Bank of New York Mellon Corp 0.53% Reduce -15.1% 24,000,408 $3.0B
Bank of America Corp. 0.21% Reduce -1.0% 22,646,169 $2.8B
Massachusetts Financial Services Co. 0.71% Reduce -7.9% 18,536,443 $2.3B
Morgan Stanley 0.14% Reduce -7.4% 18,121,298 $2.2B
Capital International Investors 0.36% Add +446.9% 18,006,524 $2.2B
JPMorgan Chase & Co. 0.13% Add +12.4% 16,934,112 $2.1B
Capital Research Global Investors 0.36% Add +106.9% 15,523,085 $1.9B
Northern Trust Corp. 0.20% Reduce -0.1% 12,917,398 $1.6B
Franklin Resources Inc. 0.40% Add +2.4% 12,847,238 $1.6B
T. Rowe Price Investment Management, Inc. 0.92% Reduce -43.8% 12,203,497 $1.5B
Goldman Sachs Group Inc. 0.22% Add +52.3% 12,175,931 $1.5B
Royal Bank of Canada 0.25% Reduce -12.2% 11,542,800 $1.4B
Janus Henderson Group PLC 0.57% Reduce -0.8% 10,120,199 $1.3B
Invesco Ltd. 0.18% Add +14.4% 9,065,058 $1.1B
Wellington Management Group LLP 0.19% Reduce -14.7% 8,843,406 $1.1B
Flossbach Von Storch SE 4.30% Reduce -11.4% 8,807,348 $1.1B
Alecta Tjanstepension Omsesidigt 4.65% No change 8,427,600 $1.0B
Legal & General Group Plc 0.23% Add +12.6% 8,334,138 $1.0B
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.22% Reduce -13.9% 8,077,388 $999.6M
Nuveen, LLC 0.26% Reduce -2.3% 7,790,681 $964.1M
Victory Capital Management Inc. 0.57% Reduce -14.2% 7,346,876 $963.1M
Arrowstreet Capital, Limited Partnership 0.57% Add +693.9% 7,279,457 $900.8M
Alliancebernstein L.P. 0.28% Reduce -10.4% 7,191,595 $890.0M
Charles Schwab Investment Management Inc. 0.14% Add +1.1% 7,168,444 $887.1M
Barclays PLC 0.31% Add +5.3% 6,764,998 $837.2M
Wells Fargo & Company 0.17% Add +5.4% 6,546,828 $810.2M
Deutsche Bank AG 0.26% Reduce -3.5% 6,211,298 $768.6M
Lazard Asset Management LLC 1.03% Reduce -5.2% 6,184,592 $765.3M
Envestnet Asset Management Inc. 0.21% Add +2.6% 6,034,166 $746.7M
Neuberger Berman Group LLC 0.54% Reduce -1.8% 5,991,466 $741.4M
Mawer Investment Management Ltd. 3.80% Reduce -20.4% 5,910,383 $731.4M
Amundi 0.23% Add +11.1% 5,763,353 $711.2M
Sumitomo Mitsui Trust Group, Inc. 0.38% Add +4.3% 5,352,684 $662.4M
Voya Investment Management LLC 0.72% Reduce -1.4% 5,108,325 $632.2M
Swedbank AB 0.58% Reduce -6.5% 4,614,212 $571.0M
Winslow Capital Management, LLC 1.81% Add +136124.2% 4,435,461 $548.9M
Alkeon Capital Management LLC 2.30% Add +53.7% 4,104,603 $507.9M
Stifel Financial Corp. 0.45% Reduce -27.8% 3,998,310 $494.8M
California Public Employees Retirement System 0.29% Reduce -15.0% 3,968,581 $491.1M
Egerton Capital (UK) LLP 4.99% Add +20.7% 3,823,422 $473.1M
UBS Group AG 0.09% Reduce -1.9% 3,810,163 $471.5M
AQR Capital Management 0.30% Add +23.2% 3,810,841 $468.5M
Vontobel Holding Ltd. 1.46% Add +33.5% 3,760,087 $465.3M
Dimensional Fund Advisors LP 0.10% Reduce -2.5% 3,584,260 $443.4M
Alphinity Investment Management Pty Ltd 4.30% Reduce -34.4% 3,560,384 $440.6M
Swiss National Bank 0.25% Reduce -5.0% 3,486,800 $431.5M
Natixis Advisors, LLC 0.61% Add +10.1% 3,369,846 $417.0M
National Pension Service 0.32% Add +2.3% 3,357,299 $415.5M
Allianz Asset Management GmbH 0.48% Reduce -19.1% 3,164,549 $391.6M
Lone Pine Capital 2.72% New 3,023,231 $374.1M
Axiom Investors LLC 2.71% New 2,971,135 $367.7M
Rathbones Group PLC 1.49% Reduce -9.6% 2,968,161 $367.3M
Holocene Advisors, LP 0.82% Reduce -25.0% 2,900,009 $358.9M
CIBC Private Wealth Group LLC 0.61% Reduce -1.0% 2,896,146 $358.4M
Local Pensions Partnership Investment Ltd 5.96% Reduce -6.8% 2,824,700 $349.6M
Raymond James Financial Inc. 0.11% Add +8.4% 2,756,672 $341.1M
Blair William & Co. 0.91% Reduce -7.4% 2,751,514 $340.5M
Agf Management Ltd. 1.51% Reduce -1.7% 2,743,740 $339.5M
Principal Financial Group Inc. 0.17% Reduce -2.2% 2,679,552 $331.6M
Los Angeles Capital Management LLC 1.09% Add +49.2% 2,593,777 $321.0M
Mitsubishi UFJ Asset Management Co., Ltd. 0.23% Add +5.4% 2,526,625 $312.7M
Sei Investments Co. 0.33% Add +117.5% 2,457,781 $304.2M
HSBC Holdings PLC 0.18% Add +28.0% 2,452,367 $302.3M
Madison Asset Management, LLC 3.33% Reduce -1.4% 2,442,702 $302.3M
American Century Companies Inc. 0.15% Reduce -0.4% 2,396,162 $296.5M
Rhumbline Advisers 0.24% Reduce -2.8% 2,377,168 $294.2M
Jennison Associates LLC 0.17% New 2,326,847 $287.9M
Citadel Advisors 0.22% Reduce -2.0% 2,209,106 $273.4M
Kayne Anderson Rudnick Investment Management LLC 0.64% Reduce -17.4% 2,118,518 $262.2M
Bank Julius Baer & Co. Ltd, Zurich 0.73% Reduce -1.2% 2,096,338 $259.4M
Millennium Management 0.21% Reduce -14.6% 2,064,803 $255.5M
Fenimore Asset Management Inc 5.09% Reduce -10.4% 2,050,259 $253.7M
D. E. Shaw & Co. 0.22% Reduce -54.1% 2,050,107 $253.7M
TD Asset Management Inc 0.20% Reduce -33.3% 1,988,169 $246.0M
Mackenzie Financial Corp. 0.29% Reduce -42.1% 1,963,420 $243.0M
Bank of Montreal 0.10% Add +0.4% 1,946,483 $240.9M
Ameriprise Financial Inc. 0.06% Add +10.4% 2,008,218 $239.5M
California State Teachers Retirement System 0.24% Add +0.9% 1,928,834 $238.7M
Baron Capital (BAMCO) 0.62% Add +0.0% 1,889,530 $233.8M
James Hambro & Partners LLP 8.01% Reduce -9.2% 1,821,871 $225.5M
1832 Asset Management L.P. 0.38% Reduce -0.7% 1,791,116 $221.7M
HRT Financial LP 0.80% Add +9996.9% 1,762,514 $218.1M
Navera Investment Management Ltd. 4.16% Reduce -17.5% 1,755,366 $217.2M
Stonehage Fleming Financial Services Holdings Ltd 6.13% Reduce -23.6% 1,747,644 $216.3M
Lord, Abbett & Co. LLC 0.64% Reduce -12.0% 1,673,531 $207.1M
Voloridge Investment Management, LLC 0.68% Reduce -39.2% 1,638,523 $202.8M
AustralianSuper Pty Ltd 0.93% Add +102.5% 1,597,318 $197.7M
New York State Common Retirement Fund 0.26% Reduce -0.9% 1,596,470 $197.6M
Qube Research & Technologies Ltd 0.28% Add +595.8% 1,581,557 $195.7M
Maren Capital LLC 10.67% Reduce -8.3% 1,549,407 $191.7M
Glenmede Investment Management, LP 0.91% Reduce -5.9% 1,517,796 $187.8M
Atalan Capital Partners, LP 12.85% Reduce -7.0% 1,488,000 $184.1M
Public Employees Retirement Association of Colorado 0.68% Reduce -19.0% 1,486,604 $184.0M
Cerity Partners LLC 0.30% Add +0.1% 1,483,153 $183.5M

"% 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 1,829 holders