Amphenol Corp. Class AAPH
13F holders, Q3 2025 (September 30)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
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 263 | $1.7B |
| Exits | 84 | $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.