Amphenol Corp. Class AAPH
13F holders, Q4 2025 (December 31)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
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 213 | $1.3B |
| Exits | 79 | $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.